Focused nanoparticle-beam deposition of patterned microstructures

被引:81
作者
Di Fonzo, F
Gidwani, A
Fan, MH
Neumann, D
Iordanoglou, DI
Heberlein, JVR
McMurry, PH
Girshick, SL
Tymiak, N
Gerberich, WW
Rao, NP
机构
[1] Univ Minnesota, Dept Mech Engn, Minneapolis, MN 55455 USA
[2] Univ Minnesota, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA
[3] Microtherm LLC, Minneapolis, MN 55414 USA
关键词
D O I
10.1063/1.1306638
中图分类号
O59 [应用物理学];
学科分类号
摘要
A method was developed for fabricating nanocrystalline microstructures. This method involves synthesizing nanoparticles in a thermal plasma expanded through a nozzle, and then focusing the nanoparticles to a collimated beam by means of aerodynamic lenses. High-aspect-ratio structures of silicon carbide and titanium were deposited on stationary substrates, and lines and two-dimensional patterns were deposited on translated substrates. Linewidths equalled approximately 50 mu m. This approach allows the use of much larger nozzles than in previously developed micronozzle methods, and also allows size selection of the particles that are deposited. (C) 2000 American Institute of Physics. [S0003-6951(00)00432-0].
引用
收藏
页码:910 / 912
页数:3
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