Author: claimsbot

What is claimed is:

1. A vehicular inflatable restraint system inflator device comprising:
a housing, the housing having a disk form and defining a first chamber, the first chamber in a static state containing a quantity of a first gas generant material ignitable to produce first combustion products including a first inflation gas, the housing having at least a first and a second row of spaced apart gas exit ports adapted to permit passage of the first inflation gas from the inflator device into an associated inflatable airbag cushion;
the first chamber containing at least one inflation gas-permeable treatment element disposed between the quantity of the first gas generant material and the at least two rows of spaced apart gas exit ports, wherein passage of gas through the treatment element results in treatment thereof;
the first chamber also containing a second chamber; the second chamber in a static state having an enclosed volume containing a quantity of a second gas generant material ignitable to produce second combustion products; the second chamber having a lid closure adapted to permit fluid communication of the second combustion products with the contents of the first chamber;
a first initiator device operatively associated with the first chamber; and
a second initiator device operatively associated with the second chamber;
the inflator device discharging sufficient inflation gas to inflate a passenger inflatable airbag cushion.
2. The vehicular inflatable restraint system inflator device of claim 1 additionally comprising a barrier closing the gas exit ports to mass flow in a static state.
3. The vehicular inflatable restraint system inflator device of claim 1 wherein the device has a gas output of at least 2 moles of inflation gas.
4. The vehicular inflatable restraint system inflator device of claim 3 wherein the device has a gas output in a range of about 3-4.5 moles of inflation gas.
5. The vehicular inflatable restraint system inflator device of claim 1 wherein the housing has a length to diameter ratio of at least about 0.6.
6. The vehicular inflatable restraint system inflator device of claim 5 wherein the housing has a length to diameter ratio of no more than about 1.0.
7. The vehicular inflatable restraint system inflator device of claim 6 wherein the housing has a length to diameter ratio in a range of at least about 0.7 and no more than about 0.8.
8. The vehicular inflatable restraint system inflator device of claim 1 wherein each of the first and second rows of spaced apart gas exit ports comprises a plurality of holes with the holes of the first row offset relative to the holes of the second row.
9. The vehicular inflatable restraint system inflator device of claim 8 wherein the holes of at least the first row includes a plurality of holes of a first diameter and a plurality of holes of a second diameter and wherein the ratio of the first diameter to the second diameter is in a range of about 1.2 to about 1.6.
10. The vehicular inflatable restraint system inflator device of claim 9 wherein the first row includes at least first and second adjacent holes wherein the first adjacent hole is of the first diameter and the second adjacent hole is of the second diameter.
11. The vehicular inflatable restraint system inflator device of claim 1 wherein the holes of each of the first and second rows includes a plurality of holes of a first diameter and a plurality of holes of a second diameter and wherein the ratio of the first diameter to the second diameter is in a range of about 1.2 to about 1.6.
12. The vehicular inflatable restraint system inflator device of claim 11 wherein each of the first and second rows of gas exit ports includes alternating holes of the first and the second diameters.
13. The vehicular inflatable restraint system inflator device of claim 12 wherein:
the device has a gas output of at least 2 moles of inflation gas;
the housing has a length to diameter ratio of at least about 0.6 and
the holes of the first row are offset relative to the holes of the second row.
14. The vehicular inflatable restraint system inflator device of claim 1 wherein the at least one inflation gas-permeable treatment element is spaced apart from the at least two rows of spaced apart gas exit ports by a plenum.
15. The vehicular inflatable restraint system inflator device of claim 1 wherein at least one of the first and the second gas generant materials is a pyrotechnic material.
16. The vehicular inflatable restraint system inflator device of claim 1 wherein the first gas generant material and the second gas generant material is each a pyrotechnic material.
17. The vehicular inflatable restraint system inflator device of claim 1 wherein the first and second gas generant materials differ in at least one aspect selected from the group consisting of: composition, shape, form and size.
18. A passenger side vehicular inflatable restraint system inflator device comprising:
a housing, the housing having a disk form and defining a first chamber having a cylindrical outer wall, the first chamber in a static state containing a quantity of a first gas generant material ignitable to produce first combustion products including a first inflation gas, the housing including a plurality of rows of spaced apart gas exit ports in the cylindrical outer wall, the gas exit ports adapted to permit passage of the first inflation gas from the inflator device into an associated inflatable airbag cushion;
the first chamber containing at least one inflation gas-permeable treatment element disposed between the quantity of the first gas generant material and the spaced apart gas exit ports, wherein passage of gas through the treatment element results in treatment thereof;
the first chamber also containing a second chamber, the second chamber in a static state having an enclosed volume containing a quantity of a second gas generant material ignitable to produce second combustion products, the second chamber having a lid closure adapted to permit fluid communication of the second combustion products with the contents of the first chamber;
a first igniter assembly operatively associated with the first chamber, the first igniter assembly comprising a first initiator device and a supply of igniter material housed in a first igniter assembly housing, wherein actuation of the first initiator produces a discharge in reaction initiating communication with at least a portion of the supply of the igniter material housed within the first igniter assembly housing and wherein the first igniter assembly housing includes a plurality of openings to permit passage of igniter material reaction products therethrough and into reaction initiating communication with at least a portion of the quantity of the first gas generant material contained in the first chamber; and
a second initiator device operatively associated with the second chamber;
the inflator device discharging sufficient inflation gas to inflate a passenger inflatable airbag cushion, wherein the inflator device discharges at least 2 moles of inflation gas.
19. The passenger side vehicular inflatable restraint system inflator device of claim 18 wherein the first igniter assembly housing is sized to correspond the supply of igniter material housed therewithin.
20. The passenger side vehicular inflatable restraint system inflator device of claim 18 wherein the first igniter assembly additionally comprises an insert element joined to the igniter assembly housing, the insert element maintaining discharge reaction initiating communication between the first initiator device and the at least a portion of the supply of the igniter material housed within the first igniter assembly housing.
21. The passenger side vehicular inflatable restraint system inflator device of claim 18 including at least first and second rows of spaced apart gas exit ports in the cylindrical outer wall, wherein spaced apart gas exit ports of the first row are offset relative to the spaced apart gas exit ports of the second row.
22. The passenger side vehicular inflatable restraint system inflator device of claim 18 having a gas output in a range of about 3-4.5 moles of inflation gas.
23. The passenger side vehicular inflatable restraint system inflator device of claim 18 wherein the housing has a length to diameter ratio of at least about 0.6.
24. The passenger side vehicular inflatable restraint system inflator device of claim 23 wherein the housing has a length to diameter ratio of no more than about 1.0.
25. The passenger side vehicular inflatable restraint system inflator device of claim 24 wherein the housing has a length to diameter ratio in a range of at least about 0.7 and no more than about 0.8.
26. The passenger side vehicular inflatable restraint system inflator device of claim 18 wherein each of the first and second rows of spaced apart gas exit ports comprises a plurality of holes with the holes of the first row offset relative to the holes of the second row.
27. The passenger side vehicular inflatable restraint system inflator device of claim 26 wherein the holes of at least the first row includes a plurality of holes of a first diameter and a plurality of holes of a second diameter and wherein the ratio of the first diameter to the second diameter is in a range of about 1.2 to about 1.6.

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 head support mechanism including a slider on which a head element is mounted is arranged at a tip end part of a load beam, the head support mechanism comprising:
a support projection arranged at the tip end part of the load beam;
a gimbal part including the slider and arranged to support the slider in a revolvable manner around the support projection;
a displacement member arranged to revolve the slider around the support projection; and
a counter balance aligned along a symmetric axis of the gimbal part so as to align a centroid of the gimbal part including the slider with the support projection, wherein
a centroid adjustment mechanism is arranged on the counter balance in order to adjust the centroid of the gimbal part, and
the centroid adjustment mechanism includes a plurality of centroid adjustment pads that are independently arranged with respect to each other to apply a material having a large relative density onto the counter balance.
2. The head support mechanism according to claim 1, wherein
the counter balance is a portion of the gimbal part.
3. The head support mechanism according to claim 1, wherein
the material having the large relative density is solder.
4. The head support mechanism according to claim 1, wherein
the displacement member includes a piezoelectric element arranged at an insulation layer of a flexure, and
the displacement member allows the slider to revolve around the support projection by pushing or pulling a wire via a reinforcement part formed of a stainless substrate in accordance with displacements of the piezoelectric element.
5. The head support mechanism according to claim 1, wherein
a limiter mechanism, which is arranged to lift the slider upward from a disk when the slider unloads, is a portion of the counter balance.

1. A memory cell comprising:
a first conductive layer operable as an electrode;
a second conductive layer operable as an electrode;
a semiconductor layer between the first conductive layer and the second conductive layer; and
a defect access layer between the first conductive layer and the semiconductor layer;
wherein a work function of the first conductive layer is higher than a work function of the second conductive layer; and
wherein the defect access layer increases an effective work function of the first conductive layer.
