Semiconductor Wafer Test Workshop 2015 Presentation – Are You Really Going To Package That?

Are You Really Going To Package That? - Ira Feldman and Debbora Ahlgren - SW Test 2015

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I had the pleasure of presenting “Are You Really Going To Package That?” at the 25th annual Semiconductor Wafer Test Workshop (SW Test / SWTW) on Tuesday June 9, 2015. Debbora Ahlgren and I took this opportunity to step back and look at how old paradigms in test-cell integration may lead to suboptimal solutions.

In an effort to reduce the cost-of-test (COT), a number of customers are increasing the parallelism of logic wafer probe cards. However, due to the complexity such as pitch and number of probes, the pricing for these cards is reaching astronomical levels. We do not believe this trend is sustainable, let alone logical. The presentation suggested examples of alternative solutions. It is clear that critical solutions need to be optimized at the test cell, factory, and supply chain level not just at the consumable (probe card) level.

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