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发明名称
曝光用大型基板
摘要
本发明之解决手段为:一种曝光用大型基板,是对角长度或直径为500mm以上,且厚度为1~20mm之平板状的曝光用大型基板,其特征为:外周面的面粗糙度Ra为0.05~0.4μm。其效果为:若根据本发明的曝光用大型基板的话,则由于可大幅地减低:在洗净时由基板外周部面释出之粒子,故能够提升大型基板之洗净成品良率。又,由于可进行基板之搬运,故能够不需导入搬运设备而提升基板品质。
申请公布号
TW200510260
申请公布日期
2005.03.16
申请号
TW093121379
申请日期
2004.07.16
申请人
信越化学工业股份有限公司
发明人
草开大介;柴野由纪夫
分类号
C03C3/06
主分类号
C03C3/06
代理机构
代理人
林志刚
主权项
地址
日本
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