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Class Information
Number: 438/314
Name: Semiconductor device manufacturing: process > Forming bipolar transistor by formation or alteration of semiconductive active regions > Having heterojunction > And additional electrical device
Description: Process for making a heterojunction bipolar transistor and an additional electrical device.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8609502 Method of manufacturing semiconductor device including insulated gate bipolar transistor and diode Dec. 17, 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
8450162 HBT and field effect transistor integration May. 28, 2013
8420494 Distributed channel bipolar devices and architectures Apr. 16, 2013
8237191 Heterojunction bipolar transistors and methods of manufacture Aug. 7, 2012
8124489 Monolithic microwave integrated circuit device and method of forming the same Feb. 28, 2012
8048739 Method of manufacturing flash memory device Nov. 1, 2011
7972936 Method of fabrication of heterogeneous integrated circuits and devices thereof Jul. 5, 2011
7939407 Composite charge storage structure formation in non-volatile memory using etch stop technologies May. 10, 2011
7923318 HBT and field effect transistor integration Apr. 12, 2011
7892943 Isolation trenches for memory devices Feb. 22, 2011
7867844 Methods of forming NAND cell units Jan. 11, 2011
7727847 Method for manufacturing display device Jun. 1, 2010
7709335 Method of manufacturing semiconductor device including isolation process May. 4, 2010
7682919 Semiconductor process and PMOS varactor Mar. 23, 2010
7638820 Contact method for thin silicon carbide epitaxial layer and semiconductor devices formed by those methods Dec. 29, 2009
7625803 Memory devices, electronic systems, and methods of forming memory devices Dec. 1, 2009
7439144 CMOS gate structures fabricated by selective oxidation Oct. 21, 2008
7176098 Semiconductor element and method for fabricating the same Feb. 13, 2007
7166517 Semiconductor device and method of manufacture thereof Jan. 23, 2007
7132320 Method for manufacturing semiconductor device Nov. 7, 2006
7037799 Breakdown voltage adjustment for bipolar transistors May. 2, 2006
7018884 Method for a parallel production of an MOS transistor and a bipolar transistor Mar. 28, 2006
6953728 Semiconductor device and method of manufacturing thereof Oct. 11, 2005
6951790 Method of forming select lines for NAND memory devices Oct. 4, 2005
6919615 Semiconductor device for integrated injection logic cell and process for fabricating the same Jul. 19, 2005
6911369 Discontinuity prevention for SiGe deposition Jun. 28, 2005
6894362 Method and apparatus for a self-aligned heterojunction bipolar transistor using dielectric assisted metal liftoff process May. 17, 2005
6828205 Method using wet etching to trim a critical dimension Dec. 7, 2004
6800532 Method of manufacturing a semiconductor device comprising a bipolar transistor and a variable capacitor Oct. 5, 2004
6784063 Method for fabricating BiCMOS transistor Aug. 31, 2004
6780725 METHOD FOR FORMING A SEMICONDUCTOR DEVICE INCLUDING FORMING VERTICAL NPN AND PNP TRANSISTORS BY EXPOSING THE EPITAXIAL LAYER, FORMING A MONOCRYSTAL LAYER AND ADJUSTING THE IMPURITY CONCENTRATI Aug. 24, 2004
6767774 Producing multi-color stable light emitting organic displays Jul. 27, 2004
6746928 Method for opening a semiconductor region for fabricating an HBT Jun. 8, 2004
6727146 Semiconductor device and method of manufacturing thereof Apr. 27, 2004
6723476 Methods of patterning materials; and photomasks Apr. 20, 2004
6649458 Method for manufacturing semiconductor device with hetero junction bipolar transistor Nov. 18, 2003
6645875 Method of processing metal and method of manufacturing semiconductor device using the metal Nov. 11, 2003
6624051 Semiconductor thin film and semiconductor device Sep. 23, 2003
6548354 Process for producing a semiconductor memory device comprising mass-storage memory cells and shielded memory cells for storing reserved information Apr. 15, 2003
6514878 Method of fabricating a semiconductor device having a multilayered interconnection structure Feb. 4, 2003
6458668 Method for manufacturing hetero junction bipolar transistor Oct. 1, 2002
6429085 Self-aligned non-selective thin-epi-base silicon germaniun (SiGe) heterojunction bipolar transistor BiCMOS process using silicon dioxide etchback Aug. 6, 2002
6420745 Nonvolatile ferroelectric memory and its manufacturing method Jul. 16, 2002
6406965 Method of fabricating HBT devices Jun. 18, 2002
6403436 Semiconductor device and method of manufacturing the same Jun. 11, 2002
6395607 Integrated circuit fabrication method for self-aligned copper diffusion barrier May. 28, 2002
6376292 Self-aligning photolithography and method of fabricating semiconductor device using the same Apr. 23, 2002
6335255 Manufacturing a heterobipolar transistor and a laser diode on the same substrate Jan. 1, 2002

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