IPC-A-610E和J-STD-001E中都有规定。
Best Regards,
James Liu 刘春光
Director, IPC China Training Centers/Technology 培训中心主任/技术总监
IPC China
北京市经济技术开发区荣华中路15号朝林大厦B05
Room B05, Zhaolin Building, #15 Ronghua Zhong Road, BDA 100176 Beijing China
Tel: +86 10 67885326
Fax: +86 10 67885326
MP: +86 136 0133 3491
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发件人: TGAsia [mailto:[log in to unmask]] 代表 Zaijun (Army) Yi
发送时间: 2011年8月29日 19:43
收件人: TGAsia
主题: [TGAsia] 请教:电阻反贴
各位专家:
请教下,同一板PCBA上,对贴片电阻贴反现象有没有定义:
1. 多大规格的可以反贴?(如是1206,还是1006等)
2. 如同一种规格电阻允许反贴, 则允许多少个?
3. 不同种规格同一片板上最多允许多少个反贴?
4. 有没有什么文件或标准对贴反进行要求的
以上,比较急,盼相关专业人士帮忙解答,谢谢!
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