Cleaning method and cleaning apparatus
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United States of America Patent
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Oct 20, 1998
Issued Date -
N/A
app pub date -
May 31, 1995
filing date -
Aug 22, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A part subjected to cleaning is cleaned or rinsed with a cleaning agent or rinsing agent having a nonaqueous type solvent or a hydrophilic solvent as a main component thereof. Then the cleaning agent or rinsing agent adhering to the cleaned or rinsed part subjected to cleaning is removed with a cleaning agent having perfluorocarbon as a main component thereof or the vapor of the cleaning agent. The part is subsequently dried. Otherwise, after the part subjected to cleaning has been cleaned with an aqueous type solvent or wash with water, the part is cleaned and dried with a cleaning agent having perfluorocarbon as a main component thereof or the vapor of the cleaning agent. The cleaning agent having perfluorocarbon as a main component thereof or the vapor of the cleaning agent can be used for cleaning or rinsing the part subjected to cleaning.
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