发明授权
- 专利标题: Photosensitive compositions containing stilbazolium groups
- 专利标题(中): 含有芪唑基的光敏组合物
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申请号: US890238申请日: 1992-05-29
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公开(公告)号: US5330877A公开(公告)日: 1994-07-19
- 发明人: John Curtis
- 申请人: John Curtis
- 申请人地址: NY Brooklyn
- 专利权人: Ulano Corporation
- 当前专利权人: Ulano Corporation
- 当前专利权人地址: NY Brooklyn
- 主分类号: C08F8/44
- IPC分类号: C08F8/44 ; G03F7/038 ; G03C1/73 ; C08F8/00
摘要:
Polyvinyl alcohol is modified by reaction with a stilbazol quaternary salt acetal to produce a water soluble polymer capable of photodimercezing on exposure to active radiation to yield water-soluble photoresist materials.
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