Source: http://www.google.com/patents/US7776636?dq=5,893,120
Timestamp: 2017-05-29 10:12:08
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Matched Legal Cases: ['art 2', 'art 2', 'art 2', 'art 2', 'art 2', 'art 2']

Patent US7776636 - Method for significant reduction of dislocations for a very high A1 ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA method for reducing dislocation density between an AlGaN layer and a sapphire substrate involving the step of forming a self-organizing porous AlN layer of non-coalescing column-like islands with flat tops on the substrate....http://www.google.com/patents/US7776636?utm_source=gb-gplus-sharePatent US7776636 - Method for significant reduction of dislocations for a very high A1 composition A1GaN layerAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS7776636 B2Publication typeGrantApplication numberUS 11/411,191Publication dateAug 17, 2010Filing dateApr 25, 2006Priority dateApr 25, 2005Fee statusPaidAlso published asUS20060264009Publication number11411191, 411191, US 7776636 B2, US 7776636B2, US-B2-7776636, US7776636 B2, US7776636B2InventorsTao WangOriginal AssigneeCao Group, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (15), Referenced by (3), Classifications (26), Legal Events (4) External Links: USPTO, USPTO Assignment, EspacenetMethod for significant reduction of dislocations for a very high A1 composition A1GaN layer
US 7776636 B2Abstract
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Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS4614961 *Oct 9, 1984Sep 30, 1986Honeywell Inc.Tunable cut-off UV detector based on the aluminum gallium nitride material systemUS5182670 *Aug 30, 1991Jan 26, 1993Apa Optics, Inc.Narrow band algan filterUS5278435 *Jun 8, 1992Jan 11, 1994Apa Optics, Inc.High responsivity ultraviolet gallium nitride detectorUS5321713 *Jun 29, 1992Jun 14, 1994Khan Muhammad AAluminum gallium nitride laserUS5656832 *Mar 8, 1995Aug 12, 1997Kabushiki Kaisha ToshibaSemiconductor heterojunction device with ALN buffer layer of 3nm-10nm average film thicknessUS5900647 *Feb 4, 1997May 4, 1999Sharp Kabushiki KaishaSemiconductor device with SiC and GaAlInNUS6177292 *Dec 5, 1997Jan 23, 2001Lg Electronics Inc.Method for forming GaN semiconductor single crystal substrate and GaN diode with the substrateUS6328796 *Feb 1, 1999Dec 11, 2001The United States Of America As Represented By The Secretary Of The NavySingle-crystal material on non-single-crystalline substrateUS6391748 *Oct 3, 2000May 21, 2002Texas Tech UniversityMethod of epitaxial growth of high quality nitride layers on silicon substratesUS6483130 *Mar 24, 1999Nov 19, 2002Honeywell International Inc.Back-illuminated heterojunction photodiodeUS6962828 *Nov 15, 2000Nov 8, 2005Toyoda Gosei Co., Ltd.Methods for manufacturing a light-emitting deviceUS6967981 *May 30, 2002Nov 22, 2005Xerox CorporationNitride based semiconductor structures with highly reflective mirrorsUS7498645 *Oct 4, 2007Mar 3, 2009Iii-N Technology, Inc.Extreme ultraviolet (EUV) detectors based upon aluminum nitride (ALN) wide bandgap semiconductorsUS20010013605 *Nov 30, 2000Aug 16, 2001Tamiyo UmezakiLight-emitting device using group III nitride group compound semiconductorUS20070066020 *Nov 21, 2006Mar 22, 2007International Rectifier CorporationIII-nitride current control device and method of manufacture* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS9330906May 1, 2014May 3, 2016Sensor Electronic Technology, Inc.Stress relieving semiconductor layerUS9412902Feb 22, 2015Aug 9, 2016Sensor Electronic Technology, Inc.Semiconductor structure with stress-reducing buffer structureUS9502509Mar 29, 2016Nov 22, 2016Sensor Electronic Technology, Inc.Stress relieving semiconductor layerClassifications U.S. Classification438/46, 438/22, 438/36, 438/47, 438/93, 438/481, 257/E31.124, 257/E31.061, 257/E31.022, 257/E21.108, 257/E31.065International ClassificationH01L21/00Cooperative ClassificationC30B29/403, C30B25/183, H01L21/0254, C30B25/02, H01L21/02513, H01L21/02458, H01L21/0242European ClassificationC30B25/18B, H01L21/02K4C1B1, H01L21/02K4B1B1, H01L21/02K4B5M, H01L21/02K4A1J, C30B25/02, C30B29/40BLegal EventsDateCodeEventDescriptionJul 24, 2006ASAssignmentOwner name: CAO GROUP, INC., UTAHFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:WANG, TAO;REEL/FRAME:018089/0737Effective date: 20060717Sep 24, 2013FPAYFee paymentYear of fee payment: 4Oct 2, 2015ASAssignmentOwner name: EPISTAR CORPORATION, TAIWANFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CAO GROUP, INC.;REEL/FRAME:036709/0596Effective date: 20150712Oct 6, 2015ASAssignmentOwner name: EPISTAR CORPORATION, TAIWANFree format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE S ADDRESS PREVIOUSLY RECORDED ON REEL 036709 FRAME 0596. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT;ASSIGNOR:CAO GROUP, INC.;REEL/FRAME:036771/0838Effective date: 20150712RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services