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US4651009A Contact exposure apparatus 失效
接触曝光装置

Contact exposure apparatus
摘要:
An apparatus wherein a first thin member and a second thin member, the first thin member bearing a pattern, and the second thin member is exposed to the pattern of the first thin member. It includes a vacuum line for discharging a gas existing between the first thin member and the second thin member without close-contact therebetween, and a device for bringing the first and second members into proximity close-contact with each other after said discharging means discharges the gas from between the first thin member and the second thin member.
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