IPC-A-600H-2010 中文版 印制板的可接受性 (1).pdf - 第127页

T arget Condition - Class 1,2,3 (⽬标条件 - 1,2,3级) • Direct bond of plated copper to copper foil. No evidence of inner- layer separation (separation between internal lands and plating of the hole wall) or innerlayer inclusi…

100%1 / 180
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。
Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
Direct bond of plated copper to copper foil. No evidence of inner-
layer separation (separation between internal lands and plating of
the hole wall) or innerlayer inclusions.
镀铜层铜箔直接接合,不在内(内层连
镀层间的分)或内层夹杂物
Acceptable - Class 2,3(可接受条件 - 2,3级)
No separation evident.
没有分象。
Acceptable - Class 1(可接受条件 - 1级)
Partial innerlayer separation or innerlayer inclusions on only one
side of hole wall at each land location on no more than 20% of
each available land.
对于每孔焊,在不20%的范内,
的一出现内部分分或内层夹杂物
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。
3314a
3314b
3314c
3.3 PLATED-THROUGH HOLES – GENERAL(镀覆孔 则)
3.3.14 Innerlayer Separation Vertical (Axial) Microsection层分 垂直轴向)显微切⽚)
119IPC-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 separation between the internal layer and plating in the hole.
Direct bond of plated copper to layer foil copper. Line of demar-
cation caused by preferential etching of electroless copper
deposit.
中内层铜箔镀层没有分镀层与内层铜箔直接接
合,两的分线是由于镀铜优先刻而的。
Acceptable - Class 2,3(可接受条件 - 2,3级)
No separation evident.
没有分象。
Acceptable - Class 1(可接受条件 - 1级)
Slight line of demarcation and localized minor innerlayer separa-
tion that does not exceed specified requirements.
微的分线并有微的部内,但未超过规
定的要求。
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。
3315a
3315b
3315c
3.3 PLATED-THROUGH HOLES – GENERAL(镀覆孔 则)
3.3.15 Innerlayer Separation Horizontal (Transverse) Microsection层分 ⽔平横向)显微切⽚)
120 IPC-A-600H-201020104
Visual observations made on cross-sections only.对显微切片进行目检观察。