Electronics Forum | Thu Dec 07 10:10:49 EST 2006 | Learn from U
Hello, I need your advice..Welcome any input!! Cheers..
Electronics Forum | Thu Dec 07 14:23:30 EST 2006 | russ
I wuld say it is attachment method and post install force that is the problem not the size of the heatsink. we place heatsinks that are at least 5 times the size of BGA with no issue, they are attached with very precision torque drivers. Russ
Industry News | 2009-03-02 00:10:24.0
TORRANCE, CA � February 2009 � Seika Machinery, Inc., a leading provider of advanced machinery, materials and engineering services, announces that it will verbally represent its complete line of products and technologies at the upcoming SMTA Dallas Expo and Tech Forum, scheduled to take place Tuesday, March 3, 2009 at the Richardson Civic Center in Richardson (Dallas), Texas. Michelle Ogihara, Seika Machinery's Sales and Marketing Manager, will have product brochures available in the booth. Additionally, she will be available to answer questions about the company's products.
Reliability of BGA Solder Joints after Re-Balling Process SMTnet Express October 4, 2012, Subscribers: 25550, Members: Companies: 9004, Users: 33746 Reliability of BGA Solder Joints after Re-Balling Process First published in the 2012 IPC APEX EXPO
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/dage/test-types/first-bond-ball-pull-stud-bump-pull?con=t&page=7
. First bond ball pull utilises cold bump pull jaw technology to apply a vertical load (a pull test) to ball bonds and stud bumps. Ball shear tests can sometimes promote pad cratering due to the aggressive nature of the bonding process which can weaken the ball bonds
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2018/07/last-will-of-bga-void.pdf
: A total of 21 of 40 test vehicles had a void greater than 45% of solder ball diameter or 20% of ball area Solder crack path typically found at solder joint / BGA package interface Via in Pad (VIP
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