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JRM Vol.1 No.3 pp. 220-226
doi: 10.20965/jrm.1989.p0220
(1989)

Paper:

High Precision Automatic Alignment and its Computer Vision Technology

Tohru Tanigawa, Toshitsugu Sawai and Tadashi Nakao

Production Technology Development Center, Engineering Center, Sharp Corp., 2613-1 Ichinomoto-cho, Tenri, Nara 632, Japan

Published:
October 20, 1989
Abstract

Recently, industrial robotics and computer vision technology has become very important in flexible manufacturing systems and automated factories. Especially high precision automatic alignment technology beyond human ability is essential to some manufactures, and its application fields are extending rapidly. This paper describes the high precision automatic alignment system of large-sized LCD panels. The features of the system are (1) high precision and high speed detection of position using the special alignment mark, (2) high contrast image obtained by the use of ultraviolet rays, (3) new image-processing algorithms for improvement of system reliability.

Cite this article as:
T. Tanigawa, T. Sawai, and T. Nakao, “High Precision Automatic Alignment and its Computer Vision Technology,” J. Robot. Mechatron., Vol.1, No.3, pp. 220-226, 1989.
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Last updated on Apr. 19, 2019