IPC-A-600H-2010 中文版 印制板的可接受性 (1).pdf - 第165页

T arget Condition - Class 1,2,3 (⽬标条件 - 1,2,3级) • Insulation material fills the entire area between the PTH and the metal core without any voids or areas of missing insulation. • 镀 覆 孔 与 金 属 芯 之 间 的 整个 区域 填满绝缘 材料,没有 任何 空…

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Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
Insulation thickness exceeds requirements of the table below.
绝缘厚度超过下表要求。
Acceptable - Class 1,2,3(可接受条件 - 1,2,3级)
Insulation thickness meets requirements of the table below.
绝缘厚足下表要求。
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。
Description
(说明)
Insulation Process*缘制程*
ABC D
Hole (minimum)
(孔(最
0.050 mm
[0.0020 in]
0.025 mm [0.000984 in] -
0.065 mm [0.00256 in]
0.125 mm
[0.004921 in]
0.125 mm
[0.004921 in]
Surface (minimum)
(表⾯(最
0.050 mm
[0.0020 in]
0.025 mm [0.000984 in] -
0.065 mm [0.00256 in]
0.125 mm
[0.004921 in]
N/A
Knee** (minimum)
拐⾓**(最
0.025 mm
[0.000984 in]
0.025 mm
[0.000984 in]
0.075 mm
[0.00295 in]
N/A
*Applies to insulated-metal-substrate board only.
**Junction where the hole wall and surface meet.
Process A - Spray Coating
Process B - Electrophoretic Deposition
Process C - Fluidized Bed Process
Process D - Molding Process
*适用于绝缘金基材型金印制板
**和板面相交
制程A - 制程
制程B -电泳沉制程
制程C - 流化制程
制程D - 模塑制程
423a
423b
423c
4.2 METAL CORE PRINTED BOARDS(⾦属印制板)
4.2.3 Insulation Thickness, Insulated Metal Substrate⾦属基板的度)
156 IPC-A-600H-201020104
Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
Insulation material fills the entire area between the PTH and the
metal core without any voids or areas of missing insulation.
整个区域填满绝缘材料,没有任何
洞或绝缘材料缺区域。
Acceptable - Class 1,2,3(可接受条件 - 1,2,3级)
Insulating material meets minimum thickness and dielectric spac-
ing requirements.
Voids or resin recession does not cause spacing to be less than
acceptability requirements.
充的绝缘材料足最间距的要求。
空洞或树脂没有造间距低于可接受性要求。
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。
424a
424b
424c
4.2 METAL CORE PRINTED BOARDS(⾦属印制板)
4.2.4 Insulation Material Fill, Laminated Type Metal Core(层压型⾦属板的缘材料填
157IPC-A-600H-2010 20104
Target Condition - Class 1,2,3(⽬标条件 - 1,2,3级)
There are no cracks in the insulating fill material.
绝缘填充材料中没有
Acceptable - Class 1,2,3(可接受条件 - 1,2,3级)
Wicking, radial cracks, lateral spacing or voids in the hole-fill
insulation material does not reduce the electrical spacing between
adjacent conductive surfaces to less than 100 µm [0.003937 in].
Wicking and/or radial cracks does not exceed 75 µm [0.00295 in]
from the PTH edge into the hole-fill.
绝缘材料中的向裂向间距或空洞等没
有将导电面之电气间距到低于100µm[0.003937
in]
边缘物间和(或)向裂
75µm[0.00295in]
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。
425a
425b
425c
4.2 METAL CORE PRINTED BOARDS(⾦属印制板)
4.2.5 Cracks in Insulation Material Fill, Laminated Type(层压型缘材料填充中的裂
158 IPC-A-600H-201020104