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Nano-Scale Abrasion Studies of Materials Used in MEMS Devices and Packages

[+] Author Affiliations
Jong M. Park, Senol Mutlu, Yogesh B. Gianchandani

University of Michigan

Paper No. IMECE2005-80490, pp. 563-567; 5 pages
doi:10.1115/IMECE2005-80490
From:
  • ASME 2005 International Mechanical Engineering Congress and Exposition
  • Electronic and Photonic Packaging, Electrical Systems Design and Photonics, and Nanotechnology
  • Orlando, Florida, USA, November 5 – 11, 2005
  • Conference Sponsors: Electronic and Photonic Packaging Division
  • ISBN: 0-7918-4217-7 | eISBN: 0-7918-3769-6
  • Copyright © 2005 by ASME

abstract

Abrasion plays an important role in the manufacture and use of certain microstructures. In this paper, we explore the nano-scale abrasion characteristics of Al, Si, Pyrex™ glass, and glass-mica ceramic (Macor™), using a commercial scribing tool adapted to provide controlled velocity and force, and accurate positioning for abrasion utilizing two abrasion heads: a diamond facet edge and a custom alumina-grit head. While Al is easily abraded, it tends to create build-up of material along the edges. Silicon provides triangular clean groves with minimum widths ≈ 460 nm. Macor provides scalloped grooves that show some chipping and have minimum widths of ≈ 320 nm. Glass provides clean, rounded grooves, with minimum widths of ≈ 200 nm. This paper also describes how controlled abrasion can be exploited for the non-lithographic fabrication of nanochannels which are of interest in several fluidic devices.

Copyright © 2005 by ASME

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