You might be able to find a crown type large enough to probe either 
populated or unpopulated boards. Have you tried targeting the edge of the 
hole with a crown type? Unless the fillet is very large that might work.

Javid

----- Original Message ----- 
From: "Jon Elson" <[EMAIL PROTECTED]>
To: "Enhanced Machine Controller (EMC)" <emc-users@lists.sourceforge.net>
Sent: Monday, October 15, 2007 8:54 PM
Subject: Re: [Emc-users] Pluto Alternatives


> Stephen Wille Padnos wrote:
>> Actually, there's a better way :)  (getting rid of the solder is one of
>> the pains of replacing those connectors.)
>>
>> There are hundreds of kinds of pins for bed-o-nails fixtures, including
>> ones that are meant to toich pins (cup varieties), ones that are meant
>> to touch bare metal areas like SMT pads (castle-type, I think), and ones
>> that are meant to poke into empty holes, which are basically cone shaped.
>>
>> These are also available in sockets - you populate the socket into the
>> text fixture board, and then you can choose which type of pin to insert,
>> and can repair a bent/broken probe pin by just putting in a new one.
>>
>> At my old company, test jig repairs were basically eliminated when we
>> went to the socketed probe pins.
> Yes, I have cup-type socketed probe pins from Interconnect
> Solutions, I think, in my test unit.  I could probably replace
> the pins with different types, but there are only certain type
> of pins that fit each size socket.  These are some fairly big
> holes in the board, so I might not be able to get big enough
> pins for the empty holes.  But, probably there is something that
> would work.  But, I'd have to change 60 contacts to swap the
> fixture over from populated to non-populated terminals strips.
> That could also get to be a drag.
>
> Jon
>
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