| 发明名称 |
DRILLING ENTRY BOARD FOR PRINTED CIRCUIT BOARD |
| 摘要 |
<p>PURPOSE: A drilling entry board for a printed circuit board is provided to avoid complicated processes by providing an excellent bonding force using a metal foil without a base coating. CONSTITUTION: A drilling entry board for a printed circuit board comprises a metallic board(1) and a lubricating copolymer(2). The lubricating copolymer is welded on the metallic board. The lubricating copolymer comprises a water-soluble structure and a water insoluble structure.</p> |
| 申请公布号 |
KR20130033269(A) |
申请公布日期 |
2013.04.03 |
| 申请号 |
KR20120036735 |
申请日期 |
2012.04.09 |
| 申请人 |
UNIPLUS ELECTRONICS CO., LTD. |
发明人 |
CHANG CHUNG HAO;CAO JIA WEI;HUAG HAN SHIANG;YEH CHIA HSIU |
| 分类号 |
B26F1/16;H05K3/00 |
主分类号 |
B26F1/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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