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.
Patent No.:
Date of Patent:
Jan. 20, 1998
Filed:
Feb. 29, 1996
Applicant:
Inventor:
Daniel H Platus, Rancho Palos Verdes, CA (US);
Assignee:
The Aerospace Corporation, El Segundo, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
374 57 ;
Abstract
A sapphire window is laser edge tested using a CO.sub.2 laser spot illuminating along a path following the periphery of the optical surface of the window so as to diffuse heat towards the edges which may crack and fail if defective with subsurface defects which are likely to cause stress fractures when stressed.
Platus, Daniel. (1998). Method for thermally testing with a laser the edge of a sapphire window (U.S. Patent No. 5709471). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5709471
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile