1461101426-c732efe2-f9a8-47e4-aa56-dd522584da20

1. A communication cable comprising:
a cable core comprising a plurality of twisted pairs of conductors; and
a layered tape surrounding said cable core, said layered tape comprising a plurality of gas-filled pockets.
2. The communication cable of claim 1 further comprising a pair separator separating said twisted pairs of conductors in said cable core.
3. The communication cable of claim 1 wherein said gas-filled pockets are filled with dry air.
4. The communication cable of claim 1 further comprising a matrix tape surrounding said layered tape, said matrix tape comprising a plurality of non-continuous conductive traces.
5. The communication cable of claim 4 further comprising a jacket surrounding said matrix tape.
6. The communication cable of claim 1 wherein said layered tape comprises two tape layers joined to one another.
7. The communication cable of claim 1 wherein said gas-filled pockets are provided in a staggered radial pattern.
8. The communication cable of claim 1 wherein said layered tape has a base thickness of approximately 0.002\u2033 and an effective thickness in the range of from approximately 0.11\u2033 to approximately 0.14\u2033.
9. The communication cable of claim 1 wherein said layered tape comprises an embossed layer bonded to a matrix tape layer, said matrix tape layer comprising a plurality of non-continuous conductive traces.
10. A communication cable comprising:
a cable core comprising a plurality of twisted pairs of conductors and a pair separator separating said twisted pairs of conductors;
a layered tape surrounding said cable core, said layered tape comprising a plurality of gas-filled pockets; and
a matrix tape surrounding said layered tape, said matrix tape comprising a plurality of non-continuous conductive traces.
11. The communication cable of claim 10 wherein said layered tape has a base thickness of approximately 0.002\u2033 and an effective thickness in the range of from approximately 0.11\u2033 to approximately 0.14\u2033.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

What is claimed is:

1. A screen printing method for printing, with use of a screen printing apparatus, solder paste on an electrode of a board to be printed, by positioning a screen mask onto the board and by printing the solder paste supplied onto the screen mask into the screen mask with a squeegee of a print head which moves parallel to the screen mask while being kept in contact with the screen mask, wherein
the board is classified into a first area where a value of each of opening sizes of the mask along a direction in which the squeegee moves is smaller than a specified threshold, and a second area where a value of each opening sizes of the mask is not smaller than the threshold, and a speed of the squeegee at the first area is made slower than a speed of the squeegee at the second area.
2. The screen printing method according to claim 1, further comprising steps of:
entering data of the first area and the second area as well as data of the squeegee speeds corresponding to the first area and the second area, into the screen printing apparatus by an operator or from a higher-order computer that controls the screen printing apparatus; and
switching the squeegee speed between the first and second areas based on the entered data of the first area and the second area as well as the data of the squeegee speeds corresponding to the first area and the second area.
3. The screen printing method according to claim 1, further comprising steps of:
entering data of the first area and the second area into the screen printing apparatus by recognizing the opening sizes of the mask by a visual recognition camera, and entering into the screen printing apparatus data of the squeegee speeds corresponding to the first area and the second area by an operator or a higher-order computer that controls the screen printing apparatus; and
switching the squeegee speed between the first and second areas based on the entered data of the first area and the second area by the recognition of the visual recognition camera and the entered data of the squeegee speeds corresponding to the first area and the second area by the operator or the higher-order computer.
4. The screen printing method according to claim 1, wherein when openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is smaller than a specified threshold and openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is not smaller than the specified threshold are mixedly present along a direction intersecting the squeegee’s moving direction, the squeegee is moved at the speed corresponding to the first area by assuming as the first area based on the smaller opening sizes.
5. The screen printing method according to claim 1, wherein when external terminals of components to be mounted to the board are placed on the solder paste formed by the printing, the threshold is a pitch between the external terminals.
