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Class 257/E27.015 - In combination with bipolar transistor (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
No. of patents: 517
Last issue date: 06/10/2008


1                      
NumberTitleIssue Date
7385236BiFET semiconductor device having vertically integrated FET and HBT
The invention provides a BiFET semiconductor device vertically integrating a FET and a HBT on the same substrate. The BiFET semiconductor device comprises a HBT structure, a high-resistivity structure, and a FET structure, sequentially formed in this order from bott...
06/10/2008
7307328Semiconductor device with temperature sensor
A semiconductor device is disclosed. In one embodiment the semiconductor device includes a semiconductor body of which is integrated a temperature sensor for measuring the temperature prevailing in the semiconductor body. The temperature sensor has a MOS transistor ...
12/11/2007
7285454Bipolar transistors with low base resistance for CMOS integrated circuits
Complementary metal-oxide-semiconductor (CMOS) integrated circuits with bipolar transistors and methods for fabrication are provided. A bipolar transistor may have a lightly-doped base region. To reduce the resistance associated with making electrical contact to the...
10/23/2007
7285830Lateral bipolar junction transistor in CMOS flow
An improved lateral bipolar junction transistor and a method of forming such a lateral bipolar transistor without added mask in CMOS flow on a p-substrate are disclosed. The CMOS flow includes patterning and n-well implants; pattern and implant pocket implants for c...
10/23/2007
7271070Method for producing transistors
The invention relates to a method for producing integrable semiconductor components, especially transistors or logic gates, using a p-doped semiconductor substrate. First of all, a mask is applied to the semiconductor substrate in order to define a window that is de...
09/18/2007
7262472Semiconductor device having stress and its manufacture method
A semiconductor device has: active regions including a p-type active region; an insulated gate electrode structure formed on each of the active regions, and having a gate insulating film and a gate electrode formed thereon; side wall spacers formed on side walls of ...
08/28/2007
7205657Complimentary lateral nitride transistors
A semiconductor device which includes a laterally extending stack of laterally adjacent conductive semiconductor regions formed over a support surface of a substrate, and a method for fabricating the device. ...
04/17/2007
7198998Method of manufacturing bipolar-complementary metal oxide semiconductor
A method of manufacturing a bipolar-complementary metal oxide semiconductor (BiCMOS) is provided. A gate in a CMOS area and a conductive layer pattern defining an opening, which opens an active region in a bipolar transistor area, are simultaneously formed by patter...
04/03/2007
7095094Multiple doping level bipolar junctions transistors and method for forming
A process for forming bipolar junction transistors having a plurality of different collector doping densities on a semiconductor substrate and an integrated circuit comprising bipolar junction transistors having a plurality of different collector doping densities. A...
08/22/2006
7015519Structures and methods for fabricating vertically integrated HBT/FET device
Methods and systems for fabricating integrated pairs of HBT/FET's are disclosed. One preferred embodiment comprises a method of fabricating an integrated pair of GaAs-based HBT and FET. The method comprises the steps of: growing a first set of epitaxial layers for f...
03/21/2006
6703685Super self-aligned collector device for mono-and hetero bipolar junction transistors
The invention relates to a process of forming a compact bipolar junction transistor (BJT) that includes forming a self-aligned collector tap adjacent the emitter stack and an isolation structure. A base layer is formed from epitaxial silicon that is dispo...
03/09/2004
6700144Semiconductor device and method for manufacturing the same
A semiconductor device includes the following: a semiconductor substrate of a first conduction type; an intrinsic semiconductor layer of the first conduction type formed on the semiconductor substrate; a first semiconductor layer of a second conduction ty...
03/02/2004
6690212Inductive load driving circuit
An inductive load driving circuit includes a switching transistor and a guardring. The switching transistor is connected between an output terminal and a power supply potential point. The guardring is an N-type semiconductor region provided for the switch...
