1461125905-c13eb559-77b7-44cb-9df1-d70ae880d3f8

What is claimed is:

1. A printed wiring board, comprising:
an upper wiring substrate having flat surfaces on both sides thereof;
a lower plate body being fixed on the reverse side surface said upper wiring substrate, and being formed with a cavity therein, for receiving an electronic part within an inside thereof;
conductor layers being formed upon the surface of said upper wiring plate, for mounting an electronic part thereon;
conductor layers for mounting an electronic part thereon, being formed on a reverse side surface said upper wiring plate, facing to a region where the cavity is defined by said lower plate body, and being electrically connected with the conductor layers formed on the surface of said upper wiring plate, respectively; and
external electrodes being formed on portions of an outer peripheral surface of said upper wiring plate and said lower plate body formed in one body, and being electrically connected with said conductor layers, respectively, for mounting said printed wiring board on an outside substrate.
2. A printed wiring board, as defined in the claim 1, wherein a through-hole is formed between the surfaces of said upper wiring substrate, interconnecting the conductor layers for mounting an electronic parts on the both sides of said upper wiring substrate, and is filled with resin in an inside thereof.
3. A printed wiring board, as defined in the claim 1, wherein a flat through-hole is formed between the surfaces of said upper wiring plate, interconnecting the conductor layers for mounting an electronic parts on the both sides of said upper wiring substrate, and is filled with resin in an inside thereof.
4. A printed wiring board, as defined in the claim 1, wherein said external electrodes are formed on side-end surfaces of said printed wiring board.
5. A printed wiring board, as defined in the claim 1, wherein said external electrodes are formed on a lower end surface of said printed wiring board.
6. A printed wiring board, as defined in the claim 1, wherein said external electrodes are made up from metal conductors forming bottomed through-holes, each of which is formed on said printed wiring board penetrating through the upper wiring substrate and the lower plate body formed in one body and is closed at a lower end thereof.
7. A printed wiring board, as defined in the claim 1, wherein said lower plate body is formed in either one of a gate-like shape and a frame-like shape in a plane view thereof.
8. A printed wiring board, as defined in the claim 1, wherein said lower plate body has a thickness being a little bit larger than that of the electronic part received within said cavity formed.
9. A printed wiring board, as defined in the claim 1, wherein depth (h) of the cavity of said lower plate body lies within a range from 30% to 90% of a total thickness (t) of said printed wiring board.
10. A printed wiring board, as defined in the claim 1, wherein gaps are hermetically sealed with a molding material including resin, after the electronic part is mounted to be received within the cavity of said lower plate body.
11. A method for manufacturing a printed wiring board, comprising a sequence of the following steps:
(a) forming a through-hole on an upper wiring substrate, on both surfaces of which are lamented conductor foils, and filling up filler within said through-hole formed;
(b) forming predetermined conductor layers for connection of electronic parts thereon on one surface of said upper wiring substrate, which are electrically connected through said through-hole formed;
(c) preparing a lower plate boy, being laminated with conductor foil on at least one surface thereof and formed with a cavity for receiving an electronic part in a part thereof, and bonding said lower plate onto the one surface of said upper wiring substrate with a surface opposing to that being laminated with the conductor foil; and
(d) forming external electrodes for mounting said printed wiring board on an outside substrate, on portions of an outer peripheral surface of said upper substrate and said lower plate body formed in one body, with predetermined conductor layers for connecting electronic parts thereon.
12. A method for manufacturing a printed wiring board, as defined in the claim 11, wherein the through-hole formed in the step of the (a) mentioned above is a flat through-hole, in which conductor layers are formed on both end surfaces of the filler filled within said through-hole.
13. A method for manufacturing a printed wiring board, as defined in the claim 11, wherein said cavity is filled up with resin in advance, when forming the predetermined conductor layers for connecting the electronic parts thereon in said step (d).
14. A method for manufacturing a printed wiring board, as defined in the claim 11, wherein the step for forming said external electrodes in said step (d) includes a step for forming bottomed through-holes, each of which penetrates through said upper wiring substrate and said lower plate body formed in one body and is closed at a lower end thereof.

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. A magnetic disk device that holds a magnetic disk having servo information written thereon, the magnetic disk device comprising:
a magnetic disk holding unit that holds the magnetic disk having written thereon the servo information as a first set of servo information written, using a predetermined first frequency, in a first set of sectors disposed at predetermined intervals in a rotation direction of the magnetic disk and a second set of servo information written, using a predetermined second frequency, in a second set of sectors disposed at the predetermined intervals in the rotation direction of the magnetic disk at different positions from the positions of the first set of sectors; and
a track selecting unit that creates concentric tracks on the magnetic disk held by the magnetic disk holding unit with the magnetic disk rotation center as the center of the concentric tracks and selects a dividing track that acts as a demarcation for switching areas from which the servo information is read.
2. The magnetic disk device according to claim 1, further comprising a servo-information deleting unit that deletes the servo information that is not read from each of the areas divided by the dividing track selected by the track selecting unit.
3. The magnetic disk device according to claim 1, wherein the magnetic disk holding unit holds the magnetic disk having servo information written inwards in an outer circumference area and outwards in an inner circumference area.
4. The magnetic disk device according to claim 1, further comprising a head evaluating unit that evaluates a head that reads the servo information from the magnetic disk, and
wherein the track selecting unit selects the dividing track that acts as a demarcation for the areas from which the servo information will be read based on information obtained after the evaluation by the head evaluating unit.
5. The magnetic disk device according to claim 1, further comprising a servo demodulating unit that has provided therein a plurality of phase synchronizing circuits corresponding to the write frequencies of the servo information written to the magnetic disk.
6. A servo-information writing device that writes servo information onto a magnetic disk incorporated into a magnetic disk device, the servo-information writing device comprising:
a servo information writing unit that writes a first set of servo information, using a predetermined first frequency, in a first set of sectors disposed at predetermined intervals in a rotation direction of the magnetic disk and a second set of servo information, using a predetermined second frequency, in a second set of sectors disposed at the predetermined intervals in the rotation direction of the magnetic disk at different positions from the positions of the first set of sectors, wherein
the servo information writing unit that writes servo information inwards in an outer circumference area of the magnetic disk and outwards in an inner circumference area of the magnetic disk.
7. A magnetic disk having written thereon servo information for controlling the position and speed of a head of a magnetic disk device, the magnetic disk comprising:
a first area where a first set of servo information is written using a predetermined first frequency, the first area being disposed at predetermined intervals in a rotation direction of the magnetic disk; and
a second area where a second set of servo information is written using a predetermined second frequency, the second area being disposed at the predetermined intervals in the rotation direction of the magnetic disk at a different position from the position of the first area, wherein the servo information is written inwards in an outer circumference area of the magnetic disk and outwards in an inner circumference area of the magnetic disk.
8. A magnetic disk having written thereon servo information for controlling the position and speed of a head of a magnetic disk device, the magnetic disk comprising:
a first area where a first set of servo information is written using a predetermined first frequency, the first area being disposed at predetermined intervals in a rotation direction of the magnetic disk; and
a second area where a second set of servo information is written using a predetermined second frequency, the second area being disposed at the predetermined intervals in the rotation direction of the magnetic disk at a different position from the position of the first area, wherein the first area is a first set of fan-shaped sectors that are narrow towards an inner circumference and broad towards an outer circumference of the magnetic disk and located at the predetermined intervals in the magnetic disk rotation direction, and the second area is a second set of fan-shaped sectors that are narrow towards the inner circumference and broad towards the outer circumference of the magnetic disk and located at the predetermined intervals in the rotation direction of the magnetic disk at different positions from positions of the first set of fan-shaped sectors.
9. A magnetic disk having written thereon servo information for controlling the position and speed of a head of a magnetic disk device, the magnetic disk comprising:
a first area where a first set of servo information is written using a predetermined first frequency, the first area being disposed at predetermined intervals in a rotation direction of the magnetic disk; and
a second area where a second set of servo information is written using a predetermined second frequency, the second area being disposed at the predetermined intervals in the rotation direction of the magnetic disk at a different position from the position of the first area, wherein a dividing track that acts as a demarcation for switching areas from which the servo information will be read divides an inner circumference area from an outer circumference area,
the inner circumference area being an area where the servo information is written at an inner-circumference frequency and the outer circumference area is an area where the servo information is written at an outer-circumference frequency.
10. A manufacturing method of a magnetic disk device applied for manufacturing a magnetic disk device configured to hold a magnetic disk having servo information written thereon, the method comprising:
writing the servo information as a first set of servo information written using a predetermined first frequency in a first set of sectors disposed at predetermined intervals in a rotation direction of the magnetic disk and a second set of servo information written using a predetermined second frequency in a second set of sectors disposed at the predetermined intervals in the rotation direction of the magnetic disk at different positions from the positions of the first set of sectors;
holding the magnetic disk having the servo information written thereon at the writing;
creating concentric tracks on the magnetic disk held at the holding with the magnetic disk rotation center as the center of the concentric tracks and selecting a dividing track that acts as a demarcation for areas from which the servo information is read; and
deleting all the servo information that is not read from each of the areas divided by the dividing track selected at the creating step.

1461125895-a34f86ec-a4f0-46d7-b9e1-2ab6a1caa585

1. A complex emulsion comprising:
from about 10 to about 90 vol%, based on total volume, of an oil external phase,
from about 90 to about 10 vol%, based on the total volume, of an internal aqueous acid phase containing a microemulsion, and
from about 0.1 to about 40 vol%, based on total volume, of an emulsifier in the hydrocarbon phase.
2. The complex emulsion of claim 1 where the oil external phase is selected from the group consisting of xylene, diesel, toluene, kerosene, other aromatics, refined hydrocarbons and mixtures thereof.
3. The complex emulsion of claim 1 where the acid in the aqueous acid phase is selected from the group of acids consisting of hydrochloric acid, sulfuric acid, phosphoric acid, hydrofluoric acid, hydrobromic acid, fluoroboric acid, formic acid, acetic acid, glycolic acid, dicarboxylic acid, tricarboxylic acids, aminocarboxylic acids and mixtures thereof.
4. The complex emulsion of claim 1 where the emulsifier is has an HLB of about 12 or below.
5. The complex emulsion of claim 1 where the emulsifier is selected from the group consisting of polysorbates, fatty acid amine carboxylates, stearyl alcohol, lecithin, fatty acids, ethoxylated fatty acids, propoxylated fatty acids, fatty acid salts, tall oils, castor oils, triglycerides, glucosides, and mixtures thereof.
6. A complex emulsion comprising:
from about 10 to about 90 vol%, based on total volume, of an oil external phase selected from the group consisting of xylene, diesel, toluene, kerosene, other aromatics, refined hydrocarbons and mixtures there of,
from about 90 to about 10 vol%, based on the total volume, of an internal aqueous acid phase containing a microemulsion internal to the aqueous acid phase, where the acid is selected from the group of acids consisting of hydrochloric acid, sulfuric acid, phosphoric acid, hydrofluoric acid, hydrobromic acid, fluoroboric acid, formic acid, acetic acid, glycolic acid, dicarboxylic acid, tricarboxylic acids, aminocarboxylic acids and mixtures thereof, and
from about 0.1 to about 40 vol%, based on total volume, an emulsifier in the hydrocarbon phase, where the emulsifier is selected from the group consisting of polysorbates, carboxylate amines, fatty acids, ethoxylated fatty acids, propoxylated fatty acids, fatty acid salts, tall oils, castor oils, triglycerides, glucosides and mixtures thereof.
7. A method for making a complex emulsion comprising:
mixing an acid aqueous phase with an oil external microemulsion to give an initial product, where the acid aqueous phase is an external phase and the microemulsion is an internal phase; and
mixing the initial product with a second oil containing an emulsifier to make the complex emulsion.
8. The method of claim 7 where the complex emulsion comprises:
from about 10 to about 90 vol%, based on total volume, of an oil external phase, the oil external phase originating from the second oil,
from about90 to about 10 vol%, based on the total volume, of an aqueous acid phase containing a microemulsion, and
from about 0.1 to about 40 vol%, based on total volume, of an emulsifier in the hydrocarbon phase.
9. The method of claim 8 where the oil from the oil external microemulsion and the second oil are selected from the group consisting of the same oils and different oils.
10. The method of claim 7 where the oil in the oil external microemulsion and the second oil are selected from the group consisting of xylene, diesel, toluene, kerosene, other aromatics, refined hydrocarbons and mixtures thereof.
11. The method of claim 7 where the acid is selected from the group of acids consisting of hydrochloric acid, sulfuric acid, phosphoric acid, hydrofluoric acid, hydrobromic acid, fluoroboric acid, formic acid, acetic acid, glycolic acid, dicarboxylic acid, tricarboxylic acids, aminocarboxylic acids and mixtures thereof.
12. The method of claim 7 where the emulsifier is has an HLB of about 12 or below.
13. The method of claim 7 where the emulsifier is selected from the group consisting of polysorbates, fatty acid amine carboxylates, stearyl alcohol, lecithin, fatty acids, ethoxylated fatty acids, propoxylated fatty acids, fatty acid salts, tall oils, castor oils, triglycerides, glucosides and mixtures thereof.
14. A complex emulsion made by the method of claim 7.
15. A method of treating a subterranean formation comprising:
injecting a complex emulsion into a subterranean formation, where the complex emulsion has been made by a method for making a complex emulsion comprising:
mixing an acid aqueous phase with an oil external microemulsion to give an initial product, where the acid aqueous phase is an external phase and the microemulsion is an internal phase; and
mixing the initial product with a second oil containing an emulsifier to make the complex emulsion;

and wherein the complex emulsion comprises: from about 10 to about 90 vol%, based on total volume, of an oil external phase, the oil external phase originating from the second oil, from about 90 to about 10 vol%, based on the total volume, of an internal aqueous acid phase containing a microemulsion, and from about 0.1 to about 40 vol%, based on total volume, of an emulsifier in the hydrocarbon phase;
dissolving at least a portion of the formation with the acid.
16. The method of claim 15 where in the complex emulsion, the oil from the oil external microemulsion and the second oil are selected from the group consisting of the same oils and different oils.
17. The method of claim 15 where in the complex emulsion, the oil in the oil external microemulsion and the second oil are selected from the group consisting of xylene, diesel, toluene, kerosene, other aromatics, refined hydrocarbons and mixtures thereof.
18. The method of claim 15 where the acid is selected from the group of acids consisting of hydrochloric acid, sulfuric acid, phosphoric acid, hydrofluoric acid, hydrobromic acid, fluoroboric acid, formic acid, acetic acid, glycolic acid, dicarboxylic acid, tricarboxylic acids, aminocarboxylic acids and mixtures thereof.
19. The method of claim 15 where the emulsifier is has an HLB of about 12 or below.
20. The method of claim 15 where the emulsifier is selected from the group consisting of polysorbates, fatty acid amine carboxylates, stearyl alcohol, lecithin, fatty acids, ethoxylated fatty acids, propoxylated fatty acids, fatty acid salts, tall oils, castor oils, triglycerides, glucosides and mixtures thereof.
21. The method of claim 15 further comprising removing at least a portion of the complex emulsion from the subterranean formation where the amount of complex emulsion removed is greater than would be removed using an identical complex emulsion except that the acid was not included in an oil external microemulsion.

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

1-12. (canceled)
13. A measuring device, comprising:
at least one measurement transmitter; and
a measuring tube, which has at least one T-joint, which is connected with said at least one measurement transmitter, said at least one measurement transmitter processing at least one measured value of at least one process variable, wherein:
said measuring tube together with said T-joint is monolithic; and
said T-joint is produced from said measuring tube at least partially by a plastic deformation method.
14. The measuring device as claimed in claim 13, wherein:
said measuring tube has a circularly round cross section.
15. The measuring device as claimed in claim 13, wherein:
said measuring tube comprises metal or a metal alloy.
16. The measuring device as claimed in claim 13, wherein:
said T-joint has an approximately planar end.
17. The measuring device as claimed in claim 13, wherein:
said T-joint has a circularly round cross section at an end of said T-joint.
18. The measuring device as claimed in claim 13, wherein:
said T-joint has an approximately constant wall thickness at the end said T-joint.
19. The measuring device as claimed in claim 13, further comprising:
a measuring transducer for registering at least one measured value of at least one process variable.
20. The measuring device as claimed in claim 19, wherein:
said measuring transducer is a temperature sensor.
21. The measuring device as claimed in claim 19, wherein:
said measuring transducer is connected with said T-joint.
22. The measuring device as claimed in claim 19, wherein:
said measuring transducer at least partially protrudes into said T-joint and is contactable by a measured medium in said measuring tube.
23. The measuring device as claimed in claim 19, wherein:
said measurement transmitter andor said measuring transducer tightly seals an opening in said measuring tube formed by said T-joint.
24. The measuring device as claimed in claim 19, wherein:
the measuring device has at least two other, equally constructed T-joints, at which, in each case, an ultrasonic transducer is arranged; and
said two ultrasonic transducers are of equal construction.