6. A screen printing apparatus for printing solder paste on an electrode of a board to be printed, by positioning a screen mask onto the board and by printing the solder paste supplied onto the screen mask into the screen mask with a squeegee of a print head which moves parallel to the screen mask while being kept in contact with the screen mask, the screen printing apparatus comprising:
a controller for executing control process in such a way that the board is classified into a first area where a value of each of opening sizes of the mask along a direction in which the squeegee moves is smaller than a specified threshold, and a second area where a value of each of opening sizes is not smaller than the threshold, and that a speed of the squeegee at the first area is made slower than a speed of the squeegee at the second area.
7. The screen printing apparatus according to claim 6, wherein data of the first area and the second area as well as data of the squeegee speeds corresponding to the first area and the second area are entered into the controller by an operator or a higher-order computer that controls the controller, and wherein the squeegee speed is switched between the first and second areas by the controller based on these entered data.
8. The screen printing apparatus according to claim 6, further comprising a visual recognition camera for recognizing a state of openings of the mask, wherein data of the first area and the second area are entered into the controller by the visual recognition camera recognizing the openings of the mask, and data of the squeegee speeds corresponding to the first area and the second area are entered by an operator or a higher-order computer that controls the controller, and wherein the squeegee speed is switched between the first and second areas by the controller based on these entered data.
9. The screen printing apparatus according to claim 6, wherein when openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is smaller than a specified threshold and openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is not smaller than the specified threshold are mixedly present along a direction intersecting the squeegee’s moving direction, the controller makes the squeegee move at the speed corresponding to the first area by assuming as the first area based on the smaller opening sizes.
10. The screen printing apparatus according to claim 6, wherein when external terminals of components to be mounted to the board are placed on the solder paste formed by the printing, the threshold is a pitch between the external terminals.
11. The screen printing apparatus according to claim 6, further comprising:
a loader for carrying in a board on which the solder paste is to be printed;
a stage for holding the board, which has been carried in by the loader, to perform screen printing on the board; and
an unloader for carrying out the board, on which the solder paste has been printed, from the stage,
the controller comprising:
storage means for storing data for classifying the board into the first area where the value of each of the opening sizes of the mask along the direction in which the squeegee moves is smaller than the specified threshold, and the second area where the value of each of the opening sizes is not smaller than the threshold, data of the squeegee speed at the first area, and data of the squeegee speed at the second area slower than the squeegee speed at the first area; and
program generating means for generating a program by which the squeegee speed of the print head is switched on the way of a printing process based on the data stored in the storage means, and

the print head comprising squeegee-speed on-process switching means for switching the squeegee speed on the way of the printing process based on control of the controller in accordance with the program.
12. A screen printing method for screen printing solder paste at a reference print speed by using a squeegee, the screen printing method comprising:
a step for, upon an occurrence of print standby time during a printing operation, measuring the print standby time; and
a step for, at a resumption of printing with the print standby canceled, screen-printing the solder paste placed on a screen mask during the standby time, by moving the squeegee at an adjusted print speed lower than the reference print speed based on a relationship between the print standby time and a print time due to the adjusted print speed after the resumption of printing.
13. The screen printing method according to claim 12, wherein a time for which the screen printing is executed at the adjusted print speed is set according to a resupply amount of the solder paste.
14. The screen printing method according to claim 12, wherein over a specified time elapse after the screen printing is started at the adjusted print speed, the screen printing is executed at the reference print speed.
15. The screen printing method according to claim 12, wherein upon completion of the screen printing of a specified number of boards after the screen printing is started at the adjusted print speed, the screen printing is executed at the reference print speed.
16. The screen printing method according to claim 12, wherein the adjusted print speed until the print speed is returned to the reference print speed is set into a plurality of steps.
17. A screen printing apparatus for screen printing solder paste at a reference print speed by using a squeegee, the screen printing apparatus comprising:
a controller for, upon an occurrence of print standby time during a printing operation, measuring the print standby time, and for, at a resumption of printing with the print standby canceled, screen-printing the solder paste placed on a screen mask during the standby time, by moving the squeegee at an adjusted print speed lower than the reference print speed based on a relationship between the print standby time and a print time due to the adjusted print speed after the resumption of printing.
