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:
Aug. 22, 2023

Filed:

Apr. 30, 2020
Applicant:

Hitachi High-tech Corporation, Tokyo, JP;

Inventors:

Kaifeng Zhang, Tokyo, JP;

Takenori Hirose, Tokyo, JP;

Tomonori Saeki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01Q 60/22 (2010.01); G01Q 70/10 (2010.01); G01Q 10/04 (2010.01); G01Q 20/02 (2010.01); G01Q 20/04 (2010.01);
U.S. Cl.
CPC ...
G01Q 10/045 (2013.01); G01Q 20/02 (2013.01); G01Q 20/04 (2013.01); G01Q 60/22 (2013.01);
Abstract

To enhance the measurement sensitivity of a scanning probe microscope. In a cross sectional view, a cantilever includes a vertex portion that is a portion close to a sample and is covered by a metallic film, a ridge that is connected to the vertex portion and is covered by the metallic film, and an upper corner portion that is connected to the ridge. Here, the upper corner portion and a part of the ridge are portions to be irradiated with excitation light emitted from a light source of the scanning probe microscope.


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