Subject: | |
From: | |
Reply To: | |
Date: | Thu, 24 Sep 2015 17:55:43 -0700 |
Content-Type: | text/plain |
Parts/Attachments: |
|
|
I was so bummed out when Werner passed. Worked with him for a few
months about a year before (hired him as a consultant at the firm I was
working at at the time) for a BGA application. Talk about brilliant, he
had a mind like a knife.
Ken
Sent from my old and busted desktop
On Thu, Sep 24, 2015, at 05:49 PM, Bev Christian wrote:
> Rongjun,
> If Werner Engelmaier were still alive he would shake his finger at you!
> :)
>
> Solder joint strength is not necessarily a sign of a reliable joint. It
> might or might not mean that a joint is well made but not say much about
> reliability. For instance Ericsson (I believe) found that small (lower
> shear strength) solder joints for chip components were actually better
> because they were more ductile.
>
> That is why you will never find an official published list of pass/fail
> solder joint strengths.
>
> Bev
> Blackberry
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Deng RongJun
> Sent: September 24, 2015 3:31 AM
> To: [log in to unmask]
> Subject: [TN] Component solder reliability
>
> Hi Experts:
>
>
>
> Is there have an industry standard for component pull/push test? What is
> standard value for each component?
>
>
>
>
>
> RongJun Deng
>
> Electronics Engineer
>
> Design Link
>
> BB Electronics (Suzhou) Co., Ltd., EMS - from idea to solution
>
>
>
> Block E, No.58 Yangdong Road, Loufeng, Suzhou Industrial Park- 215122
> Suzhou - P.R.China
>
> Office: +86 512 6956 2880 - Direct: +86 512 6956 0125 - Fax: +86
> 512 6715 7266
>
>
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask]
______________________________________________________________________
|
|
|