Electronics Forum: 2-sided bga (Page 1 of 1)

2-sided BGA

Electronics Forum | Tue Jan 30 10:29:08 EST 2001 | sim_ad

How can you do an assembly with BGA on both side?

2-sided BGA

Electronics Forum | Tue Jan 30 21:13:26 EST 2001 | davef

Two options: 1 Glue 2 Use a dedicated work holder with 'pockets' milled out to accommodate the components on the first side of the board after reflow. Some prefer a pallet that runs all the way through their process. So, these pallets: * Feature

Thermally Conductive Epoxy

Electronics Forum | Fri Aug 03 22:36:28 EDT 2001 | mugen

We used Thermal Pads, made of black rubbery material, and sticky on both sides (like x2 side tape), intent is to place in between, BGA/QFP and the PCB board, and reduce the air-gap flow between, the PCB to SMD... air-gap will permit air flow, that i

BGA mounting sequence

Electronics Forum | Sun Mar 20 15:05:28 EDT 2011 | floydf

We are preparing to run a 2-sided board with BGAs on one side and passives on the other side. We have two schools of thought on which side we should run first. One school says run the passive side first, then run the BGA side and the surface tensio

intro to 2 sided assembly

Electronics Forum | Tue Dec 04 09:35:58 EST 2001 | jdill

I have successfully reflowed 208,100 pin QFP'S and SOJ 28's on the bottom side of the board. The only thing i am "SCARED" to reflow on the bottom side are BGA'S. We used to turn off the bottom heaters but we did a trial run with them off and the boa


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