New 3-D technologies with robust interconnects and thermal solutions are on the way.

Ed.: This is the fifth of an occasional series by the authors of the 2019 iNEMI Roadmap. This information is excerpted from the roadmap, available from iNEMI (inemi.org/2019-roadmap-overview).

Aerospace and defense (A&D) products face several challenges unique to this particular market segment, including the extreme environments in which they operate, need for security, desire for reworkability, long duration storage requirements and the functional lifetime over which the products are expected to perform and be supported.

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The merits of using flying probe for functional test and FAI.

I am often asked by prospective customers if there is a spreadsheet analysis tool to calculate ROI for comparing the cost to purchase and use a flying probe tester versus test fixturing for testing assembled PCBAs. Custom bed-of-nails test fixturing is expensive and not cost-effective in a high-mix environment. In addition to fixture cost and the time/cost to get tests ready for production, often design-for-test considerations do not provide access for effective ICT coverage with a fixed-pin test solution. Flying probe testers aren’t cheap either, however, and manufacturers want to compare these two very different approaches before making a decision.

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New 3-D technologies with robust interconnects and thermal solutions are on the way.

In the wake of pandemics and travel bans, visitors still turned out for the annual exhibition.