Single-crystal – oriented-crystal – and epitaxy growth processes; – Processes of growth from liquid or supercritical state – Having pulling during growth
Reexamination Certificate
2007-06-12
2007-06-12
Hiteshew, Felisa (Department: 1722)
Single-crystal, oriented-crystal, and epitaxy growth processes;
Processes of growth from liquid or supercritical state
Having pulling during growth
C117S003000, C117S013000, C117S020000
Reexamination Certificate
active
10506534
ABSTRACT:
A thermal processing operation is performed for a silicon wafer W (silicon single-crystal layer) in an atmosphere gas which is formed by a hydrogen gas or an inert gas or a mixture gas of these gases at a temperature in a range of 600° C. to 950° C. (here, the temperature should not be greater than 950° C.). By doing this, a quality of a surface of the silicon single-crystal layer is improved.
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Murakami Yoshio
Shibayama Takashi
Shingyoji Takayuki
Hiteshew Felisa
Pillsbury Winthrop Shaw & Pittman LLP
Sumitomo Mitsubishi Silicon Corporation
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