Method of manufacturing optical waveguide
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United States of America Patent
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Jul 15, 2014
Grant Date -
Jan 5, 2012
app pub date -
Jun 30, 2011
filing date -
Jul 5, 2010
priority date (Note) -
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Abstract
A mold for the formation of an over cladding layer in an optical waveguide is integrally produced from a light-transmissive resin and a light-transmissive support plate by molding using a mold member identical in shape with the over cladding layer. In the production of the mold, a hollow resulting from the removal of the mold member serves as a cavity for the formation of the over cladding layer. For the formation of the over cladding layer, the cavity of the mold is filled with a photosensitive resin for the formation of the over cladding layer, and the photosensitive resin is cured by being exposed to light through the mold while cores formed in a pattern on a surface of an under cladding layer are immersed in the photosensitive resin.
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