发明名称 |
Lead-frame forming material |
摘要 |
Disclosed are a positive type lead-frame forming material which contains a light-sensitive material comprising an o-quinonediazide compound and a novolak resin, and a positive type lead-frame forming material which contains a positive resist composition comprising (1) a water-insoluble but alkaline water-soluble resin, (2) a compound capable of generating an acid by irradiation with active rays or radiant rays, and (3) a compound containing a group decomposable by acid which can increase its solubility in an alkaline developer through the action of the acid.
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申请公布号 |
US5670293(A) |
申请公布日期 |
1997.09.23 |
申请号 |
US19950402000 |
申请日期 |
1995.03.10 |
申请人 |
FUJI PHOTO FILM CO., LTD. |
发明人 |
NARUSE, YASUHITO;KAMITANI, KIYOSHI;UESUGI, AKIO;KAKEI, TSUTOMU;MOROHOSHI, GOUICHI |
分类号 |
B41N1/24;G03F7/022;H01L21/48;H01L21/60;(IPC1-7):G03F7/09;G03F7/095 |
主分类号 |
B41N1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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