发明名称 Method for making stained glass photomasks using stabilized glass
摘要 Accuracy of producing stained glass photomasks is improved by means of a preliminary heat treatment to adjust the fictive temperature of the glass, thereby improving dimensional stability during subsequent production of a stained pattern in the glass.
申请公布号 US4286052(A) 申请公布日期 1981.08.25
申请号 US19800110952 申请日期 1980.01.10
申请人 PPG INDUSTRIES, INC. 发明人 ERNSBERGER, FRED M.
分类号 G03F1/08;(IPC1-7):B05D3/14;B05D3/02 主分类号 G03F1/08
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