Source: http://www.google.com/patents/US7935550?dq=6,108,703
Timestamp: 2017-11-22 06:53:34
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Matched Legal Cases: ['Application No. 2', 'application No. 02802023', 'Application No. 02821230', 'Application No. 02801950', 'Application No. 02', 'application No. 03778841', 'application No. 03733682', 'Application No. 02775396', 'Application No. 2004', 'Application No. 2004', 'Application No. 2004', 'Application No. 2004', 'application No. 2004', 'Application No. 2004', 'application No. 2004', 'Application No. 2004', 'application No. 2003', 'application No. 2004', 'Application No. 2003', 'Application No. 2003', 'Application No. 2003', 'Application No. 2003', 'Application No. 2004', 'Application No. 2003', 'Application No. 02788783', 'Application No. 091110622']

Patent US7935550 - Method of forming light-emitting device using nitride bulk single crystal layer - Google Patents
The object of this invention is to provide a high-output type nitride light emitting device. The nitride light emitting device comprises an n-type nitride semiconductor layer or layers, a p-type nitride semiconductor layer or layers and an active layer therebetween, wherein a gallium-containing nitride...http://www.google.com/patents/US7935550?utm_source=gb-gplus-sharePatent US7935550 - Method of forming light-emitting device using nitride bulk single crystal layer
Publication number US7935550 B2
Application number US 11/969,735
Also published as CN1263206C, CN1300901C, CN1575533A, CN1575534A, EP1453158A1, EP1453158A4, EP1453159A1, EP1453159A4, EP1453159B1, US7057211, US7750355, US20040238810, US20040251471, US20080108162, WO2003036771A1, WO2003043150A1
Publication number 11969735, 969735, US 7935550 B2, US 7935550B2, US-B2-7935550, US7935550 B2, US7935550B2
Patent Citations (165), Non-Patent Citations (146), Referenced by (3), Classifications (45), Legal Events (1)
Method of forming light-emitting device using nitride bulk single crystal layer
US 7935550 B2
4. A method of preparing a nitride semiconductor device according to claim 3, wherein the light emitting structure is made on the resulting substrate by forming n-type nitride semiconductor layers, an active layer and p-type nitride semiconductor layers in turn thereon.
After the above layers are deposited, the formed wafer is subject to annealing in the MOCVD reactor device under the nitrogen atmosphere, at a temperature of 7000° C., which additionally reduces resistance of the p-type nitride semiconductor layer or layers.
Next the p-type electrode 80 in the form of Ni/Au is formed on the p-type contact layer so that an ohmic contact would appear, and the n-type electrode 90 in the form of Ti/Al on the n-type contact layer. Then, the wafer is subject to the thermal processing at a temperature of 600° C. Next, pad electrode in the form of Ni(1000 Å)-Ti(1000 Å)-Au(8000 Å) are laid on the p-type and n-type electrode. After a reflecting film 100 in the form of SiO2 and TiO2 is formed, each nitride semiconductor laser device is cut out from the wafer by scribing.
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U.S. Classification 438/22, 257/E33.003, 117/68, 438/796, 117/952, 438/46, 117/11, 257/E33.001
International Classification H01S5/02, H01S5/32, C30B7/10, H01L33/00, C30B29/40, H01S5/323, H01L21/318, H01S5/00, C30B7/00, C30B9/00, H01S5/343, H01S5/16, H01S5/22, H01S5/028
Cooperative Classification C30B7/005, H01S5/021, H01S5/3202, B82Y20/00, H01S5/0218, C30B7/10, C30B9/00, C30B29/406, H01S5/22, C30B29/403, H01S5/164, H01S5/34333, H01S5/0281, H01S2304/12, H01S5/32341, H01S5/0213
European Classification C30B29/40B, B82Y20/00, C30B7/10, C30B9/00, C30B29/40B2, C30B7/00, H01S5/16D