发明申请
US20020110645A1 Conductive polymer colloidal compositions with selectivity for non-conductive surfaces
有权
导电聚合物胶体组合物,对非导电表面具有选择性
- 专利标题: Conductive polymer colloidal compositions with selectivity for non-conductive surfaces
- 专利标题(中): 导电聚合物胶体组合物,对非导电表面具有选择性
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申请号: US09998117申请日: 2001-11-30
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公开(公告)号: US20020110645A1公开(公告)日: 2002-08-15
- 发明人: James G. Shelnut , Wade Sonnenberg , Patrick J. Houle
- 申请人: Shipley Company, L.L.C.
- 申请人地址: MA Marlborough
- 专利权人: Shipley Company, L.L.C.
- 当前专利权人: Shipley Company, L.L.C.
- 当前专利权人地址: MA Marlborough
- 主分类号: B05D005/12
- IPC分类号: B05D005/12 ; B05D001/36 ; B05D003/10
摘要:
A conductive polymer colloidal composition that selectively forms a coating on a non-conductive surface. The conductive polymer colloidal composition is composed of a polymer and a sulfonate dopant. The conductive polymer colloidal composition may also contain conductive colloidal particles such as conductive carbon or metal salt particles, oxidants, stabilizers, and preservatives. The conductive polymer colloidal composition may be employed to selectively coat the non-conductive parts of printed wiring boards such that a uniform metal layer can be deposited on the conductive polymer coat. In addition to a uniform metal layer being formed over the conductive polymer, adhesion between the metal layer and the printed wiring board is improved.
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