发明名称 |
Apparatus and method for optical radiation exposure. |
摘要 |
<p>An apparatus and a method are disclosed for holding sheets in registration during photographic exposure on a light table (23). An impervious blanket (27) is rolled out from and into a housing (31) which travels over the sheets positioned on the light table (23) to be selectively secured and sealed in place for vacuum gripping of sheets between blanket (27) and light table (23).</p> |
申请公布号 |
EP0257529(A2) |
申请公布日期 |
1988.03.02 |
申请号 |
EP19870111989 |
申请日期 |
1987.08.18 |
申请人 |
ERNEST, OHLIG |
发明人 |
OHLIG, ERNEST;SLOOP, CONRAD B. |
分类号 |
G03F7/20;G03B27/04;G03B27/20 |
主分类号 |
G03F7/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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