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Class Information
Number: 257/368
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Field effect device > Having insulated electrode (e.g., mosfet, mos diode) > Insulated gate field effect transistor in integrated circuit
Description: Subject matter wherein the device is an insulated gate field effect transistor located in a single monolithic semiconductor chip circuit.
Sub-classes under this class:
| Class Number |
Class Name |
Patents |
| 257/378 |
Combined with bipolar transistor |
534 |
| 257/379 |
Combined with passive components (e.g., resistors) |
609 |
| 257/369 |
Complementary insulated gate field effect transistors |
1,327 |
| 257/393 |
Insulated gate field effect transistor adapted to function as load element for switching insulated gate field effect transistor |
282 |
| 257/392 |
Insulated gate field effect transistors of different threshold voltages in same integrated circuit (e.g., enhancement and depletion mode) |
396 |
| 257/390 |
Matrix or array of field effect transistors (e.g., array of fets only some of which are completed, or structure for mask programmed read-only memory (rom)) |
838 |
| 257/382 |
With contact to source or drain region of refractory material (e.g., polysilicon, tungsten, or silicide) |
715 |
| 257/394 |
With means to prevent parasitic conduction channels |
169 |
| 257/386 |
With means to reduce parasitic capacitance |
155 |
| 257/401 |
With specified physical layout (e.g., ring gate, source/drain regions shared between plural fets, plural sections connected in parallel to form power mosfet) |
1,493 |
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 5923064 |
Semiconductor memory device with a concentrated impurities in channel transistors |
Jul. 13, 1999 |
| 5920097 |
Compact, dual-transistor integrated circuit |
Jul. 6, 1999 |
| 5920105 |
Compound semiconductor field effect transistor having an amorphous gas gate insulation layer |
Jul. 6, 1999 |
| 5905289 |
Planarized metallurgy structure for a semiconductor and process of fabrication |
May. 18, 1999 |
| 5903034 |
Semiconductor circuit device having an insulated gate type transistor |
May. 11, 1999 |
| 5898207 |
Method for making a semiconductor device |
Apr. 27, 1999 |
| 5880508 |
MOSFET with a high permitivity gate dielectric |
Mar. 9, 1999 |
| 5872380 |
Hexagonal sense cell architecture |
Feb. 16, 1999 |
| 5866934 |
Parallel and series-coupled transistors having gate conductors formed on sidewall surfaces of a sacrificial structure |
Feb. 2, 1999 |
| 5866933 |
Integrated circuit security system and method with implanted interconnections |
Feb. 2, 1999 |
| 5861652 |
Method and apparatus for protecting functions imbedded within an integrated circuit from reverse engineering |
Jan. 19, 1999 |
| 5856692 |
Voltage-clamped power accumulation-mode MOSFET |
Jan. 5, 1999 |
| 5852315 |
N-sided polygonal cell layout for multiple cell transistor |
Dec. 22, 1998 |
| 5834813 |
Field-effect transistor for one-time programmable nonvolatile memory element |
Nov. 10, 1998 |
| 5834798 |
Semiconductor device containing semiconductor region formed in active layer on sidewall of contact opening |
Nov. 10, 1998 |
| 5821559 |
Electric device, matrix device, electro-optical display device, and semiconductor memory having thin-film transistors |
Oct. 13, 1998 |
| 5821600 |
Isolation by active transistors with grounded gates |
Oct. 13, 1998 |
| 5821586 |
Semiconductor device including a protective element having negative resistance characteristic |
Oct. 13, 1998 |
| 5818069 |
Ultra high density series-connected transistors formed on separate elevational levels |
Oct. 6, 1998 |
| 5818089 |
Semiconductor memory device |
Oct. 6, 1998 |
| 5814867 |
Semiconductor device and fabrication method thereof |
Sep. 29, 1998 |
| 5808316 |
Microcrystal silicon thin film transistor |
Sep. 15, 1998 |
| 5804854 |
Memory cell array |
Sep. 8, 1998 |
| 5798551 |
Semiconductor integrated circuit device and method of manufacturing the same |
Aug. 25, 1998 |
| 5798552 |
Transistor suitable for high voltage circuit |
Aug. 25, 1998 |
| 5796147 |
Semiconductor device having a plurality of circuits driven by different power sources and formed on the same substrate |
Aug. 18, 1998 |
| 5783849 |
Semiconductor device |
Jul. 21, 1998 |
| 5780897 |
ESD protection clamp for mixed voltage I/O stages using NMOS transistors |
Jul. 14, 1998 |
| 5780904 |
Semiconductor integrated circuit device for obtaining extremely small constant current and timer circuit using constant current circuit |
Jul. 14, 1998 |
| 5780906 |
Static memory cell and method of manufacturing a static memory cell |
Jul. 14, 1998 |
| 5777369 |
Bit-line pull-up circuit or static random access memory (SRAM) devices |
Jul. 7, 1998 |
| 5767545 |
Power mosfet having current detection means |
Jun. 16, 1998 |
| 5767555 |
Compound semiconductor device controlled by MIS gate, driving method therefor and electric power conversion device using the compound semiconductor device and the driving method |
Jun. 16, 1998 |
| 5757042 |
High density ferroelectric memory with increased channel modulation and double word ferroelectric memory cell for constructing the same |
May. 26, 1998 |
| 5757051 |
Static memory cell and method of manufacturing a static memory cell |
May. 26, 1998 |
| 5747854 |
Semiconductor device and manufacturing method thereof |
May. 5, 1998 |
| 5744844 |
CMOS SRAM cell |
Apr. 28, 1998 |
| 5744837 |
Semiconductor device comprising a matrix array, and thin-film transistor liquid-crystal display device |
Apr. 28, 1998 |
| 5739573 |
Semiconductor device with improved salicide structure and a method of manufacturing the same |
Apr. 14, 1998 |
| 5736769 |
Semiconductor apparatus |
Apr. 7, 1998 |
| 5734187 |
Memory cell design with vertically stacked crossovers |
Mar. 31, 1998 |
| 5734175 |
Insulated-gate semiconductor device having a position recognizing pattern directly on the gate contact area |
Mar. 31, 1998 |
| 5734177 |
Semiconductor device, active-matrix substrate and method for fabricating the same |
Mar. 31, 1998 |
| 5731597 |
Field emitter array incorporated with metal oxide semiconductor field effect transistors and method for fabricating the same |
Mar. 24, 1998 |
| 5729043 |
Shallow trench isolation with self aligned PSG layer |
Mar. 17, 1998 |
| 5727166 |
Buffer with drive characteristics controllable by software |
Mar. 10, 1998 |
| 5723882 |
Insulated gate field effect transistor having guard ring regions |
Mar. 3, 1998 |
| 5717242 |
Integrated circuit having local interconnect for reduing signal cross coupled noise |
Feb. 10, 1998 |
| 5691557 |
Semiconductor circuit having input protective circuit |
Nov. 25, 1997 |
| 5682050 |
Bidirectional current blocking MOSFET for battery disconnect switching including protection against reverse connected battery charger |
Oct. 28, 1997 |
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