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:
Oct. 28, 2025
Filed:
Oct. 08, 2019
Hitachi High-tech Corporation, Tokyo, JP;
Masaya Yamamoto, Tokyo, JP;
Hitachi High-Tech Corporation, Tokyo, JP;
Abstract
In this sample stage that adsorbs and holds a sample, the configuration includes: an outer circumference stage that has a first adsorption surface and a pressure receiving chamber that is a recess formed in the center thereof; an inner circumference stage that has a second adsorption surface, and that is housed in the pressure receiving chamber and can project upward from the outer circumference stage; a first flow channel for a sample desorption operation that is formed on the outer circumference stage and is opened on the first adsorption surface; a second flow channel for the sample desorption operation that is formed on the outer circumference stage and the inner circumference stage and is opened on the second adsorption surface; and a third flow channel for inner circumference stage elevating driving that is formed on the outer circumference stage and is opened in the pressure receiving chamber.