Method for manufacturing semiconductor thin film

Details Method for manufacturing semiconductor thin film Method for manufacturing semiconductor thin film

2006-03-07

2006-03-07

Whitehead, Jr., Carl (Department: 2813)

Semiconductor device manufacturing: process

Making field effect device having pair of active regions...

Having insulated gate

C438S761000, C438S785000

Reexamination Certificate

active

07008839

ABSTRACT:
A substrate with a second semiconductor layer and a second mask film formed thereon is subjected to a heat treatment in an oxidizing atmosphere. Thus, second oxidized regions are formed through oxidization of the second semiconductor layer in regions of the second semiconductor layer that are not covered by the second mask film. At the same time, a second base layer is formed in each region that is interposed by the second oxidized regions. Then, the second mask film is removed, and a third semiconductor layer is selectively grown on the surface of the second base layer that is exposed between the second oxidized regions so as to cover the second oxidized regions, after which the first oxidized regions and the second oxidized regions covering the entire upper surface of the substrate are removed.

REFERENCES:
patent: 4251300 (1981-02-01), Caldwell
patent: 11274082 (1999-08-01), None
patent: 11-274082 (1999-10-01), None

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