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:
Jun. 13, 2000
Filed:
Dec. 31, 1997
Applicant:
Inventors:
Ronald E Laird, Oakley, CA (US);
Charles K Carniglia, Antioch, CA (US);
Assignee:
The BOC Group, Inc., Murray Hill, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428212 ; 359580 ; 359586 ; 359587 ; 359588 ; 428216 ; 428697 ; 428699 ; 428701 ; 428702 ;
Abstract
A broad-band multilayer antireflection coating comprising four layers designed for deposition in an inline magnetron sputtering machine. The optical thickness of the third layer from the substrate is less than one quarter of a wavelength in the center of the low-reflection band, and the second and fourth layers are made of silicon dioxide.
Laird, Ronald. (2000). Broad-band antireflection coating having four sputtered layers (U.S. Patent No. 6074730). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6074730
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile