1461130857-5d4d9411-785e-4fcc-bac9-d18c9aafd7d6

1. A semiconductor device, comprising:
a semiconductor body including a surface and an opposing surface, said semiconductor body comprising a first power electrode on said surface of said semiconductor body, and a second power electrode on said opposing surface of said semiconductor body;
a first barrier layer over a surface of said first power electrode;
a second barrier layer over a surface of said second power electrode;
a first metallic body having a resistivity less than the resistivity of said first electrode formed over said first barrier layer, wherein said first barrier prevents the contamination of said first electrode by said first metallic body; and
a second metallic body having a resistivity less than the resistivity of said second electrode formed over said second barrier layer, wherein said second barrier prevents the contamination of said second electrode by said second metallic body;
wherein said first metallic body has an increased thickness providing a substantially reduced resistivity and said first barrier layer is substantially thinner than said first metallic body;
wherein said first metallic body and said second metallic body are configured for flip-chip-type mounting and said first barrier layer and said second barrier layer comprise the same material.
2. The device of claim 1, wherein said first and second electrodes are comprised of one of aluminum, AlSi, and AlSiCu.
3. The device of claim 1, wherein said barrier layers are comprised of titanium.
4. The device of claim 1, wherein said first and said second metallic bodies are comprised of copper.
5. The device of claim 4, further comprising a nickel layer over at least one of said metallic bodies to balance the stress on said semiconductor device.
6. The device of claim 1, further comprising a metallic stress balancing body disposed on at least one of said metallic bodies.
7. The device of claim 6, wherein said metallic stress balancing body is comprised of nickel.
8. The device of claim 1, wherein said semiconductor device includes a semiconductor body that is 100 microns or less thick.
9. The device of claim 1, wherein said semiconductor device is a power MOSFET, and said first and said second electrodes are the source electrode and the drain electrode.
10. The device of claim 1, wherein said semiconductor device further comprises a control electrode, a third barrier layer over a surface of said control electrode, and a third metallic body having a resistivity less than the resistivity of said control electrode formed over said third barrier layer.
11. The device of claim 1, further comprising a solderable body over said first metallic body and a solderable body over said second metallic body.
12. The device of claim 11, wherein said solderable body is comprised of a nickel layer over said copper body and a lead tin layer over said nickel layer.
13. The device of claim 11, wherein each solderable body is comprised of either NiAg or NiAu.
14. A semiconductor device, comprising:
a semiconductor body including a surface and an opposing surface, said semiconductor body comprising a first power electrode on said surface of said semiconductor body, and a second power electrode on said opposing surface of said semiconductor body;
a first barrier layer over a surface of said first power electrode;
a second barrier layer over a surface of said second power electrode;
a first metallic body having a resistivity less than the resistivity of said first electrode formed over said first barrier layer, wherein said first barrier layer prevents the diffusion of metal from said first metallic body into said first power electrode;
wherein said first metallic body has an increased thickness providing a substantially reduced resistivity and said first barrier layer is substantially thinner than said first metallic body;
wherein said first metallic body is configured for flip-chip-type mounting and said first barrier layer and said second barrier layer comprise the same material.
15. The device of claim 14, further comprising a metallic stress balancing body comprised of nickel disposed on said first metallic body.
16. The device of claim 15, wherein said first metallic body comprises copper.
17. The device of claim 16, wherein said barrier layers are comprised of titanium.

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 flash memory device comprising:
a local bit line connected to a bit line on a semiconductor substrate having a first conductive type;
a local source line connected to a common source line intersecting the bit line; and
a plurality of memory cells connected in parallel to the local bit line and the local source line,
wherein the local bit line and the local source line are vertically spaced apart from each other in the semiconductor substrate to define respective vertical channels and comprise a first doped layer and a second doped layer, respectively, the first and second doping layers having a second conductive type.
2. The device of claim 1, further comprising:
a first select transistor connecting the bit line with the local bit line;
a second select transistor connecting the common source line with the local source line;
a drain select line and a source select line connected to the first select transistor and the second select transistor, respectively, and arranged to intersect the bit line; and
a plurality of word lines connected to the memory cells to intersect the bit line, between the drain select line and the source select line.
3. The device of claim 2, further comprising a semiconductor pin protruding from the semiconductor substrate to extend in one direction and having the top surface and the side surface,
wherein the doped layers of the local bit line and the local source line extend along the direction in an upper portion or a lower portion of the semiconductor pin,
wherein the word lines, the drain select line, and the source select line extend over the top surface and the side surface of the semiconductor pin to intersect the direction.
