Al Slagle wrote:
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>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
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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