Method for making group III nitride articles

AD Hanser, L Liu, EA Preble, D Tsvetkov… - US Patent …, 2013 - Google Patents
2009-09-15 Assigned to KYMA TECHNOLOGIES, INC. reassignment KYMA
TECHNOLOGIES, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR …

Process for large-scale ammonothermal manufacturing of gallium nitride boules

MP D'evelyn - US Patent 8,979,999, 2015 - Google Patents
A method for large-scale manufacturing of gallium nitride boules. Large-area single crystal
seed plates are suspended in a rack, placed in a large diameter autoclave or internally …

Single crystal group III nitride articles and method of producing same by HVPE method incorporating a polycrystalline layer for yield enhancement

EA Preble, L Liu, AD Hanser, NM Williams… - US Patent …, 2011 - Google Patents
In a method for making a GaN article, an epitaxial nitride layer is deposited on a single-
crystal Substrate. A 3D nucle ation GaN layer is grown on the epitaxial nitride layer by HVPE …

Gallium nitride crystals and wafers and method of making

MP D'evelyn, DS Park, SF Leboeuf… - US Patent …, 2006 - Google Patents
(57) ABSTRACT A GaN crystal having up to about 5 mole percent of at least one of
aluminum, indium, and combinations thereof. The GaN crystal has at least one grain having …

Group III-nitride based resonant cavity light emitting devices fabricated on single crystal gallium nitride substrates

MP D'evelyn, XA Cao, A Zhang, SF Leboeuf… - US Patent …, 2006 - Google Patents
In a method for producing a resonant cavity light emitting device, a seed gallium nitride
crystal (14) and a Source material (30) are arranged in a nitrogen-containing Super heated …

Homoepitaxial gallium-nitride-based electronic devices and method for producing same

MP D'evelyn, NA Evers, AP Zhang, JB Tucker… - US Patent …, 2012 - Google Patents
US8089097B2 - Homoepitaxial gallium-nitride-based electronic devices and method for
producing same - Google Patents US8089097B2 - Homoepitaxial gallium-nitride-based …

Method and apparatus for producing MIIIN columns and MIIIN materials grown thereon

JJ Cuomo, NM Williams, AD Hanser… - US Patent …, 2004 - Google Patents
A method utilizes sputter transport techniques to produce arrays or layers of self-forming, self-
oriented columnar structures characterized as discrete, single-crystal Group III nitride posts …

Large area nitride crystal and method for making it

MP D'evelyn, JS Speck, DS Kamber… - US Patent …, 2017 - Google Patents
Techniques for processing materials in supercritical fluids including processing in a capsule
disposed within a high-pressure apparatus enclosure are disclosed. The disclosed …

Apparatus for processing materials in supercritical fluids and methods thereof

MP D'evelyn, RA Giddings, F Sharifi, S Dey… - US Patent …, 2010 - Google Patents
An apparatus and method for processing materials in supercritical fluids is disclosed. The
apparatus includes a capsule configured to contain a supercritical fluid, a high strength …

Semi-insulating GaN and method of making the same

RP Vaudo, X Xu, GR Brandes - US Patent 7,170,095, 2007 - Google Patents
US7170095B2 - Semi-insulating GaN and method of making the same - Google Patents
US7170095B2 - Semi-insulating GaN and method of making the same - Google Patents …