IPC-TM-650 EN 2022 试验方法1.pdf - 第54页
shall shall Note: IPC-TM-650 Page 3 of 8
Caution:
Figure 5-2 Plated Hole Microsection (Grinding/Polishing)
Tolerance
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
2
3
1
3
IPC-TM-650
Page 4 of 8
shall
shall
Note:
IPC-TM-650
Page 3 of 8
Caution:
Figure 5-2 Plated Hole Microsection (Grinding/Polishing)
Tolerance
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
2
3
1
3
IPC-TM-650
Page 4 of 8