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The $200M Machine that Prints Microchips: The EUV Photolithography System

Branch Education · 2.4M views · 2025-08-30 · 38:31

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Overview

Branch Education's animated deep dive into ASML's EUV photolithography machine and how it prints nanometer-scale transistors onto chips. It covers the system's components and the process of chip manufacturing.

On Hacker News

HN sends people here as the most straightforward and detailed starting point for understanding EUV lithography.

Recommended by 3 HN people across 3 months · HN mentions 2025–2026

Topics

Semiconductors & chip manufacturingManufacturing & industrial processes
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euvasmlchip manufacturingphotolithographymicrochips

What people said

mrcsharp · 2025-10 · Strong recommendation

I'm always fascinated by how brilliant us humans can be. So much so that we can put billions of transistors in very small spaces and in complex structures while also mass producing it. I highly recommend watching this video about lithography and the machine that makes it all possible [1]. [1] [VIDEO]

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itopaloglu83 · 2025-09 · Strong recommendation

It’s a mind blowing achievement, nothing below sorcery if you think about it. ASML machines are hitting tin droplets with 25kW laser 50,000 times a second to turn them into plasma to create the necessary extreme ultraviolet light, and despite generating 500W of EUV, only a small fraction can reach the wafer, due to loses along the way. I believe it was like 10%. Here’s an incredible, very detailed video about it: [VIDEO]

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jasode · 2026-04 · Recommendation

The Veritasium video is good but their "newscast" style with constant back-and-forth cuts to talking heads can make the presentation a bit disjointed. The more straightforward video of ASML EUV is from Branch Education: [VIDEO] Because that vid gives an overview of the whole machine, it gives context to what each scientist is talking about in the Veritasium interviews.

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Sources

Video by Branch Education, played through YouTube.

Data and selection notes

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