The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2022
Filed:
Mar. 24, 2021
Shimadzu Corporation, Kyoto, JP;
Tomoya Kudo, Kyoto, JP;
SHIMADZU CORPORATION, Kyoto, JP;
Abstract
Inside a chamber () evacuated by a vacuum pump, a flight tube () is held via a support member () that is of insulation. The outside of the chamber () is surrounded by a temperature control unit () including a heater. A body () of the chamber () is made of aluminum, and a coating layer () by a black nickel plating is formed on the inner wall surface of the body () of the chamber (). Due to this, the radiation factor of the chamber () becomes higher than that of a conventional apparatus using only aluminum, and the thermal resistance of the radiation heat transfer path between the chamber () and the flight tube () becomes low, thus improving the temperature stability of the flight tube (). Furthermore, the time constant of the temperature change of the flight tube () becomes small, thus reducing the time for the flight tube () to stabilize to a constant temperature.