Method for enhancing optical characteristics of multilayer...

Semiconductor device manufacturing: process – Making device or circuit emissive of nonelectrical signal – Including integrally formed optical element

Reexamination Certificate

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C438S022000, C438S029000, C438S032000, C438S045000, C438S520000, C438S528000

Reexamination Certificate

active

07981707

ABSTRACT:
The method of the invention consists of implanting ions into the surface of multilayer optical waveguides, in the highly doped layer, in a defined pattern so as to modify the refractive index of this layer.

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