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Class Information
Number: 148/DIG.72
Name: Metal treatment > Heterojunctions

Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
6033232 Process of fabricating photodiode integrated with MOS device Mar. 7, 2000
5994194 Self-aligned base ohmic metal for an HBT device cross-reference to related applications Nov. 30, 1999
5943577 Method of making heterojunction bipolar structure having air and implanted isolations Aug. 24, 1999
5920773 Method for making integrated heterojunction bipolar/high electron mobility transistor Jul. 6, 1999
5888843 Method for making light-emitting diode having improved moisture resistance characteristics Mar. 30, 1999
5858818 Formation of InGaSa p-n Junction by control of growth temperature Jan. 12, 1999
5846867 Method of producing Si-Ge base heterojunction bipolar device Dec. 8, 1998
5801071 Method for producing semiconductor laser diode Sep. 1, 1998
5798277 Method for fabricating heterojunction bipolar transistor Aug. 25, 1998
5789301 Method for reducing extrinsic base-collector capacitance Aug. 4, 1998
5736417 Method of fabricating double photoresist layer self-aligned heterojunction bipolar transistor Apr. 7, 1998
5702958 Method for the fabrication of bipolar transistors Dec. 30, 1997
5698460 Method of self-aligning an emitter contact in a planar heterojunction bipolar transistor and apparatus thereof Dec. 16, 1997
5696007 Method for manufacturing a super self-aligned bipolar transistor Dec. 9, 1997
5686351 Semimetal-semiconductor heterostructures and multilayers Nov. 11, 1997
5681766 Method of making integrated circuit capable of low-noise and high-power microwave operation Oct. 28, 1997
5672522 Method for making selective subcollector heterojunction bipolar transistors Sep. 30, 1997
5668022 Silicon-silicon-germanium heterojunction bipolar transistor fabrication method Sep. 16, 1997
5628834 Surfactant-enhanced epitaxy May. 13, 1997
5610086 Method of making an AlPSb/InP single heterojunction bipolar transistor on InP substrate for high-speed, high-power applications Mar. 11, 1997
5587327 Process for preparing a heterojunction bipolar transistor Dec. 24, 1996
5583059 Fabrication of vertical SiGe base HBT with lateral collector contact on thin SOI Dec. 10, 1996
5573960 Method of manufacturing semiconductor layers by bonding without defects created by bonding Nov. 12, 1996
5571732 Method for fabricating a bipolar transistor Nov. 5, 1996
5525541 Method of making an electronic and/or photonic component Jun. 11, 1996
5512496 Method of making collector-up bipolar transistor having improved emitter injection efficiency Apr. 30, 1996
5496745 Method for making bipolar transistor having an enhanced trench isolation Mar. 5, 1996
5494836 Process of producing heterojunction bipolar transistor with silicon-germanium base Feb. 27, 1996
5482875 Method for forming a linear heterojunction field effect transistor Jan. 9, 1996
5468658 Method of making multilayer base heterojunction device having one of base layer as a diffusion barrier between base-emitter junction Nov. 21, 1995
5459084 Method for fabricating hetero-junction bipolar transistor having reduced base parasitic resistance Oct. 17, 1995
5445976 Method for producing bipolar transistor having reduced base-collector capacitance Aug. 29, 1995
5436181 Method of self aligning an emitter contact in a heterojunction bipolar transistor Jul. 25, 1995
5434091 Method for making collector up bipolar transistors having reducing junction capacitance and increasing current gain Jul. 18, 1995
5429957 Method of manufacturing an heterojunction bipolar transistor Jul. 4, 1995
5427965 Method of fabricating a complementary heterojunction FET Jun. 27, 1995
5420059 Method of making a high performance MESFET with multiple quantum wells May. 30, 1995
5420052 Method of fabricating a semiplanar heterojunction bipolar transistor May. 30, 1995
5411903 Self-aligned complementary HFETS May. 2, 1995
5407842 Enhanced performance bipolar transistor process Apr. 18, 1995
5405793 Method for forming a linear field effect transistor Apr. 11, 1995
5391512 Method of producing a multi-stage amplifier device Feb. 21, 1995
5391504 Method for producing integrated quasi-complementary bipolar transistors and field effect transistors Feb. 21, 1995
5389554 Method for fabricating microwave heterojunction bipolar transistors with emitters designed for high power applications Feb. 14, 1995
5369042 Enhanced performance bipolar transistor process Nov. 29, 1994
5362657 Lateral complementary heterojunction bipolar transistor and processing procedure Nov. 8, 1994
5354709 Method of making a lattice mismatched heterostructure optical waveguide Oct. 11, 1994
5346840 Method of producing heterojunction bipolar transistor having narrow band gap base type Sep. 13, 1994
5346855 Method of making an INP-based DFB laser Sep. 13, 1994
5344786 Method of fabricating self-aligned heterojunction bipolar transistors Sep. 6, 1994

1 2 3 4 5 6

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