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THE MODELLING OPTION ... LEAD-FREE SOLDERED CIRCUITRY FACES A RELIABILITY ONCEOVER
04 April 2005 - TWI (The Welding Institute)
| The reliability of printed circuit boards which use lead-free solder can now be modelled using calcePWA software at TWI. |
The reliability of printed circuit boards which use lead-free solder can now be modelled using calcePWA software at TWI. The software simulates the effect of temperature profiles and mechanical loading over the design life of a PCB, to predict times to failure. This approach indicates where joints will fail as a function of thermal and mechanical loadings. Costly field failures can be avoided by modifying PCBs at the design stage. TWI can simulate boards made with leaded or unleaded solders, for a range of industry sectors including military, automotive, avionics/space and consumer electronics.
http://www.twi.co.uk
About: TWI (The Welding Institute)
TWI Ltd, the operating arm of The Welding Institute, is one of the world's foremost independent research and technology organisations. Based at Great Abington near Cambridge since 1946, TWI provides industry with engineering solutions in structures incorporating welding and associated technologies (surfacing, coating, cutting, etc.) through - information; advice and technology transfer; consultancy and project support; contract R&D; training and qualification, personal membership.It is the only single source of expertise in every aspect of joining technology for engineering materials - metals, plastics, ceramics and composites. TWI is a non-profit distributing company, limited by guarantee and owned by its Members; it is therefore able to offer independent advice. It is internationally renowned for bringing together multidisciplinary teams to implement established or advanced joining technology or to solve problems arising at any stage - from initial design, materials selection, production and quality assurance, through to service performance and repair. Over 450 skilled staff are dedicated to helping industry apply all forms of joining technology safely and efficiently. Some 3200 companies and organisations - representing virtually all sectors of manufacturing industry from over 60 countries around the globe - benefit from TWI services. TWI undertakes contract R & D in confidence for both industry and governments. As a consultant it can offer individual experts or teams able to help solve problems of all kinds related to materials joining. It will send its specialists anywhere in the world at short notice on troubleshooting missions. |
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