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Class 257/114 - With separate light detector integrated on chip with regenerative switching device


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: Subject matter wherein the light sensitive portion is separate
No. of patents: 37
Last issue date: 04/13/2010


NumberTitleIssue Date
7696529Array substrate for use in a transflective liquid crystal display device and a method of fabricating the same
The present invention provides a transflective liquid crystal display device having at least one switching element having at least a drain electrode, a first passivation layer formed over the switching element with the first passivation layer defining a drain contac...
04/13/2010
7397066Microelectronic imagers with curved image sensors and methods for manufacturing microelectronic imagers
Microelectronic imagers with curved image sensors and methods for manufacturing curved image sensors. In one embodiment, a microelectronic imager device includes an imager die having a substrate, a curved microelectronic image sensor having a face with a convex and/...
07/08/2008
7232708Multi-mode integrated circuit structure
A multi-mode integrated circuit structure. In one embodiment, an integrated circuit structure includes a first die having at least one first component disposed on a face, the first die fabricated using a first process that is optimal for operating the component in a...
06/19/2007
7214971Semiconductor light-receiving device
A semiconductor light-receiving device has a substrate including upper, middle and lower regions in its front side. A p-type layer on the lower region has a top surface including a portion on a level with the middle region. An electrode covers at least part of the b...
05/08/2007
7157747Bidirectional photothyristor chip, light-fired coupler and solid state relay
A channel isolation region 42 is formed over the entire width of an N-type silicon substrate 41, and photothyristors, in each of which an anode diffusion region 43, a P-gate diffusion region 44, a cathode diffusion region 45 are fo...
01/02/2007
7122840Image sensor with optical guard ring and fabrication method thereof
An image sensor device and fabrication method thereof wherein a substrate having at least one shallow trench isolation structure therein is provided. At least one photosensor and at least one light emitting element, e.g., such as MOS or LED, are formed in the substr...
10/17/2006
7102185Lightshield architecture for interline transfer image sensors
An interline transfer type image sensing device that can be operated at high speed and with low image smear is described. The device incorporates a refractory metal layer which is used for both a light shield over the vertical charge transfer region and as a wiring ...
09/05/2006
7075593Electron-beam-addressed active-matrix spatial light modulator
A spatial light modulator contains a substrate (90), a plurality of overlying liquid-crystal cells (202), a plurality of respectively corresponding transistors (204), an electron-beam system (400 and 500), and a control component (...
07/11/2006
7057214Light-activated semiconductor switches
Semiconductor switches, such as thyristors, may be light activated by introducing the light into the switch via a groove having a sloped surface to receive the triggering light. The use of a sloped surface increases the surface path length between points of differen...
06/06/2006
7033873Methods of controlling gate electrode doping, and systems for accomplishing same
The present invention is generally directed to various methods of controlling gate electrode doping, and various systems for accomplishing same. In one illustrative embodiment, the method disclosed herein comprises performing at least one process operation to form a...
04/25/2006
6933489Back illuminated photodiode array and method of manufacturing the same
Disclosed are a back illuminated photodiode array, which is mass-producible and has an ultra-thin high-performance single-sided electrode structure, and a method of manufacturing the same. Both electrodes of a photodiode on a semiconductor substrate 1, which ...
08/23/2005
6809355Solid-state imaging device
A solid-state imaging device having a gate structure including an oxide film and a nitride film includes upper layer films (for example, a planarization film, an insulating film, and a protective film) allowing ultraviolet rays having a wavelength of 400 nm or less ...
10/26/2004
6800877Semi-conductor interconnect using free space electron switch
An apparatus and method for electrically connecting semi-conductor devices is disclosed. The apparatus and method employs a vacuum chamber and first and second semi-conductor components. The first and second semi-conductor components are coupled to a vacuum chamber ...
10/05/2004
6770911Large area silicon carbide devices
Large area silicon carbide devices, such as light-activated silicon carbide thyristors, having only two terminals are provided. The silicon carbide devices are selectively connected in parallel by a connecting plate. Silicon carbide thyristors are also provided havi...
08/03/2004
6765290Arrangement for back-biasing multiple integrated circuit substrates at maximum supply voltage among all circuits
A diode coupling-based arrangement back-biases each of the semiconductor substrates of a plurality of integrated circuits at the maximum (e.g., most negative) DC voltage applied to any individual circuit, irrespective of a potential variation in applied DC voltages....
07/20/2004
6548352Multi-layered gate for a CMOS imager
A multi-layered gate for use in a CMOS or CCD imager formed with a second gate at least partially overlapping it. The multi-layered gate is a complete gate stack having an insulating layer, a conductive layer, an optional silicide layer, and a second insu...
04/15/2003
6144045High power devices based on gallium nitride and aluminum gallium nitride semiconductor heterostructures
High power thyristor-type devices comprising a first layer of p-type doped semiconductor alloy aluminum gallium nitride, a second layer of n-type doped aluminum gallium nitride with lower aluminum content than the first layer, a third layer of p-type dope...
11/07/2000
5929474Active matrix OED array
An active matrix OED array includes an array area defined on a semiconductor substrate defining rows and columns of pixels and driver areas spaced from the array area with driver circuits including row drivers coupled to row buses and column drivers coupl...
