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Class 438/341 - Using epitaxial lateral overgrowth


Subclass of Class 438 - Semiconductor device manufacturing: process
Definition: Process for making a bipolar transistor including forming
No. of patents: 124
Last issue date: 09/13/2011


1        
NumberTitleIssue Date
8017489Field effect structure including carbon alloyed channel region and source/drain region not carbon alloyed
A semiconductor structure and a method for fabricating the semiconductor structure provide a field effect device structure. The field effect device structure includes a gate electrode located over a channel region within a semiconductor substrate that separates a pl...
09/13/2011
7919381Germanium substrate-type materials and approach therefor
Germanium circuit-type structures are facilitated. In one example embodiment, a multi-step growth and anneal process is implemented to grow Germanium (Ge) containing material, such as heteroepitaxial-Germanium, on a substrate including Silicon (Si) or Silicon-contai...
04/05/2011
7888225Method of manufacturing an electronic device including a PNP bipolar transistor
A method of manufacturing an electronic device including a PNP bipolar transistor comprises forming a collector in a substrate, depositing a base layer and an emitter layer on the substrate, and growing a nitride interface layer on the base layer as a base current m...
02/15/2011
7875522Silicon compatible integrated light communicator
Various methods and devices are implemented using efficient silicon compatible integrated light communicators. According to one embodiment of the present invention, a semiconductor device is implemented for communicating light, such as by detecting, modulating or em...
01/25/2011
7838376Non-destructive inline epi pattern shift monitor using selective epi
Integrated circuits using buried layers under epitaxial layers present a challenge in aligning patterns for surface components to the buried layers, because the epitaxial material over the buried layer diminishes the visibility of and shifts the apparent position of...
11/23/2010
7772078Germanium substrate-type materials and approach therefor
Germanium circuit-type structures are facilitated. In one example embodiment, a multi-step growth and anneal process is implemented to grow Germanium (Ge) containing material, such as heteroepitaxial-Germanium, on a substrate including Silicon (Si) or Silicon-contai...
08/10/2010
7405098Smooth surface liquid phase epitaxial germanium
A method is provided for forming a liquid phase epitaxial (LPE) germanium (Ge)-on-insulator (GOI) thin-film with a smooth surface. The method provides a silicon (Si) wafer, forms a silicon nitride insulator layer overlying the Si wafer, and selectively etches the si...
07/29/2008
7364976Selective etch for patterning a semiconductor film deposited non-selectively
A method to selectively etch, and hence pattern, a semiconductor film deposited non-selectively is described. In one embodiment, a carbon-doped silicon film is deposited non-selectively such that the film forms an epitaxial region where deposited on a crystalline su...
04/29/2008
7354835Method of fabricating CMOS transistor and CMOS transistor fabricated thereby
In a method of fabricating a CMOS transistor, and a CMOS transistor fabricated according to the method, the characteristics of first and second conductivity type MOS transistors are both simultaneously improved. At the same time, the fabrication process is simplifie...
04/08/2008
7354820Heterojunction bipolar transistor with dielectric assisted planarized contacts and method for fabricating
A method for fabricating an HBT is disclosed, wherein successive emitter, base, collector and sub-collector epitaxial layers are deposited on a substrate, with the substrate being adjacent to the sub-collector layer. The epitaxial layers are etched to provide locati...
04/08/2008
7291898Selective and non-selective epitaxy for base integration in a BiCMOS process and related structure
According to one exemplary embodiment, a bipolar transistor includes an active area situated between first and second isolation regions in a substrate. The bipolar transistor further includes an epitaxial extension layer situated on the active area, where the epitax...
11/06/2007
7271023Floating body germanium phototransistor
A floating body germanium (Ge) phototransistor and associated fabrication process are presented. The method includes: providing a silicon (Si) substrate; selectively forming an insulator layer overlying the Si substrate; forming an epitaxial Ge layer overlying the i...
09/18/2007
7265018Method to build self-aligned NPN in advanced BiCMOS technology
The present invention provides a method of forming a self-aligned heterobipolar transistor (HBT) device in a BiCMOS technology. The method includes forming a raised extrinsic base structure by using an epitaxial growth process in which the growth rate between single...
