IPC-A-600H-2010 中文版 印制板的可接受性 (1).pdf - 第125页

T arget Condition - Class 1,2,3 (⽬标条件 - 1,2,3级) • No wicking present. • 没有出现 芯 吸 。 Acceptable - Class 3 (可接受条件 - 3级) • Wicking does not exceed 80 µm [3,150 µin]. • 芯 吸 未超 过 80µm[3,150µin] 。 Acceptable - Class 2 (可接受条件 - …

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Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
Thickness as specified on procurement documentation.
符合采文件的规定。
Acceptable - Class 1,2,3(可接受条件 - 1,2,3级)
Specified: The solder mask thickness meets the thickness require-
ments on the procurement documentation (cannot be visually
assessed).
有规定时:膜厚足采文件的要求(不能通过
目检评定)
Nonconforming - Class 1,2,3(不符合条件 - 1,2,3级)
Defects either do not meet or exceed above criteria.
缺陷不符合或出上述要求。
3312a
3312b
最小厚度,如已规定
3312c
3312d
3312e
3.3 PLATED-THROUGH HOLES – GENERAL(镀覆孔 则)
3.3.12 Solder Mask Thickness(阻焊膜度)
Visual observations made on cross-sections only.对显微切片进行目检观察。
116 IPC-A-600H-201020104
Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
No wicking present.
没有出现
Acceptable - Class 3(可接受条件 - 3级)
Wicking does not exceed 80 µm [3,150 µin].
未超80µm[3,150µin]
Acceptable - Class 2(可接受条件 - 2级)
Wicking does not exceed 100 µm [3,937 µin].
未超100μm[3,937μin]
Acceptable - Class 1(可接受条件 - 1级)
Wicking does not exceed 125 µm [4,921 µin].
未超125µm[4,291µin]
Nonconforming - Class 1,2,3(不符合条件 - 1,2,3级)
Defects either do not meet or exceed above criteria.
缺陷不符合或出上述要求。
Note: Wicking is measured from the laminate edge excluding the plating.
注: 的测量从边缘量起,镀层包括在内。
3313a
3313b
3313c
3.3 PLATED-THROUGH HOLES – GENERAL(镀覆孔 则)
3.3.13 Wicking芯吸
117IPC-A-600H-2010 20104
Visual observations made on cross-sections only.对显微切片进行目检观察。
Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
No wicking of conductive material into base material or along the
reinforcement material.
没有导电材料基材或沿强材料
Acceptable - Class 3(可接受条件 - 3级)
Wicking (A) does not exceed 80 µm [3,150 µin]
Wicking (B) does not reduce conductor spacing less than speci-
fied minimum on the procurement documentation.
A未超80µm[3,150µin]
B)没有使间距少至低于采文件规定的最值。
Acceptable - Class 2(可接受条件 - 2级)
Wicking (A) does not exceed 100 µm [3,937 µin]
Wicking (B) does not reduce conductor spacing less than speci-
fied minimum on the procurement documentation.
A未超100µm[3,937µin]
B)没有使间距少至低于采文件规定的最值。
Acceptable - Class 1(可接受条件 - 1级)
Wicking (A) does not exceed 125 µm [4,921 µin]
Wicking (B) does not reduce conductor spacing less than speci-
fied minimum on the procurement documentation.
A未超125µm[4,921µin]
B)没有使间距少至低于采文件规定的最值。
Nonconforming - Class 1,2,3(不符合条件 - 1,2,3级)
Defects either do not meet or exceed above criteria.
缺陷不符合或出上述要求。
33131a
A)表⾯焊盘
B
C)相邻的⾮公导体
D)表⾯镀层
A
B
D
C
33131b
A
B
33131c
A
B
3.3 PLATED-THROUGH HOLES – GENERAL(镀覆孔 则)
3.3.13.1 Wicking, Clearance Holes隔离孔的芯吸
118 IPC-A-600H-201020104
Visual observations made on cross-sections only.对显微切片进行目检观察。