02/10/2004
6667202Semiconductor device and method for making the same
A semiconductor device which has: a bipolar transistor having a collector region of a second conductivity type formed from the surface of a semiconductor substrate of a first conductivity type, a base region of a first conductivity type formed from the su...
12/23/2003
6667521Bipolar transistor with raised extrinsic base fabricated in an integrated BiCMOS circuit
A process for forming a bipolar transistor with a raised extrinsic base, an emitter, and a collector integrated with a CMOS circuit with a gate. An intermediate semiconductor structure is provided having CMOS and bipolar areas. An intrinsic base layer is ...
12/23/2003
6649983Vertical bipolar transistor formed using CMOS processes
A vertical bipolar transistor is described which utilizes ion implantation steps which are used to form an nMOS field effect device and a pMOS field effect device. The implantation steps form an n-well, a p-well region, a pocket base region and an emitter...
11/18/2003
6646311Vertical bipolar transistor formed using CMOS processes
A vertical bipolar transistor is described which utilizes ion implantation steps which are used to form an nMOS field effect device and a pMOS field effect device. The implantation steps form an n-well, a channel stop p-well region and emitter region whic...
11/11/2003
6639294Semiconductor device having a device formation region protected from a counterelectromotive force
A semiconductor device includes an epitaxial layer formed on a P type silicon substrate; a P+ diffusion layer for dividing the epitaxial layer into an N- epi layer, which constitutes a device formation region, and an N- epi layer, which constitutes an inv...
10/28/2003
6638806Semiconductor device and method of fabricating the same
A collector region is formed on a semiconductor substrate. An emitter electrode, an external base electrode and a gate electrode are formed on the semiconductor substrate. The position of the interface between the gate electrode and the semiconductor subs...
10/28/2003
6633063Low voltage transient voltage suppressor and method of making
A method of providing a Transient Voltage Suppression (TVS) device is described utilizing a Metal Oxide Semiconductor (MOS) structure and an Insulated Gate Bipolar Transistor (IGBT) structure. The MOS based TVS devices offer reduced leakage current with r...
10/14/2003
6630377Method for making high-gain vertical bipolar junction transistor structures compatible with CMOS process
An improved NPN bipolar transistor integratable with CMOS FET processing is achieved. The transistor is formed on a substrate using a CMOS process and one additional masking and implant step. The CMOS N wells are used to form the collector contacts (reach...
10/07/2003
6620653Semiconductor device and method of manufacturing the same
A negative buffer layer and a positive collector layer are formed on a side of one surface of a semiconductor substrate. The positive collector layer is set to have a low dose amount and set shallow so that a low injection efficiency emitter structure is ...
09/16/2003
6617647Insulated gate semiconductor device and method of manufacturing the same
Dot-pattern-like impurity regions 104 are artificially and locally formed on a channel forming region 103. The impurity regions 104 restrain the expansion of a drain side depletion layer toward the channel forming region 103 to prevent the short channel e...
09/09/2003
6607960Bipolar transistor manufacturing method
A method of manufacturing a bipolar transistor in a P-type substrate, including the steps of forming in the substrate a first N-type area; forming by epitaxy a first silicon layer; forming in this first layer, and substantially above the first area a seco...
08/19/2003
6586780Semiconductor device for supplying output voltage according to high power supply voltage
A semiconductor device includes a p type semiconductor substrate, a first n type region formed at the semiconductor substrate, a first n channel DMOS transistor formed in the first n type region, a second n type region formed at the semiconductor substrat...
07/01/2003
6576535Carbon doped epitaxial layer for high speed CB-CMOS
A method for fabricating a high speed complementary bipolar/CMOS device is disclosed which enables the forming of a silicon epitaxial layer in a PNP transistor having carbon incorporated therein to suppress boron up-diffusion from lower heavily boron-dope...
