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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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Forum

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

Posted by VTECH COMPUTERS

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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CONNECTIONS� 2009

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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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Alpha Technology is a Contract Manufacturer located in Anderson, SC. Alpha has been in business for 26 years and is looking to expand its current customer base...»»

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May 21, 2009

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