Cleaning method for a videotape recorder employing a cleaning li

Details Cleaning method for a videotape recorder employing a cleaning li Cleaning method for a videotape recorder employing a cleaning li

1998-02-11

1999-08-17

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

Using solid work treating agents

134 15, 134 32, 510167, B08B 102, B08B 304

Patent

active

059388587

ABSTRACT:
A cleaning method for a video tape recorder (VTR) employs a cleaning liquid. The cleaning liquid is applied to a tape surface of a tape-shaped support. The tape surface then slides against a surface of a VTR component, such as a magnetic head surface, to clean the surface. The cleaning liquid is a mixture of perfluorocarbons having a boiling point of about 56.degree. C. to about 155.degree. C. The cleaning liquid may also contain a hydrocarbon based solvent and a fluorine based resin. The cleaning liquid acts to clean and to prevent redeposition of contaminants on the surface of VTR component.

REFERENCES:
patent: 4202787 (1980-05-01), Davis
patent: 4213870 (1980-07-01), Loran

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