09/04/2007
7241700Methods for post offset spacer clean for improved selective epitaxy silicon growth
A gate structure is formed overlying a substrate. A source/drain region of the substrate is exposed to a soluction comprising ammonium hydroxide, hydrogen peroxide, and deionized water to etch an upper-most semiconductor porton of the source/drain region. ...
07/10/2007
7226844Method of manufacturing a bipolar transistor with a single-crystal base contact
A method forms a bipolar transistor in a semiconductor substrate of a first conductivity type. The method includes: forming on the substrate a single-crystal silicon-germanium layer; forming a heavily-doped single-crystal silicon layer of a second conductivity type;...
06/05/2007
7217665Method of plasma etching high-K dielectric materials with high selectivity to underlying layers
A method of plasma etching a layer of dielectric material having a dielectric constant that is greater than four (4). The method includes exposing the dielectric material layer to a plasma comprising a hydrocarbon gas and a halogen containing gas. ...
05/15/2007
7202514Self aligned compact bipolar junction transistor layout and method of making same
The invention relates to a process of forming a bipolar junction transistor (BJT) that includes forming a topology over a substrate. Thereafter, a spacer is formed at the topology. A base layer is formed from epitaxial silicon above the spacer and at the topology. A...
04/10/2007
7199017Methods of forming semiconductor circuitry
The invention includes a method of forming semiconductor circuitry. A monocrystalline silicon substrate is provided, and a mask is formed which covers a first portion of the substrate and leaves a second portion uncovered. A trench is formed in the uncovered portion...
04/03/2007
7195985CMOS transistor junction regions formed by a CVD etching and deposition sequence
This invention adds to the art of replacement source-drain cMOS transistors. Processes may involve etching a recess in the substrate material using one equipment set, then performing deposition in another. Disclosed is a method to perform the etch and subsequent dep...
03/27/2007
7192838Method of producing complementary SiGe bipolar transistors
Method of producing complementary SiGe bipolar transistors. In a method of producing complementary SiGe bipolar transistors, interface oxide layers (38, 58) for NPN and PNP emitters (44, 64), are separately formed and emitter polysilicon (40, 60...
03/20/2007
7169226Defect reduction by oxidation of silicon
A method of fabricating high-quality, substantially relaxed SiGe-on-insulator substrate materials which may be used as a template for strained Si is described. A silicon-on-insulator substrate with a very thin top Si layer is used as a template for compressively str...
01/30/2007
7151035Semiconductor device and manufacturing method thereof
A sidewall-insulation film 9 is provided on a side surface of a first opening portion 8a formed in a base extraction electrode 5B of a hetero-junction bipolar transistor, and a portion of the sidewall-insulation film 9 extends so a...
12/19/2006
7141478Multi-stage EPI process for forming semiconductor devices, and resulting device
The present invention is generally directed to a multi-stage epi process for forming semiconductor devices, and the resulting device. In one illustrative embodiment, the method comprises forming a first layer of epitaxial silicon above a surface of a semiconducting ...
11/28/2006
7128846Process for producing group III nitride compound semiconductor
A method including the steps of: modifying at least one part of a sapphire substrate by dry etching to thereby form any one of a dot shape, a stripe shape, a lattice shape, etc. as an island shape on the sapphire substrate; forming an AlN buffer layer on the sapphir...
10/31/2006
7118981Method of fabricating an integrated silicon-germanium heterobipolar transistor and an integrated silicon-germanium heterobipolar transistor
In a method of fabricating an integrated silicon-germanium heterobipolar transistor a silicon dioxide layer arranged between a silicon-germanium base layer and a silicon emitter layer is formed by means of Rapid Thermal Processing (RTP) to ensure enhanced component ...
10/10/2006
7091056Method of manufacturing a semiconductor light emitting device, semiconductor light emitting device, method of manufacturing a semiconductor device, semiconductor device, method of manufacturing a device, and device
When a semiconductor light emitting device or a semiconductor device is manufactured by growing nitride III–V compound semiconductor layers, which will form a light emitting device structure or a device structure, on a nitride III–V compound semiconductor substr...
08/15/2006
7078353Indirect bonding with disappearance of bonding layer
The invention provides a method of producing a structure of a thin layer of semiconductor material on a support substrate. The thin layer is obtained from a donor substrate and includes an upper layer of semiconductor material. The method includes forming on the upp...
