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Asmyldof
Asmyldof
08:59
Situation: There were problems with a board production, in which components drifted towards each other in reflow.
Feedback from EMS to board fab: "There's no solder stop between the components, so they drift along their tracks, this causes fidelity problems for the customer"
Feedback from board fab: "Not our fault, there is a minimum sliver of 0.1mm in the designs and it needs to be 0.2mm"
Feedback from us: "WTF?!? 0.2mm? Are you using 1970's machinery, or what!?"
 
7 hours later…
Peter K
Peter K
15:52
@Asmyldof I mean, it's possible. There's a board fab around here (well, 1500 km from here, which is "around here" by Canadian standards) which still does 0.010"/0.010" two layer boards. They still have a "preferred drill" list and they haven't upgraded their equipment to do RoHS yet. Anything more complicated than that gets outsourced to a fab in the US. apcircuits.com
Asmyldof
Asmyldof
16:10
@PeterK I forgot to mention we're talking about a 12 layer, 0.1mm drill, 3mil/3mil board here
My standard Asian fabs all don't even bat an eyelid at 5mil/5mil/0.25mm drill containing 75um sliver. And deliver exactly what I expect without fail.
Peter K
Peter K
oh yeah, that's bizarre then.
The Photon
The Photon
@PeterK Yeah but they're known for being hot, fast, and cheap.
Peter K
Peter K
@ThePhoton So is Sunstone and they can do multilayer.
Asmyldof
Asmyldof
16:38
I can do dual layer 6mil/6mil/0.3mm in my own lab in a day
Just not the surface finishing, but that's hardly ever required at that level of technology in my work anyway
Although I have all I need to create a HASL machine
 
3 hours later…
The Photon
The Photon
19:18
Anybody know if there's any book like K&R (short, terse, just the facts) for modern C?
PlasmaHH
PlasmaHH
@ThePhoton no such thing. If you want the minimal facts, have a look at the standard itself. It already is big. K&R was tiny in comparison.
The Photon
The Photon
20:09
@PlasmaHH Balls
PlasmaHH
PlasmaHH
@ThePhoton whats the purpose? If you want something as a reference, learning to read standardese isn't too hard
The Photon
The Photon
@PlasmaHH I more want something to come up to speed on the features added since 1988.
But without reading 400 pages of fluff
PlasmaHH
PlasmaHH
@ThePhoton wikipedia artciles C99 and C11 should be a good start
The Photon
The Photon
And I'd rather have it in print, to save my eyes.
PlasmaHH
PlasmaHH
o_O
CTRL+P ?
Nick Alexeev
Nick Alexeev
20:16
@Asmyldof Alright, remind Marla now. The O.P have posted something that looks like a circuit diagram from a manual.
 
2 hours later…
PlasmaHH
PlasmaHH
21:47
only vaguely

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