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:
Jun. 21, 2005
Filed:
Jun. 04, 2003
Hiroshi Tsushima, Takatsuki, JP;
Takeshi Oka, Kobe, JP;
Hiroshi Tsushima, Takatsuki, JP;
Takeshi Oka, Kobe, JP;
Nippon Paint Co., Ltd., Osaka, JP;
Abstract
The present invention provides an optoelectronic packaging substrate comprising optical wiring having an optical waveguide and electric wiring having a metal wiring and characterized in that the optical waveguide is composed of a core layer, a side face clad layer formed in the side circumference of the core layer, an upper clad layer formed on the upper side of the core layer and the side face clad layer, and a lower clad layer formed on the lower side of the core layer and the side face clad layer; that the metal wiring is formed in at least one of the side face clad layer, the upper clad layer, and the lower clad layer; and that the core layer, the side face clad layer, and the clad layer bearing the metal wiring are made of a silicon-based material layer of a branched type polysilane mixed with a silicone compound.