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Rework on a coated assembly happens often. How do you verify cleanliness of the rework site prior to re-coating? Jim Hall and Phil Zarrow, The Assembly Brothers, discuss this question and share their expertise. Board Talk Tests performed in this study demonstrate that a conductive adhesive using spherical, polymer silver particles can be used for no-contact jet printing. Production Floor The gap between computing demand and supply is growing. We are seeing a revolution due to the development of deep artificial neural networks. Technology Briefing A direct comparison was conducted between SnPb and lead-free solder joints focused on long-term thermal cycling reliability after being exposed to high-temperature aging Analysis Lab High-Ag, low-Ag: Which alloy fits best certain application? Here we present a report on the thermal and mechanical reliability of alloys. Materials Tech The performance with one alloy under design conditions that make soldering difficult demonstrate the need to evaluate the performance differences. Production Floor The iNEMI Connector Reliability Test Recommendations team recommends work to define test conditions to evaluate the expected degradation of connectors under the stress levels. Analysis Lab Are old components such as resistors and circuit breakers more likely to cause blowholes during wave soldering compared to newer components? Board Talk This paper details a water-soluble lead-free solder paste that has improved voiding performance and washability over previous generations of solder paste. Materials Tech Production of metals with low thermal expansion, called Invar, are critical for the aerospace, cryogenic transport, energy, and precision instrument sectors. Technology Briefing |
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