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
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