Fiber sheet and manufacturing method therefor

Optical waveguides – Integrated optical circuit

Reexamination Certificate

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C385S137000

Reexamination Certificate

active

06968097

ABSTRACT:
A fiber sheet including a first resin sheet having an adhesive layer on one side, first and second optical fibers wired on the adhesive layer of the first resin sheet so as to cross each other, and a plurality of spacers scattered on the adhesive layer of the first resin sheet. The fiber sheet further includes a second resin sheet attached to the first resin sheet so that the first and second optical fibers and the spacers are sandwiched between the first and second resin sheets. Preferably, each spacer is a spherical spacer.

REFERENCES:
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patent: 4478486 (1984-10-01), Fentress et al.
patent: 4911525 (1990-03-01), Hicks et al.
patent: 5204925 (1993-04-01), Bonanni et al.
patent: 6442322 (2002-08-01), Chen et al.
patent: 6554483 (2003-04-01), Sun et al.
patent: 2003/0007773 (2003-01-01), Kondo et al.
patent: 2004/0042754 (2004-03-01), Arima et al.
patent: 2001-225419 (2001-09-01), None

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