Optical waveguides – Planar optical waveguide
Reexamination Certificate
2006-02-14
2006-02-14
Font, Frank G. (Department: 2883)
Optical waveguides
Planar optical waveguide
C385S131000
Reexamination Certificate
active
06999668
ABSTRACT:
The invention provides a method for manufacturing an optical waveguide device, with which the thickness of an optical substrate can be controlled with high precision. The surface of a substrate is masked by applying a resist to all regions of the substrate except where stopper portions are to be formed (i.e. to the left and right in width direction of the substrate). Then, the stopper portions are formed on the surface of the substrate by sputtering/vapor deposition of Cr, and then the resist is removed. Using a UV curing resin, an Mg-doped LiNbO3optical substrate is laminated between the pair of stopper portions to the left and right of the surface of the substrate. After laminating the optical substrate, which is made of a non-linear optical material, the optical substrate is abraded.
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Mizuuchi Kiminori
Yokoyama Toshifumi
Hamre Schumann Mueller & Larson P.C.
Matsushita Electric - Industrial Co., Ltd.
Wong Eric
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