PROBLEMS RELATED TO DRILLING HOLES

THE ABOVE IMAGES SHOW POOR DRILL ALIGNMENT TO THE COPPER PATTERN

THE ABOVE IMAGES SHOW DRILLS THAT ARE TOO BIG FOR PAD SIZE ON THE BOARD

THE ABOVE IMAGES SHOW THE EDGE OF THE HOLE EDGES BEING DAMAGED BY EXCESS PRESSURE DURING THE BRUSHING PROCESS AFTER DRILLING BUT BEFORE PLATING

THIS PICTURE SHOWS HOLES MADE USING A BROKEN DRILL BIT

Page Maintained By Phil

Last Updated 3rd February 2004

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