Questions and Comments

Have you got something to say? Visit any program page and use the Comment form at the bottom of the page to submit a comment or ask a question. Comments and questions are reviewed prior to posting.
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Nov 29, 2021
Why Battery Powered Cars Are Not the Future
EV's are absolutely not the future and are way to impractical. They are sold to the public the same way Ford sold the country the car. Hydrogen and fuel cells are not only a far ...
Mike Lewis

Nov 17, 2021
What is the Best Way to Clean Solder Stencils?
As always, when cleaning stencils either by hand, spray or ultrasonic bath, any solvent used should match the solvent used in the solder paste. IPA works on pastes with an alcohol-based solvent and aqueous-based solvents ...
Russell Claybrook, MicroCare, LLC

Nov 10, 2021
Intrusive Soldering Through-Hole Connector
It wasn't mentioned how many layers in board or which pins were not up to spec. My thoughts were ground or voltage plans within inner layer. IPC spec is 50% of barrel for ground planes ...
Patty Smith, BitFlow, Inc.

Nov 3, 2021
Vapor Phase and Backward Compatibility
The discussion completely skips over whether the components on the assembly can all be exposed to the condensation vapor. This needs to be checked thoroughly, as some components may not be able to undergo VPS ...
Richard Stadem, General Dynamics Mission Systems

Nov 1, 2021
How to Cost a Board
The question submitter writes, "A customer wants to pay .16 cents per component on a new assembly." I would want to pay $0.0016/part, too. Where do I sign up? I will presume the decimal point ...
Norman Berger, D&K Engineering

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