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Trimming studies on polymer thick-film resistors

Murthy, KSRC and Sathyam, M (1987) Trimming studies on polymer thick-film resistors. In: Journal of Materials Science, 22 (4). pp. 1413-1418.

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Abstract

PVC-graphite polymer thick-film resistors were trimmed by a conventional air abrasive technique and the post-trim drift in resistance with time was found to be negative. The net decrease in resistance of trimmed resistors in a given time was found to be a function of resistor composition, cutting speed and temperature. Detailed studies showed this decrease to be due to a decrease in cut width with time. Two new methods, namely bombardment trimming and radiation trimming, were also tried for adjusting the resistance of these resistors and the results were compared with those obtained from abrasive trimming studies.

Item Type: Journal Article
Additional Information: Copy right of this article belongs to Springer.
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 07 Jan 2010 07:17
Last Modified: 19 Sep 2010 05:36
URI: http://eprints.iisc.ernet.in/id/eprint/21299

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