4. The device of claim 3, further comprising a tunnel insulating layer, a charge storage layer, and a blocking insulating layer between the word lines and the semiconductor pin.
5. The device of claim 3, further comprising an isolation insulating layer provided between the lower portion of the semiconductor pin and lower portions of other semiconductor pins adjacent to the semiconductor pin to extend along the direction,
wherein the word lines, the drain select line, and the source select line extend over the isolation insulating layer.
6. The device of claim 3, wherein the first doped layer is provided in the upper portion of the semiconductor pin, and the second doped layer is provided in the lower portion of the semiconductor pin;
the device further comprising a third doped layer and a fourth doped layer spaced apart from each other at both sides of the first doped layer in the upper portion of the semiconductor pin, the third and fourth doped layers having a second conductive type,
wherein the word lines overlap the first doped layer and the second doped layer, the source select line overlaps the second doped layer and the third doped layer, and the drain select line is provided between the first doped layer and the fourth doped layer.
7. The device of claim 6, further comprising a body isolation line extending over the top surface and the side surface of the semiconductor pin to intersect the direction and overlapping the first doped layer and the second doped layer to deplete a body region between the first doped layer and the second doped layer, between the drain select line and the word line that is the most adjacent to the drain select line.
8. The device of claim 3, wherein the first doped layer is provided in the upper portion of the semiconductor pin, and the second doped layer is provided in the lower portion of the semiconductor pin;
the device further comprising a third doped layer spaced apart from the first doped layer and having a second conductive type in the upper portion of the semiconductor pin, and a fourth doped layer spaced apart from the second doped layer and having a second conductive type in the lower portion of the semiconductor pin,
wherein the word lines overlap the first doped layer and the second doped layer, the source select line overlaps the second doped layer and the third doped layer, and the drain select line overlaps the first doped layer and the fourth doped layer.
9. The device of claim 3, wherein the first doped layer is provided in the upper portion of the semiconductor pin, and the second doped layer is provided in the lower portion of the semiconductor pin
the device further comprising a fourth doped layer spaced apart from the first doped layer and having a second conductive type in the upper portion, and a third doped layer spaced apart from the second doped layer and having a second conductive type in the lower portion of the semiconductor pin,
wherein the word lines overlap the first doped layer and the second doped layer, the source select line is provided between the second doped layer and the third doped layer, and the drain select line is provided between the first doped layer and the fourth doped layer.
10. The device of claim 3, wherein the first doped layer is provided in the upper portion of the semiconductor pin, and the second doped layer is provided in the lower portion of the semiconductor pin; and
the semiconductor substrate includes a buried insulating layer, the buried insulating layer being provided in the lower portion of the semiconductor pin to electrically insulate the semiconductor pin from other semiconductor pins adjacent to the semiconductor pin, and contacting a bottom surface of the second doped layer.
11. The device of claim 10, further comprising:
a third doped layer and a fourth doped layer spaced apart in the both sides of the first doped layer in the upper portion of the semiconductor pin; and
a fifth doped layer spaced apart from the second doped layer and contacting the top surface of the buried insulting layer in the lower portion of the semiconductor pin,
wherein the word lines overlap the first doped layer and the second doped layer, the source select line overlaps the second doped layer and the third doped layer, and the drain select line is provided between the first doped layer and the fourth doped layer and overlaps the fifth doped layer.
12. The device of claim 3, wherein the first doped layer is provided in the lower portion of the semiconductor pin, and the second doped layer is provided in the upper portion of the semiconductor pin;
the device further comprising a fourth doped layer spaced apart from the second doped layer and having a second conductive type in the upper portion of the semiconductor pin, and a fifth doped layer extending from the third doped layer toward the top surface of the semiconductor pin and having a second conductive type;
wherein the word lines overlap the first doped layer and the second doped layer, the source select line overlaps the second doped layer and the third doped layer, and the drain select line overlaps the first doped layer and the fourth doped layer.
13. The device of claim 12, further comprising:
a body isolation line extending over the top surface and the side surface of the semiconductor pin to intersect the direction and overlapping the first doped layer and the second doped layer to deplete a body region between the first doped layer and the second doped layer, between the source select line and the word line that is the most adjacent to the source select line.