07/18/2006
7074685Method of fabrication SiGe heterojunction bipolar transistor
A method of fabricating a semiconductor device includes a SiGe(C) heterojunction bipolar transistor using a non-selective epitaxial growth where an insulating layer is formed on a substrate and a layer structure including a conductive layer is provided on the insula...
07/11/2006
7071039Manufacturing method of partial SOI wafer, semiconductor device using the partial SOI wafer and manufacturing method thereof
A semiconductor device includes a first semiconductor region having a buried oxide layer formed therein, a second semiconductor region in which the buried oxide layer does not exist, a trench formed to such a depth as to reach at least the buried oxide layer in a bo...
07/04/2006
7049240Formation method of SiGe HBT
A method for forming a SiGe HBT, which combines a SEG and Non-SEG growth, is disclosed. The SiGe base layer is deposited by a Non-SEG method. Then, the first-emitter layer is developed directly upon the SiGe base layer that has a good interface quality between the b...
05/23/2006
7037798Bipolar transistor structure with self-aligned raised extrinsic base and methods
The invention includes methods of fabricating a bipolar transistor that adds a silicon germanium (SiGe) layer or a third insulator layer of, e.g., high pressure oxide (HIPOX), atop an emitter cap adjacent the intrinsic base prior to forming a link-up layer. This add...
05/02/2006
7033901Buried power buss utilized as a ground strap for high current, high power semiconductor devices and a method for providing the same
A method and system for providing a ground strap on a semiconductor device is disclosed. The method and system includes providing a substrate region and providing an epitaxial (EPI) layer over the substrate region. The method and system includes etching a plurality ...
04/25/2006
6979884Bipolar transistor having self-aligned silicide and a self-aligned emitter contact border
The present invention provides a bipolar transistor having a raised extrinsic base silicide and an emitter contact border that are self-aligned. The bipolar transistor of the present invention exhibit reduced parasitics as compared with bipolar transistors that do n...
12/27/2005
6977204Method for forming contact plug having double doping distribution in semiconductor device
The present invention provides a method for forming a contact plug in a semiconductor device capable of preventing an increase of contact resistance caused by a decrease in dopant concentration and suppressing diffusions of dopants implanted into the contact. The do...
12/20/2005
6965132Polycrystalline silicon emitter having an accurately controlled critical dimension
According to a disclosed embodiment, an etch stop layer is fabricated on top of a base. An amorphous layer is then formed on top of the etch stop layer. An opening is then etched in the amorphous layer and the etch stop layer. The opening is etched with an opening w...
11/15/2005
6881650Method for forming SOI substrate
A method for forming SOI substrates including a SOI layer containing germanium and a strained silicon layer disposed on the SOI layer, comprises forming a relaxed silicon-germanium layer on a first silicon substrate using an epitaxial growth method, and forming a po...
04/19/2005
6855620Method for fabricating Group III nitride compound semiconductor substrates and semiconductor devices
A GaN layer 31 is subjected to etching, so as to form an island-like structure having, for example, a dot, stripe, or grid shape, thereby providing a trench/mesa structure including mesas and trenches whose bottoms sink into the surface of a substrate base
02/15/2005
6841457Use of hydrogen implantation to improve material properties of silicon-germanium-on-insulator material made by thermal diffusion
A method of forming a relaxed SiGe-on-insulator substrate having enhanced relaxation, significantly lower defect density and improved surface quality is provided. The method includes forming a SiGe alloy layer on a surface of a first single crystal Si layer. The fir...
01/11/2005
6818521Method of manufacturing a hetero-junction bipolar transistor with epitaxially grown multi-layer films and annealing at or below 600° C.
This invention provides a method for manufacturing a hetero-junction bipolar transistor, in which a hole concentration of a base layer doped with carbon can be increased. The method comprises the following steps. 1) A sub-collector 30, a collector 50, ...
11/16/2004
6784063Method for fabricating BiCMOS transistor
The present invention discloses a method for fabricating a BiCMOS transistor, which improves the high frequency characteristics of a bipolar transistor by reducing base resistance and a parasitic capacitance between the base and collector. The method comprises the s...
08/31/2004
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