Method for etching polyamide shaped articles
US4298424A · kind A · utility
5Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 1980 |
| Grant date | Nov 3, 1981 |
| Priority date | — |
| Expiry date | Jun 19, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05K3/381
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is a method for etching a polyamide shaped article which comprises etching a polyamide shaped article formed from a composition comprising 100 parts by weight of a polyamide and 10 to 50 parts by weight of an inorganic filler with an aqueous solution of borofluoric acid. According to this treating method, a good surface capable of providing a plated article having a high adhesion and a reduced deviation of the adhesion can be formed on the polyamide shaped article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.