IPC-A-600H-2010 中文版 印制板的可接受性 (1).pdf - 第43页

T arget Condition/Acceptable - Class 1,2,3 (⽬标条件/可接受条件 - 1,2,3级) • No lifting of lands. • 无 焊 盘 起 翘 。 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 超 出上述要求。 …

100%1 / 180
Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
No voids.
空洞。
Acceptable - Class 3(可接受条件 - 3级)
No more than one void in any hole.
Not more than 5% of the holes have voids.
The void is not more than 5% of the hole length.
The void is less than 90° of the circumference.
内空洞1
空洞的孔数5%
空洞长度不大于其孔长5%
空洞90°
Acceptable - Class 2(可接受条件 - 2级)
No more than three voids in any hole.
Not more than 5% of the holes have voids.
Any void is not more than 5% of the hole length.
All voids are less than 90° of the circumference.
内空洞3
空洞的孔数5%
一空洞长度不大于其孔长5%
所有空洞90°
Acceptable - Class 1(可接受条件 - 1级)
No more than five voids in any hole.
Not more than 15% of the holes have voids.
Any void is not more than 10% of the hole length.
All voids are less than 90° of the circumference.
内空洞不5
空洞的孔数15%
空洞长度不大于其孔长10%
所有空洞90°
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。
254a
254b
254c
2.5 HOLES – PLATED-THROUGH – GENERAL(镀覆孔 通则)
2.5.4 Voids – Finished Coating(最终涂覆层空洞)
34 IPC-A-600H-201020104
Target Condition/Acceptable - Class 1,2,3
(⽬标条件/可接受条件 - 1,2,3级)
No lifting of lands.
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。
255a
255b
255c
2.5 HOLES – PLATED-THROUGH – GENERAL(镀覆孔 通则)
2.5.5 Lifted Lands (Visual)(焊盘起翘 (⽬检)
35IPC-A-600H-2010 20104
Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
Copper surface is planar with no indication of cap plating.
表面盖覆电镀象。
Acceptable - Class 1,2,3(可接受条件 - 1,2,3级)
When cap plating of the filled via is specified on the procurement
documentation, the requirements of 2.7.1.1 and the requirements
of the applicable performance specification for rectangular and
round surface mount pads shall apply.
No plating voids exposing the resin fill area, unless covered by
solder mask.
Visually discernable protrusions (bumps) and/or depressions
(dimples) that meet the microsection requirements of the appli-
cable performance specification.
当采文件中规定盖覆电镀时,表面
应当采用2.7.1.1节的要求和适用的性能规范要求。
非被覆盖,否则不能有树脂填区域的镀层
洞。
目视可陷()和起(凸块足适用的性能
规范中显微切片的要求。
256a
256b
256c
2.5 HOLES – PLATED-THROUGH – GENERAL(镀覆孔 通则)
2.5.6 Cap Plating of Filled Holes – (Visual)(填塞孔的盖覆电镀 (⽬检)
36 IPC-A-600H-201020104