Substrate processing method and substrate processing apparatus

Semiconductor device manufacturing: process – Coating of substrate containing semiconductor region or of... – Insulative material deposited upon semiconductive substrate

Reexamination Certificate

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C438S775000, C438S791000, C438S795000, C438S508000, C216S036000

Reexamination Certificate

active

07972979

ABSTRACT:
Provided is a substrate processing method comprising: loading a substrate, on which polysilazane is applied, into a substrate process chamber; maintaining an inside of the substrate process chamber, into which the substrate is loaded, in water vapor atmosphere and depressurization atmosphere at a temperature of 400° C.; performing a first heat treatment process on the substrate in a state where the inside of the substrate process chamber is maintained in the water vapor atmosphere and the depressurization atmosphere at the temperature of 400° C.; next, increasing an inner temperature of the substrate process chamber from the temperature of 400° C. in the first heat treatment process to a temperature ranging from 900° C. to 1000° C.; and performing a second heat treatment process on the substrate in a state where the inside of the substrate process chamber is maintained in water vapor atmosphere and depressurization atmosphere at the temperature ranging from 900° C. to 1000° C.

REFERENCES:
patent: 2008/0014711 (2008-01-01), Choi et al.
patent: 2008/0305611 (2008-12-01), Hirota
patent: 10-321719 (1998-12-01), None

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