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Class Information
Number: 438/364
Name: Semiconductor device manufacturing: process > Forming bipolar transistor by formation or alteration of semiconductive active regions > Self-aligned
Description: Process wherein a previously formed device feature is utilized to make device regions in the desired registration to the previously formed feature.










Sub-classes under this class:

Class Number Class Name Patents
438/369 Dopant implantation or diffusion 204
438/365 Forming active region from adjacent doped polycrystalline or amorphous semiconductor 255


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8609502 Method of manufacturing semiconductor device including insulated gate bipolar transistor and diode Dec. 17, 2013
8603883 Interface control in a bipolar junction transistor Dec. 10, 2013
8574994 HBT with emitter electrode having planar side walls Nov. 5, 2013
8507352 Method of manufacturing semiconductor device including insulated gate bipolar transistor and diode Aug. 13, 2013
8486797 Bipolar junction transistor with epitaxial contacts Jul. 16, 2013
8440997 Nanowire photodetector and image sensor with internal gain May. 14, 2013
8431966 Method of manufacturing a bipolar transistor semiconductor device and semiconductor devices obtained thereby Apr. 30, 2013
8153496 Self-aligned process and method for fabrication of high efficiency solar cells Apr. 10, 2012
8115280 Four-terminal gate-controlled LVBJTs Feb. 14, 2012
8106445 Nonvolatile semiconductor memory device and method of manufacturing the same Jan. 31, 2012
8008216 Nitrogen profile in high-K dielectrics using ultrathin disposable capping layers Aug. 30, 2011
7935601 Method for providing semiconductors having self-aligned ion implant May. 3, 2011
7935606 Transistor manufacture May. 3, 2011
7875523 HBT with emitter electrode having planar side walls Jan. 25, 2011
7842573 Virtual ground memory array and method therefor Nov. 30, 2010
7838378 Semiconductor device and manufacturing method thereof Nov. 23, 2010
7763523 Method for forming device isolation structure of semiconductor device using annealing steps to anneal flowable insulation layer Jul. 27, 2010
7732292 Bipolar transistor with self-aligned retrograde extrinsic base implant profile and self-aligned silicide Jun. 8, 2010
7709338 BiCMOS devices with a self-aligned emitter and methods of fabricating such BiCMOS devices May. 4, 2010
7701038 High-gain vertex lateral bipolar junction transistor Apr. 20, 2010
7696034 Methods of base formation in a BiCOMS process Apr. 13, 2010
7642168 System and method for providing a self aligned bipolar transistor using a sacrificial polysilicon external base Jan. 5, 2010
7605026 Self-aligned transparent metal oxide TFT on flexible substrate Oct. 20, 2009
7598536 Semiconductor device having load resistor and method of fabricating the same Oct. 6, 2009
7557010 Method to improve writer leakage in a SiGe bipolar device Jul. 7, 2009
7521313 Thin film device active matrix by pattern reversal process Apr. 21, 2009
7494887 Method and apparatus for fabricating heterojunction bipolar transistors with simultaneous low base resistance and short base transit time Feb. 24, 2009
7435659 Method for manufacturing a semiconductor device having an alignment feature formed using an N-type dopant and a wet oxidation process Oct. 14, 2008
7341920 Method for forming a bipolar transistor device with self-aligned raised extrinsic base Mar. 11, 2008
7338875 Method of fabricating a semiconductor device having a toroidal-like junction Mar. 4, 2008
7285470 Method for the production of a bipolar semiconductor component, especially a bipolar transistor, and corresponding bipolar semiconductor component Oct. 23, 2007
7282418 Method for fabricating a self-aligned bipolar transistor without spacers Oct. 16, 2007
7273789 Method of fabricating heterojunction bipolar transistor Sep. 25, 2007
7157345 Source side injection storage device and method therefor Jan. 2, 2007
7151035 Semiconductor device and manufacturing method thereof Dec. 19, 2006
6979626 Method for fabricating a self-aligned bipolar transistor having increased manufacturability and related structure Dec. 27, 2005
6939761 Methods of forming buried bit line DRAM circuitry Sep. 6, 2005
6939768 Method of forming self-aligned contacts Sep. 6, 2005
6933202 Method for integrating SiGe NPN and vertical PNP devices on a substrate and related structure Aug. 23, 2005
6919615 Semiconductor device for integrated injection logic cell and process for fabricating the same Jul. 19, 2005
6900519 Diffused extrinsic base and method for fabrication May. 31, 2005
6869854 Diffused extrinsic base and method for fabrication Mar. 22, 2005
6869852 Self-aligned raised extrinsic base bipolar transistor structure and method Mar. 22, 2005
6867105 Bipolar transistor and method of fabricating a bipolar transistor Mar. 15, 2005
6861327 Method for manufacturing gate spacer for self-aligned contact Mar. 1, 2005
6844225 Self-aligned mask formed utilizing differential oxidation rates of materials Jan. 18, 2005
6815347 Method of forming a reflective electrode Nov. 9, 2004
6812107 Method for improved alignment tolerance in a bipolar transistor Nov. 2, 2004
6809353 Method for fabricating a self-aligned bipolar transistor with planarizing layer and related structure Oct. 26, 2004
6797578 Method for fabrication of emitter of a transistor and related structure Sep. 28, 2004

1 2 3










 
 
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