发明名称 |
Diffusion barrier for solvents and inorganic cations on polyimide surfaces by ammonia treatment |
摘要 |
A method of inhibiting diffusion into a polyimide body by organic solvents and cations comprising applying ammonia to one or more surfaces of the body prior to exposing the surface to the solvents and cations. A composite article incorporating the diffusion barrier is also disclosed.
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申请公布号 |
US5077136(A) |
申请公布日期 |
1991.12.31 |
申请号 |
US19890406648 |
申请日期 |
1989.09.13 |
申请人 |
DIGITAL EQUIPMENT CORP. |
发明人 |
SHYU, JIEH-HWA |
分类号 |
B05D3/10;C08J7/12;H05K3/22 |
主分类号 |
B05D3/10 |
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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