W5500 Use Case: Shutter Control in Molecular Beam Epitaxy (MBE) Systems
W5500 enabled the US Army Research Lab to replace a costly, proprietary MBE shutter control system with a low-cost, open-source Arduino solution.
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Components
Hardware components
Arduino - Arduino UNO
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Arduino - Arduino Ethernet Shield 2
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Project description
1. Background: What is an MBE System? Molecular Beam Epitaxy (MBE) is a precision thin-film growth technology used in semiconductor and advanced material research. Each MBE chamber contains shutters that block or allow atomic beams from elemental sources to reach the substrate. The exact timing of shutter actuation determines the composition and structure of the resulting crystal — accuracy is critical. 2. The Problem with Legacy Systems Traditionally, shutter control relied on National Instruments PCIe I/O cards and proprietary OEM software. Extremely costly (tens of thousands of dollars)…
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