kabaleevisu
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Hi everyone,
In my board has 0.65mm pitch BGA.via pad size is 14 and drill is 8 (in mil) used between 2 ball .when i send the gerber file to manufacturer side ,i got some issue in design.
the manufacturer need via pad is 0.5mm and annual ring is must be .125m .if i change the via size in BGA i get error in design
i felt if via pad size is increase air gap(clearance ) will change , so design well affect .please anyone help for how to set the constraint in 0.65 mm pitch BGA.....
In my board has 0.65mm pitch BGA.via pad size is 14 and drill is 8 (in mil) used between 2 ball .when i send the gerber file to manufacturer side ,i got some issue in design.
the manufacturer need via pad is 0.5mm and annual ring is must be .125m .if i change the via size in BGA i get error in design
i felt if via pad size is increase air gap(clearance ) will change , so design well affect .please anyone help for how to set the constraint in 0.65 mm pitch BGA.....