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:
Dec. 14, 1976
Filed:
May. 27, 1975
Applicant:
Inventor:
Di Chen, Minnetonka, MN (US);
Assignee:
Honeywell Inc., Minneapolis, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; C04B / ; C23C / ;
U.S. Cl.
CPC ...
427162 ; 106 733 ; 204192 ; 252 629 ; 350150 ; 3501 / ; 423263 ; 423598 ; 427164 ; 427165 ; 427166 ; 4273 / ; 427377 ; 427380 ;
Abstract
Method for adjusting index of refraction of optical coating by heat treating. PLZT ceramic can be sputtered to form a thin film optical coating material for various optical applications. The fact that its refractive index can be adjusted by diffusion makes it particularly useful for antireflection coating or reflection coating on optical surfaces.
Quick Actions:
Chen, Di. (1976). Method of adjusting refractive index of plzt optical coating on optical (U.S. Patent No. 3997690). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3997690
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile