Disassembling of IBM 4381

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apa4



Joined: 27 Aug 2015
Posts: 394

PostPosted: Tue Oct 20, 2015 7:32 am    Post subject: Disassembling of IBM 4381 Reply with quote

Hello

Do we have a PRO who can tell me a good way to split IBM 4381 MCM?

Maybe something more delicate than this:
https://www.youtube.com/watch?v=vV75q-hbq68

Chemical reaction or heat-gun or something.... PM me plz...

Also i can sell or trade one of them...
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PostPosted: Tue Oct 20, 2015 8:28 am    Post subject: Reply with quote

Hopefully somebody will post a decent method, if not I'll post my not so easy method, let's say it involved a dremal and a torch.
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apa4



Joined: 27 Aug 2015
Posts: 394

PostPosted: Tue Oct 20, 2015 8:42 am    Post subject: Reply with quote

I was thinking about dremal but the distance between two ceramic plates is too small...You just cant fit a blade between them =(

and a TORCH really? i would like to hear that story =)
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pixelmanca



Joined: 03 Oct 2018
Posts: 316
Location: USA

PostPosted: Thu Aug 15, 2019 3:19 am    Post subject: Reply with quote

I know that this topic is very old now, but if someone searches to find a way to open these than it will be here for them to know...

These are actually VERY easy and quick to separate. All you have to do is heat them up with a heat gun, set on high, around all 4 sides, where the plates are soldered together, for about 4 minutes and then you can pull the top plate right off.

Make sure that you have some good heat resistant gloves to wear when you pull the top plate off, either with the metal heat sink attached or not, because you will get burned if you don't use good protection, since the module gets very hot in the process.

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