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Class 257/566 - Plural non-isolated transistor structures in same structure


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: Subject matter wherein the bipolar structure includes more
No. of patents: 131
Last issue date: 04/26/2011


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NumberTitleIssue Date
7932582Compact dual direction BJT clamps
In a dual direction BJT clamp, multiple emitter and base fingers are alternatingly connected to ground and pad and share a common sub-collector. ...
04/26/2011
7642621Semicondutor device and protection circuit
In a protection circuit of an input/output terminal I/O, three types of PNP bipolar transistors are included. In a first PNP type bipolar transistor 10A, the emitter thereof is connected to the input/output terminal I/O, the base thereof is connected to a hig...
01/05/2010
7495312Method for producing vertical bipolar transistors and integrated circuit
A method for producing vertical bipolar transistors having different voltage breakdown and high-frequency performance characteristics on a single die comprises forming, for each of the vertical bipolar transistors, a buried collector region, and base and emitter reg...
02/24/2009
RE40222Electronic semiconductor power device with integrated diode
A device including an IGBT a formed on a chip of silicon consisting of a P type substrate with an N type epitaxial layer that contains a first P type region and a termination structure, and having a first P type termination region that surrounds the first region, a ...
04/08/2008
7352051Cascode, cascode circuit and method for vertical integration of two bipolar transistors into a cascode arrangement
A cascode of a high-frequency circuit, includes a first transistor having a first base semiconductor region, a first collector semiconductor region and a first emitter semiconductor region, and a second transistor having a second base semiconductor region, a second ...
04/01/2008
7341921Photodiode
The invention provides a method of manufacturing an avalanche diode comprising the steps of applying a mask (6) over an active diode region (5) in a wafer (1), and damaging the region the surrounding the active diode region by breaking bonds in ...
03/11/2008
7329940Semiconductor structure and method of manufacture
A structure comprises a single wafer with a first subcollector formed in a first region having a first thickness and a second subcollector formed in a second region having a second thickness, different from the first thickness. A method is also contemplated which in...
02/12/2008
7303968Semiconductor device and method having multiple subcollectors formed on a common wafer
A semiconductor device and a method of fabricating a semiconductor device having multiple subcollectors which are formed in a common wafer, in order to provide multiple structures having different characteristic and frequency response are provided. The subcollectors...
12/04/2007
7253498Bipolar transistor with geometry optimized for device performance, and method of making same
The present invention is generally directed to bipolar transistors with geometry optimized for device performance and various methods of making same. In one illustrative embodiment, the device includes a substrate, an intrinsic base region formed in the substrate, a...
08/07/2007
7217975Lateral type semiconductor device
A lateral semiconductor device includes: a semiconductor substrate formed on a base region therein; a plurality of emitter regions with a triangle arrangement in an upper part of the base layer and collector regions surrounding the emitter regions, respectively, apa...
05/15/2007
7215005Bipolar ESD protection structure
The invention describes the fabrication and structure of an ESD protection device for integrated circuit semiconductor devices with improved ESD protection and resiliency. A vertical bipolar npn transistor forms the basis of the protection device. To handle the larg...
05/08/2007
7202136Silicon germanium heterojunction bipolar transistor with carbon incorporation
A silicon germanium heterojunction bipolar transistor device and method comprises a semiconductor region, and a diffusion region in the semiconductor region, wherein the diffusion region is boron-doped, wherein the semiconductor region comprises a carbon dopant ther...
04/10/2007
7135747Semiconductor devices having thermal spacers
A high power, high frequency semiconductor device has a plurality of unit cells connected in parallel. The unit cells each having a controlling electrode and first and second controlled electrodes. A thermal spacer divides at least one of the unit cells into a first...
11/14/2006
7126171Bipolar transistor
A bipolar transistor of the present invention comprises a collector layer made of an n-type semiconductor and an emitter layer made of an n-type semiconductor provided on this collector layer. A gate layer for injecting p-type carriers (holes) into the emitter layer...
10/24/2006
7126167Monolithically integrated resistive structure with power IGBT (insulated gate bipolar transistor) devices
A device integrated in a semiconductor substrate of a first type of conductivity being crowned by a semiconductor layer of a second type of conductivity comprising a voltage controlled resistive structure and an IGBT device, wherein the resistive structure comprises...
10/24/2006
7106628Semiconductor device having enhanced breakdown voltage
A semiconductor device has: a main circuit including a plurality of MOS transistors operating at a first voltage; a memory requiring an operation at a second voltage higher than the first voltage; and a drive circuit for driving the memory, the drive circuit compris...
09/12/2006
7084484Semiconductor integrated circuit
A semiconductor integrated circuit including a plurality of bipolar transistors that are produced by forming, in a plurality of transistor-producing regions, a first conductive type emitter layer on the front surface side of a second conductive type base layer that ...
08/01/2006
7078257Surface emitting semiconductor laser, and method and apparatus for fabricating the same
A method of fabricating a surface emitting semiconductor laser includes a first step of forming, on a substrate, multiple monitor-use semiconductor layers having stripes radiating from a center of the substrate, and a laser portion that includes semiconductor layers...
07/18/2006
7075168Semiconductor device
A semiconductor device comprises a first base layer of a first conductive type which has a first surface and a second surface; a second base layer of a second conductive type which is formed on the first surface; first and second gate electrodes which are formed by ...
07/11/2006
7071516Semiconductor device and driving circuit for semiconductor device
A PMOS transistor (Q2) provided for developing a short circuit between the base and emitter of an N-type IGBT during turn-OFF includes a P diffusion region (5), a P diffusion region (6), and a conductive film (10) and a second gate electr...
