Optical waveguides – Planar optical waveguide
Reexamination Certificate
2005-08-30
2005-08-30
Nguyen, Tu T. (Department: 2877)
Optical waveguides
Planar optical waveguide
Reexamination Certificate
active
06937806
ABSTRACT:
A method of making a photonic device having at least two layers formed over a substrate, preferably by plasma enhanced chemical vapor deposition, involves depositing a thin spin-on glass (SOG) interlayer between at least one adjacent pair of layers to improve the roughness characteristics.
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(Marks & Clerk)
Dalsa Semiconductor Inc.
Mitchell Richard J.
Nguyen Tu T.
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