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:
May. 18, 1999
Filed:
Feb. 17, 1998
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
In an optical waveguide reduction optical image sensor constituted by a polymeric optical waveguide array having a plurality of cores arranged into a one-dimensional array in a cladding substrate, and a photoelectric conversion element array for detecting light propagating through the polymeric optical waveguide array and converting the detected light into an electrical signal, a hollow thermal expansion suppressing member (jig) is mounted on the joint portion between the polymeric optical waveguide array and the photoelectric conversion element array, and the coefficient of linear thermal expansion of the thermal expansion suppressing member in the core array direction of the polymeric optical waveguide array is smaller than that of the polymeric optical waveguide array in the same direction.