07/27/1999
5780877Break-over photodiode
A break-over photodiode, designed as a light-sensitive thyristor, can be stacked using a series connection with a plurality of break-over photodiodes, such stacking representing a high-voltage break-over diode. The break-over photodiode can be triggered b...
07/14/1998
5677552Optical control circuit for an optical pnpn thyristor
The invention provides an optical functioning device which emits and receives light, and a driver circuit for controlling the device with light. In the device, elements, in which semiconductor multilayer-film reflecting mirrors are provided at both the up...
10/14/1997
5663580Optically triggered semiconductor device
A semiconductor device comprises a semiconductor layer of SiC having an active area through which the device is adapted to be triggered by light incident thereon and means for generating and emitting light with an energy exceeding the bandgap, being the e...
09/02/1997
5406096Device and method for high performance high voltage operation
A high voltage device (10) having MOS input characteristics. A low voltage MOS transistor (12) is provided which has a source (18), a drain (22), and a gate (25). A high voltage transistor (14) is also provided which has a source (20), a drain (24), and g...
04/11/1995
5345094Light triggered triac device and method of driving the same
Disclosed is a semiconductor device comprising an output Triode AC switch with a vertical structure, which is provided in a silicon substrate and has a gate, a first output terminal and a second output terminal, and an input/driving photo Triode AC switch...
09/06/1994
5245203Photoelectric converter with plural regions
A photoelectric converter of semiconductor transistor comprises two semiconductor regions of same electroconductive type and a semiconductor region of opposite electroconductive type to that of the two semiconductor regions. The semiconductor region of op...
09/14/1993
5017991Light quenchable thyristor device
A thyristor device comprising an SI (Static induction) thyristor or beam base thyristor and an SIT (static induction transistor) or SIT-mode bipolar transistor connected to the gate of the thyristor in order to make it possible to turn-on and-off a direct...
05/21/1991
4982259Sensitive thyristor having improved noise-capability
A MOSFET is provided between a main thyristor and an auxiliary thyristor for controlling the main thyristor. The source and drain regions of the MOSFET are also used as a first N-type emitter region of the main thyristor and a second N-type emitter region...
01/01/1991
4975755Optically controllable static induction thyristor device
A semiconductor device comprises a static induction thyristor and a photosensitive element connected to a gate of the static induction thyristor so that the static induction thyristor is controlled optically. A plurality of the semiconductor devices are e...
12/04/1990
4866500Integrated light-triggered and light-quenched static induction thyristor and making method thereof
An integrated light-triggered and light-quenched static induction thyristor and fabrication process thereof adapted in such a manner that an integrated SIPT operates in the normal mode in order to enhance current gain, tail current generated at the light-...
09/12/1989
4816891Optically controllable static induction thyristor device
A semiconductor device comprises a static induction thyristor and a photosensitive element connected to a gate of the static induction thyristor so that the static induction thyristor is controlled optically. A plurality of the semiconductor devices are e...
03/28/1989
4757367Light triggered semiconductor device with detachable auxiliary thyrister
There is provided a light triggered thyristor device comprising a main thyristor triggered by an electric triggering signal, an auxiliary thyristor triggered by a light signal applied to a light receiving portion, the auxiliary thyristor then supplying th...
07/12/1988
4719551Optically controlled power converting apparatus
The present invention provides an optically controlled power converting apparatus using light trigger/light quench electrostatic induction thyristors, as switching elements, which can execute the switching operations at a high speed being when they are su...
01/12/1988
4633288Light-triggerable thyristor having low light power requirement and high critical voltage rise rate
A thyristor comprises a semiconductor body containing a n emitter contacted by a cathode electrode and an adjacent p base, with a p emitter contacted by an anode electrode and an adjacent n base. The thyristor comprises a projection of the p base which ex...
12/30/1986
4604638Five layer semiconductor device with separate insulated turn-on and turn-off gates
A semiconductor device has first and second layers of n-type conductivity, a third layer of p-type conductivity which is formed between the first and second layers, a fourth layer of p-type conductivity which is in contact with the second layer, and a gat...
08/05/1986
4587546Light-triggerable thyristor having a low light power requirement
A light-triggerable thyristor has a semiconductor body which contains an n emitter contacted by a cathode electrode and lying adjacent a p base which, in turn, is adjacent an n base contacting a p emitter having an anode electrode. A projection of the p b...
05/06/1986
4574310One-dimensional semiconductor imaging device
A one-dimensional semiconductor imaging device in which each pixel in a linear array of devices is composed of but one transistor. The single transistor is an SIT (Static Induction Transistor) including a pair of principal electrode regions of one conduct...
03/04/1986
4489340PNPN Light sensitive semiconductor switch with phototransistor connected across inner base regions
A PNPN semiconductor switch including an N type semiconductor substrate, spaced apart first and second P type diffused regions formed on a surface of an N type substrate, spaced apart first and second N type diffused regions formed in the second P type di...
12/18/1984
4441115Thyristor having a center pn junction formed by plastic deformation of the crystal lattice
A thyristor comprises two semiconductor plates, discs or chips, one n-doped and one p-doped, each having a structure of parallel ridges on one major surface and an opposite conducting type layer on the other major surface, two plates, discs or chips being...
04/03/1984
 
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