Electronics Forum: qfn solderball (1)

LGA Processing

Electronics Forum | Thu Mar 29 14:55:59 EDT 2007 | HOSS

Hello, I searched the forums and found little specific info on LGAs with interior lands. This is not a QFN with a center pad. This is a multi-row BGA without solderballs. I'm looking for recommendations on PCB land to part land ratio, stencil a

Express Newsletter: qfn solderball (68)

Minimizing Voiding In QFN Packages Using Solder Preforms

Minimizing Voiding In QFN Packages Using Solder Preforms SMTnet Express July 27, 2012, Subscribers: 25333, Members: Companies: 8933, Users: 33366 Minimizing Voiding In QFN Packages Using Solder Preforms First published in the 2012 IPC APEX EXPO


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