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Class Information
Number: 257/134
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Regenerative type switching device (e.g., scr, comfet, thyristor) > Combined with field effect transistor > J-fet (junction field effect transistor)
Description: Subject matter wherein the field effect transistor combined with the regenerative action junction type switching device is a junction field effect transistor, i.e., a field effect transistor wherein the gate region is isolated from the conducting channel by a rectifying pn junction or Schottky barrier junction.










Sub-classes under this class:

Class Number Class Name Patents
257/135 Vertical (i.e., where the source is located above the drain or vice versa) 181


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8710543 Cascode circuit device with improved reverse recovery characteristic Apr. 29, 2014
8581298 Semiconductor device Nov. 12, 2013
8575648 Silicon carbide semiconductor device and method of manufacturing the same Nov. 5, 2013
8569795 Semiconductor device and method of manufacturing the same Oct. 29, 2013
8564017 Silicon carbide semiconductor device and method for manufacturing same Oct. 22, 2013
8513675 Vertical junction field effect transistors having sloped sidewalls and methods of making Aug. 20, 2013
8460976 Manufacturing method of SOI high-voltage power device Jun. 11, 2013
8436397 Semiconductor device including normally-off type junction transistor and method of manufacturing the same May. 7, 2013
8421119 GaN related compound semiconductor element and process for producing the same and device having the same Apr. 16, 2013
8415720 Vertically pinched junction field effect transistor Apr. 9, 2013
8399888 P-type SiC semiconductor Mar. 19, 2013
8377755 Method for fabricating SOI high voltage power chip with trenches Feb. 19, 2013
8334579 Schottky diode Dec. 18, 2012
8227831 Semiconductor device having a junction FET and a MISFET for control Jul. 24, 2012
8222649 Semiconductor device and method of manufacturing the same Jul. 17, 2012
8202772 Vertical junction field effect transistors having sloped sidewalls and methods of making Jun. 19, 2012
8188540 High breakdown voltage double-gate semiconductor device May. 29, 2012
8159001 Graded junction high voltage semiconductor device Apr. 17, 2012
8120072 JFET devices with increased barrier height and methods of making same Feb. 21, 2012
8058655 Vertical junction field effect transistors having sloped sidewalls and methods of making Nov. 15, 2011
7994535 Semiconductor device including a JFET having a short-circuit preventing layer Aug. 9, 2011
7944017 Semiconductor device and manufacturing method of the same May. 17, 2011
7928469 MOSFET and method for manufacturing MOSFET Apr. 19, 2011
7893457 Bipolar mosfet devices and methods for their use Feb. 22, 2011
7838900 Single-chip common-drain JFET device and its applications Nov. 23, 2010
7838901 Single-chip common-drain JFET device and its applications Nov. 23, 2010
7838902 Single-chip common-drain JFET device and its applications Nov. 23, 2010
7834376 Power semiconductor switch Nov. 16, 2010
7781809 High voltage depletion layer field effect transistor Aug. 24, 2010
7772619 Semiconductor device having a fin structure and fabrication method thereof Aug. 10, 2010
7768033 Single-chip common-drain JFET device and its applications Aug. 3, 2010
7759695 Single-chip common-drain JFET device and its applications Jul. 20, 2010
7687834 Integrated circuit using complementary junction field effect transistor and MOS transistor in silicon and silicon alloys Mar. 30, 2010
7687825 Insulated gate bipolar conduction transistors (IBCTS) and related methods of fabrication Mar. 30, 2010
7655964 Programmable junction field effect transistor and method for programming same Feb. 2, 2010
7642566 Scalable process and structure of JFET for small and decreasing line widths Jan. 5, 2010
7598547 Low noise vertical variable gate control voltage JFET device in a BiCMOS process and methods to build this device Oct. 6, 2009
7582922 Semiconductor device Sep. 1, 2009
7569873 Integrated circuit using complementary junction field effect transistor and MOS transistor in silicon and silicon alloys Aug. 4, 2009
7538370 Semiconductor device having reduced gate charge and reduced on resistance and method May. 26, 2009
7535032 Single-chip common-drain JFET device and its applications May. 19, 2009
7531849 High performance FET devices May. 12, 2009
7518189 Independently-double-gated field effect transistor Apr. 14, 2009
7508013 Versatile system for cross-lateral junction field effect transistor Mar. 24, 2009
7491987 Junction field effect thin film transistor Feb. 17, 2009
7485509 Semiconductor device provided by silicon carbide substrate and method for manufacturing the same Feb. 3, 2009
7479672 Power junction field effect power transistor with highly vertical channel and uniform channel opening Jan. 20, 2009
7453107 Method for applying a stress layer to a semiconductor device and device formed therefrom Nov. 18, 2008
7378688 Method and apparatus for a low noise JFET device on a standard CMOS process May. 27, 2008
7365373 Thyristor-type memory device Apr. 29, 2008

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