| 摘要 |
UNITED STATES PATENT APPLICATION OF: Fritz Stahl FOR: PROCESS AND ARTICLE FOR PRINTED CIRCUIT BOARD MANUFACTURE There are provided an article and process useful in the production of printed circuit boards, the-process comprising providing an article comprising an insulating base and a layer of copper thereon, and microroughening the surface of said copper layer by contacting with a chemical oxidizing agent or a finely divided abrasive material, or both. Articles made in accordance with this process are also provided. |
