PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-pad-size_topic2607_post12477.html
. Non-collapsing BGA's have larger pads to accommodate via-in-pad and establish an adequate annular ring. The BGA ball does not collapse around the edge of the pad like a collapsing ball does
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0.50 or lower, the normal dog-bone via fanout cannot be used. 2. The BGA Ball should collapse around the pad. 3. Most 0.50 mm pitch BGA balls are not collapsible
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/bga-pad-size_topic2607_post10649.html
0.50 or lower, the normal dog-bone via fanout cannot be used. 2. The BGA Ball should collapse around the pad. 3. Most 0.50 mm pitch BGA balls are not collapsible
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Posted: 29 Dec 2012 at 12:33pm The BGA "Pad Size" calculation is 1-Tier, but the Silkscreen Line Width, Ref Des Height and Local Fiducial Size
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BGA Pad Size Calculation - PCB Libraries Forum Forum Home > PCB Footprint Expert > Questions & Answers New Posts FAQ Search Events Register Login BGA Pad Size Calculation
