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Class 257/176 - Located in an emitter-gate region


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: Subject matter wherein the signal control mechanism is a
No. of patents: 17
Last issue date: 01/15/2008


NumberTitleIssue Date
7319250Semiconductor component and method for producing the same
A method for producing a semiconductor component has the following step: the front side (101) of the semiconductor body (100) is irradiated with high-energy particles using the terminal electrode (40) as a mask, in order to produce recombination...
01/15/2008
7262478Semiconductor device and manufacturing method thereof
A semiconductor device and method of manufacturing the same includes an n−-single crystal silicon substrate, with an oxide film selectively formed thereon. On the oxide film, gate polysilicon is formed. The surface of the gate polysilicon is covered wit...
08/28/2007
7098488Insulated gate bipolar transistor
An IGBT having a trench gate structure is disclosed which generates decreased noise at switching and displays superiority in saturation voltage to turn-off loss characteristics (trade-off characteristics). In a part of a region on an emitter side surface interposed ...
08/29/2006
6965129Thyristor-based device having dual control ports
Switching operations, such as those used in memory devices, are enhanced using a thyristor-based semiconductor device adapted to switch between a blocking state and a conducting state. According to an example embodiment of the present invention, a thyristor-based se...
11/15/2005
6963088Semiconductor component
A semiconductor component is arranged in a semiconductor body and has at least one integrated radially symmetrical lateral resistance having a location-dependent sheet resistance, the radial dependence of which is preferably configured such that the differential res...
11/08/2005
6013941Bipolar transistor with collector surge voltage protection
A semiconductor device provided with a planar bipolar transistor and a built-in ingredient acting as an element to protect the bipolar transistor from an external surge voltage e.g. an electrostatic surge voltage and the like, is provided with a planar bi...
01/11/2000
5986290Silicon controlled rectifier with reduced substrate current
The invention provides a silicon controlled rectifier having an anode and a cathode and including an NPN transistor and a PNP transistor. The NPN transistor has an emitter coupled to the cathode, a base and a collector. The PNP transistor has a base coupl...
11/16/1999
5682044Reverse conducting thyristor with a planar-gate, buried-gate, or recessed-gate structure
The present invention provides a reverse conducting (RC) thyristor of a planar-gate structure for low-and-medium power use which is relatively simple in construction because of employing a planar structure for each of thyristor and diode regions, permits ...
10/28/1997
4982261Semiconductor device
Respective side ends (20s, 1s) of a T1 electrode (20) and a gate electrode (1) of a TRIAC (70) are mutually adjacent and located on a P1 layer (13). The side ends (20s, 1s) are connected electrically by a resistance area (13a) which ...
01/01/1991
4291329Thyristor with continuous recombination center shunt across planar emitter-base junction
A four-layer semiconductor thyristor including a planar recombination region extending on both sides of a planar cathode-emitter junction....
09/22/1981
4286279Multilayer semiconductor switching devices
The specification discloses semiconductor switching devices having more than five layers of alternating semiconductor conductivity types and which do not utilize substantial lateral switching currents during the operation thereof. Ones of the exterior lay...
08/25/1981
4208669Controllable semiconductor rectifier with interference potential compensation
A controllable semiconductor rectifier which is subject to an interference potential and controllable by a control power comprises a first emitter layer, a first main electrode connected to the first emitter layer, a control base layer connected to the fi...
06/17/1980
4190853Multilayer semiconductor switching devices
The specification discloses semiconductor switching devices having more than five layers of alternating semiconductor conductivity types and which do not utilize substantial lateral switching currents during the operation thereof. Ones of the exterior lay...
02/26/1980
4163241Multiple emitter and normal gate semiconductor switch
The specification discloses a multilayer semiconductor rectifier having an emitter gate, a cathode and an anode. In addition, the rectifier includes at least one region of semiconductor material electrically remote from the emitter gate. A second gate ele...
07/31/1979
4089024Semiconductor switching device
A semiconductor switching device including at least three PN junctions and a control electrode formed on a portion of the surface of one outermost layer out of the layers constituting said PN junctions, wherein, in order to positively ensure that it turns...
05/09/1978
4063278Semiconductor switch having sensitive gate characteristics at high temperatures
The specification discloses a sensitive gate controlled rectifier including a semiconductor body having four layers of alternating opposite conductivity types. A first highly doped region of a first conductivity type is formed in a first exterior layer of...
12/13/1977
3967308Semiconductor controlled rectifier
A thyristor with a gate electrode formed on the side of an anode electrode. An auxiliary region of a large lateral resistance is formed in a surface layer of the substrate between the anode and gate electrodes....
06/29/1976
 
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