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Proceedings Paper

Robust line scan camera-based inspection system for ink-jet nozzle plates
Author(s): Yair Kipman; David Wolin; Kate Johnson
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Paper Abstract

There are many challenges in inspecting inkjet nozzle plates. For example, orifice sizes have gotten smaller and smaller to support smaller drop sizes. Reflective plate materials create difficulties in capturing high-contrast, top-illuminated imagery. Time constraints in production environments require high-speed image capture, feature inspection and part disposition. Current systems use 2D CCD array cameras to step and repeat inspection along the length of each plate. Step and repeat methods have inherent limitations in inspection time, focus and illumination. In response to customer needs for a more robust methodology, a line-scan camera based inspection system has been developed. This paper will describe the line-scan based inspection system including considerations for image improvement through both hardware and software modifications. System capabilities and limitations will be discussed.

Paper Details

Date Published: 4 April 2001
PDF: 8 pages
Proc. SPIE 4301, Machine Vision Applications in Industrial Inspection IX, (4 April 2001); doi: 10.1117/12.420897
Show Author Affiliations
Yair Kipman, ImageXpert, Inc. (United States)
David Wolin, ImageXpert, Inc. (United States)
Kate Johnson, ImageXpert, Inc. (United States)


Published in SPIE Proceedings Vol. 4301:
Machine Vision Applications in Industrial Inspection IX
Martin A. Hunt, Editor(s)

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