System for manufacturing chromatographic columns

Details System for manufacturing chromatographic columns System for manufacturing chromatographic columns

1996-07-15

1998-01-20

Bell, Janyce

Coating processes

Measuring, testing, or indicating

427230, 4273997, B05D 722

Patent

active

057099049

ABSTRACT:
Invention is directed to a system, i.e. method and apparatus, for manufacturing thin-walled capillary columns for use in a gas chromatographic device. The system involves the sequential filling and evacuating of the columns in a controlled environment, where the system is under the control of a microprocessor to achieve improved processing control and monitoring. The system also produces a consistant homogeneous film of polymer along the inner wall of the columns.

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patent: 4293415 (1981-10-01), Bente, III et al.
patent: 4509964 (1985-04-01), Hubball et al.
patent: 4726822 (1988-02-01), Cates et al.
patent: 4966785 (1990-10-01), Springston
patent: 5145579 (1992-09-01), Eguchi et al.

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