Reballing uBGA? - HOW? - GSM-Forum

AlQuds · 08-11-2002, 01:53

Any kind person, who will help to explain gow to reball uBGA ICs from mobilephones. And how to make a new balls on new ICs.

Please shoe us step by step for changing uBGAs.

Many thanks

Trier · 08-11-2002, 02:22

http://www.impextrom.com/video.htm

AlQuds · 08-11-2002, 02:32

Thanks m8!

But I could not undertand sapnish. Is there a site with english!

Thanks a lot!

willy · 08-11-2002, 08:08

AlQuds ,

If your BGA chip has no glue, then you try to put enough flux to put under BGA chip, then exercise many time, try to remove BGA chip, and detain all ball in PCB!

for you reball to chip, i think, use 0.5 mm bga ball for CCONT, COBBA, Hager , even CPU !

please do not use tin paste ....it make ball different size !

Willy

Quote:

Originally posted by AlQuds
Any kind person, who will help to explain gow to reball uBGA ICs from mobilephones. And how to make a new balls on new ICs.

Please shoe us step by step for changing uBGAs.

Many thanks

AlQuds · 08-15-2002, 22:33

Hello Willy

How to get these 0.5 mm bga ball. I have the mask to make balls with tin paste. But I new to it and could not do it well.

Any instructions to do a good reballed BGA?

Thanks for your help

willy · 08-16-2002, 08:39

Alquds,

You can try to check :

http://www.alphametals.com

i order 0.5 mm ball from them
they also have some instructions to do !

Willy

Quote:

Originally posted by AlQuds
Hello Willy

How to get these 0.5 mm bga ball. I have the mask to make balls with tin paste. But I new to it and could not do it well.

Any instructions to do a good reballed BGA?

Thanks for your help

08-11-2002, 01:53	#1 (permalink)
AlQuds Insane Poster Join Date: Apr 2002 Location: Denmark Posts: 91 Member: 10692 Status: Offline Thanks Meter: 0	Reballing uBGA? - HOW? Any kind person, who will help to explain gow to reball uBGA ICs from mobilephones. And how to make a new balls on new ICs. Please shoe us step by step for changing uBGAs. Many thanks

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08-11-2002, 02:22	#2 (permalink)
Trier No Life Poster Join Date: Jan 2001 Location: La Coruña-Spain Posts: 1,146 Member: 3035 Status: Offline Thanks Meter: 2	http://www.impextrom.com/video.htm

08-11-2002, 02:32	#3 (permalink)
AlQuds Insane Poster Join Date: Apr 2002 Location: Denmark Posts: 91 Member: 10692 Status: Offline Thanks Meter: 0	Thanks m8! But I could not undertand sapnish. Is there a site with english! Thanks a lot!

08-15-2002, 22:33	#5 (permalink)
AlQuds Insane Poster Join Date: Apr 2002 Location: Denmark Posts: 91 Member: 10692 Status: Offline Thanks Meter: 0	Hello Willy How to get these 0.5 mm bga ball. I have the mask to make balls with tin paste. But I new to it and could not do it well. Any instructions to do a good reballed BGA? Thanks for your help