Hello, Jin:
  我们在这个问题上通常只能参考其它能看得到的元件来判断.要找出同一块板上有相同孔径,相同大小元件脚的,能够看得到的元件脚,焊盘大小也要差不多.如果比较的元件没有问题.我们可以相信这种元件也没有问题.
  我们要注意的是有些电解电容,贴板太紧,导致空气无法排除,而引响焊接.
    Thanks!
    John Ling
    Loud China
  
----- Original Message -----
From: [log in to unmask] href="mailto:[log in to unmask]">Jin, Lucia (Yan)
To: [log in to unmask] href="mailto:[log in to unmask]">[log in to unmask]
Sent: Monday, March 24, 2008 3:40 PM
Subject: [TGA] 请教问题

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各位好!


请教一个问题:


如何辩识通孔元件中支撑孔的垂直填充,元件的类型如附件,无法看到主面的润湿情况.

 

谢谢!

 

Thanks & Best regards

Lucia Jin

 

SANMINA-SCI SYSTEM(KUNSHAN)CO.,LTD.

Visit Us: www.SANMINA-SCI.com

(: Office  (+86512) 57714449  

 

 


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ABSENT AN EXPRESS STATEMENT TO THE CONTRARY HEREINABOVE, THIS E-MAIL IS NOT INTENDED AS A SUBSTITUTE FOR A WRITING. Notwithstanding the Uniform Electronic Transactions Act or the applicability of any other law of similar substance and effect, absent an express statement to the contrary hereinabove, this e-mail message its contents, and any attachments hereto are not intended to represent an offer or acceptance to enter into a contract and are not otherwise intended to bind the sender, Sanmina-SCI Corporation (or any of its subsidiaries), or any other person or entity.