Atum Works YC Application
Atum Works went through Y Combinator in the Spring 2025 batch as a Industrials company. Below: what the company does, who founded it, and its application to YC, reconstructed question by question in the real YC form.
- YC batch
- Spring 2025
- Industry
- IndustrialsManufacturing and Robotics
- Team size
- 3
- Status
- Active
- Launched
- 2025
Founders
Lucas PabarciusFounder / CEO
Matteo KimuraFounder
Malcolm TisdaleFounder
What Atum Works does
Atum Works is building 3D ASML. Founded by Caltech and NASA engineers, we're starting the next scaling law of semiconductor manufacturing, this time in 3D.
Atum Works's YC application, reconstructed
Y Combinator application
Atum Works, Spring 2025 batch. The real form questions, answered from public data.
- Founders2
- Company7
- Progress7
- Idea4
- Equity3
- Curious2
- Batch Preference1
Company
Atum Works
Gigascale Nanomanufacturing
We are building a 3D semiconductor manufacturing platform that works like ASML but adds a third dimension. Our technology targets scaling semiconductor manufacturing beyond current photolithography by enabling true 3D structures, solving density and scaling limits chipmakers face.
We live in San Francisco, CA, and after YC we will continue to be based here.
San Francisco places us near key semiconductor and hard tech investors, access to top engineering talent, and a network of founders working in deep physical sciences. It's the best place to build a hardware startup pushing semiconductor manufacturing forward.
21 more answers in the full application
Founders, Progress, Idea, Equity, Curious, Batch Preference are in the full version. Create a free account to open it in YC Insights, next to every other YC batch.
Frequently Asked Questions
Is this the real Atum Works YC application?
No. Y Combinator keeps submitted applications private. This is a reconstruction: the real YC form questions, answered from Atum Works's public data (launch notes, founder backgrounds, product description). It shows how a company like Atum Works would present itself to YC, not the text they submitted.
What YC batch was Atum Works in?
Atum Works was part of the Y Combinator Spring 2025 batch.
Who founded Atum Works?
Atum Works was founded by Lucas Pabarcius, Matteo Kimura, Malcolm Tisdale.
What does Atum Works do?
Gigascale Nanomanufacturing
How do I read the full reconstructed application?
Create a free Round Funded account. The full 26-answer version of Atum Works's application, and every other YC batch, is in YC Insights.
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