miniDIMM has 96mm length, twice size as normal BGA. The temperature difference between end miniDIMM and middle miniDIMM has 10C and more if heat with hot air or IR BGA reworking heater.  DIMM distortion caused by temperature difference and PCBA twist, you know, may fail to rework.

Any special solder irons or tools available in the industry to get miniDIMM reworking easier?


-----Original Message-----
From: Paul Edwards <[log in to unmask]>
To: [log in to unmask]
Sent: Thu, Nov 18, 2010 9:30 am
Subject: Re: [TN] Talking on reworking of 244 pin miniDIMM


Safest, best and most time cheapest way is to remove and replace....
Paul
Paul Edwards
urface Art Engineering
-----Original Message-----
rom: TechNet [mailto:[log in to unmask]] On Behalf Of Tan Geok Ang
ent: Wednesday, November 17, 2010 3:56 PM
o: [log in to unmask]
ubject: Re: [TN] Talking on reworking of 244 pin miniDIMM
Using a copper wire that is hot enough (depend on you available tools)
o "suck out" the solder short if there is the issue though it is a bit
ime consuming but do able.
-----Original Message-----
rom: TechNet [mailto:[log in to unmask]] On Behalf Of Joyce Koo
ent: Wednesday, 17 November 2010 12:14 AM
o: [log in to unmask]
ubject: Re: [TN] Talking on reworking of 244 pin miniDIMM
Hot air such as air vac? 
-------------------------
ent using BlackBerry

---- Original Message -----
rom: Charming Chan [mailto:[log in to unmask]]
ent: Tuesday, November 16, 2010 11:11 AM
o: [log in to unmask] <[log in to unmask]>
ubject: [TN] Talking on reworking of 244 pin miniDIMM
TechNet, 
SMT Tails of 244 pin miniDIMM are shadowing by the component housing,
older irons can not reach SMT Tails, how to rework and repair if poor
oldering?
miniDIMM drawing link: http://www.molex.com/pdm_docs/sd/877822001_sd.pdf

est Regards
harming Chan

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