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. 21, 1976
Filed:
Jul. 01, 1974
Leroy A Bartolomei, Santa Rosa, CA (US);
Optical Coating Laboratory, Inc., Santa Rosa, CA (US);
Abstract
A striped dichroic filter having a substrate with a surface. A first set of spaced parallel stripes capable of reflecting at least one color are carried by the surface. A second set of spaced parallel stripes capable of reflecting at least one different color different from said one color reflected by the first set of stripes is also carried by the surface. The first and second sets of stripes are disposed so that they are substantially parallel to each other and so that they are in abutting relationship with substantially no space or overlap between adjacent stripes. Third and additional sets of stripes for reflecting other colors may be provided. In the method for making the striped dichroic filter, a dual lift-off is used which utilizes both metal and resist lift-off techniques that are mutually exclusive.