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Class Information
Number: 257/E29.197
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductors devices adapted for rectifying, amplifying, oscillating, or switching, capacitors, or resistors with at least one potential-jump barrier or surface barrier (epo) > Types of semiconductor device (epo) > Controllable by only signal applied to control electrode (e.g., base of bipolar transistor, gate of field-effect transistor) (epo) > Bipolar device (epo) > Transistor-type device (i.e., able to continuously respond to applied control signal) > Controlled by field effect (e.g., bipolar static induction transistor (bsit)) (epo) > Insulated gate bipolar mode transistor (e.g., igbt; igt; comfet) (epo)
Description: This subclass is indented under subclass E29.194. This subclass is substantially the same in scope as ECLA classification H01L29/739C.


Sub-classes under this class:

Class Number Class Name Patents
257/E29.202 Thin-film device (epo) 101
257/E29.198 Transistor with vertical current flow (epo) 429


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
6037634 Semiconductor device with first and second elements formed on first and second portions Mar. 14, 2000
6025622 Conductivity modulated MOSFET Feb. 15, 2000
6020222 Silicon oxide insulator (SOI) semiconductor having selectively linked body Feb. 1, 2000
5998227 IGBT and free-wheeling diode combination Dec. 7, 1999
5994738 Silicon oxide insulator (SOI) semiconductor having selectively linked body Nov. 30, 1999
5977569 Bidirectional lateral insulated gate bipolar transistor having increased voltage blocking capability Nov. 2, 1999
5976926 Static memory cell and method of manufacturing a static memory cell Nov. 2, 1999
5959345 Edge termination for zener-clamped power device Sep. 28, 1999
5945723 Composite controlled semiconductor device Aug. 31, 1999
5929485 High voltage insulated gate type bipolar transistor for self-isolated smart power IC Jul. 27, 1999
5904510 Power transistor device having ultra deep increased concentration region May. 18, 1999
5874767 Semiconductor device including a lateral power device Feb. 23, 1999
5869850 Lateral insulated gate bipolar transistor Feb. 9, 1999
5828112 Semiconductor device incorporating an output element having a current-detecting section Oct. 27, 1998
5808345 High speed IGBT Sep. 15, 1998
5808344 Single-transistor logic and CMOS inverters Sep. 15, 1998
5801420 Lateral semiconductor arrangement for power ICS Sep. 1, 1998
5796146 Semiconductor device having a lateral insulated gate biopolar transistor Aug. 18, 1998
5793064 Bidirectional lateral insulated gate bipolar transistor Aug. 11, 1998
5793083 Method for designing shallow junction, salicided NMOS transistors with decreased electrostatic discharge sensitivity Aug. 11, 1998
5780917 Composite controlled semiconductor device and power conversion device using the same Jul. 14, 1998
5780887 Conductivity modulated MOSFET Jul. 14, 1998
5766966 Power transistor device having ultra deep increased concentration region Jun. 16, 1998
5757051 Static memory cell and method of manufacturing a static memory cell May. 26, 1998
5744830 Semiconductor device Apr. 28, 1998
5726469 Surface voltage sustaining structure for semiconductor devices Mar. 10, 1998
5665988 Conductivity-modulation semiconductor Sep. 9, 1997
5663079 Method of making increased density MOS-gated semiconductor devices Sep. 2, 1997
5654561 Insulated gate bipolar transistor with multiple buffer layers Aug. 5, 1997
5624855 Process of producing insulated-gate bipolar transistor Apr. 29, 1997
5608236 Semiconductor device Mar. 4, 1997
5596216 Semiconductor device with diode and capable of device protection Jan. 21, 1997
5572048 Voltage-driven type semiconductor device Nov. 5, 1996
5572055 Insulated-gate bipolar transistor with reduced latch-up Nov. 5, 1996
5559346 Field-effect semiconductor device with increased breakdown voltage Sep. 24, 1996
5548150 Field effect transistor Aug. 20, 1996
5543650 Electrostatic discharge protection circuit employing a mosfet device Aug. 6, 1996
5528063 Conductive-overlaid self-aligned MOS-gated semiconductor devices Jun. 18, 1996
5498885 Modulation circuit Mar. 12, 1996
5485023 Insulated gate bipolar transistor Jan. 16, 1996
5451799 MOS transistor for protection against electrostatic discharge Sep. 19, 1995
5449938 MOS-controlled power semiconductor component Sep. 12, 1995
5436486 High voltage MIS transistor and semiconductor device Jul. 25, 1995
5428241 High breakdown voltage type semiconductor device Jun. 27, 1995
5349212 Semiconductor device having thyristor structure Sep. 20, 1994
5343052 Lateral insulated gate bipolar transistor Aug. 30, 1994
5323041 High-breakdown-voltage semiconductor element Jun. 21, 1994
5286984 Conductivity modulated MOSFET Feb. 15, 1994
5279977 Method of manufacturing a semiconductor device for extracting a signal used to monitor potential of a high voltage island Jan. 18, 1994
5258641 Semiconductor device for extracting a signal used to monitor potential of a high voltage island at a low voltage island and method of manufacturing the same Nov. 2, 1993

1 2 3


 
 
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