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Class Information
Number: 438/353
Name: Semiconductor device manufacturing: process > Forming bipolar transistor by formation or alteration of semiconductive active regions > Including isolation structure
Description: Process for making a bipolar transistor having a structure which serves to at least partially electrically isolate the semiconductive region in which the transistor is formed from laterally adjacent semiconductive regions.


Sub-classes under this class:

Class Number Class Name Patents
438/359 Dielectric isolation formed by grooving and refilling with dielectrical material 187
438/354 Having semi-insulative region 23
438/356 Isolation by pn junction only 32
438/362 Recessed oxide by localized oxidation (i.e., locos) 124
438/355 Total dielectrical isolation 93


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7611953 Bipolar transistor with isolation and direct contacts Nov. 3, 2009
7595253 Method of forming the semiconductor device Sep. 29, 2009
7541249 Process for producing a base connection of a bipolar transistor Jun. 2, 2009
7485943 Dielectric isolation type semiconductor device and manufacturing method therefor Feb. 3, 2009
7393731 Semiconductor device and method of manufacturing the same Jul. 1, 2008
7371650 Method for producing a transistor structure May. 13, 2008
7364957 Method and apparatus for semiconductor device with improved source/drain junctions Apr. 29, 2008
7354812 Multiple-depth STI trenches in integrated circuit fabrication Apr. 8, 2008
7205631 Poly-silicon stringer fuse Apr. 17, 2007
7196394 Method and apparatus for a deposited fill layer Mar. 27, 2007
7172914 Method of making uniform oxide layer Feb. 6, 2007
7135364 Method of fabricating semiconductor integrated circuit Nov. 14, 2006
7125780 Dielectric isolation type semiconductor device and method for manufacturing the same Oct. 24, 2006
7122431 Methods of fabrication metal oxide semiconductor (MOS) transistors having buffer regions below source and drain regions Oct. 17, 2006
7049677 Low cost dielectric isolation method for integration of vertical power MOSFET and lateral driver devices May. 23, 2006
7012319 System for integrating a circuit on an isolation layer and method thereof Mar. 14, 2006
7008851 Silicon-germanium mesa transistor Mar. 7, 2006
6991982 Method of manufacturing a semiconductor non-volatile memory Jan. 31, 2006
6964907 Method of etching a lateral trench under an extrinsic base and improved bipolar transistor Nov. 15, 2005
6962842 Method of removing a sacrificial emitter feature in a BICMOS process with a super self-aligned BJT Nov. 8, 2005
6955957 Method of forming a floating gate in a flash memory device Oct. 18, 2005
6949438 Method of fabricating a bipolar junction transistor Sep. 27, 2005
6943088 Method of manufacturing a trench isolation structure for a semiconductor device with a different degree of corner rounding Sep. 13, 2005
6927112 Radical processing of a sub-nanometer insulation film Aug. 9, 2005
6908821 Apparatus for adjusting input capacitance of semiconductor device and fabricating method Jun. 21, 2005
6909163 High-frequency oscillator for an integrated semiconductor circuit and the use thereof Jun. 21, 2005
6902975 Non-volatile memory technology compatible with 1T-RAM process Jun. 7, 2005
6902971 Transistor sidewall spacer stress modulation Jun. 7, 2005
6900105 Semiconductor device and method of manufacture May. 31, 2005
6876054 Integrable DC/AC voltage transformer/isolator and ultra-large-scale circuit incorporating the same Apr. 5, 2005
6872447 Surface-protective pressure-sensitive adhesive sheet Mar. 29, 2005
6830988 Method of forming an isolation structure for an integrated circuit utilizing grown and deposited oxide Dec. 14, 2004
6830977 METHODS OF FORMING AN ISOLATION TRENCH IN A SEMICONDUCTOR, METHODS OF FORMING AN ISOLATION TRENCH IN A SURFACE OF A SILICON WAFER, METHODS OF FORMING AN ISOLATION TRENCH-ISOLATED TRANSISTOR, T Dec. 14, 2004
6822325 Isolating temperature sensitive components from heat sources in integrated circuits Nov. 23, 2004
6815801 Vertical bipolar transistor and a method of manufacture therefor including two epitaxial layers and a buried layer Nov. 9, 2004
6803259 Silicon controlled rectifier for sige process, manufacturing method thereof and integrated circuit including the same Oct. 12, 2004
6797579 Semiconductor device having trench isolation structure and method of fabricating the same Sep. 28, 2004
6764922 Method of formation of an oxynitride shallow trench isolation Jul. 20, 2004
6759303 Complementary vertical bipolar junction transistors fabricated of silicon-on-sapphire utilizing wide base PNP transistors Jul. 6, 2004
6734524 Electronic component and method of manufacturing same May. 11, 2004
6656812 Vertical bipolar transistor having little low-frequency noise and high current gain, and corresponding fabrication process Dec. 2, 2003
6639296 Semiconductor device and method of manufacturing the same Oct. 28, 2003
6635543 SOI hybrid structure with selective epitaxial growth of silicon Oct. 21, 2003
6633073 Method and apparatus for isolating circuits using deep substrate n-well Oct. 14, 2003
6627515 Method of fabricating a non-floating body device with enhanced performance Sep. 30, 2003
6620654 Method for fabricating a simplified CMOS polysilicon thin film transistor and resulting structure Sep. 16, 2003
6617663 Methods of manufacturing semiconductor devices Sep. 9, 2003
6586818 Self-aligned silicon germanium heterojunction bipolar transistor device with electrostatic discharge crevice cover for salicide displacement Jul. 1, 2003
6570239 Semiconductor device having resistive element May. 27, 2003
6551874 Self-aligned STI process using nitride hard mask Apr. 22, 2003

1 2 3


 
 
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