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In lugnet.org.ca.rtltoronto, Iain Hendry writes:
> > What is that thing doing? Is it like probing contacts on an SMT chip • thats'
> > supposed to be there?
>
> I could go back to the page and copy/paste the text, but because I'm on
> dialup I'm not going to bother, and intsead I'm just going to say: "Go look
> at the link I bothered to logically quote above for all the information."
> (Why would it "probe" contacts? What does probing involve, Calum? :)
> Wouldn't it solder or check continuity or the like?)
The webpage says "high speed PCB assembly, inspection, manipulation, and
sorting." That to me suggests the manipulation of PCBs themselves, yet the
video shows the robots doing something to locations ON the PCB (ie, where
chips would be). Perhaps they mean assembly and manipulation of components
on the PCB. Which leads me to...
I'm not sure how they solder those SMT chips-I always thought they were done
with wave soldering, not individual legs/contacts.
As for probing the contacts, that be to inject a signal into one pin and
watch the output of others, or to use some sort of automated diagnostic
process like JTAG?
Calum
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Message has 1 Reply:
 | | Re: SCARA *rocks*
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| (...) Surface mount isn't done with wave soldering. Wave soldering, by it's nature involves a wave of solder (who'd 've guessed). There are three major problems you run into with wave soldering: 1) the solder has a fairly high mass and as the wave (...) (22 years ago, 12-Apr-02, to lugnet.org.ca.rtltoronto)
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Message is in Reply To:
| | Re: SCARA *rocks*
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| "Calum Tsang" <tsangc@mie.utoronto.ca> wrote in message news:GuBrr4.H8F@lugnet.com... (...) (URL) - (...) thats' (...) I could go back to the page and copy/paste the text, but because I'm on dialup I'm not going to bother, and intsead I'm just going (...) (22 years ago, 9-Apr-02, to lugnet.org.ca.rtltoronto)
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