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:
Dec. 17, 2019
Filed:
Apr. 20, 2016
Aichi Steel Corporation, Tokai-shi, Aichi-ken, JP;
AICHI STEEL CORPORATION, Tokai-shi, Aichi-ken, JP;
Abstract
A magneto-sensitive wire for a magnetic impedance sensor and a method of manufacturing the same are provided which can prevent generation of abnormal noise in an output voltage and deterioration in hysteresis characteristics and enable higher-accuracy measurement than conventional magneto-sensitive wires. The magneto-sensitive wire () comprises an amorphous wire for detecting magnetism. The magnetic impedance sensor () has the magneto-sensitive wire () and a detection coil () around the magneto-sensitive wire (). The magnetic impedance sensor () is configured to apply a pulse current to the magneto-sensitive wire () and detect a voltage generated in the detection coil () thereby capable of measuring strength of a magnetic field. The voltage has magnitude in response to strength of an external magnetic field. The magneto-sensitive wire () is a Co-based amorphous wire manufactured using an in-rotating liquid spinning method and finished by wire drawing. The magneto-sensitive wire () is subjected to removal treatment for a process-affected residual layer generated at a surface and near the surface due to finishing by the wire drawing.