14. The device of claim 3, wherein the width of the semiconductor pin ranges from about 40 nm to about 60 nm.
15. A flash memory device comprising:
a semiconductor pin protruding from a semiconductor substrate of a first conductive type to extending in a direction and including a top surface and a side surface;
a first doped layer and a second doped layer provided in an upper portion and a lower portion of the semiconductor pin, respectively, to be vertically spaced apart from each other, the first and second doped layers having a second conductive type; and
a plurality of word lines extending over the top surface and the side surface of the semiconductor pin to intersect the direction and interposing a tunnel insulating layer, a charge storage layer, and a blocking insulating layer between the semiconductor pin and the plurality of word lines,
wherein the word lines overlap the first doped layer and the second doped layer to have vertical channels.
16. The device of claim 15, further comprising:
a source select line and a drain select line extending to intersect the direction at the both sides of the word lines;
a common source line connected to the semiconductor pin at one side of the source select line opposite to the word lines; and
a bit line connected to the semiconductor pin at the other side of the drain select line opposite to the word lines,
wherein the first doped layer and the second doped layer are a local bit line or a local source line, respectively, the local bit line connecting in parallel memory cells connected to the word lines with the bit line, the local source line connecting in parallel the memory cells with the common source line, the device constituting an AND flash memory.
17. The device of claim 16, further comprising:
a body isolation line extending over the top surface and the side surface of the semiconductor pin to intersect the direction and overlapping the first doped layer and the second doped layer to deplete a body region between the first doped layer and the second doped layer, between the outmost word line and the select line adjacent to the outmost word line.
18. The device of claim 15, wherein the first doped layer and the second doped layer are a bit line and a common source line, respectively, the device constituting a NOR flash memory.
19. A method of operating an AND flash memory device, the AND flash memory device including a plurality of bit lines, a local bit line connected to each of the bit lines through a first select transistor controlled by a drain select line, common source lines, a local source line connected to each of the commons source lines through a second select transistor controlled by a source select line, and a plurality of memory cells connected in parallel to the local bit line and the local source line and controlled by word lines on a semiconductor substrate, the method comprising:
by applying a first voltage to the drain select line, a second voltage lower than the first voltage to the bit line connected to selected memory cell to turn on the first select transistor, a third voltage equal to or higher than the first voltage to the bit lines connected to unselected memory cells, a fourth voltage higher than the second voltage to the word line connected to the selected memory cell, a fifth voltage equal to or higher than the second voltage or lower than the fourth voltage to the word lines connected to the unselected memory cells, the second voltage to the source select line to turn off the second select transistor, the second voltage to the common source line, and a ground voltage to the semiconductor substrate,
floating a body region of the selected memory cell from electric potential of the semiconductor substrate to program the selected memory cell.
20. The method of claim 19, wherein the AND flash memory device comprises the structure of claim 13, and a sixth voltage is applied to the body isolation line to completely deplete a body region of a semiconductor pin surrounded by the body isolation line.
21. The method of claim 20, further comprising, by applying a seventh voltage to word lines of memory cells in a specific block including the selected memory cell and disposed between the drain select line and the source select line not to completely deplete a body region of the memory cells in the specific block and an eighth voltage higher than the seventh voltage to the semiconductor substrate to move electron hoes through F-N tunneling in the body region of the memory cells in the specific block, and floating the remaining lines,
simultaneously erasing the memory cells in the specific block.
22. The method of claim 21, further comprising, by applying a ninth voltage to the body isolation line not to completely deplete the body region of the semiconductor pin surrounded by the body isolation line, a tenth voltage higher than a ground voltage to the source select line to turn on the second select transistor, an eleventh voltage higher than the ground voltage to a word line connected to the selected memory cell, the first voltage higher than the ground voltage to the drain select line to turn on the first select transistor, a twelfth voltage higher than the ground voltage to a bit line connected to the selected memory cell, and the ground voltage to the common source line, word lines connected to the unselected memory cell, unselected bit lines, and the semiconductor substrate,
reading the selected memory cell.
23. The method of claim 22, wherein the fifth voltage and the ninth voltage are the ground voltage.
24. The method of operating the device of claim 19, further comprising, by applying a program voltage to a word line of selected memory cell, a floating or ground voltage to word lines of unselected memory cells and unselected bit lines, a first write voltage higher than the ground voltage to a bit line connected to the selected memory cell, and the ground voltage to the common source line,
programming the charge storage layer on the drain of the selected memory cell through a channel hot electron injection method.
25. The method of claim 24, further comprising, by applying a program voltage to a word line of selected memory cell, a floating or ground voltage to word lines of unselected memory cells and unselected bit lines, the ground voltage is applied to a bit line connected to the selected memory cell, and a second write voltage higher than the ground voltage to the common source line,
programming the charge storage layer on the source of the selected memory cell through a channel hot electron injection method.