18. The screen printing apparatus according to claim 17, wherein, by the controller, a time for which the screen printing is executed at the adjusted print speed is set according to a resupply amount of the solder paste.
19. The screen printing apparatus according to claim 17, wherein, by the controller, over a specified time elapse after the screen printing is started at the adjusted print speed, the screen printing is executed at the reference print speed.
20. The screen printing apparatus according to claim 17, wherein, by the controller, upon completion of the screen printing of a specified number of boards after the screen printing is started at the adjusted print speed, the screen printing is executed at the reference print speed.
21. The screen printing apparatus according to claim 17, wherein, by the controller, the adjusted print speed until the print speed is returned to the reference print speed is set into a plurality of steps.
22. The screen printing method according claim 2, wherein when openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is smaller than a specified threshold and openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is not smaller than the specified threshold are mixedly present along a direction intersecting the squeegee’s moving direction, the squeegee is moved at the speed corresponding to the first area by assuming as the first area based on the smaller opening sizes.
23. The screen printing method according claim 3, wherein when openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is smaller than a specified threshold and openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is not smaller than the specified threshold are mixedly present along a direction intersecting the squeegee’s moving direction, the squeegee is moved at the speed corresponding to the first area by assuming as the first area based on the smaller opening sizes.
24. The screen printing method according to claim 2, wherein when external terminals of components to be mounted to the board are placed on the solder paste formed by the printing, the threshold is a pitch between the external terminals.
25. The screen printing method according to claim 3, wherein when external terminals of components to be mounted to the board are placed on the solder paste formed by the printing, the threshold is a pitch between the external terminals.
26. The screen printing method according to claim 4, wherein when external terminals of components to be mounted to the board are placed on the solder paste formed by the printing, the threshold is a pitch between the external terminals.
27. The screen printing apparatus according to claim 7, wherein when openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is smaller than a specified threshold and openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is not smaller than the specified threshold are mixedly present along a direction intersecting the squeegee’s moving direction, the controller makes the squeegee move at the speed corresponding to the first area by assuming as the first area based on the smaller opening sizes.
28. The screen printing apparatus according to claim 8, wherein when openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is smaller than a specified threshold and openings where a value of each of opening sizes of the mask along the squeegee’s moving direction is not smaller than the specified threshold are mixedly present along a direction intersecting the squeegee’s moving direction, the controller makes the squeegee move at the speed corresponding to the first area by assuming as the first area based on the smaller opening sizes.
29. The screen printing apparatus according to claim 7, wherein when external terminals of components to be mounted to the board are placed on the solder paste formed by the printing, the threshold is a pitch between the external terminals.
30. The screen printing apparatus according to claim 8, wherein when external terminals of components to be mounted to the board are placed on the solder paste formed by the printing, the threshold is a pitch between the external terminals.
31. The screen printing apparatus according to claim 9, wherein when external terminals of components to be mounted to the board are placed on the solder paste formed by the printing, the threshold is a pitch between the external terminals.
32. The screen printing apparatus according to claim 7, further comprising:
a loader for carrying in a board on which the solder paste is to be printed;
a stage for holding the board, which has been carried in by the loader, to perform screen printing on the board; and
an unloader for carrying out the board, on which the solder paste has been printed, from the stage,
the controller comprising:
storage means for storing data for classifying the board into the first area where the value of each of the opening sizes of the mask along the direction in which the squeegee moves is smaller than the specified threshold, and the second area where the value of each of the opening sizes is not smaller than the threshold, data of the squeegee speed at the first area, and data of the squeegee speed at the second area slower than the squeegee speed at the first area; and
program generating means for generating a program by which the squeegee speed of the print head is switched on the way of a printing process based on the data stored in the storage means, and

the print head comprising squeegee-speed on-process switching means for switching the squeegee speed on the way of the printing process based on the control of the controller in accordance with the program.
