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. 01, 2020
Filed:
Nov. 17, 2017
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Tsuyoshi Akagi, Tokyo, JP;
Takaaki Furuya, Tokyo, JP;
Asahi Kasei Microdevices Corporation, Tokyo, JP;
Abstract
A Hall sensor having a ball portion on a magnetosensitive portion is provided. A Hall sensor is provided, including: a substrate; a magnetosensitive portion formed on the substrate; an insulating film formed on the magnetosensitive portion; an electrode portion formed on the insulating film; and a ball portion which is provided on the electrode portion and is electrically connected to the electrode portion, wherein in plan view, a projection area of the ball portion accounts for 10% or more of a projection area of the magnetosensitive portion. The projection area of the ball portion may account for 20% or more of the projection area of the magnetosensitive portion. A bonding wire which is electrically connected to the ball portion and is extended from the ball portion in a direction perpendicular to an upper surface of the electrode portion may be further included.