Recent content by JoeTest

One or two layers of 2 oz. composite material bonded to a thin waterproof layer as the substrate for copper is an example of what I had in mind.

I'm looking for a company that could use special materials making a PCB substrate. Google hasn't helped much. Any suggestions?

I'm planning on buying an OVTT Random Vibration table to do just a little HALT testing of a structure made of composites and containing PCBAs. That will be followed by ongoing HASS screening over a temperature range with vibe. The DUT only weighs a few pounds but the shaker weighs 140. I...

Both Shock and Gunfire Shock call out a "potential piezoelectric activity of materials" as one of the potential responses of the test article to the test. Can someone give an example of that activity, particularly if it relates to PCBA's or composities like fiberglass. Thanks!