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
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