Lithography exposure characteristics of poly(methyl methacrylate) (PMMA) for carbon, helium and hydrogen ions

Poly(methyl methacrylate) is a common polymer used as a lithographic resist for all forms of particle (photon, ion and electron) beam writing. Faithful lithographic reproduction requires that the exposure dose, Θ, lies in the windowΘ0≤Θ<Θ×0, whereΘ0and Θ×0represent the clearing and cross-linking...

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Bibliographic Details
Main Authors: Nitipon Puttaraksa, Rattanaporn Norarat, Mikko Laitinen, Timo Sajavaara, Somsorn Singkarat, Harry J. Whitlow
Format: Journal
Published: 2018
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Online Access:https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84655168022&origin=inward
http://cmuir.cmu.ac.th/jspui/handle/6653943832/51997
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Institution: Chiang Mai University