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A study of eddy current measurement (1986-1987)

Description: A study was conducted in 1986 to evaluate a modified eddy current system for measuring copper thickness on Kapton. Results showed a measurement error of 0.42 {mu}in. for a thickness range of 165 to 170 {mu}in. and a measurement variability of 3.2 {mu}in.
Date: June 22, 1989
Creator: Ramachandran, R.S. & Armstrong, K.P.
Partner: UNT Libraries Government Documents Department

A study of microclad thickness variation (1987)

Description: A study was conducted to investigate the thickness variation of microclad material used in fabricating 1E38 bridges. For the role sampled (nine reels), standard deviations within reels ranged from 6.11 to 12.07 {mu}in. Thickness variations within reels ranged from 16.2 to 40.9 {mu}in., with the average thickness between 142.90 and 161.28 {mu}in.
Date: June 22, 1989
Creator: Ramachandran, R.S. & Armstrong, K.P.
Partner: UNT Libraries Government Documents Department

A study of laseruler accuracy and precision (1986-1987)

Description: A study was conducted to investigate Laserruler accuracy and precision. Tests were performed on 0.050 in., 0.100 in., and 0.120 in. gauge block standards. Results showed and accuracy of 3.7 {mu}in. for the 0.12 in. standard, with higher accuracies for the two thinner blocks. The Laserruler precision was 4.83 {mu}in. for the 0.120 in. standard, 3.83 {mu}in. for the 0.100 in. standard, and 4.2 {mu}in. for the 0.050 in. standard.
Date: June 22, 1989
Creator: Ramachandran, R.S. & Armstrong, K.P.
Partner: UNT Libraries Government Documents Department