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John Micalizzi

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Publications by John Micalizzi (bibliography)

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1987
 
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Goldberg, Joseph H., Micalizzi, John and O'Rourke, Sean A. (1987): The Effects of Magnification and Allowed Viewing Time on the Inspection of Printed Circuit Boards. In: Proceedings of the Human Factors Society 31st Annual Meeting 1987. pp. 1014-1018.

Industrial inspectors are becoming more dependant on the stereoscopic microscope for detecting microminiature defects in electronic components. The present study investigated the effect of magnification on the detection of scratch defects in the etching of printed circuit boards. Ten subjects were tested under 3 levels of magnification (10x, 16x and 30x) with the time for each view adjusted so that the total viewing time remained constant. Results showed a significant increase in inspector sensitivity (d') at the 30x magnification level. Inspector sensitivity in the 10x and 16x conditions was not significantly different. These results suggest that improvements in inspector performance through magnification are possible without increasing inspection time.

© All rights reserved Goldberg et al. and/or Human Factors Society

 
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Changes to this page (author)

23 Feb 2010: Modified
25 Jun 2007: Added

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May 19

Design can be art. Design can be aesthetics. Design is so simple, that's why it is so complicated.

-- Paul Rand, 1997

 
 

Featured chapter

Read the fascinating history of Wearable Computing, told by its father, Steve Mann

Read Steve's chapter !

 
 

Help us help you!