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Class 257/606 - Subsurface breakdown


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: Subject matter wherein the voltage breakdown occurs below
No. of patents: 72
Last issue date: 04/21/2009


1    
NumberTitleIssue Date
7521774Semiconductor diode and method for the production thereof
In a semiconductor system 20 made up of multiple sublayers, a sublayer over the largest part of a cross-sectional area BC in the interior of the semiconductor system borders immediately on the first sublayer, while bordering on a second sublayer only in a com...
04/21/2009
7361942Transient voltage suppression device
A bi-directional transient voltage suppression (“TVS”) device (101) includes a semiconductor die (201) that has a first avalanche diode (103) in series with a first rectifier diode (104) connected cathode to cathode, electrically coup...
04/22/2008
7312128Selective epitaxy process with alternating gas supply
In one example, a method of epitaxially forming a silicon-containing material on a substrate surface is presented which includes positioning a substrate into a process chamber. The substrate has a monocrystalline surface and at least a second surface, such as an amo...
12/25/2007
7279773Protection device for handling energy transients
A protection device for handling energy transients includes a plurality of basic unit Zener diodes connected in series to achieve a desired breakdown voltage. Each of the basic unit Zener diodes is formed in a first-type substrate. Each of the basic unit Zener diode...
10/09/2007
7259411Vertical MOS transistor
A vertical MOS transistor has a source region, a channel region, and a drain region that are vertically stacked, and a trench that extends from the top surface of the drain region through the drain region, the channel region, and partially into the source region. Th...
08/21/2007
7199402Semiconductor devices
The present invention provides a semiconductor device embracing (a) a first semiconductor region defined by a first end surface, a second end surface opposing to the first end surface and a side boundary surface connecting the first and second end surfaces; (b) a se...
04/03/2007
7091604Three dimensional integrated circuits
A three-dimensional integrated circuit that provides reduced interconnect signal delay over known 2-dimensional systems. The three-dimensional integrated circuit also allows improved circuit cooling. The three-dimensional integrated circuit includes two or more elec...
08/15/2006
6977195Test structure for characterizing junction leakage current
For characterizing bulk leakage current of a junction, a center junction surrounded by an isolation structure is formed with a first depth. In addition, at least one periphery junction having a second depth greater than the first depth is formed in a portion of the ...
12/20/2005
6947613Wavelength selective switch and equalizer
A device comprising a light modulator including a plurality of elements wherein each element is selectively operable such that the plurality of elements are dynamically configurable to combine selected ones of a plurality of grating periods such that selected portio...
09/20/2005
6936868Sequential mesa avalanche photodiode capable of realizing high sensitization and method of manufacturing the same
A sequential mesa type avalanche photodiode (APD) includes a semiconductor substrate and a sequential mesa portion formed on the substrate. In the sequential mesa portion, a plurality of semiconductor layers, including a light absorbing layer and a multiplying layer...
08/30/2005
6936907Lateral high-voltage semiconductor devices with surface covered by thin film of dielectric material with high permittivity
This invention provides a method or an auxiliary method to implement optimum variation lateral flux on a semiconductor surface. The method is to cover one or more thin films of high permittivity dielectric material on the semiconductor surface. The one or more films...
08/30/2005
6867436Transient voltage suppression device
A bi-directional transient voltage suppression (“TVS”) device (101) includes a semiconductor die (201) that has a first avalanche diode (103) in series with a first rectifier diode (104) connected cathode to cathode, electrically coup...
03/15/2005
6815799Semiconductor integrated circuit device
A semiconductor integrated circuit device with built-in spark killer diodes suitable for output transistor protection has a problem such that a leakage current to the substrate is great and a desirable forward current cannot be obtained. In a semiconductor integrate...
11/09/2004
6803644Semiconductor integrated circuit device and method of manufacturing the same
A plurality of connection holes 24 for connecting n+ type semiconductor region 20 of zener diodes (D1, D2) and wires 21 and 22 to each other are not arranged in the center of the n+ type semicon...
10/12/2004
6784520Semiconductor devices constitute constant voltage devices used to raise internal voltage
A constant voltage device includes n-type and p-type doped layers. The n-type doped layer is formed by heavily doping with an n-type impurity an upper portion of a p-type silicon semiconductor substrate, in an active region defined by an isolating insulator film. Th...
08/31/2004
6734515Semiconductor light receiving element
A semiconductor light receiving element having a light receiving layer (1) formed from a GaN group semiconductor, and an electrode (2) formed on one surface of the light receiving layer as a light receiving surface (1a) in such a way that...
05/11/2004
6730979Recessed p-type region cap layer avalanche photodiode
A recessed p-type region cap layer avalanche photodiode (12) is provided. The photodiode (12) includes a semiconductor substrate (30) and a semiconductor stack (32), which is electrically coupled to the substrate (30). A cap layer ...
05/04/2004
6706606Buried zener diode structure and method of manufacture
A buried Zener diode structure and method of manufacture requires no additional process steps beyond those required in a basic standard bipolar flow with up-down isolation. The buried Zener diode has its N++/P+ junction removed from the silicon surface. ...
03/16/2004
6639301Semiconductor device and manufacturing method thereof
A semiconductor device embraces an n-type first semiconductor region, defined by first and second end surfaces and a first outer surface connecting the first and second end surfaces; a p-type second semiconductor region, defined by third and fourth end su...
10/28/2003
6605859Buried Zener diode structure and method of manufacture
A buried Zener diode structure and method of manufacture requires no additional process steps beyond those required in a basic standard bipolar flow with up-down isolation. The buried Zener diode has its N++/P+ junction removed from the silicon surface....
08/12/2003
6590273Semiconductor integrated circuit device and manufacturing method thereof
In the semiconductor integrated circuit device, a first P+ type buried layer formed as an anode region and an N+ type diffused region formed in a cathode region are spaced from each other in the direction of the depth. This makes it ...
07/08/2003
6552413Diode
Implemented is a diode which controls an energy loss produced during a reverse recovery operation and generates an oscillation of an applied voltage with difficulty even if a reverse bias voltage has a great value. An N layer 101 and a P layer 102 are for...
04/22/2003
6531744Integrated circuit provided with overvoltage protection and method for manufacture thereof
The invention concerns an integrated circuit, including a substrate (SBSTR) with sub-circuits provided with a number of terminals, including a substrate terminal or earthing point (GND), a Vcc power supply terminal, an input point (in) and an o...
03/11/2003
6495863Semiconductor device having diode for input protection circuit of MOS structure device
An insulator film provided on a region for arranging a Zener diode has a plurality of groove portions successively arranged in a direction D1 of extension of each semiconductor region forming the diode. Each groove potion extends in a width direction D2 o...
12/17/2002
6410950Geometrically coupled field-controlled-injection diode, voltage limiter and freewheeling diode having the geometrically coupled field-controlled-injection diode
A pin diode includes an inner zone, a cathode zone and an anode zone. A boundary surface between the inner zone and the anode zone is at least partly curved and/or at least one floating region having the same conduction type and a higher dopant concentrat...
06/25/2002
6075276ESD protection device using Zener diodes
A semiconductor device is provided which includes a first conductivity type semiconductor substrate, a second conductivity type Zener region formed in a surface layer of the first conductivity type semiconductor substrate, a first conductivity type anode ...
06/13/2000
6051457Method for fabricating electrostatic discharge protection device
An integrated circuit with a passive component and an ESD device in accordance with the present invention has: a P substrate; an N+ buried layer implanted in the P substrate; a cathode coupled to the N+ buried layer with an N area formed between the catho...
04/18/2000
5986327Bipolar type diode
A base region is formed at a shallow junction and an impurity region of higher impurity concentration is formed, by a separate step, as a buried layer at a predetermined distance from the surface of a semiconductor substrate. By so doing, a bipolar diode ...
11/16/1999
5883414Electrostatic discharge protection device
An integrated circuit with a passive component and an ESD device in accordance with the present invention has: a P substrate; an N+ buried layer implanted in the P substrate; a cathode coupled to the N+ buried layer with an N area formed between the catho...
03/16/1999
5869882Zener diode structure with high reverse breakdown voltage
A zener diode capable of breakdown at much higher voltages than in the prior art is fabricated by providing a semiconductor substrate of a first conductivity type having an opposite conductivity type first tank disposed therein. The first tank includes re...
02/09/1999
5834823Transistor with constant voltage diode
A power transistor incorporating a constant-voltage diode maintains the breakdown voltage of the constant-voltage diode at a specified level and prevents local breakdown of an insulating film located between an A1 field plate electrode and a base region o...
11/10/1998
5757057Large area avalanche photodiode array
A large area avalanche photodiode device that has a plurality of contacts formed on a bottom side that are isolated from each other by various kinds of isolation structures. In one embodiment, a cavity is formed in one layer of the avalanche photodiode th...
05/26/1998
5691558Drift-free avalanche breakdown diode
An avalanche breakdown diode includes a p-doped trough in which a highly p-doped region is introduced. In addition to the trough, an n-doped region is introduced, which is underlaid by a p-doped layer. The trough and the p-doped layer define a precisely e...
11/25/1997
5612568Low-noise zener diode
A low-noise Zener diode that enables to improve the surge resistance performance without degeneration of its low-noise characteristic is provided. The diode contains a semiconductor substrate of a first conductivity type and a first impurity doped region ...
03/18/1997
5608244Semiconductor diode with reduced recovery current
A high speed soft recovery diode having a large breakdown voltage is disclosed. Anode P layers (3) are selectively formed in a top portion of an N- body (2). A P- layer (4a) is disposed in the top portion of the N- body...
03/04/1997
5594266Integrated circuit (IC) with a two-terminal diode device to protect metal-oxide-metal capacitors from ESD damage
An ESD protective clamp device comprised of a two-terminal diode formed in an isolated chip cell. The lower part of this chip cell region contains a buried layer of silicon with P-type dopant, and the upper part is an epitaxial layer also with P-type dopa...
01/14/1997
5554882Integrated trigger injector for avalanche semiconductor switch devices
An avalanche semiconductor switch device utilizes trigger input. The integrated trigger input is a charge carrier injector which injects charge carriers directly into the avalanche semiconductor switch device. The avalanche semiconductor switch device inc...
09/10/1996
5477078Integrated circuit (IC) with a two-terminal diode device to protect metal-oxide-metal capacitors from ESD damage
An ESD protective clamp device comprised of a two-terminal diode formed in an isolated chip cell. The lower part of this chip cell region contains a buried layer of silicon with P-type dopant, and the upper part is an epitaxial layer also with P-type dopa...
12/19/1995
5468673Avalanche diode incorporated in a bipolar integrated circuit
A reference diode is formed in an N-type insulated well. An avalanche diode includes a P-type deep region having a high doping level, beneath which is formed an N-type overlapping buried layer, a P-type deep diffused region contacting a central portion of...
11/21/1995
5414295Avalance diode incorporated in a bipolar integrated circuit
A reference diode is formed in an N-type insulated well. An avalanche diode includes a P-type deep region having a high doping level, beneath which is formed an N-type overlapping buried layer, a P-type deep diffused region contacting a central portion of...
05/09/1995
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