Claims
- 1. A disk surface asperities tester apparatus including, in combination, a glidehead member, a plurality of piezoelectric sensors, and a signal processor, said combination comprising:A means for sensing asperities on a disk drive surface; and wherein said plurality of piezoelectric sensors are fabricated directly on said glidehead member, said sensors capable of producing electrical signals for processing by said signal processor when said glidehead member contacts asperities on said disk surface.
- 2. An apparatus for analyzing asperities in disk drive surfaces, comprising:a glidehead member; a plurality of piezoelectric sensors fabricated directly onto the top surface of said glidehead; and a piezoelectric sensor fabricated onto the side surface of said glidehead.
- 3. An apparatus for analyzing asperities in disk drive disk surfaces, comprising:a glidehead member; a plurality of piezoelectric sensors fabricated directly onto the top surface of said glidehead; said plurality of sensors comprises at least four sensors; and a fifth sensor placed on a side surface of said glidehead member.
RELATED APPLICATIONS
This invention hereby makes reference to, and derives priority from the Provisional Patent Application Ser. No. 60/053,781 filed Jul. 25, 1997, entitled “Advanced Glidehead Sensors For Small Slider”.
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Non-Patent Literature Citations (1)
Entry |
Bhushan, Bharat (Editor, American Society of Mechanical Engineers), “Advances in Information Storage Systems”, vol. 5, pp. 211-236, 1993, New York. |
Provisional Applications (1)
|
Number |
Date |
Country |
|
60/053781 |
Jul 1997 |
US |