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Flexible Termination - Reliability in Stringent Environments

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Flexible Termination - Reliability in Stringent Environments

Failure due to board flex cracks persists as the dominant failure mode in multi-layer ceramic capacitors (MLCC). Board flex crack failures are often detected at in-circuit test, at functional test, and in the field. For high capacitance (HiCV) MLCC, the introduction of the flexible termination option (also referred to as soft termination or polymer termination) gives board designers an option to reduce the risk of board flex failure when board flex stress cannot be systematically removed from the board assembly process. (...) This paper is intended to show the impact of temperature cycling, high-temperature life tests, and multiple bend exposures to the MLCC with this flexible termination.

Credit / Source: B. Sloka, P. Staubli, K. Lai, A. Hill, J. Prymak, C. Riedl, P. Blais / KEMET

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QFN's and LGA's

Posted by dewt

I see more and more components like QFN or LGA with bottom-only terminations,with landpatterns getting finer all the time. I have no ppm-figures of our process, but based on a benchmark study by Agilent I'd say that 500 ppm is a decent value... »»

SMT placement machines. Where are we going?

Posted by Sr.Tech

I have this conversation with my co-worker tech guys often. Subject: What placement platform/manufacturer will dominate the future of sub-contract? or OEM for that matter. I have worked multiple placement platforms... »»

SMT Equipment for manufacturing Computer RAM Modules


I would like to know is my decision correct to purchase the following SMT machines for manufacturing of computer Ram modules and Computer Motherbaord... »»

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Conformal coating - masking problem with ammonia...

OS/2 Warp GSM not playing nice with the network...

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Conference | Parks Associates

Tue, June 02, 2009 | Santa Clara Convention Center, Santa Clara, USA

CONNECTIONS�: The Digital Living Conference and Showcase is the largest executive conference and showcase dedicated to advanced digital lifestyle solutions for residential and mobile environments... »»

Upper Midwest SMTA Expo & Tech Forum

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Thu, May 28, 2009 | Sheraton Hotel, Bloomington, MN, USA

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Six Sigma Green Belt Training - Intro to Six Sigma

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Industry Associations Events


SMTA - Surface Mount Technology Association is a non-profit international association of companies and individuals (totalling 4,000) involved in all aspects of advanced electronics assembly, surface mount and related technologies. Membership Info

SMTA Certification for SMT Processes and Six Sigma Green Belt


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May 21, 2009

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