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:
Sep. 08, 2020
Filed:
Apr. 03, 2018
Applicant:
Kabushiki Kaisha Nihon Micronics, Tokyo, JP;
Inventor:
Takayuki Hayashizaki, Aomori, JP;
Assignee:
Kabushiki Kaisha Nihon Micronics, Musashino-shi, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 1/073 (2006.01); G01R 31/26 (2020.01);
U.S. Cl.
CPC ...
G01R 1/073 (2013.01); G01R 31/26 (2013.01);
Abstract
An electrical connection device includes: a probe head () including a guide hole (), in which a shape perpendicular to an extending direction of the guide hole () is a shape formed by round-chamfering corner portions of a polygonal shape; and a probe () held by the probe head () in a state of penetrating the guide hole (), wherein notches which go along an axial direction of the probe () are formed on angle regions of the probe (), the angle regions facing the corner portions (C) of the guide hole ().