26. The method of claim 25, wherein the common source line of the semiconductor pin and the common source line of other semiconductor pins are electrically insulated from each other, and a body region of the semiconductor pin and body regions of other semiconductor pins are independently biased.
27. A flash memory device comprising:
doped local bit lines in a substrate having non-volatile memory cells thereon; and
doped local source lines in the substrate buried under the doped local bit lines to be vertically spaced apart from one another and to define vertical channels for the respective non-volatile memory cells wherein a portion of layers forming the doped local bit lines and the doped local source lines are vertically non-overlapping.

1461130846-a77c3df0-aef5-40b3-a2f1-6fbaeab7b808

1. A low air pressure switch for an automobile, comprising:
a switch body having an air inlet by which the switch body communicates with a pneumatic line of a vehicle;
a diaphragm installed in the switch body, which operates in response to a change of a pressure of air applied to the air inlet;
a plunger closely contacting with the diaphragm, which accordingly moves together with the diaphragm;
a contact plate disposed between the diaphragm and the plunger;
a spring elastically supporting the plunger;
a switch cover encompassing the plunger and the spring;
a dividing wall for separating an inner space of the switch cover into a spring chamber and a connector part; and
two connectors located in the connector part, wherein the two connectors are conductively coupled to the spring and the contact plate, respectively;
wherein the plunger electrically contacts the spring and the spring exerts a biasing force on the plunger toward the contact plate, said biasing being resisted by air pressure in the air inlet such that a decreased air pressure causes biasing of the plunger into contact with the contact plate.
2. The low air pressure switch according to claim 1, wherein one of the connectors is conductively coupled to the spring disposed in the spring chamber by a first lead passing through the dividing wall, and the other connector is conductively coupled to the contact plate by means of a second lead arranged along an inner surface of the switch cover.
3. The low air pressure switch according to claim 1, wherein an air passage is further provided in the dividing wall, so that the air can communicate the switch cover and the interior of the connector part when the diaphragm operates.
4. A low air pressure switch, comprising:
a switch body defining an air inlet through which the switch body communicates with a pneumatic line;
a diaphragm positioned within the switch body, said diaphragm operates in response to air pressure applied to the air inlet;
a plunger positioned adjacent the diaphragm, said plunger moving together with the diaphragm;
a contact plate disposed between the diaphragm and the plunger;
a spring elastically supporting the plunger;
a switch cover defining an inner space for encompassing the plunger and the spring;
a dividing wall disposed within the inner space separating the inner space into a spring chamber and a connector part; and
at least two connectors located in the connector part, wherein at least one of the connectors is coupled to the spring and wherein at least another connector is coupled to the contact plate;
wherein the plunger electrically contacts the spring and the spring exerts a biasing force on the plunger toward the contact plate, said biasing being resisted by air pressure in the air inlet such that a decreased air pressure causes biasing of the plunger into contact with the contact plate.

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 bicycle comprising:
a frame comprising a hollow front frame member, a lower frame member, an upper frame member, a rear frame member, and a bottom bracket;
said hollow front frame member being connected to said lower frame member, said lower frame member extending from said front frame member at a downward angle and terminating at said bottom bracket;
said rear frame member extending upward from said bottom bracket, said rear frame member being at least partially hollow;
said upper frame member extending from said rear frame member and connecting to said front frame member;
a pedal assembly partially contained within said bottom bracket, said pedal assembly having an axle and a pedal gear;
a shaft drive assembly having a front shaft-gear in geared communication with said pedal gear of said pedal assembly, a drive shaft extending from said front shaft-gear to a rear shaft-gear, said rear shaft-gear being in geared communication with a hub gear, said hub gear being associated with a rear hub such that said hub gear can cause rotation of said rear hub;
a rear wheel having a rim and an airless tire mounted thereto, said rear wheel being mounted around said rear hub with radial spokes extending from said rear hub to said rear rim;
a lower rear forked member connected to said rear frame member; said lower rear forked member having first and second arms, and said rear hub being mounted to said lower rear forked member between said first and second arms;
a steering assembly comprising: (1) a steering rod extending through said hollow front frame member; (2) a front forked member connected to the lower end of said steering rod, said front forked member having first and second arms; and, (3) a handle bar assembly connected to the upper end of said steering rod;
a front hub rotatably mounted to a front axle extending between said first and second arms of said front forked member;
a front wheel having a rim and an airless tire mounted thereto, said front wheel being mounted around said front hub with radial spokes extending from said front hub to said front rim;
a seat rod at least partially inserted and slideable within said hollow portion of said rear frame member, wherein the junction of said rear frame member and said seat rod occurs above the junction of said upper frame and said rear frame member; and;
wherein said frame, said rear rim, rear hub, lower rear forked member, steering assembly, front hub, front rim, radial spokes, and seat rod are metallic and are coated to prevent rust.
