Optical filter, manufacturing method thereof, and planar...

Details Optical filter, manufacturing method thereof, and planar... Optical filter, manufacturing method thereof, and planar...

2007-09-11

2007-09-11

Doan, Jennifer (Department: 2874)

Optical waveguides

Planar optical waveguide

Thin film optical waveguide

C385S129000, C385S131000

Reexamination Certificate

active

11591876

ABSTRACT:
An optical filter includes a body of a polyhedron structure in which a recess having a predetermined depth from one side surface is exposed on a front surface and a rear surface and a multi-layer thin film which is deposited on the front surface of the body to cover an exposed portion of the recess of the body.

REFERENCES:
patent: 6085000 (2000-07-01), Tanaka et al.
patent: 7174081 (2007-02-01), Hayamizu et al.

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