33. The screen printing apparatus according to claim 8, further comprising:
a loader for carrying in a board on which the solder paste is to be printed;
a stage for holding the board, which has been carried in by the loader, to perform screen printing on the board; and
an unloader for carrying out the board, on which the solder paste has been printed, from the stage,
the controller comprising:
storage means for storing data for classifying the board into the first area where the value of each of the opening sizes of the mask along the direction in which the squeegee moves is smaller than the specified threshold, and the second area where the value of each of the opening sizes is not smaller than the threshold, data of the squeegee speed at the first area, and data of the squeegee speed at the second area slower than the squeegee speed at the first area; and
program generating means for generating a program by which the squeegee speed of the print head is switched on the way of a printing process based on the data stored in the storage means, and

the print head comprising squeegee-speed on-process switching means for switching the squeegee speed on the way of the printing process based on the control of the controller in accordance with the program.
34. The screen printing apparatus according to claim 9, further comprising:
a loader for carrying in a board on which the solder paste is to be printed;
a stage for holding the board, which has been carried in by the loader, to perform screen printing on the board; and
an unloader for carrying out the board, on which the solder paste has been printed, from the stage,
the controller comprising:
storage means for storing data for classifying the board into the first area where the value of each of the opening sizes of the mask along the direction in which the squeegee moves is smaller than the specified threshold, and the second area where the value of each of the opening sizes is not smaller than the threshold, data of the squeegee speed at the first area, and data of the squeegee speed at the second area slower than the squeegee speed at the first area; and
program generating means for generating a program by which the squeegee speed of the print head is switched on the way of a printing process based on the data stored in the storage means, and

the print head comprising squeegee-speed on-process switching means for switching the squeegee speed on the way of the printing process based on the control of the controller in accordance with the program.
35. The screen printing apparatus according to claim 10, further comprising:
a loader for carrying in a board on which the solder paste is to be printed;
a stage for holding the board, which has been carried in by the loader, to perform screen printing on the board; and
an unloader for carrying out the board, on which the solder paste has been printed, from the stage,
the controller comprising:
storage means for storing data for classifying the board into the first area where the value of each of the opening sizes of the mask along the direction in which the squeegee moves is smaller than the specified threshold, and the second area where the value of each of the opening sizes is not smaller than the threshold, data of the squeegee speed at the first area, and data of the squeegee speed at the second area slower than the squeegee speed at the first area; and
program generating means for generating a program by which the squeegee speed of the print head is switched on the way of a printing process based on the data stored in the storage means, and

the print head comprising squeegee-speed on-process switching means for switching the squeegee speed on the way of the printing process based on the control of the controller in accordance with the program.
36. The screen printing method according to claim 13, wherein over a specified time elapse after the screen printing is started at the adjusted print speed, the screen printing is executed at the reference print speed.
37. The screen printing method according to claim 13, wherein upon completion of the screen printing of a specified number of boards after the screen printing is started at the adjusted print speed, the screen printing is executed at the reference print speed.
38. The screen printing method according to claim 13, wherein the adjusted print speed until the print speed is returned to the reference print speed is set into a plurality of steps.
39. The screen printing method according to claim 14, wherein the adjusted print speed until the print speed is returned to the reference print speed is set into a plurality of steps.
40. The screen printing method according to claim 15, wherein the adjusted print speed until the print speed is returned to the reference print speed is set into a plurality of steps.
41. The screen printing apparatus according to claim 18, wherein, by the controller, over a specified time elapse after the screen printing is started at the adjusted print speed, the screen printing is executed at the reference print speed.
42. The screen printing apparatus according to claim 18, wherein, by the controller, upon completion of the screen printing of a specified number of boards after the screen printing is started at the adjusted print speed, the screen printing is executed at the reference print speed.
43. The screen printing apparatus according to claim 18, wherein, by the controller, the adjusted print speed until the print speed is returned to the reference print speed is set into a plurality of steps.
44. The screen printing apparatus according to claim 19, wherein, by the controller, the adjusted print speed until the print speed is returned to the reference print speed is set into a plurality of steps.
