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Test disk having fluorocarbon resin asperities for magnetic disk drive component testing

  • US 4,931,338 A
  • Filed: 09/14/1988
  • Issued: 06/05/1990
  • Est. Priority Date: 09/14/1988
  • Status: Expired due to Term
First Claim
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1. A rigid transparent glass disk for use in testing the mechanical response characteristics of a slider carrying a transducer in a magnetic disk memory unit and to replace the unit'"'"'s magnetic recording disk during said testing, said disk having projections thereon formed of a fluorocarbon resin with modifiers, and having a preselected footprint shape and size and a preselected projection height above the surrounding surface;

  • the height selected by means of burnishing the top of the projection with a burnishing slider flying at said preselected height.

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  • 8 Assignments
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