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:
May. 26, 1981
Filed:
Aug. 31, 1979
Applicant:
Inventor:
Frederick G Yamagishi, Newbury Park, CA (US);
Assignee:
Hughes Aircraft Company, Culver City, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B32B / ;
U.S. Cl.
CPC ...
428411 ; 204170 ; 350-16 ; 428409 ; 428696 ; 427 34 ; 427 38 ; 427 41 ; 427168 ;
Abstract
Commercially available alkali halide crystals are passivated in a plasma environment and coated by a plasma polymerization process to form moisture resistant alkali halide cyrstals. Prolonged exposure to high humidity did not cause observable damage to the surface of the crystal.