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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 219
438/354 Having semi-insulative region 26
438/356 Isolation by pn junction only 43
438/362 Recessed oxide by localized oxidation (i.e., locos) 137
438/355 Total dielectrical isolation 103

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8679938 Shallow trench isolation for device including deep trench capacitors Mar. 25, 2014
8673726 Transistor structure with a sidewall-defined intrinsic base to extrinsic base link-up region and method of forming the transistor Mar. 18, 2014
8653627 Bipolar semiconductor device and manufacturing method thereof Feb. 18, 2014
8624224 Nanotube array bipolar transistors Jan. 7, 2014
8609509 Superior integrity of high-k metal gate stacks by forming STI regions after gate metals Dec. 17, 2013
8530299 Electronic device including a well region Sep. 10, 2013
8524569 Methods of forming an isolation layer and methods of manufacturing semiconductor devices having an isolation layer Sep. 3, 2013
8513087 Processes for forming isolation structures for integrated circuit devices Aug. 20, 2013
8501572 Spacer structure for transistor device and method of manufacturing same Aug. 6, 2013
8501549 Method of manufacturing a reverse blocking insulated gate bipolar transistor Aug. 6, 2013
8460994 Bipolar semiconductor device and manufacturing method thereof Jun. 11, 2013
8357985 Bipolar transistor with guard region Jan. 22, 2013
8350352 Bipolar transistor Jan. 8, 2013
8319317 Mesa type semiconductor device and manufacturing method thereof Nov. 27, 2012
8293615 Self-aligned dual depth isolation and method of fabrication Oct. 23, 2012
8183574 Thermal isolation of electronic devices in submount used for LEDs lighting applications May. 22, 2012
8125045 Dielectric isolation type semiconductor device and manufacturing method therefor Feb. 28, 2012
8120136 Bipolar transistor Feb. 21, 2012
8084706 System and method for laser processing at non-constant velocities Dec. 27, 2011
8076208 Method for forming transistor with high breakdown voltage using pitch multiplication technique Dec. 13, 2011
8071454 Method for manufacturing dielectric isolation type semiconductor device Dec. 6, 2011
8021941 Bias-controlled deep trench substrate noise isolation integrated circuit device structures Sep. 20, 2011
8012842 Method for fabricating isolated integrated semiconductor structures Sep. 6, 2011
8003475 Method for fabricating a transistor structure Aug. 23, 2011
7989301 Semiconductor device with bipolar transistor and method of fabricating the same Aug. 2, 2011
7977198 Semiconductor device and method of manufacturing semiconductor device Jul. 12, 2011
7951681 Substrate-triggered bipolar junction transistor and ESD protection circuit May. 31, 2011
7872326 Array of vertical bipolar junction transistors, in particular selectors in a phase change memory device Jan. 18, 2011
7871893 Method for non-selective shallow trench isolation reactive ion etch for patterning hybrid-oriented devices compatible with high-performance highly-integrated logic devices Jan. 18, 2011
7824977 Completely decoupled high voltage and low voltage transistor manufacturing processes Nov. 2, 2010
7786547 Formation of active area using semiconductor growth process without STI integration Aug. 31, 2010
7776704 Method to build self-aligned NPN in advanced BiCMOS technology Aug. 17, 2010
7737526 Isolated trench MOSFET in epi-less semiconductor sustrate Jun. 15, 2010
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

1 2 3

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