Title:
COOLING DEVICE
Document Type and Number:
Japanese Patent JP2001227851
Kind Code:
A
Abstract:
To provide a cooling device for cooling either a specimen or a sensor down to such a boiling temperature of helium in which both time and work for performing a cooling operation can be saved without requiring any cooling in the device carried out in advance under application of liquid nitrogen.
This cooling device has a structure in which a liquid helium storing tank is not installed in a vacuum chamber, but in place of it, a port for feeding liquid helium is installed in view of thermal insulation, a liquid helium container and the port are connected by a vacuum thermal insulating pipe and liquid helium is supplied directly from the container.
Inventors:
ODAWARA NARIKAZU
NAKAYAMA SATORU
NAGATA ATSUSHI
NAKAYAMA SATORU
NAGATA ATSUSHI
Application Number:
JP2000038435A
Publication Date:
August 24, 2001
Filing Date:
February 16, 2000
Export Citation:
Assignee:
SEIKO INSTR INC
International Classes:
F17C3/08; F17C3/10; F17C13/00; F25B9/00; G01R33/035; F25D3/10; (IPC1-7): F25D3/10; F25B9/00; G01R33/035
Attorney, Agent or Firm:
Keinosuke Hayashi
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