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naked1300
Joined: 26 Jul 2007
Posts: 665
Location: Austria,
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 Posted: Thu Nov 24, 2011 6:50 pm Post subject: now a real 4004 die... |
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some of my colleagues at the failure analysis department did a very
well job to open a P4004 
after my latest post with bad 4004 news I thought I should post some
nice stuff.
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Neon_WA
Joined: 08 Nov 2008
Posts: 6468
Location: Perth, West Australia
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| Posted: Thu Nov 24, 2011 7:52 pm Post subject: |
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he did a excellent job of opening 
seems there is an air-space around the die.. not standard in later plastic chips
with later ones... you need to grind down to trace wires, then dissolve the remaining plastic with hot sulphuric acid
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bccwchan
Joined: 20 Sep 2004
Posts: 1054
Location: Hong Kong
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| Posted: Fri Nov 25, 2011 2:40 am Post subject: |
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Yes, he did a great job for us.
Really beautiful die!!!! |
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iguana
Joined: 24 Apr 2007
Posts: 1779
Location: Canada
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| Posted: Fri Nov 25, 2011 3:44 am Post subject: |
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Really nice.
And what was the technology of opening?
if it isn't a secret
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fritsp2007
Joined: 23 May 2010
Posts: 167
Location: The Netherlands
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| Posted: Fri Nov 25, 2011 12:35 pm Post subject: |
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Yes,a very nice 4004 die..
Great job...  |
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naked1300
Joined: 26 Jul 2007
Posts: 665
Location: Austria,
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| Posted: Fri Nov 25, 2011 7:44 pm Post subject: |
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here some Xray pictures of a P4004
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debs3759
Joined: 18 Jan 2006
Posts: 5136
Location: In the computer room
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| Posted: Fri Nov 25, 2011 8:19 pm Post subject: |
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Cool pics! I never fail to be amazed at what some collectors do with their chips, and the tools some of you have to do it with
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D.8080
Joined: 03 Apr 2006
Posts: 1235
Location: Italy
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| Posted: Fri Nov 25, 2011 8:43 pm Post subject: |
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| debs3759 wrote: | | Cool pics! I never fail to be amazed at what some collectors do with their chips, and the tools some of you have to do it with |
Ueber quote.
Last edited by D.8080 on Tue Nov 29, 2011 6:28 am; edited 1 time in total |
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kosmokrator
Joined: 03 Jul 2008
Posts: 3771
Location: Athens-GR
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rflynn88
Joined: 30 Sep 2010
Posts: 159
Location: Southern NJ, USA
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| Posted: Sun Nov 27, 2011 9:19 pm Post subject: |
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| Wow these are absolutely incredible! |
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bccwchan
Joined: 20 Sep 2004
Posts: 1054
Location: Hong Kong
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| Posted: Tue Nov 29, 2011 3:40 am Post subject: |
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| rflynn88 wrote: | | Wow these are absolutely incredible! |
Yes, Incredible picture.
Thanks for sharing with us. |
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