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GB/T 4588.3-2002国家标准
【文件名】:09122@52RD_GB-4588.3-2002.pdf
【格 式】:pdf
【大 小】:1737K
【简 介】:
【目 录】:
目录
前言·....................................................................................................................... Ifl
1 范围··························································································,···、···········,···⋯ ⋯ 1
2 引用标准·····························,··············,·················,··························、····,······.···⋯⋯ 1
3 材料和表面镀(涂)覆层·....................................................................⋯⋯,·.····...⋯⋯ 1
3. 1 材料······················,······,···········,········,·····,···········································,······⋯ ⋯ 1
3,2 金属镀租层·........................................····················,···············,···················⋯⋯ 4
3,3 非金属涂搜层··································,····························,··············.··,·,······⋯ ⋯ 5
4 组装·.................................................................................................................... 11
5 尺寸··························,··········。.............................................................................. 11
5, 1 参考基准·........................................................···········································⋯⋯ 11
5.2 印制板的外形尺寸·................................................................................·⋯ ⋯ 12
5.3 印制板的厚度························,·························································.············⋯⋯ 12
5.4 孔的尺寸·····················,······,········,··,·············································‘··············⋯⋯ 13
5. 5 槽和缺口的尺寸·.................................................................................................. 14
5.6 导线的尺寸·...................................................................................................·一14
5.7 尺寸稳定性·..............................................··,···············································⋯⋯ 17
6 电气性能·...................................................................................................····⋯⋯ 17
6. 1 电阻·................................................................................................................. 17
6.2 载流量.......................................................,..........................................······⋯⋯ 18
6. 3 绝缘电阻··。·································,··,··································,···········,··············⋯⋯ 22
6. 4 耐压·············································,···········。··,········,···········‘····,··················⋯ ⋯ 22
6.5 其他电气性能...................................................................................................... 24
7 机械性能···················,,········,···,··························,····················,······················⋯⋯ 28
7. 1 导电图形的附着力········································、············.......................................,二28
7. 2 翘曲度·.............................................................................................................. 30
8 其他性能............................................................................................................... 30
8. 1 焊接·..............................................··········,·······························,·················⋯⋯ 30
8. 2 分层·................................................................................................................. 32
8.3 阻燃性·.............................................................................................................. 32
9 包装········,·····························】······························,·················,·····················⋯⋯ 34
9. 1 概述..................................................................................................................科
9. 2 包装材料·...........................................................................................................34
9. 3 包装步骤······················································,·············‘·································⋯⋯ 35
附录A(标准的附录) 确定永久性保护涂层余隙窗口的尺寸,............................................... 36 |
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