Substrate processing device and processing method

Semiconductor device manufacturing: process – Chemical etching

Reexamination Certificate

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Details

C438S706000, C438S708000, C438S113000, C438S460000, C219S121600, C219S121670, C219S121680

Reexamination Certificate

active

07101797

ABSTRACT:
In a state where a process gas including SF.sub. 6 and O.sub. 2 is supplied in a chamber, a laser light irradiator provided outside the chamber irradiates a laser light onto a substrate. At the portion of the substrate onto which the laser light is irradiated, the material that makes up the substrate is excited and converted into a gaseous substance by reacting with the process gas. The temperature of the substrate placed on a stage is kept at a predetermined temperature since a temperature adjuster supplies a chiller to a coolant flow passage provided inside the stage.

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