Electronics > Repair

HP 34401a DMM with leaking segments

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bitseeker:

--- Quote from: Kosmic on July 17, 2018, 03:28:44 pm ---
--- Quote from: qu1ck on July 17, 2018, 01:41:12 pm ---While I'm still waiting for the boards I though I'll show Kicad bom generating script I wrote a year ago. Adapted it to Kicad 5 as a plugin now, here is result (it will be deleted after a day):
http://ibom-showcase.bitballoon.com/

--- End quote ---

Really cool, good job!  :-+

--- End quote ---

That is a very cool tool!

Zucca:

--- Quote from: bitseeker on July 17, 2018, 09:01:20 pm ---
--- Quote from: Kosmic on July 17, 2018, 03:28:44 pm ---Really cool, good job!  :-+

--- End quote ---

That is a very cool tool!

--- End quote ---

Nice one, qu1ck is now in my buddies list.

qu1ck:
Well this is a hilarious fuckup (images clickable):



Do you see it?

How about now?



And yes, I double checked my gerber files, they are obviously correct :D
I'll try to scrape the solder mask off, maybe this batch is salvageable still.

How did they even manage to do this? Well, back to the fab with ya.

bitseeker:
Wow, not just one pad, but two of them. Maybe a bug in their software? Both cases were similar in that the trace to the pad continued straight through. However, there's a trace on the lower left that went through the pad to a via and that didn't get solder masked. Odd.

Zucca:

--- Quote from: qu1ck on July 20, 2018, 07:08:04 am ---I'll try to scrape the solder mask off

--- End quote ---

Yes, it will be not pretty but it should work.

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