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TSMC Photomask (Taiwan)

 
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Macro_Cosmos



Joined: 15 Jan 2018
Posts: 626
Location: Sydney

PostPosted: Wed Mar 11, 2020 5:03 pm    Post subject: TSMC Photomask (Taiwan) Reply with quote


These are used to make wafers, usually destroyed and disposed afterwards so obviously no one can just duplicate the chips.

Sad since they are lovely when photographed.

Here's shooting info/equipment:
https://flic.kr/p/2iCTsRD

Nikon Rayfact OFM20119MN lens, or the Printing-Nikkor 95mm F2.8 at 2x, retro.

This could be a nice resolution tester, for also CA and the such, but they are extremely scarce. Not many make it out of the factories.

PM me if you have a photomask for the Intel i9-9900k, i9-10900k, or the AMD Threadripper series. I'll take it... Very Happy Very Happy Very Happy
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Last edited by Macro_Cosmos on Thu Mar 12, 2020 1:32 am; edited 1 time in total
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Lou Jost



Joined: 04 Sep 2015
Posts: 4261
Location: Ecuador

PostPosted: Wed Mar 11, 2020 7:03 pm    Post subject: Reply with quote

Wouldn't the details of this be five to ten times coarser than the detail on the chip itself? I would think the chip would be a better resolution target than the mask, at least for higher magnifications.
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Lou Jost
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