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Spin Coater
Lithography
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Sun Devil Semiconductor Club

Co Founded Sun Devil Semiconductor Club (SDSC) with my roommate freshman year of college. The goal of the club is to manufacture a transistor using "DIY" methods. No clean room, no expensive equipment, All custom designs. The NMOS process we follow was developed by Sam Zeloof, and has grown into a community called "Hackerfab" based largely out of CMU. While not directly affiliated with Hackerfab, our goal is to contribute to the knowledge library in areas largely ignored by other members of the community. Our biggest breakthroughs have been in the lithography field. Utilizing a resin 3D printer for maskless lithography, we can achieve excellent transistor resolution at a fraction of the cost of existing technology in the community. The standard for lithography currently is a DLP projector shining into some sort of optics setup. We employ a resin 3D printer through used microscope optics in order to achieve excellent precision not fully realized even by us.
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Noah Shoup

Project Timeline

Aug 2024 - Current

HighlightS

Founded and Managed a 132 member Fulton Student Organization (FSO) at ASU

Run the "Equipment" team which creates all devices for the fab process

Created and formatted a Discord server for club communication

Researched and developed resources to help new members quickly learn club operations and essential technical concepts

Created a custom spin-coater with unique chuck for spinning chemicals onto silicon

Managed design and assembly of our first-gen 15 micron capable lithography device

Ran exposures on our first gen litho setup with photopolymer resin to verify device accuracy

Managed design and assembly of our second-gen lithography device

SKILLS

Leadership Development
Semiconductor Manufacturing
Tight Budget
Fab Procedures
SOLIDWORKS
Metalworking
3D Printing
Arduino

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Our goal at Sun Devil® Semiconductor Club is to manufacture microscopic transistors on silicon wafers with technology that is readily accessible. We are looking to manufacture 10 micron resolution nMOS transistors, as well as construct the machines necessary to achieve this goal. We believe that this project will allow us to acquire an in-depth knowledge of the science and engineering involved in the manufacturing of semiconductor technology that will prepare students for industry. Lithographically, we have achieved the 10 micron imaging utilizing an SLA 3D printer and microscope optics stackup. We are looking to improve this process and eventually use it to build a chip from scratch. Fab side, we are utilizing a modified version of Sam Zeloof’s nMOS process. We are actively working to improve the photoresist chemical and manufacture his spin-on dopant. Outreach is an integral part of Semiconductor Club. We work directly with middle and high school students to support interest in the industry through fun labs (like making “Holographic Chocolate”). We are excited to continue these events and are always looking for more volunteers!

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