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Latest activity

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swka reacted to Xebec's post in the thread Samsung to Produce Tesla Chips in $16.5 Billion Multiyear Deal with Like.

OT, but consider that both parties effectively screwed him over before he became openly hostile. Tesla was not invited to the...

Jul 30, 2025
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tomatoma reacted to Investor1234's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

TSMC obviously - but these issues with stochastics are not new. It was covered in depth in the 2022 IRDS Lithography roadmap...

Jul 30, 2025
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tomatoma reacted to Fred Chen's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

My understanding is that while increasing dose is probably the earliest proposal, users have mostly not done so because of two reasons...

Jul 30, 2025
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tomatoma reacted to Investor1234's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

There are a lot of SPIE litho papers on this - in particular on resists and how they've helped keep dose under control. I think TSMC has...

Jul 30, 2025
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tomatoma reacted to benb's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

Cool website, cool company. I'll spread the word. https://www.fractilia.com/intro-to-stochastics SEM Tool Fleet Matching interesting

Jul 30, 2025
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tomatoma reacted to Fred Chen's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

In mid-2024, TSMC apparently indicated that they prioritized throughput over curing stochastics. TSMC "optimized the EUV exposure dose...

Jul 30, 2025
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tomatoma reacted to Investor1234's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

Well if they didn't address the stochastics then it would hit yield, right? And if they don't address the stochastics, and it doesn't...

Jul 30, 2025
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tomatoma reacted to Investor1234's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

The 3800E is now the main tool being sold.

Jul 30, 2025
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tomatoma reacted to Fred Chen's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

Yes, the yield would be affected; it contributes into the defect density. So we hear of yields not being "stable", particularly in DRAM...

Jul 30, 2025
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tomatoma reacted to Fred Chen's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

So, will it be used for increasing the throughput at same dose, or increasing the dose at same throughput? Again, the net benefit of...

Jul 30, 2025
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tomatoma reacted to Investor1234's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

Yes I think effectively at each new node they increase the dose at the same throughput to hit their dimension targets (since as you know...

Jul 30, 2025
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tomatoma reacted to Fred Chen's post in the thread Stochastics: Yield-Killing Gap No One Wants to Talk About with Like.

Yes, the higher power gives that option. Resist loss has been observed to increase with higher dose, which can aggravate some types of...

Jul 30, 2025
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tomatoma reacted to blueone's post in the thread Nvidia-backed Enfabrica releases system aimed at easing memory costs with Like.

When I was reading the Enfabrica EMFASYS announcement, I knew I had read a published paper about a hybrid CXL-Ethernet network before...

Jul 30, 2025
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tomatoma reacted to Daniel Nenni's post in the thread Nvidia-backed Enfabrica releases system aimed at easing memory costs with Like.

Which is exactly why I started SemiWiki. I had never guessed that it would be this bad though. Hopefully AI will replace them soon. I...

Jul 30, 2025
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tomatoma reacted to siliconbruh999's post in the thread Nvidia-backed Enfabrica releases system aimed at easing memory costs with Haha.

According to Media Nvidia does everything

Jul 30, 2025

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