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):
- 10036099
- Application Number:
- 14/599,335
- Assignee:
- SLT Technologies, Inc. (Los Angeles, CA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
B - PERFORMING OPERATIONS B30 - PRESSES B30B - PRESSES IN GENERAL
- 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 = {Tue Jul 31 00:00:00 EDT 2018},
month = {Tue Jul 31 00:00:00 EDT 2018}
}
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