- Page One
- • Library joins Google project to make books available online
- • Fields Center plans move to revitalize mission
- • Investigating clues to a life, Biehl discovers larger reality
- • Two win Sachs award to study in Europe
- • Mix of interests opens doors for student on campus and abroad
- • Princeton student Alexander Adam dies
- • Richard Golden dies at age 76
- • Staff appointments
- • Spotlight, briefs
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- Editor: Ruth Stevens Calendar editor: Shani Hilton Staff writers: Jennifer Greenstein Altmann, Eric Quiñones Contributing writers: Cass Cliatt, Karin Dienst, Hilary Parker Photographers: Denise Applewhite, John Jameson Design: Maggie Westergaard Web edition: Mahlon Lovett
By the numbers
Newly acquired e-beam writer
Princeton’s newly acquired e-beam writer functions on the nanometer scale — a mere billionth of a meter — but its reach extends across campus and beyond, enhancing the University’s nanotechnology facilities and enabling collaborative interdisciplinary research projects.
Researchers gather around the new e-beam writer in the Micro/Nano Fabrication Laboratory. (photo: John Jameson)
A part of the Micro/Nano Fabrication Laboratory at the Princeton Institute for the Science and Technology of Materials (PRISM), the new tool allows scientists and engineers to create mechanical and biological devices with nanometer-sized features using a computer-guided beam of electrons to “write” patterns or designs. Technologies developed using Princeton’s e-beam writer could one day be found in laptop computers, cell phones and medical treatments.
“This tool is critical for research in quantum materials science and nanotechnology,” said James Sturm, PRISM director and the William and Edna Macaleer Professor of Engineering and Applied Science. The instrument is located in a “multiuser facility,” which means it is available to researchers across campus as well as users from industry and other academic institutions. “The e-beam writer enhances Princeton’s ability to attract collaborative partnerships with some of the top minds in these fields,” Sturm said.
• During an intense week of training in November, graduate students from nine research groups in physics and electrical engineering and Helena Gleskova, the director of the Micro/Nano Fabrication Lab, were trained to use the e-beam writer by an engineer from Raith, the machine’s manufacturer.
• The machine is located in an ultra-low vibration lab in the basement of the Engineering Quadrangle, part of the Micro/Nano Fabrication Lab’s 4,000 square feet of clean room. A “Class 100” space, the room features a controlled environment and air filtration system to maintain an air quality of less than 100 dust particles greater than 0.5 microns (200 times smaller than the width of a human hair) per cubic foot of air. Those entering the room must don protective suits to maintain this level of cleanliness.
• In a typical year, roughly 100 users from the School of Engineering and Applied Science, the physics, chemistry and molecular biology departments, and local companies make use of the multiuser facilities in the Micro/Nano Fabrication Lab.