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:
Jul. 12, 2022
Filed:
Nov. 19, 2020
Applicant:
Shimadzu Corporation, Kyoto, JP;
Inventor:
Yoshiro Hiramatsu, Kyoto, JP;
Assignee:
SHIMADZU CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/00 (2006.01); H01J 49/04 (2006.01);
U.S. Cl.
CPC ...
H01J 49/0468 (2013.01); H01J 49/0422 (2013.01);
Abstract
A direct sample introduction device includes: a pre-evacuating chamber that has an internal space extending in a first direction through which a sample introduction probe extends in the first direction; a first ventilation unit that is allowed to be opened and closed, with a first end thereof being connected to the pre-evacuating chamber; and a second ventilation unit a first end of which is connected to the pre-evacuating chamber and a second end of which is connected to a low pressure source.