Quote:
Originally Posted by ortek_service
You can apparently obtain solder in small uniform ball sizes, that are used to re-ball BGA's from unleaded to leaded for people exempt from using lead-free, for best reliability. But may not be easily available to those not doing the re-balling process, that actually often seemed to result in damaged IC's.
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I have now given up on trying to re-solder the keyboard sensors IC back onto the ceramic substrate, after many attempts non would work.
By chance I found a company in the Czech Republic that will ship to the UK and they have the TESLA Hall sensors,
DSM Components
So this MicroSwitch Keyboard might just make it back to working condition.