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] ______________________________________________________________________