| 发明名称 |
INSULATING FILM WITH IMPROVED PUNCHING CHARACTERISTICS AND LEAD FRAME USING THE SAME |
| 摘要 |
<p>The occurrence of burrs and chips in punching an insulating film is suppressed by adjusting an edge tearing resistance of the insulating film. The edge tearing resistance is preferably 50 to 70 kgf/20 mm for the purpose of suppressing the burrs and the chips.</p> |
| 申请公布号 |
KR0177198(B1) |
申请公布日期 |
1999.04.15 |
| 申请号 |
KR19940011379 |
申请日期 |
1994.05.25 |
| 申请人 |
HITACHI CABLE LTD. |
发明人 |
HIROE, TOSHIKATSU;KANEKO, KENICHI;IMAI, NOBORU;TAKASAKA, HIROYUKI;KAWAMURA, TOSHIO |
| 分类号 |
B32B27/34;C08J5/18;H01L21/48;H01L23/495;H01L23/50;H05K1/00;H05K1/03;H05K3/38;(IPC1-7):H01L21/60 |
主分类号 |
B32B27/34 |
| 代理机构 |
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代理人 |
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| 地址 |
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