FILM DEPOSITION METHOD, FILM DEPOSITION APPARATUS, OPTICAL ELEMENT, AND PROJECTION ALIGNER

PROBLEM TO BE SOLVED: To provide a film deposition method, a film deposition apparatus, an optical element, and a projection aligner of high time efficiency for omitting an atmosphere opening step of a vacuum vessel to exchange a masking means, and exchanging the masking means according to a thin fi...

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1. Verfasser: MURAKAMI ATSUNOBU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a film deposition method, a film deposition apparatus, an optical element, and a projection aligner of high time efficiency for omitting an atmosphere opening step of a vacuum vessel to exchange a masking means, and exchanging the masking means according to a thin film material and a substrate while evacuating the vacuum vessel. SOLUTION: The time efficiency is improved by storing a masking means in a vacuum vessel, and exchanging a masking means according to a thin film material and a substrate with a masking means stored in the vacuum vessel while the vacuum vessel is evacuated. COPYRIGHT: (C)2004,JPO