SUBSTRATE-TREATING APPARATUS

PROBLEM TO BE SOLVED: To provide a substrate-treating apparatus which can prevent the deposition of by-product. SOLUTION: In a substrate-treating apparatus which includes a treatment chamber for accommodating a wafer therein, a heater for heating the wafer, an inlet flange 10 which forms the lower p...

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1. Verfasser: UMEMOTO MAMORU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a substrate-treating apparatus which can prevent the deposition of by-product. SOLUTION: In a substrate-treating apparatus which includes a treatment chamber for accommodating a wafer therein, a heater for heating the wafer, an inlet flange 10 which forms the lower part of the treatment chamber, a gas supply pipe and a bar-type electrode installed in a first port 12 of the inlet flange 10, and a gas exhaust pipe installed in a second port 13 of the inlet flange 10, a heater 20 of a formed metal is provided in the inlet flange 10 and a cartridge heater 30 is provided each in the first port 12 and in the second port 13. The heater 20 of the formed metal and the cartridge heater 30 can heat the inlet flange 10, the periphery of the first port 12 and the periphery of the second port 13, and thereby can prevent the production of the by-product. COPYRIGHT: (C)2010,JPO&INPIT