发明名称 EXPOSURE MASK AND X-RAY PROJECTION EXPOSURE DEVICE
摘要 <p>PURPOSE:To obtain an exposure mask and an X-ray projection exposure device with which the heat generated by absorption of X-rays can be prevented and also the lowering of mask accuracy due to thermal expansion of an exposure mask can be prevented. CONSTITUTION:The title exposure mask 10 is used for X-ray projection exposure, Invar is used for a substrate 17, and the title X-ray projection exposure device is equipped with a cooling means 16, used for the above-mentioned exposure mask, provided on the retaining stand 11 with which the exposure mask is retained.</p>
申请公布号 JPH04280620(A) 申请公布日期 1992.10.06
申请号 JP19910043701 申请日期 1991.03.08
申请人 FUJITSU LTD 发明人 OSADA TOSHIHIKO;SUGISHIMA KENJI
分类号 H01L21/027;G03F7/20 主分类号 H01L21/027
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