The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 23, 2021

Filed:

Nov. 09, 2018
Applicants:

Robert T. Bondokov, Watervliet, NY (US);

Jianfeng Chen, Ballston Lake, NY (US);

Keisuke Yamaoka, Green Island, JP;

Shichao Wang, Troy, NY (US);

Shailaja P. Rao, Cohoes, NY (US);

Takashi Suzuki, Troy, NY (US);

Leo J. Schowalter, Latham, NY (US);

Inventors:

Robert T. Bondokov, Watervliet, NY (US);

Jianfeng Chen, Ballston Lake, NY (US);

Keisuke Yamaoka, Green Island, JP;

Shichao Wang, Troy, NY (US);

Shailaja P. Rao, Cohoes, NY (US);

Takashi Suzuki, Troy, NY (US);

Leo J. Schowalter, Latham, NY (US);

Assignee:

CRYSTAL IS, INC., Green Island, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 29/40 (2006.01); C30B 23/06 (2006.01); H01L 33/00 (2010.01); C30B 23/00 (2006.01); H01S 5/30 (2006.01); H01S 5/343 (2006.01); H01S 5/02 (2006.01); H01L 21/02 (2006.01);
U.S. Cl.
CPC ...
C30B 29/403 (2013.01); C30B 23/002 (2013.01); C30B 23/066 (2013.01); H01L 33/0075 (2013.01); H01L 21/02389 (2013.01); H01S 5/0217 (2013.01); H01S 5/3013 (2013.01); H01S 5/34333 (2013.01);
Abstract

In various embodiments, single-crystal aluminum nitride boules and substrates having high transparency to ultraviolet light and low defect density are formed. The single-crystal aluminum nitride may function as a platform for the fabrication of light-emitting devices such as light-emitting diodes and lasers.


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