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.

Date of Patent:
Jun. 04, 2024

Filed:

Dec. 05, 2020
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Atsushi Sawachi, Miyagi, JP;

Ichiro Sone, Miyagi, JP;

Takuya Nishijima, Miyagi, JP;

Suguru Sato, Miyagi, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 37/32 (2006.01); G01J 3/443 (2006.01);
U.S. Cl.
CPC ...
H01J 37/32972 (2013.01); G01J 3/443 (2013.01); H01J 37/32733 (2013.01);
Abstract

A measuring device for a vacuum processing apparatus including a processing chamber having a first gate for loading and unloading a substrate and a second gate different from the first gate is provided. The measuring device includes a case having art opening that is sized to correspond to the second gate of the processing chamber and is airtightly attachable to the second gate, a decompressing mechanism configured to reduce a pressure in the case, and a measuring mechanism accommodated in the case and configured to measure a state in the processing chamber through the opening in a state where the pressure in the case is reduced by the decompressing mechanism.


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