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Class Information
Number: 257/E21.612
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Processes or apparatus adapted for manufacture or treatment of semiconductor or solid-state devices or of parts thereof (epo) > Manufacture or treatment of devices consisting of plurality of solid-state components formed in or on common substrate or of parts thereof; manufacture of integrated circuit devices or of parts thereof (epo) > Manufacture or treatment of devices consisting of plurality of solid-state components or integrated circuits formed in, or on, common substrate (epo) > With subsequent division of substrate into plural individual devices (epo) > To produce devices each consisting of plurality of components, e.g., integrated circuits (epo) > Substrate being semiconductor, using silicon technology (epo) > Bipolar technology (epo) > Complementary devices, e.g., complementary transistors (epo) > Complementary vertical transistors (epo)
Description: This subclass is indented under subclass E21.611. This subclass is substantially the same in scope as ECLA classification H01L21/8228B.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8519475 Semiconductor device Aug. 27, 2013
7781276 Methods of forming CMOS integrated circuits that utilize insulating layers with high stress characteristics to improve NMOS and PMOS transistor carrier mobilities Aug. 24, 2010
7586130 Vertical field effect transistor using linear structure as a channel region and method for fabricating the same Sep. 8, 2009
7541250 Method for forming a self-aligned twin well region with simplified processing Jun. 2, 2009
7476941 Semiconductor integrated circuit device and fabrication process thereof Jan. 13, 2009
7276754 Annular gate and technique for fabricating an annular gate Oct. 2, 2007
7038255 Integrated circuit arrangement having PNP and NPN bipolar transistors, and fabrication method May. 2, 2006
7029981 Radiation hardened bipolar junction transistor Apr. 18, 2006
6979624 Reduced mask count buried layer process Dec. 27, 2005
6943426 Complementary analog bipolar transistors with trench-constrained isolation diffusion Sep. 13, 2005
6930008 Method of fabricating a complementary bipolar junction transistor Aug. 16, 2005
6876060 Complimentary bipolar transistor Apr. 5, 2005
6864542 Bipolar transistor manufacturing method Mar. 8, 2005
6864517 Bipolar structure with two base-emitter junctions in the same circuit Mar. 8, 2005
6856000 Reduce 1/f noise in NPN transistors without degrading the properties of PNP transistors in integrated circuit technologies Feb. 15, 2005
6855985 Modular bipolar-CMOS-DMOS analog integrated circuit & power transistor technology Feb. 15, 2005
6838350 Triply implanted complementary bipolar transistors Jan. 4, 2005
6815801 Vertical bipolar transistor and a method of manufacture therefor including two epitaxial layers and a buried layer Nov. 9, 2004
6767797 Method of fabricating complementary self-aligned bipolar transistors Jul. 27, 2004
6759730 Bipolar junction transistor compatible with vertical replacement gate transistor Jul. 6, 2004
6759303 Complementary vertical bipolar junction transistors fabricated of silicon-on-sapphire utilizing wide base PNP transistors Jul. 6, 2004
6607960 Bipolar transistor manufacturing method Aug. 19, 2003
6586317 Method of forming a zener diode in a npn and pnp bipolar process flow that requires no additional steps to set the breakdown voltage Jul. 1, 2003
6573146 Methods of manufacturing complementary bipolar transistors Jun. 3, 2003
6410395 Method of manufacturing a semiconductor device comprising SiGe HBTs Jun. 25, 2002
6404038 Complementary vertical bipolar junction transistors fabricated of silicon-on-sapphire utilizing wide base PNP transistors Jun. 11, 2002
6337252 Semiconductor device manufacturing method Jan. 8, 2002
6326674 Integrated injection logic devices including injection regions and tub or sink regions Dec. 4, 2001
6297119 Semiconductor device and its manufacture Oct. 2, 2001
6265276 Structure and fabrication of bipolar transistor Jul. 24, 2001
6222250 Bipolar transistor device and method for manufacturing the same Apr. 24, 2001
6005282 Integrated circuit with complementary isolated bipolar transistors Dec. 21, 1999
6005283 Complementary bipolar transistors Dec. 21, 1999
5970355 Method for fabricating semiconductor device Oct. 19, 1999
5955775 Structure of complementary bipolar transistors Sep. 21, 1999
5893743 Process of fabricating semiconductor device Apr. 13, 1999
5885880 Bipolar transistor device and method for manufacturing the same Mar. 23, 1999
5763935 Bipolar semiconductor device and fabricating method thereof Jun. 9, 1998
5759902 Method of making an integrated circuit with complementary junction-isolated bipolar transistors Jun. 2, 1998
5668397 High frequency analog transistors, method of fabrication and circuit implementation Sep. 16, 1997
5529939 Method of making an integrated circuit with complementary isolated bipolar transistors Jun. 25, 1996
5411898 Method of manufacturing a complementary bipolar transistor May. 2, 1995
5331198 Semiconductor device including IIL and vertical transistors Jul. 19, 1994
5302848 Integrated circuit with complementary junction-isolated bipolar transistors Apr. 12, 1994
5244821 Bipolar fabrication method Sep. 14, 1993
5219768 Method for fabricating a semiconductor device Jun. 15, 1993
5218227 Semiconductor device and method of manufacturing same Jun. 8, 1993
5208171 Process for preparing BiCMOS semiconductor device May. 4, 1993
5162252 Method of fabricating IIL and vertical complementary bipolar transistors Nov. 10, 1992

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