IPC-A-600H-2010 中文版 印制板的可接受性 (1).pdf - 第144页

In cases where anchoring spurs are attached to the lands, they shall be lapped by the coverlay. 当 焊 盘 上有 盘趾 时,覆盖 层 应当 将 盘趾 覆盖。 T arget Condition - Class 1,2,3 (⽬标条件 - 1,2,3级) • Meets nominal registration. • 满 足标 称 的 重 合 …

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Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
No unwanted material on foil surface.
铜箔表面没有材料。
Acceptable - Class 3(可接受条件 - 3级)
70 µm foil and below:于70µm及以下铜箔:
≤0.2 mm [0.0079 in].
≤0.2mm[0.0079in].
Above 70 µm foil于70µm上铜箔:
≤0.4 mm [0.0157 in] or AABUS.
≤0.4mm[0.0157in]或由供需双方协商确定。
Acceptable - Class 1,2(可接受条件 - 1,2级)
70 µm foil and below: 70µm及以下铜箔:
≤0.3 mm [0.0118 in]
≤0.3mm[0.0118in]
Above 70 µm foil70µm上铜箔:
≤0.5 mm [0.0197 in] or AABUS.
≤0.5mm[0.0197in]或由供需双方协商确定。
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。
4122a
4122b
4122c
4.1 FLEXIBLE AND RIGID-FLEX PRINTED BOARDS及刚挠性印制板)
4.1.2.2 Adhesive Squeeze-Out – Foil Surface(铜箔表⾯接剂的挤出
135IPC-A-600H-2010 20104
In cases where anchoring spurs are attached to the lands, they shall be lapped by the coverlay.
上有盘趾时,覆盖应当盘趾覆盖。
Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
Meets nominal registration.
足标要求。
Acceptable - Class 3(可接受条件 - 3级)
Coverlay or stiffener does not extend into the hole.
For supported holes, a solderable annular ring of 0.05 mm
[0.00197 in] or more for the full circumference.
For unsupported holes, a solderable annular ring of 0.25 mm
[0.00984 in].
覆盖强板没有至孔内。
对于 整个圆 上可焊孔环等于或大于0.05 mm
[0.00197in]
对于非支,焊孔环0.25mm[0.00984in]
Acceptable - Class 2(可接受条件 - 2级)
Coverlay or stiffener does not extend into the hole.
A solderable annular ring for 270° or more of the circumference.
覆盖强板没有至孔内。
上大于等于270°内有可焊孔环
Acceptable - Class 1(可接受条件 - 1级)
Coverlay or stiffener does not extend into the hole.
A solderable annular ring for 180° or more of the circumference.
覆盖强板没有至孔内。
上大于等于180°内有可焊孔环
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。
413a
413b
413c
4.1 FLEXIBLE AND RIGID-FLEX PRINTED BOARDS及刚挠性印制板)
4.1.3 Access Hole Registration for Coverlay and Stiffeners元器件孔与覆盖层及增强板的重合度)
136 IPC-A-600H-201020104
Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
Plating is uniform and meets the minimum thickness require-
ments.
No defects of the plating or base material present.
镀层均匀致且足最要求。
镀层或基材不在缺陷。
Acceptable - Class 1,2,3(可接受条件 - 1,2,3级)
Minor defects present but meet the minimum requirements:
a. Slight deformation of base material and minor smear.
b. Adhesive or dielectric filament with small nodule, but copper
thickness meets minimum requirements.
c. Localized thin and non-uniform plating; copper slightly thin
over one corner and minor extrusion of base material, but cop-
per thickness meets minimum requirements.
出现微缺陷,但足最要求:
a. 基材微变并有
b. ,但 足最
要求。
c.镀部偏和不均匀;其中一拐角铜层稍薄和基材
出现出,但足最要求。
Nonconforming - Class 1,2,3(不符合条件 - 1,2,3级)
Defects either do not meet or exceed above criteria and/or the fol-
lowing:
d. Adhesive filament causing cracks in plating.
e. Nodules, extrusion and deformation of base material violate
minimum hole size requirements.
f. Plating violates the minimum thickness requirement.
g. Circumferential voids.
缺陷不符合或出上述要求。
d. 剂细成镀层裂
e. 基材的起和变反了最小孔要求
f.镀反了最要求
g. 出现状空洞。
414a
414b
414c
4.1 FLEXIBLE AND RIGID-FLEX PRINTED BOARDS及刚挠性印制板)
4.1.4 Plating Defects(镀层缺
137IPC-A-600H-2010 20104