Patent ID: 6909818
Filing Date: 2005-06-21
Classification: G02B,H05K

Abstract:
1. An optoelectronic packaging substrate comprising optical wiring having an optical waveguide and electric wiring of metal wiring, wherein 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; 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 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.