45. The screen printing apparatus according to claim 20, wherein, by the controller, the adjusted print speed until the print speed is returned to the reference print speed is set into a plurality of steps.

1461101414-714e52f8-1c09-414b-857d-33c6f53fdc61

1. A liquid drop emitter comprising:
(a) a chamber formed in a substrate and including a nozzle for emitting drops of a liquid;
(b) a thermo-mechanical actuator, extending into the chamber from at least one wall of the chamber, the thermo-mechanical actuator including a movable element comprising a plurality of layers, the movable element residing in a first position proximate to the nozzle;
(c) the movable element including a bending portion which bends when heated, the bending portion including at least one opening through the plurality of layers of the movable element to permit passage of the liquid through the at least one opening; and
(d) apparatus adapted to apply heat pulses to the movable element resulting rapid deflection of the movable element to a second position, ejection of a liquid drop, and passage of liquid through the at least one opening.
2. The liquid drop emitter of claim 1 wherein the liquid drop emitter is a drop-on-demand ink jet printhead and the liquid is an ink for printing image data.
3. The liquid drop emitter claim 1 wherein one of the plurality of layers includes a deflector layer constructed of a deflector material having a high coefficient of thermal expansion and another of the plurality of layers includes a low expansion layer, attached to the deflector layer, constructed of a low expansion material having a low coefficient of thermal expansion.
4. The liquid drop emitter claim 3 wherein the deflector material is electrically resistive and the apparatus adapted to apply a heat pulse includes a resistive heater formed in the deflector layer.
5. The liquid drop emitter claim 4 wherein the deflector material is titanium aluminide.
6. The liquid drop emitter of claim 1 wherein the movable element is an elongated structure having a lengthwise axis and the at least one opening is substantially symmetric about the lengthwise axis.
7. The liquid drop emitter of claim 1 wherein the nozzle has a cross sectional area An for passage of the liquid, the at least one opening having a total cross sectional area Am for passage of the liquid, wherein An<Am<10An.
8. A liquid drop emitter comprising:
(a) a chamber formed in a substrate and including a nozzle for emitting drops of a liquid;
(b) a thermo-mechanical actuator including a cantilevered element extending from an anchor wall of the chamber and a free end residing in a first position proximate to the nozzle, the cantilevered element comprising a plurality of layers;
(c) the cantilevered element including a bending portion which bends when heated, the bending portion including at least one opening through the plurality of layers, located in a center of the bending portion, to permit passage of the liquid through the at least one opening; and
(d) apparatus adapted to apply heat pulses to the thermo-mechanical actuator resulting rapid deflection of the free end to a second position, ejection of a liquid drop, and passage of liquid through the at least one opening.
9. The liquid drop emitter of claim 8 wherein the liquid drop emitter is a drop-on-demand ink jet printhead and the liquid is an ink for printing image data.
10. The liquid drop emitter claim 8 wherein one of the plurality of layers includes a deflector layer constructed of a deflector material having a high coefficient of thermal expansion and another of the plurality of layers includes a low expansion layer, attached to the deflector layer, constructed of a low expansion material having a low coefficient of thermal expansion.
11. The liquid drop emitter claim 10 wherein the deflector material is electrically resistive and the apparatus adapted to apply a heat pulse includes a resistive heater formed in the deflector layer.
12. The liquid drop emitter claim 11 wherein the deflector material is titanium aluminide.
13. The liquid drop emitter of claim 11 wherein the resistive heater is configured to have a first resistor segment and a second resistor segment each extending from the anchor wall and the at least one opening is located between the first and second resistor segments.
14. The liquid drop emitter of claim 13 wherein the at least one opening includes slot portions that define a central stationary portion of the cantilevered element that does not bend when the bending portion is heated.
15. The liquid drop emitter of claim 14 wherein the anchor wall of the chamber has an upper anchor wall portion and the upper anchor wall portion is extended along the central stationary portion of the cantilevered element.
16. The liquid drop emitter of claim 14 wherein the thermal conductivity of the deflector material is substantially greater than the thermal conductivity of the low expansion material and the low expansion material is removed in the central stationary portion of the cantilevered element.
