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. 13, 2018

Filed:

Jul. 28, 2015
Applicant:

Raytheon Company, Waltham, MA (US);

Inventor:

Christopher S. Nordahl, Chelmsford, MA (US);

Assignee:

RAYTHEON COMPANY, Waltham, MA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 1/02 (2006.01); C30B 33/06 (2006.01); C03C 10/00 (2006.01);
U.S. Cl.
CPC ...
G02B 1/02 (2013.01); C03C 10/0036 (2013.01); C30B 33/06 (2013.01); C04B 2237/062 (2013.01); C04B 2237/064 (2013.01); C04B 2237/343 (2013.01); C04B 2237/60 (2013.01); C04B 2237/78 (2013.01);
Abstract

A method for forming an optical window. In one example, the method includes depositing a layer of eutectic bonding material onto a first surface of a first section of window material, positioning a second surface of a second section of window material onto the layer of eutectic bonding material such that the first surface is disposed opposite the second surface, and heating the eutectic bonding material to a temperature above a eutectic temperature of the eutectic bonding material and below a melting temperature of the window material for a predetermined length of time to form an optical window. The window material of the first section and the second section may be transparent to infrared radiation and comprise aluminum.


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