Opened up stk chips

srinath · 28th March 2011, 11:43 PM

If I recall correctly (and I rarely do) someone on here had put up pics of a sliced open stk darlington chip.
Could someone post me that link, or atleast the method used to open it, Acetone isn't making a scratch on it.
Thanks guys.
Cool.
Srinath.

Andrew Eckhardt · 11:56 PM

Big diagonal cutters, vise grips, or a hammer works well. If you have a vise, stick just the plastic of one side in it and twist at the other side with the vise grips or pliers.

sofaspud · 28th March 2011, 11:59 PM

Really, I'm not trying to strike a match or anything like that. Curiosity gets the better of me. What is the purpose of doing this? Is there some insight to be expected? Is this DIY failure analysis?

Andrew Eckhardt · 29th March 2011, 12:01 AM

failure analysis

That's why I used to do it.

mickeymoose · 29th March 2011, 12:10 AM

Curiosity killed the IC. E

srinath · 30th March 2011, 11:16 AM

I have a few dead IC's some are unobtanium, so I decided to cut a few open so I can possibly recreate the function of the dead ones. I think I can, I opened up the ones I have that are dead, looks like a pair of transistors would do nicely, I used a dremel tool on mine, and next time I'll use a hand hacksaw. If you want to save the chip hacksaw is better, but either way I think its doable, especially if you have good schematics on the chip.

Anyway audiokarma had the hacked up chips and pics.

Thanks.
Srinath.

28th March 2011, 11:43 PM	#1
srinath diyAudio Member Join Date: Feb 2010	Opened up stk chips If I recall correctly (and I rarely do) someone on here had put up pics of a sliced open stk darlington chip. Could someone post me that link, or atleast the method used to open it, Acetone isn't making a scratch on it. Thanks guys. Cool. Srinath.

28th March 2011, 11:51 PM	#2
Andrew Eckhardt diyAudio Member Join Date: Nov 2005 Location: PA	Big diagonal cutters, vise grips, or a hammer works well. If you have a vise, stick just the plastic of one side in it and twist at the other side with the vise grips or pliers. Last edited by Andrew Eckhardt; 28th March 2011 at 11:56 PM.

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28th March 2011, 11:59 PM	#3
sofaspud diyAudio Member Join Date: Nov 2005 Location: San Antonio TX	Really, I'm not trying to strike a match or anything like that. Curiosity gets the better of me. What is the purpose of doing this? Is there some insight to be expected? Is this DIY failure analysis?

29th March 2011, 12:01 AM	#4
Andrew Eckhardt diyAudio Member Join Date: Nov 2005 Location: PA	failure analysis That's why I used to do it.

29th March 2011, 12:10 AM	#5
mickeymoose diyAudio Member Join Date: Nov 2008	Curiosity killed the IC. E

30th March 2011, 11:16 AM	#6
srinath diyAudio Member Join Date: Feb 2010	I have a few dead IC's some are unobtanium, so I decided to cut a few open so I can possibly recreate the function of the dead ones. I think I can, I opened up the ones I have that are dead, looks like a pair of transistors would do nicely, I used a dremel tool on mine, and next time I'll use a hand hacksaw. If you want to save the chip hacksaw is better, but either way I think its doable, especially if you have good schematics on the chip. Anyway audiokarma had the hacked up chips and pics. Thanks. Srinath.

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