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| Resolder tower stacked TSOPs http://forum.hddguru.com/viewtopic.php?f=10&t=14609 |
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| Author: | EvilStevil [ January 22nd, 2010, 18:39 ] |
| Post subject: | Resolder tower stacked TSOPs |
Hello boys and girls! Any clue how to resolder stacked flash chips that have a thin pcb in between the pins? I need to put them back together, and back on the board. I put the first chip on the board, then blasted the chip with hot air and set the pcb on top with a tweezers, but the pcb spacer does not sit on the pins very well. I have a ton of these to resolder! YIKES! Any guesses? Thanks! |
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| Author: | pepe [ January 23rd, 2010, 8:43 ] |
| Post subject: | Re: Resolder tower stacked TSOPs |
I have seen stacked ICs many times, but there never was any PCB in between. Could you post pics? pepe |
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| Author: | EvilStevil [ January 25th, 2010, 10:59 ] | ||
| Post subject: | Re: Resolder tower stacked TSOPs | ||
Here is an example. I have already pulled the chips apart on the one that I have. Proving to be quite difficult! I would normally bend the pins over on solder them directly to the bottom chip, but that won't fly with this customer.
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| Author: | hddguy [ January 26th, 2010, 5:17 ] |
| Post subject: | Re: Resolder tower stacked TSOPs |
What device are these chips from? |
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| Author: | EvilStevil [ January 26th, 2010, 17:18 ] |
| Post subject: | Re: Resolder tower stacked TSOPs |
These chips are from an SSD. The photo is not of the device, just an example I found. Exact same setup though. |
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| Author: | pepe [ January 28th, 2010, 17:08 ] |
| Post subject: | Re: Resolder tower stacked TSOPs |
hmm, never seen such setup... I have no good idea to resolder tons of this. probably infrared can help here... pepe |
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