Die shots of all integrated circuits of an Hp41c
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03-21-2018, 11:45 PM
Post: #21
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RE: Die shots of all integrated circuits of an Hp41c | |||
03-22-2018, 12:03 AM
Post: #22
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No photos visible in Firefox
All I see are things like [Image: aaaaa.jpg], but not as a clickable link, but if I use the context menu I can see it when I select View Image.
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03-22-2018, 12:27 AM
Post: #23
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RE: Die shots of all integrated circuits of an Hp41c
(03-22-2018 12:03 AM)cruff Wrote: All I see are things like [Image: aaaaa.jpg], but not as a clickable link, but if I use the context menu I can see it when I select View Image. Here is the link for the 1st photo: https://pbs.twimg.com/media/DYQF5xNUMAAKm5x.jpg If you use that link directly, can you see it? --Bob Prosperi |
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03-22-2018, 02:12 PM
Post: #24
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RE: Die shots of all integrated circuits of an Hp41c
This is the die shot of the ACT chip from a Hp25, the decaping of the chip went wrong and I almost destroy the die.
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03-23-2018, 08:39 AM
Post: #25
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RE: Die shots of all integrated circuits of an Hp41c
... so you now officially qualify as a circuit breaker ...
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03-23-2018, 11:44 AM
Post: #26
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RE: Die shots of all integrated circuits of an Hp41c
(03-22-2018 12:27 AM)rprosperi Wrote: Here is the link for the 1st photo: Yes, that works directly and it appears in the text in the color for a link. Not sure why my Firefox isn't rendering the other links in this thread that way. |
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03-23-2018, 12:57 PM
Post: #27
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RE: Die shots of all integrated circuits of an Hp41c
(03-23-2018 11:44 AM)cruff Wrote: Yes, that works directly and it appears in the text in the color for a link. Not sure why my Firefox isn't rendering the other links in this thread that way. That is strange. Not sure why FF would not display them? Do you have any aggressive security settings enabled? --Bob Prosperi |
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03-23-2018, 06:05 PM
Post: #28
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RE: Die shots of all integrated circuits of an Hp41c
The links will work in Firefox by disabling "Tracking Protection".
Paul (03-23-2018 11:44 AM)cruff Wrote:(03-22-2018 12:27 AM)rprosperi Wrote: Here is the link for the 1st photo: |
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03-24-2018, 03:46 AM
Post: #29
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RE: Die shots of all integrated circuits of an Hp41c
Cool shots! What technique did you use to decap the chips? I am considering a decap project for some non-calculator parts.
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03-25-2018, 02:59 AM
Post: #30
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RE: Die shots of all integrated circuits of an Hp41c
(03-24-2018 03:46 AM)Chris Dreher Wrote: Cool shots! What technique did you use to decap the chips? I am considering a decap project for some non-calculator parts. Chris, I burn the chip with a torch and remove the ashes carefully until the die is exposed, I then clean the die with Isopropanol and then I rub the die over a hard cardboard with some drops of Brasso metal cleaner and that's all. I hope you find this information useful. Pablo Walls |
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