发明名称 METHOD OF MAKING A GLASS PREFORM
摘要 A thing (32) has an aperture (10) in it. The thing is heated and drawn. The thing is heated again and drawn again. The aperture is evacuated.
申请公布号 CA2332123(A1) 申请公布日期 1999.12.02
申请号 CA19992332123 申请日期 1999.04.14
申请人 CORNING INCORPORATED 发明人 MOORE, LISA A.;CROSSLAND, CARL E.;CHU, POLLY W.;BERKEY, GEORGE E.;QI, GANG;SOLOSKY, JOHN W.
分类号 G02B6/00;C03B37/012;(IPC1-7):C03B37/027 主分类号 G02B6/00
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