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7 May 2019 Recent advances in 3- to 10-nm quantum optical lithography
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Development of semiconductor technologies requires innovative approaches. Optical lithography, as a key element in this process, needs to be extended into the sub-10 nm range. Manipulation of matter in this range, in order to produce complex patterns, is a challenge for lithographic techniques. A diffraction-unlimited method (quantum optical lithography) for nanofabrication is detailed with applications in prototyping functional nanostructures. The writing method was applied to two different materials: resist and fluorescent glass–ceramics. Complex patterns (rectangles, triangles, and letters) with 3-nm linewidth were obtained on Si3N4 transmission electron microscopy grids covered by the resist.
© 2019 Society of Photo-Optical Instrumentation Engineers (SPIE) 1932-5150/2019/$25.00 © 2019 SPIE
Eugen Pavel, Gabriel Prodan, Virgil Marinescu, and Roxana Trusca "Recent advances in 3- to 10-nm quantum optical lithography," Journal of Micro/Nanolithography, MEMS, and MOEMS 18(2), 020501 (7 May 2019).
Received: 21 February 2019; Accepted: 12 April 2019; Published: 7 May 2019

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