06/10/2003
6570229Semiconductor device
An insulated gate N-channel field effect transistor has a P-type semiconductor substrate, an N-type epitaxial layer disposed on the P-type semiconductor substrate, and a gate insulating film disposed on the N-type epitaxial layer. An N-type high concentra...
05/27/2003
6570242Bipolar transistor with high breakdown voltage collector
A transistor that includes a doped buried region 320 within a semiconductor body 300, 340. The doped buried region includes a portion having a first thickness 348 and a second thickness, the first thickness being less than the second thickness. In one emb...
05/27/2003
6569744Method of converting a metal oxide semiconductor transistor into a bipolar transistor
The present invention provides a method of manufacturing a bipolar transistor. The method includes producing an opening in a dielectric layer located over a substrate and forming a collector in the substrate by implanting a first dopant through the openin...
05/27/2003
6559505Power integrated circuit with vertical current flow and related manufacturing process
Integrated circuit including a power component with vertical current flow and at least one low or medium voltage component, the at least one low or medium voltage component formed in a first semiconductor layer separated from a second semiconductor layer ...
05/06/2003
6555871Flash memory device having a bipolar transistor formed integral thereto and a method of manufacture therefor
The present invention provides a bipolar transistor for use in increasing a speed of a flash memory cell having a source region and a drain region and first and second complementary tubs. In one embodiment, a base for the bipolar transistor is located in ...
04/29/2003
6537887Integrated circuit fabrication
An integrated circuit and a process for making the same are provided. The circuit has a nitrogen implanted emitter window, wherein the nitrogen has been implanted into the emitter window after the emitter window etch, but prior to the emitter conductor de...
03/25/2003
6528826Depletion type MOS semiconductor device and MOS power IC
A depletion type MOS semiconductor device is provided which includes a p- well region formed in a surface layer of an n- drift layer, an n+ emitter region formed in a surface layer of the p31 well region, an n
03/04/2003
6501152Advanced lateral PNP by implant negation
A lateral NPN transistor (LPNP) (102) having the lightly doped drain extension implant blocked from the emitter region (118) but not the collector region (120). Accordingly, the emitter region (118) has a more abrupt junction for high emitter injection ef...
12/31/2002
6501330Signal processing semiconductor integrated circuit device
A semiconductor integrated circuit comprising a first circuit block including an oscillation circuit considered to be a noise generator and a second circuit block including circuits considered to be easily affected by a noise generated by the oscillation ...
12/31/2002
6492238Bipolar transistor with raised extrinsic base fabricated in an integrated BiCMOS circuit
A process for forming a bipolar transistor with a raised extrinsic base, an emitter, and a collector integrated with a CMOS circuit with a gate. An intermediate semiconductor structure is provided having CMOS and bipolar areas. An intrinsic base layer is ...
12/10/2002
6489665Lateral bipolar transistor
A substantially concentric lateral bipolar transistor and the method of forming same. A base region is disposed about a periphery of an emitter region, and a collector region is disposed about a periphery of the base region to form the concentric lateral ...
12/03/2002
6476450BICMOS semiconductor integrated circuit device and fabrication process thereof
Provided is a BiCOMOS semiconductor integrated circuit device which comprises a semiconductor substrate having an insulating layer internally and partially embedded therein and a semiconductor layer deposited on the insulating layer, an insulated gate typ...
11/05/2002
6472753BICMOS semiconductor integrated circuit device and fabrication process thereof
Provided is a BiCOMOS semiconductor integrated circuit device which comprises a semiconductor substrate having an insulating layer internally and partially embedded therein and a semiconductor layer deposited on the insulating layer, an insulated gate typ...
10/29/2002
6469362High-gain pnp bipolar junction transistor in a CMOS device and method for forming the same
An integrated circuit device includes a semiconductor substrate, an NMOS, a PMOS contiguous with the NMOS, and a composite pnp bipolar junction transistor contiguous with the NMOS. The composite pnp bipolar junction transistor includes a lateral npn bipol...
10/22/2002
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