07/04/2006
7067857Semiconductor device having led out conductor layers, manufacturing method of the same, and semiconductor module
The gist of the present invention is as follows: In a monolithic microwave integrate circuit (MMIC) using a heterojunction bipolar transistor (HBT), via holes are respectively formed from the bottom of the MMIC for the emitter, base and collector. Of the via holes, ...
06/27/2006
7064416Semiconductor device and method having multiple subcollectors formed on a common wafer
A semiconductor device and a method of fabricating a semiconductor device having multiple subcollectors which are formed in a common wafer, in order to provide multiple structures having different characteristic and frequency response are provided. The subcollectors...
06/20/2006
7037799Breakdown voltage adjustment for bipolar transistors
Devices and methods are disclosed related to a bipolar transistor device and methods of fabrication. A top region is formed at a surface of and within a base region. The top region is formed by implanting a dopant of an opposite conductivity to that of the base regi...
05/02/2006
7026875System and method for a programmable gain amplifier
Provided is system for an improved programmable gain amplifier (PGA). The system includes an amplifier and a first gain control mechanism. The first gain control mechanism includes a circuit input port and is positioned along a feedback path of the amplifier. The fi...
04/11/2006
6989580Process for manufacturing an array of cells including selection bipolar junction transistors
A process for manufacturing an array of cells, including: implanting, in a body of semiconductor material of a first conductivity type, a common conduction region of the first conductivity type; forming, in the body, above the common conduction region, a plurality o...
01/24/2006
6987301Electrostatic discharge protection
An electrostatic discharge device may provide better protection of an integrated circuit by more uniform breakdown of a plurality of finger regions. The plurality of finger regions may extend through a first region of a substrate having a first conductivity type and...
01/17/2006
6977426Semiconductor device including high speed transistors and high voltage transistors disposed on a single substrate
In a semiconductor device comprising a first bipolar transistor and a second bipolar transistor having different voltages formed on a semiconductor substrate made by forming an epitaxial layer on a silicon substrate, in an upper part of the silicon substrate the fir...
12/20/2005
6900519Diffused extrinsic base and method for fabrication
The present invention provides a unique device structure and method that provides increased transistor performance in integrated bipolar circuit devices. The preferred embodiment of the present invention provides improved high speed performance by providing reduced ...
05/31/2005
6881976Heterojunction BiCMOS semiconductor
A BiCMOS semiconductor, and manufacturing method therefore, is provided. A semiconductor substrate having a collector region is provided. A pseudo-gate is formed over the collector region. An emitter window is formed in the pseudo-gate to form an extrinsic base stru...
04/19/2005
6876060Complimentary bipolar transistor
An NPN transistor having an epitaxial region of an N-type silicon/P-type silicon germanium/N-type silicon structure, and a PNP transistor having an epitaxial region of a P-type silicon/N-type silicon germanium/P-type silicon structure are formed on a silicon substra...
04/05/2005
6815801Vertical bipolar transistor and a method of manufacture therefor including two epitaxial layers and a buried layer
The present invention provides a vertical bipolar transistor 110, a method of manufacture therefor, and an integrated circuit including the same. The vertical bipolar transistor 110 may include, in one embodiment, a second epitaxial layer 140 lo...
11/09/2004
6806555Semiconductor component and method for fabricating it
A semiconductor component and a method for fabricating it includes a substrate and an epitaxial layer situated thereon and integrating at least a first and a second bipolar component in the layer. The first and second bipolar components have a buried layer and diffe...
10/19/2004
6803643Compact non-linear HBT array
HBTs in an HBT array are configured non-linearly, i.e., staggered, thus reducing the impact of thermal coupling between adjacent HBTs in the array and bypassing the minimum collector-to-collector spacing design rules required for a linear HBT array. Using this non-l...
10/12/2004
6794730High performance PNP bipolar device fully compatible with CMOS process
A pnp bipolar junction transistor is formed with improved emitter efficiency by reducing the depth of the p well implant to increase carrier concentration in the emitter and making the emitter junction deeper to increase minority lifetime in the emitter. The high ga...
09/21/2004
6784499Semiconductor device serving as a protecting element
The protecting element includes an NPN transistor having an emitter connected to an input/output terminal and a collector and a base connected to a ground terminal. The input/output terminal has the possibility of receiving a surge voltage. The input/output terminal...
08/31/2004
6764918Structure and method of making a high performance semiconductor device having a narrow doping profile
A structure and method of making an NPN heterojunction bipolar transistor (100) includes a semiconductor substrate (11) with a first region (82) containing a dopant (86) for forming a base region of the transistor. A second region (84
07/20/2004
6750528Bipolar device
An integrated electronic device includes a semiconductor substrate layer having a major surface formed along a crystal plane. In one embodiment a first conductivity type region is formed in the substrate layer and a substantially monocrystalline semiconductor layer ...
06/15/2004
6744115Semiconductor device and process of production of same
A semiconductor device comprising: a first insulating film formed on a semiconductor substrate; a semiconductor layer at least a part of which is formed on the first insulating film; a second insulating film comprising a non-doped silicon oxide film and formed on th...
06/01/2004
6737722Lateral transistor having graded base region, semiconductor integrated circuit and fabrication method thereof
The lateral pnp transistor encompasses a p-type semiconductor substrate, an n-type first buried region disposed on the semiconductor substrate, an n-type uniform base region disposed on the first buried region, an n-type first plug region disposed in the uniform bas...
05/18/2004
6693344Semiconductor device having low and high breakdown voltage transistors
A base of a low breakdown voltage npn bipolar transistor has p+ diffusion layers. A field insulating layer is formed on the p+ diffusion layer located between the p+ diffusion layer and an emitter, while the p+ ...
02/17/2004
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