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From [log in to unmask] Sat Apr 27 15: |
07:16 1996 |
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Al Slagle wrote:
__________________________________________________________________
>AS DESIGNERS, WE OFTEN REMOVE SPECIFIC INTERNAL PADS BECAUSE OF DESIGN
>CONSIDERATIONS; HIGH VOLTAGE, DENSITY PROBLEMS, RIGID-FLEX PCB'S, >WHATEVER.
>BUT, WHEN FAB SHOPS WANT TO DO SO WE BAULK.
>WE HAVE TO PULL PADS TO CREATE A VALID PCB DESIGN.
>THEY WISH TO PULL PADS TO INCREASE THEIR YIELDS.
>SO THE NEXT LOGICAL QUESTION IS; IF YOU ARE GOING INCREASE YOUR YIELDS AND
>INCREASE YOUR PROFITS WHEN PRODUCING OUR BOARDS. ARE YOU ALSO GOING TO
>PASS ALONG SOME OF THE SAVINGS BACK TO YOUR CUSTOMERS??
>TELL US HOW MUCH WE MIGHT BE LOWERING OUR COSTS, AND THEN LET'S DECIDE.
>AL SLAGLE
>CAD DESIGNER
>HONEYWELL DASD
____________________________________________________________________
If the pads are pulled is the design invalid???
maybe sometimes but not always.
If your design causes a decrease in yields will you pay more for the
product, if an alternative design does not have a detrimental efect?
Why would you baulk if the change does not impact performance?
brian
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