Stockly.com Forums  

Go Back   Stockly.com Forums > Search Forums

Notices

Showing results 1 to 14 of 14
Search took 0.01 seconds.
Search: Posts Made By: Grant Stockly
Forum: Electronics 07-26-2008, 09:52 AM
Replies: 17
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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
Views: 259,530
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

 
Forum Jump

All times are GMT. The time now is 10:42 PM.


Powered by vBulletin® Version 3.8.9
Copyright ©2000 - 2024, vBulletin Solutions, Inc.