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Posts Made By:
Grant Stockly
Forum:
Electronics
07-26-2008, 09:52 AM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
The hard part is getting acid good enough. After...
The hard part is getting acid good enough. After an hour of work with some over-the-counter nitric acid I had a 68000 done, but the water content was so high that it left a residue on the chip. Its...
Forum:
Electronics
09-05-2005, 02:42 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
I have sent one PAL (Apple calls them HALs on the...
I have sent one PAL (Apple calls them HALs on the Mac boards) to MEFAS. You can find them at http://www.mefas.com
They offer a decapsulation service at only $45 per part with a 2-3 day...
Forum:
Electronics
09-05-2005, 02:32 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
From: Darrell Miles : milesd-at-US.ibm.com...
From: Darrell Miles : milesd-at-US.ibm.com
Date: Fri, 25 Jan 2002 11:45:46 -0500
Subject: IC package removal
Contents Retrieved from Microscopy Listserver Archives
...
Forum:
Electronics
09-05-2005, 02:31 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
<Last part of the previous post> Perhaps...
<Last part of the previous post>
Perhaps it's time to comment on this thread.
Dichloromethane and dimethylformamide are relatively effective disrupters of most epoxies but their action is...
Forum:
Electronics
09-05-2005, 02:29 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
<Part of the previous post> Diane, I...
<Part of the previous post>
Diane,
I used to do failure analysis on semi conductor memories which were starting to be made of plastic/epoxy with glass rods about 20 years ago.
I have some...
Forum:
Electronics
09-05-2005, 02:27 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
<Part of the previous post> Diane, Yes,...
<Part of the previous post>
Diane,
Yes, hot fuming sulfuric and/or hot fuming nitric are used as standard procedures for removing plastic from IC's. The process is not quite that simple. For...
Forum:
Electronics
09-05-2005, 02:19 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
<Part of the previous post> Can't comment on...
<Part of the previous post>
Can't comment on sulfuric, but I have used red fuming nitric at near boiling temperature. Apply acid, let react. Flush witn more acid, let react, etc.
Woody White
Forum:
Electronics
09-05-2005, 02:19 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
<Part of the previous post> Diane: attached...
<Part of the previous post>
Diane: attached is a text document outlining the procedure my FA lab uses. Yellow fuming nitric is usually the acid of choice. If you can get a few extra parts to...
Forum:
Electronics
09-05-2005, 02:12 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
<Part of the previous post> The ion beam...
<Part of the previous post>
The ion beam approach works well. I have not used it recently on finer pitch ICs. With as-built feature sizes of 2-4u, it is fine. It will stop at the passivation and...
Forum:
Electronics
09-05-2005, 02:11 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
<Part of the previous post> -- [ From:...
<Part of the previous post>
-- [ From: Garber, Charles A. * EMC.Ver #3.1 ] --
Hi Diane,
The way this is generally done is to mill the plastic down on a grinding wheel to the point where only...
Forum:
Electronics
09-05-2005, 02:10 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
<Part of the last post> Here's the summary...
<Part of the last post>
Here's the summary (long) for all those interested in deencapsulating plastic encapsulated ICs. I have no preferences as I haven't tried any yet, but thought the fuming...
Forum:
Electronics
09-05-2005, 01:53 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
From: Diane.Ciaburri-at-gd-ais.com Date: Fri,...
From: Diane.Ciaburri-at-gd-ais.com
Date: Fri, 25 Jan 2002 08:50:58 -0500
Subject: Re: IC package removal (LONG)
Contents Retrieved from Microscopy Listserver Archives...
Forum:
Electronics
09-05-2005, 01:51 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
From: Jon Hiller : hiller-at-anl.gov ...
From: Jon Hiller : hiller-at-anl.gov
Date: Thu, 24 Jan 2002 19:26:21 -0600
Subject: IC package removal
Contents Retrieved from Microscopy Listserver Archives
...
Forum:
Electronics
09-05-2005, 01:49 PM
Replies:
17
How to decap an IC
Views:
262,479
Posted By
Grant Stockly
How to decap an IC
This is a collection of instructions from the web on decapping ICs. I have not successfully decapped any ICs yet, but when/if I do I will post my results.
Showing results 1 to 14 of 14
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