2. The bicycle as recited in claim 1 further comprising a seat adjustment assembly positioned at the Junction of said rear frame member and said seat rod, said seat adjustment assembly being lockable and unlockable with a threaded fastener.
3. The bicycle as recited in claim 2 wherein said rear wheel is mounted to said lower rear forked member with a rear wheel attachment assembly, said rear wheel attachment assembly comprising:
a rear axle, having said rear hub and said hub gear rotatatably mounted thereon;
a first connection plate connected to said first arm of said lower rear forked element, said first connection plate having a slot and said rear axle extending through said slot; and,
a housing at least partially encasing said rear shaft-gear and said hub gear, said housing having an outer surface with a slot for receiving said rear axle therethrough.
4. The bicycle as recited in claim 3 further comprising a second connection plate connected to both said second art of said lower rear forked member and said housing.
5. The bicycle as recited in claim 4 wherein an upper rear forked member extends from said rear frame member, said upper forked member having first and second arms, said first arm extending toward and connecting to said first connection plate and said second arm extending toward and connecting to said second connection plate.
6. The bicycle as recited in claim 5 further comprising a cross member extending between said first and second arms of said upper forked member.
7. The bicycle as recited in claim 6 further comprising a rear wheel lock mounted on said cross member.
8. The bicycle as recited in claim 7 further comprising a coaster brake mounted around said rear axle and a coaster brake arm extending from said rear axle to said first arm of said lower rear forked member and being attached thereto.
9. The bicycle as recited in claim 1 wherein said rear rim and said front rim each have first and second sidewalls with a lip extending interiorly therefrom, said lip on said first sidewall of each rim extending into a first mounting groove cut into one side of said airless tires and said lip on said second sidewall of each rime extending into a second mounting groove cut into the other side of said airless tires, when each of said airless tires is mounted onto said rear rim and said front rim.
10. The bicycle as recited in claim 9 wherein each of said first and second sidewalls are positioned around the entire circumference of said bases.
11. The bicycle as recited in claim 9 wherein each lip protruding from said sidewalls protrudes from said sidewalls at a ninety degree angle.
12. A seat adjustment assembly for adjusting the height of a bicycle seat, said seat adjustment assembly comprising:
a seat rod slideably positioned within an at least partially hollow bicycle frame member, said frame member having a longitudinal slit extending from its upper end;
a clamp member having an interior surface with a shape corresponding to the transverse cross-sectional shape of the frame member and positioned around the perimeter of said frame member, said clamp member having a first end and a second end;
a first fastener-receiving passage extending through said first end, said first fastener-receiving passage being aligned transverse to said frame member when said clamp member is mounted on said frame member, said first fastener-receiving passage having an internal shoulder around its inside perimeter;
a second fastener-receiving passage extending through said second end, said second fastener-receiving passage being axially aligned with said first fastener-receiving passage;
a dowel nut chamber in said second end, said dowel nut chamber being oriented perpendicular to and intersecting said second fastener-receiving passage;
a dowel nut insertable into said dowel nut chambers said dowel nut having an internally threaded passage extending diametrically through said dowel nut; and,
a shoulder bolt fastener having (1) a threaded portion, (2) an head, (3) a shank positioned between said head and said threaded portion, and (4) a shoulder positioned between said threaded portion and said shank,
said threaded portion being insertable through said first and second fastener-receiving passages and being threadable with said internally threaded passage in said dowel nut,
said shoulder abutting said internal shoulder of said first fastener-receiving passage when said shoulder bolt fastener is fully inserted into said first fastener-receiving passage.
13. The seat adjustment assembly of claim 12 wherein said clamp member is positioned around said frame member at said frame member’s upper end.
14. The seat adjustment assembly of claim 13 wherein said clamp member has a lip extending radially inwardly from the interior surface of said clamp member, creating a shoulder.
15. The seat adjustment assembly of claim 14 wherein said (towel nut and said dowel nut chamber are substantially cylindrical.
16. The seat adjustment assembly of claim 15 wherein said dowel nut chamber extends through said second end creating a first opening in the top surface of the second end and a second opening in the bottom surface of said second end, wherein the first opening has a diameter slightly greater that the diameter of the dowel nut and the second opening has a diameter slightly less than the diameter of the dowel nut.