发明名称 OPTICAL EXPOSURE APPARATUS
摘要 A mask for optical exposure including a transparent supporting plate, a transparent conformable film having a predetermined opaque pattern formed thereon, and a penetrating hole formed through the transparent supporting plate, in which the transparent conformable film is attached to the transparent supporting plate so that a gas-tight space is formed between them, and the external of the transparent supporting plate is communicated with the gas-tight space through the penetrating hole.
申请公布号 GB1577479(A) 申请公布日期 1980.10.22
申请号 GB19770040537 申请日期 1977.09.29
申请人 SONY CORP 发明人
分类号 G03F1/00 主分类号 G03F1/00
代理机构 代理人
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