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:
Sep. 16, 1986
Filed:
Jan. 26, 1984
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; G02B / ;
U.S. Cl.
CPC ...
428215 ; 350164 ; 350165 ; 428688 ; 428696 ; 428699 ;
Abstract
An anti-reflection coating film is disclosed which has a three-layer structure and is adapted to be deposited on a substrate made of a mixed crystal of thallium iodide and thallium bromide. The structure comprises a first arsenic triselenide layer, a second lead fluoride layer and a third arsenic triselenide layer for protection of the second layer.