Measuring and testing – Instrument mechanism or transmission – Rate of change
Patent
1997-04-30
1998-12-01
Noland, Thomas P.
Measuring and testing
Instrument mechanism or transmission
Rate of change
374 45, 738659, G01N 2514
Patent
active
058441514
ABSTRACT:
A method and apparatus for detecting and measuring organic materials present on components used in magnetic storage systems, such as an actuator coil. The component is heated on a hot plate, and a concave lens with a low surface energy coating is placed over the component. The contaminants volatilize and condense on the glass lens. The condensate is collected in solvent. The solvent is evaporated and the size of the residue is measured. A determination can be made whether the component is suitable for used in a magnetic storage system.
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Patent Abstracts of Japan GP p. 1301, vol. 16, No. 24 Abs Pub date Jan. 21, 1992 (03-237674) "Magnetic Disk Device" Bunji Ishida.
Brown Charles Allan
Herbold Ronald Louis
Homola Andrew Marian
Merkins Heidi Lee
Wendt Herman Russell
International Business Machines - Corporation
Krall Noreen A.
Martin Robert B.
Noland Thomas P.
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