发明名称 |
Hole machining method for circuit board |
摘要 |
A hole machining method includes drilling two holes are drilled at opposite ends of a drilling area as a start point and an end point. The number of holes between the start point and the end point is determined. A dividing point and a number of holes L are determined according to determined equations. Holes are drilled in the dividing point, and between the start point and the dividing point according to the determined equations. |
申请公布号 |
US8251619(B2) |
申请公布日期 |
2012.08.28 |
申请号 |
US20090491241 |
申请日期 |
2009.06.25 |
申请人 |
KING YUEH-HSUN;CHIU JHY-HAU;FOXNUM TECHNOLOGY CO., LTD. |
发明人 |
KING YUEH-HSUN;CHIU JHY-HAU |
分类号 |
B23B35/00;B23B41/00;H05K3/00 |
主分类号 |
B23B35/00 |
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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