cadence 17.0 生成钻孔文件 cam350打不开的问题解决

17.0生成钻孔文件后，cam350打不开。这时用记事本打开钻孔文件。对比发现相较于16.6的版本，多了以下一行红色高亮的的代码。将其删除就可以用cam350打开了。

;LEADER: 12

;HEADER:
;CODE  : ASCII
;FILE  : BottomBoard-1-bl-1-2.drl for  … layers 1 and 2
;DESIGN: BottomBoard-1.brd
;   Holesize 1. = 12.000000 Tolerance = +0.000000/-0.000000 PLATED MILS Quantity = 116
;   Holesize 2. = 38.000000 Tolerance = +0.000000/-0.000000 PLATED MILS Quantity = 4
;   Holesize 3. = 40.000000 Tolerance = +0.000000/-0.000000 PLATED MILS Quantity = 8
;   Holesize 4. = 41.000000 Tolerance = +0.000000/-0.000000 PLATED MILS Quantity = 1
%
G90
X0001000Y-0081600
X0063800Y0051500
X0043906Y0044406
X-0025300Y0059900
X-0017700Y0049900
X-0018700Y0039900
X-0025300Y-0040300
X-0005400Y-0010100

来源：某日暮光