发明名称 |
Lubricant sheet for making hole and method of making hole with drill |
摘要 |
<p>A lubricant sheet suitable for use in a process of making a hole in a printed circuit board, which sheet comprises a water-soluble polymer layer, which has a thickness of 0.02 to 3.0 mm, and a metal foil having a thickness of 0.05 to 0.5 mm,
said water-soluble polymer layer being formed on one surface of said metal foil, wherein said water-soluble polymer layer is formed of a mixture of at least one water-soluble polymer and an organic filler (V).</p> |
申请公布号 |
EP2124512(A3) |
申请公布日期 |
2010.01.20 |
申请号 |
EP20090011618 |
申请日期 |
2001.09.04 |
申请人 |
MITSUBISHI GAS CHEMICAL COMPANY, INC. |
发明人 |
EZIRI, MITSUO;KOMATSU, SHINYA;TAGUCHI, MASARU;NAGAI, NORIO |
分类号 |
H05K3/00;B23B35/00;B23Q11/10 |
主分类号 |
H05K3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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