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:
Aug. 21, 2007
Filed:
Jul. 07, 2005
Atsushi Okuyama, Tokorozawa, JP;
Atsushi Okuyama, Tokorozawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A polarization splitter includes first and second glass members, and a polarization splitting layer and an adhesive layer arranged between the first and second glass members, wherein the polarization splitter satisfies α×E<6000000 and K>0.5, where α is a coefficient of linear expansion of the first and second glass members (10/K), E is a Young's modulus of the first and second glass members (10N/mm), and K is a photoelastic constant of the first and second glass members (nm/mm·mm/N).
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