Manufacturing method of frequency doubler

Details Manufacturing method of frequency doubler Manufacturing method of frequency doubler

1990-02-09

1991-07-16

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156646, 156656, 1566591, 156667, 430321, B44C 122, C03C 1500, C03C 2506, C23F 102

Patent

active

050322206

ABSTRACT:
When fabricating an optical wavelength by proton exchange method on a substrate of LiNb.sub.x Ta.sub.1-x O.sub.3 (0.ltoreq.x.ltoreq.1), by using Ta.sub.2 O.sub.5 as the protective mask, the edge of the mask becomes smooth and diffusion of impurity from the protective mask into the substrate does not occur during heat treatment, and the propagation loss may be notably reduced. As a result, the efficiency of the frequency doubler may be enhanced.

REFERENCES:
patent: 4547262 (1985-10-01), Spillman et al.
patent: 4701008 (1987-10-01), Richard et al.

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