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:
Jul. 26, 2011
Filed:
Mar. 30, 2007
Optical transmission substrate, method for fabricating the same, and optoelectronic hybrid substrate
Takahiro Matsubara, Kyoto, JP;
Yuuji Kishida, Kyoto, JP;
Takahiro Matsubara, Kyoto, JP;
Yuuji Kishida, Kyoto, JP;
Kyocera Corporation, Kyoto, JP;
Abstract
An optical transmission substrate includes an optical transmission body provided in a through hole which has excellent and uniform propagation characteristics. The optical transmission substrate includes: a substrateformed by laminating a plurality of dielectric sheets; and a plurality of cylindrical refractive-index distribution bodieseach of which is made of a photosensitive polymeric material formed in a through holepenetrating each of the dielectric sheets, each of the refractive-index distribution body including a truncated conical coreand a periphery. Each of the coreshas a higher refractive index in the radial direction than the periphery and has a large-diameter end face and a small-diameter end face. The cores of refractive-index distribution bodies have a first core and a second core in the two adjoining dielectric sheet, and, the large-diameter end face of the first core and the small-diameter end face of the second core face each other and optically couple together.