2. The memory cell of claim 1, wherein the first conductive layer comprises a non-noble material.
3. The memory cell of claim 1, wherein the first conductive layer comprises titanium nitride, silicon, or a silicide.
4. The memory cell of claim 1, wherein the defect access layer is less than about 50 \u212b thick.
5. The memory cell of claim 1, wherein the defect access layer is less than about 20 \u212b thick.
6. The memory cell of claim 1, wherein the defect access layer is less than about 25% as thick as the semiconductor layer.
7. The memory cell of claim 1, wherein the defect access layer comprises aluminum oxide.
8. The memory cell of claim 1, wherein the defect access layer contacts the semiconductor layer and the first conductive layer; and wherein the defect access layer promotes adhesion between the semiconductor layer and the first conductive layer.
9. The memory cell of claim 1, wherein the semiconductor layer comprises a transition metal oxide having a bandgap of at least about 4 eV.
10. The memory cell of claim 1, wherein the semiconductor layer comprises at least one of hafnium oxide, aluminum oxide, tantalum oxide, or zirconium oxide.
11. The memory cell of claim 1, wherein the semiconductor layer comprises a first sub-layer and a second sub-layer; and wherein the first sub-layer and the second sub-layer have different compositions.
12. The memory cell of claim 11, wherein the first sub-layer comprises hafnium oxide; and wherein the second sub-layer comprises yttrium oxide.
13. The memory cell of claim 11, wherein the semiconductor layer further comprises a third sub-layer between the first sub-layer and the second sub-layer;
wherein the first sub-layer and the third sub-layer comprise titanium oxide; and
wherein the second sub-layer comprises hafnium oxide.
14. The memory cell of claim 1, wherein the semiconductor layer is doped with at least one of silicon, nitrogen, fluorine, chromium, lanthanum, cerium, praseodymium, neodymium, gadolinium, erbium, ytterbium, or lutetium.
15. The memory cell of claim 1, further comprising a current steering element connected in series with the semiconductor layer.
16. The memory cell of claim 15, wherein the current steering element is one of a diode, a p-i-n diode, a silicon diode, a silicon p-i-n diode, or a transistor.
17. The memory cell of claim 1, further comprising a barrier layer between the second conductive layer and the semiconductor layer; wherein the barrier layer chemically isolates the second conductive layer from the semiconductor layer.
18. The memory cell of claim 17, wherein the barrier layer comprises titanium oxide.
19. The memory cell of claim 18, wherein the second conductive layer comprises titanium nitride and the semiconductor layer comprises hafnium oxide.
20. The memory cell of claim 17, wherein the barrier layer is between about 50 \u212b and about 75 \u212b thick.

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 pre-emphasis circuit which transmits a pre-emphasis output current to an output node of an output driver in response to first to fourth pre-emphasis control signals generated by a logical operation on differential input signals, the pre-emphasis circuit comprising:
a first pre-emphasis circuit driven in a range between a first voltage and a second voltage and configured to generate a first pre-emphasis output current in response to the first and second pre-emphasis control signals and output the generated first pre-emphasis output current to a first output node of the output driver; and
a second pre-emphasis circuit driven in the range between the first voltage and the second voltage and configured to generate a second pre-emphasis output current in response to the third and fourth pre-emphasis control signals and output the generated second pre-emphasis output current to a second output node of the output driver.
2. The pre-emphasis circuit of claim 1, wherein the first pre-emphasis circuit comprises:
a first switch having a first terminal coupled to the first voltage, a second terminal coupled to the first output node, and a control terminal configured to receive the first pre-emphasis control signal; and
a second switch having a first terminal coupled to the first output node, a second terminal coupled to the second voltage, and a control terminal configured to receive the second pre-emphasis control signal, and
the second pre-emphasis circuit comprises:
a third switch having a first terminal coupled to the first voltage, a second terminal coupled to the second output node, and a control terminal configured to receive the third pre-emphasis control signal; and
a fourth switch having a first terminal coupled to the second output node, a second terminal coupled to the second voltage, and a control terminal configured to receive the fourth pre-emphasis control signal.
3. The pre-emphasis circuit of claim 2, wherein when the first and fourth switches are turned on in response to the first to fourth pre-emphasis control signals, the second and third switches are turned off, and when the first and fourth switches are turned off, the second and third switches are turned on.
4. The pre-emphasis circuit of claim 2, further comprising:
a first current source formed between the first terminal of the first switch and the first voltage;
a second current source formed between the second terminal of the second switch and the second voltage;
a third current source formed between the first terminal of the third switch and the first voltage; and
a fourth current source formed between the second terminal of the fourth switch and the second voltage.
5. A differential current signaling system comprising:
a pre-emphasis control signal generation unit configured to receive differential input signals and generate delayed differential input signals and pre-emphasis control signals;
an output driver configured to generate output signals in response to the delayed differential input signals and output the generated output signals to output nodes; and
a pre-emphasis circuit configured to generate a pre-emphasis output current in response to the pre-emphasis control signals and output the generated pre-emphasis output current to the output nodes.
6. The differential current signaling system of claim 5, wherein the pre-emphasis control signal generation unit comprises:
a delay circuit configured to delay the differential input signals and generate the delayed differential input signals; and
a control signal generation circuit configured to perform a logical operation on the differential input signals and generate the pre-emphasis control signals.
7. The differential current signaling system of claim 6, wherein the control signal generation circuit comprises:
a first logic circuit comprising a fifth buffer having a first terminal coupled to a second differential input signal and a first NAND gate having a first input terminal configured to receive a first differential input signal and a second input terminal configured to receive an output signal of the fifth buffer and configured to perform a NAND operation on the received signals and output a first differential edge signal;
a second logic circuit comprising a sixth buffer having a first terminal coupled to the first differential input signal and a second NAND gate having a first input terminal configured to receive an output signal of the sixth buffer and a second input terminal configured to receive the second differential input signal and configured to perform a NAND operation on the received signals and output a second differential edge signal;
a third buffer configured to receive the first differential edge signal and delay the received first differential edge signal to output as a first pre-emphasis control signal;
a first inverter configured to receive the first differential edge signal and invert the received first differential edge signal to output as a fourth pre-emphasis control signal;
a fourth buffer configured to receive the second differential edge signal and delay the received second differential edge signal to output as the third pre-emphasis control signal; and
a second inverter configured to receive the second differential edge signal and invert the received second differential edge signal to output as the second pre-emphasis control signal.
8. The differential current signaling system of claim 5, wherein the pre-emphasis circuit comprises:
a first pre-emphasis circuit comprising a first switch having a first terminal coupled to a first voltage, a second terminal coupled to a first output node of the output driver, and a control terminal configured to receive the first pre-emphasis control signal and a second switch having a first terminal coupled to the first output node, a second terminal coupled to a second voltage, and a control terminal configured to receive the second pre-emphasis control signal; and
the second pre-emphasis circuit comprising a third switch having a first terminal coupled to the first voltage, a second terminal coupled to a second output node of the output driver, and a control terminal configured to receive the third pre-emphasis control signal and a fourth switch having a first terminal coupled to the second output node, a second terminal coupled to the second voltage, and a control terminal configured to receive the fourth pre-emphasis control signal.
9. A differential current signaling system comprising:
a pre-emphasis control signal generation unit configured to receive differential input signals and differential control signals and generate delayed differential input signals and pre-emphasis control signals;
an output driver configured to generate output signals in response to the delayed differential input signals and output the generated output signals to an output node;
a pre-emphasis circuit configured to generate a pre-emphasis output current in response to the pre-emphasis control signals and output the generated pre-emphasis output current to the output node;
a dummy unit configured to generate and output a reference voltage which is a high voltage; and
a comparison unit configured to compare the output signals with the reference voltage, generate the differential control signals, and provide the generated differential control signals to the pre-emphasis control signal generation unit.
10. The differential current signaling system of claim 9, wherein the pre-emphasis control signal generation unit comprises a control signal generation circuit configured to perform a logical operation on the differential input signals to generate the pre-emphasis control signals, and receive the differential control signals to change a pulse width of the pre-emphasis control signals.
11. The differential current signaling system of claim 10, wherein the control signal generation circuit comprises:
a first pull-up switch configured to receive a first differential control signal through a control terminal thereof and pull-up drive a first pre-emphasis control signal;
a first pull-down switch configured to receive the inverted first differential control signal through a control terminal thereof and pull-down drive a second pre-emphasis control signal;
a second pull-up switch configured to receive a second differential control signal through a control terminal thereof and pull-up drive a third pre-emphasis control signal; and
a second pull-down switch configured to receive the inverted second differential control signal through a control terminal thereof and pull-down drive a fourth pre-emphasis control signal.
12. The differential current signaling system of claim 9, wherein the comparison unit comprises:
a first comparator configured to compare a first output signal with the reference voltage and output a first differential control signal; and
a second comparator configured to compare a second output signal with the reference voltage and output a second differential control signal.