Process for preparing selectively metallized articles
US4978569A · kind A · utility
5Cited by
9References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 14, 1989 |
| Grant date | Dec 18, 1990 |
| Priority date | — |
| Expiry date | Aug 14, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31681
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Disclosed is a process for preparing a selectively metallized article, and to the article prepared by this process. The process comprises: PA1 1. swelling a polymeric article with dimethylformamide for a length of time of 1 to 5 minutes; PA1 2. treating the polymeric article with an aqueous solution of a strong base; PA1 3. alternately repeating steps 1 and 2 any number of times; PA1 4. etching said polymeric article; PA1 5. subjecting polymeric article to electroless copper plating, to obtain said selectively metallized article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.