• DocumentCode
    967353
  • Title

    Surface Pigment Volume Concentration changes with pigment loading for particulate magnetic tape

  • Author

    Haines, R.S.

  • Author_Institution
    IBM General Products Division, Boulder, Colorado
  • Volume
    14
  • Issue
    5
  • fYear
    1978
  • fDate
    9/1/1978 12:00:00 AM
  • Firstpage
    864
  • Lastpage
    865
  • Abstract
    The Surface Magnetic Pigment Concentration (SPVC) is measured by XPS analysis to a depth of 50A° and compared to the calculated bulk Pigment Volume Concentration (PVC) of particulate magnetic tape. To obtain the required resolution, a modified Van Cittert Algorithm is used to deconvolute the initial X-ray photoelectron spectra. The SPVC is obtained from the intensity of the O1Sratio of the metal oxide to polymer oxygen, as well as from the ratio of intensity of the metal core electron peak to the polymeric C1Speak. The two magnetic pigments studied are acicular ferro magnetic CrO2and acicular ferri magnetic ΓFe2O3in a polyester-urethane binder. All particulate tape surfaces analyzed were calendered.
  • Keywords
    Electron spectroscopy; Magnetic tape recording materials; Chromium; Electrons; Instruments; Magnetic analysis; Particle measurements; Pigmentation; Polymers; Signal analysis; Spectroscopy; Volume measurement;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/TMAG.1978.1059930
  • Filename
    1059930
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=967353