Electronics Forum | Mon Aug 13 12:03:50 EDT 2007 | davef
Test results indicated that the life of lead-free solder at a 2512 chip resistor could be worse than of SnPb solder in the accelerated thermal cycling condition. [Development of Life Prediction Model for Lead-free Solder at Chip Resistor, Changwoon H
Electronics Forum | Wed Aug 04 12:35:15 EDT 1999 | Dave F
| | | | I have been asked to supply a maximum shelf life for our assemblied PCB's. I realise this is dependent on so many factors- temperature, humidity, no of layers etc. But does anyone have a formulae for calculating shelf life, or does anyone kno
Electronics Forum | Sat Feb 14 19:35:51 EST 1998 | C. Lao
Mr Lao We have some specialist knowledge on this subject and offer both equipment and services for these tests. My first recommendation is that take coupons manufactured by your PC Fabricator and then samples at each manufacturing stage: Bare coupon
Electronics Forum | Thu May 11 16:48:57 EDT 2006 | patrickbruneel
In all fairness no one has the answer for you, non of the lead-free alloys has been long enough in use or have supporting long-term reliability data. No matter what alloy you will use, your company will be at risk, that�s why so many exemptions are a
Electronics Forum | Mon Aug 27 15:06:29 EDT 2001 | davef
This otta push Wolfgang over the top ... Recommended reading G.G. Harman, Wire Bonding in Microelectronics : Materials, Processes, Reliability, and Yield, 2nd edition, McGraw-Hill Electronic Packaging and Interconnection Series, 1997. G.G. Harman, R
Electronics Forum | Tue Nov 01 12:33:26 EDT 2011 | davef
snip Dear Reader, Five years of ground-breaking innovation at blazing speeds in the realm of flex circuits has culminated in the publication of Flexible Circuit Technology, 4th Edition. Joseph Fjelstad, a world-renowned expert in the field and a 40