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1.发明授权PROCESS FOR PREPARING SILICA OR SILICA-BASED THICK VITREOUS FILMS ACCORDING TO THE SOL-GEL TECHNIQUE AND THICK FILMS THEREBY OBTAINED 有权用于生产SILICA在现有或ON SILICA厚基础玻FILMS溶胶 - 凝胶方法后而这样产生的厚膜
公开(公告)号：EP1113987B1
公开(公告)日：2004-07-21
申请号：EP99946432.4
申请日：1999-09-06
Applicant: Novara Technology S.R.L.
Inventor： COSTA, Lorenzo , COSTA, Pier, Paolo , GRANDI, Stefania
CPC classification number: C03C1/008 , C23C18/1212 , C23C18/1254 , C23C18/1279 , Y10T428/2495
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2.发明公开PROCESS FOR PREPARING SILICA OR SILICA-BASED THICK VITREOUS FILMS ACCORDING TO THE SOL-GEL TECHNIQUE AND THICK FILMS THEREBY OBTAINED 有权用于生产SILICA在现有或ON SILICA厚基础玻FILMS溶胶 - 凝胶方法后而这样产生的厚膜
公开(公告)号：EP1113987A1
公开(公告)日：2001-07-11
申请号：EP99946432.4
申请日：1999-09-06
Applicant: Novara Technology S.R.L.
Inventor： COSTA, Lorenzo , COSTA, Pier, Paolo , GRANDI, Stefania
CPC classification number: C03C1/008 , C23C18/1212 , C23C18/1254 , C23C18/1279 , Y10T428/2495
Abstract: It is described a sol-gel process allowing the preparation, on a substrate, of glassy films of silicon oxide or mixed oxides based on silicon oxide, of thickness above 1 micrometer, generally between 2 and 20 micrometers, and characterised by absence of defects, that turn out to be particularly suitable as waveguides in flat optical devices.
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