17. The liquid drop emitter of claim 14 wherein the thermal conductivity of the low expansion material is substantially greater than the thermal conductivity of the deflector material and the deflector material is removed in the central stationary portion of the cantilevered element.
18. The liquid drop emitter of claim 14 wherein the substrate further includes a heat sink portion and a third material having high thermal conductivity is laminated to the central stationary portion and brought into good thermal contact with the heat sink portion.
19. The liquid drop emitter of claim 8 wherein the nozzle has a cross sectional area An for passage of the liquid, the at least one opening having a total cross sectional area Am for passage of the liquid, wherein An<Am <10An.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An apparatus, comprising:
a processor chip having multiple power domains that are each to be supplied by a low dropout (LDO) voltage regulator circuit,
wherein each LDO voltage regulator circuit includes:
(i) at least one power gate transistor to provide different supply modes including a switched-on mode, a switched-off mode, and a variable voltage output mode, and
(ii) voltage regulation control circuitry to be enabled during the variable voltage mode and disabled during the switched-on and switched-off modes.
2. The apparatus of claim 1, wherein the voltage regulation control circuitry comprises at least one analog control loop to regulate output voltage from the at least one power gate transistor during the variable voltage mode, the analog control loop to be disabled during the switched-on and switched-off modes.
3. The apparatus of claim 1, further comprising:
selection logic for each LDO voltage regulation circuit to disable the voltage regulator control circuitry for the switched-on and switched-off modes.
4. The apparatus of claim 1, wherein the voltage regulation circuitry for each LDO voltage regulation circuit further comprises: (i) an operational amplifier (op-amp) having a first input terminal configured to receive a reference voltage, a second input terminal coupled with an output terminal of the op-amp to form a feedback loop; (ii) a predriver unit coupled to the output terminal of the op-amp; and (iii) a driver unit, wherein the predriver unit is coupled to the driver unit, which is coupled to the at least one power gate transistor to cause it to produce an output voltage based on the reference voltage during the variable voltage mode.
5. The apparatus of claim 4, wherein the op-amp comprises an operational transconductance amplifier.
6. The apparatus of claim 4, wherein the op-amp is configured to receive the reference voltage from a bandgap reference voltage generator configured to generate the reference voltage based on a voltage identification (VID) signal.
7. The apparatus of claim 4, wherein the predriver unit includes an N-type transistor and wherein the driver unit includes a P-type transistor.
8. The apparatus of claim 4, wherein the predriver unit and the driver unit further comprise one or more biasing resistors.
9. The apparatus of claim 4, further comprising:
a filter coupled in between the predriver and the driver unit.
10. A computing system, comprising:
a processor chip;
an external voltage supply to provide power to the processor chip; and
IO devices coupled to the processor chip to provide a user with access to the computing system, the processor chip having two or more logic blocks with separate power domains, wherein each power domain is powered from an associated at least one power gate unit having a supply input coupled to the external voltage supply, a control input, and a supply output to provide an internal voltage supply to a respective power domain;
wherein each power domain has a low dropout (LDO) control circuit coupled to the control input of its associated at least one power gate unit and selection logic, the LDO control circuit to control the at least one power gate unit to provide a variable voltage output in a variable voltage output mode, the selection logic to disable the LDO control circuit to save power for a switch mode where the at least one power gate transistor is to be either (i) switched on to couple the external voltage supply to the internal voltage supply for an on mode, or (ii) switched off to de-couple the external voltage supply from the internal voltage supply for an off mode.
11. The computing system of claim 10, wherein the LDO control circuit includes a low speed loop circuit and a high speed loop circuit.
12. The computing system of claim 10, wherein the at least one power gate unit comprises a P-type transistor device.
13. The computing system of claim 10, wherein each power domain includes multiple power gate units controlled from a common LDO control circuit.
14. The computing system of claim 10, wherein the selection logic turns onoff power gate units within a power domain sequentially in a daisy-chain manner.