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. 13, 1988
Filed:
Sep. 12, 1986
Hans F Mahlein, Unterhaching, DE;
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Abstract
An edge interference filter is composed of a layer sequence of a total of 21 alternately arranged high refractive index layers and low refractive index layers with the high refractive index layers being composed of TiO.sub.2 and the low refractive index layers being composed of SiO.sub.2. The individual layers having an optical layer thickness standardized to a 20.degree. angle of incidence and to 3/4 wavelength of the attenuation band center wavelength of 823 nm with the first and twentyfirst layers having a thickness of 0.241 of the standardized thickness, the second and twentieth layers having a thickness of 0.914 of the standardized thickness and the remaining third through nineteenth layers having a thickness of one standardized thickness.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile