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📐 - Designing / 📦-cob / Design Rule SCMicro .pdf
Between 2026-07-31 11:59 p.m. and 2026-09-01 12:00 a.m.
10:26 p.m.
Thanks @Andrew Wingate , this is a great start though it would be ideal to have it for our bondhouse. Can you share what they are called ? (edited)
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They don't have a guide like this
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Andrew Wingate
They don't have a guide like this
Sad, nothing you can do about that. Can you share the wirehouse is called ?
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I can't read chinese
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Essen
Sad, nothing you can do about that. Can you share the wirehouse is called ?
I think knowing what machine it is would be more useful?
10:52 p.m.
Assuming it's a standard machine that has specifications on e.g. it's toolhead's clearance and the general principles of it's guidance/alignment system, etc.?
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namibj
I think knowing what machine it is would be more useful?
That and the wire dimension and material would be a golden trio.
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I don't have a model number
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Man the packaging house pictures always look so cool. 😍
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Andrew Wingate
I don't have a model number
Can you confirm it is gold wire? (edited)
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Aluminum iirc
👀 1
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Andrew Wingate
Aluminum iirc
Hum, looks like I missed something then 🤔
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yeah it's like 0.8 mil or such, a lil thinner than what's more-standard, but something about these chips dictated the pick. mithro had posted a pic of it a few months ago.
11:24 p.m.
The only gold in the Run1 COBs as they get shipped is at the mezzazine and the ENIG of the PCB.
11:25 p.m.
awww that optical system looks like it could track not just the die but also the board.... 🙁
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namibj
yeah it's like 0.8 mil or such, a lil thinner than what's more-standard, but something about these chips dictated the pick. mithro had posted a pic of it a few months ago.
Looks like I need to go look for that pic.
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namibj
The only gold in the Run1 COBs as they get shipped is at the mezzazine and the ENIG of the PCB.
Hum, interesting. I wonder if the TT chip also used Al. 🤔
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Essen
Hum, interesting. I wonder if the TT chip also used Al. 🤔
I thought that was part of W.S. Run1?
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namibj
I thought that was part of W.S. Run1?
It was. You do fingers differently between Au and Al, and the bonding looks like it followed the Au rules. Though the Au rules might be more constraining so they could also have gone with the worst case.
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Tim 'mithro' Ansell 2026-08-11 8:17 a.m.
I'm pondering purchasing one of these machines that we can then replace the automation system with something that captures images of the bonds as they are created.
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