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Proceedings Paper

Disaster detector: an automatic disk head/slider inspection system
Author(s): Byron E. Dom; David Ashby Steele; Richard Krebs; David R. Kiehl; Patrick Saldanha; Eric K. Wong; John W. Moffitt; Dragutin Petkovic; John Herber; Lionel Kuhlmann; Scott Dunbar
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Paper Abstract

This paper describes a system known as 'The Disaster Detector', for automatic inspection of the air-bearing surface of disk sliders (disk read/write heads). It inspects for certain types of defects that are global or systematic in the sense that, when they occur, they occur on every slider in a row or, in some cases, on every slider in the entire carrier. The inspection system is described and the associated image-analysis algorithms are described in detail. The system uses standard microscope optics, a color CCD camera, computer-controlled state, laser autofocus, a video digitizer and a PC/AT (486-based).

Paper Details

Date Published: 11 March 1994
PDF: 30 pages
Proc. SPIE 2183, Machine Vision Applications in Industrial Inspection II, (11 March 1994); doi: 10.1117/12.171227
Show Author Affiliations
Byron E. Dom, IBM Research Div. (United States)
David Ashby Steele, IBM Research Div. (United States)
Richard Krebs, IBM Corp. (United States)
David R. Kiehl, IBM Corp. (United States)
Patrick Saldanha, IBM Corp. (United States)
Eric K. Wong, IBM Corp. (United States)
John W. Moffitt, IBM Corp. (United States)
Dragutin Petkovic, IBM Research Div. (United States)
John Herber, IBM Corp. (United States)
Lionel Kuhlmann, IBM Research Div. (United States)
Scott Dunbar, IBM Corp. (United States)


Published in SPIE Proceedings Vol. 2183:
Machine Vision Applications in Industrial Inspection II
Benjamin M. Dawson; Stephen S. Wilson; Frederick Y. Wu, Editor(s)

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