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Title: Process for large-scale ammonothermal manufacturing of gallium nitride boules

Abstract

Large-scale manufacturing of gallium nitride boules using m-plane or wedge-shaped seed crystals can be accomplished using ammonothermal growth methods. Large-area single crystal seed plates are suspended in a rack, placed in a large diameter autoclave or internally-heated high pressure apparatus along with ammonia and a mineralizer, and crystals are grown ammonothermally. The orientation of the m-plane or wedge-shaped seed crystals are chosen to provide efficient utilization of the seed plates and of the volume inside the autoclave or high pressure apparatus.

Inventors:
; ; ;
Issue Date:
Research Org.:
SLT TECHNOLOGIES, INC., Los Angeles, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1465761
Patent Number(s):
10,036,099
Application Number:
14/599,335
Assignee:
SLT TECHNOLOGIES, INC. (Los Angeles, CA)
DOE Contract Number:  
SC0006168
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015 Jan 16
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

D'Evelyn, Mark P., Ehrentraut, Dirk, Kamber, Derrick S., and Downey, Bradley C. Process for large-scale ammonothermal manufacturing of gallium nitride boules. United States: N. p., 2018. Web.
D'Evelyn, Mark P., Ehrentraut, Dirk, Kamber, Derrick S., & Downey, Bradley C. Process for large-scale ammonothermal manufacturing of gallium nitride boules. United States.
D'Evelyn, Mark P., Ehrentraut, Dirk, Kamber, Derrick S., and Downey, Bradley C. Tue . "Process for large-scale ammonothermal manufacturing of gallium nitride boules". United States. https://www.osti.gov/servlets/purl/1465761.
@article{osti_1465761,
title = {Process for large-scale ammonothermal manufacturing of gallium nitride boules},
author = {D'Evelyn, Mark P. and Ehrentraut, Dirk and Kamber, Derrick S. and Downey, Bradley C.},
abstractNote = {Large-scale manufacturing of gallium nitride boules using m-plane or wedge-shaped seed crystals can be accomplished using ammonothermal growth methods. Large-area single crystal seed plates are suspended in a rack, placed in a large diameter autoclave or internally-heated high pressure apparatus along with ammonia and a mineralizer, and crystals are grown ammonothermally. The orientation of the m-plane or wedge-shaped seed crystals are chosen to provide efficient utilization of the seed plates and of the volume inside the autoclave or high pressure apparatus.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {7}
}

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