Hello
.001 mil pads ?????
rather optimistic. I did .003 mil pads. not all machines out there will do
this though
great machines though, could not live without one, or two, or three.....
Wolfgang
> -----Original Message-----
> From: Phil Dutton [SMTP:[log in to unmask]]
> Sent: Thursday, January 27, 2000 7:18 PM
> To: [log in to unmask]
> Subject: Re: [TN] Test pad size for flying probe tester
>
> Hello,
>
> I also have an interest in this discussion, as a PCB designer trying to
> provide 100% flying probe test access for our boards.
> Am I understanding you correctly in that it is possible to hit pads only
> 0.001" square?!!
> If this is really the case, then our local testers need to get their act
> together. Trying to provide 0.032" test pads on a dense design using 5/5
> technology and 1mm pitch BGA's is a pain.:(
>
> regards,
>
> Phil.
>
> At 15:51 27/01/00 -0500, you wrote:
> >Mike (SD)
> >Hey partner how are you doing? Here is some info and a contact for info
> on
> >Flying Probe.
> >
> >PROS
> >
> >* No fixture required
> >* Good for prototypes
> >* Can hit pads <1 mil square
> >* Only method for testing MCM substrates
> >* Can provide 100% nodal test on high density PCBs (BGA, CSP, TAB,
> >DIE)
> >
> >CONS
> >
> >* Slow
> >* bottleneck on high volume facility
> >* vias????
> >* Cannot perform leakage
> >* Shorts test takes a long time
> >* Requires a vision camera, and alignment system
> >* Accurate fiducials
> >* Excessive Bow & Twist can create problems
> >
> >There are probably other pros and cons . . . etc., . . . here is the name
> >and address of a guy that can provide you with some great info and can
> help
> >if you want it.
> >
> >Robert J. Hanson
> >AmeriCom Test & SMT Technology, Inc.
> >883 Park Ave. NE
> >Bainbridge Island, Washington
> >98110
> >Telephone: 206-855-9697
> >Fax: 206-780-0946
> >e:mail: [log in to unmask] <mailto:[log in to unmask]>
> >
> >Give me a call.
> >Ron Hollandsworth (SD)
> >
> >
> >
>
>
> Phil Dutton C.I.D.
> Senior CAD Technician
> IPC Certified Interconnect Designer
> Vision Abell Pty Ltd
> Second Avenue, Technology Park,
> Mawson Lakes. SOUTH AUSTRALIA 5095
> ===============================================================
> Phone : (08) 8300 4400 (reception)
> Fax : (08) 8349 7420
> email: [log in to unmask]
> Internet Page: http://www.vsl.com.au
> ===============================================================
>
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