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July 1997

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From [log in to unmask] Mon Jul 21 10:
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>From willli Wed Jul 16 01:
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Joseph Fjelstad wrote:
> 
> Hi folks!
> 
> Does anyone have a favorite formula for removing the molded plastic from
> around the IC and lead frame for failure analysis?
> 
> Thanks in advance to all who reply...
> 
> Best to all,
> J. Fjelstad
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Hi,Joseph!

3 decapsulation methods are known to me ,which work well depending
on your appliccation.
1."Automatic" decapsulation ,done with the decapsulators from
B&G Enterprises,Inc.
2880 Research Park Drive,Suite 100
Soquel,CA 95073
408.464.6540
Fax 408.464.6549
They have several models for almost all types of packaging.
I have no experience with their product.
2.Nitric acid , manually.This is ART and needs some experience.
3.Dipping in adequate solvents from
Dynaloy,Inc.
7 Great Meadow Lane
Hanover N.J.07936
(201)887-9270
This is done also manually,and Dynaloy has a booklet on the subject.
Good luck!
GABY

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