Semiconductor device fabrication method

Semiconductor device manufacturing: process – Formation of electrically isolated lateral semiconductive... – Grooved and refilled with deposited dielectric material

Reexamination Certificate

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C257SE21546

Reexamination Certificate

active

07598151

ABSTRACT:
According to the present invention, there is provided a semiconductor device fabrication method having:coating a semiconductor substrate with a silazane perhydride polymer solution prepared by dispersing a silazane perhydride polymer in a solvent containing carbon, thereby forming a coating film;forming a polysilazane film by volatilizing the solvent by heat-treating the coating film; andinserting the semiconductor substrate into a predetermined furnace, lowering a pressure in the furnace, and oxidizing the polysilazane film while the pressure in the furnace is raised by supplying steam into the furnace, thereby forming a silicon oxide film.

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Notification of Examination Opinions issued by the Taiwanese Patent Office on Jun. 20, 2008, for Taiwanese Patent Application No. 095104377, and English-language translation thereof.

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