Photoacoustic Analysis Of Metal Oxide Homogeneity In Magnetic Tapes

S. B. Peralta; A. W. Williams

doi:10.1117/12.937115

10 July 1987 Photoacoustic Analysis Of Metal Oxide Homogeneity In Magnetic Tapes

S. B. Peralta, A. W. Williams

Proceedings Volume 0701, 1986 European Conf on Optics, Optical Systems and Applications; (1987) https://doi.org/10.1117/12.937115
Event: 1986 International European Conference on Optics, Optical Systems, and Applications, 1986, Florence, Italy

Abstract

The degree of homogeneity of ferric oxide in magnetic tapes has been characterised using photoacoustics. The technique is based on monitoring the local thermal properties of a magnetic tape sample excited by a modulated laser beam. Results of this study provide a potential means for the rapid evaluation of magnetic tape quality.

Citation Download Citation

S. B. Peralta and A. W. Williams "Photoacoustic Analysis Of Metal Oxide Homogeneity In Magnetic Tapes", Proc. SPIE 0701, 1986 European Conf on Optics, Optical Systems and Applications, (10 July 1987); https://doi.org/10.1117/12.937115

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