发明名称 |
Curing of polyamic acids or salts thereof by ultraviolet exposure |
摘要 |
A process for curing a film of polyamic acid or a salt thereof to the corresponding polyimide comprising exposing the film to ultraviolet radiation for a sufficient time and at a sufficient intensity to cure same. The film can be selectively exposed in an imagewise fashion through an appropriate mask followed by developing to remove unexposed areas.
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申请公布号 |
US4331705(A) |
申请公布日期 |
1982.05.25 |
申请号 |
US19800120710 |
申请日期 |
1980.02.11 |
申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
SAMUDRALA, RAMA P. |
分类号 |
G03F7/038;(IPC1-7):B05D3/06 |
主分类号 |
G03F7/038 |
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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