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. 31, 2006
Filed:
Nov. 01, 2002
Koji Shibahara, Tokyo, JP;
Radivoje Popovic, St-Sulpice, CH;
Yo Yamagata, Shizuoka, JP;
Robert Racz, Zug, CH;
Koji Shibahara, Tokyo, JP;
Radivoje Popovic, St-Sulpice, CH;
Yo Yamagata, Shizuoka, JP;
Robert Racz, Zug, CH;
Sentron AG, Zug, CH;
Asahi Kasei EMD Corporation, Tokyo, JP;
Abstract
A low-cost, current sensor suitable for mass production and a manufacturing method thereof are provided. The current sensor is small with high sensitivity and can be packaged in a standard assembly line which is normally used when an integrated circuit is manufactured. Further, it is possible to obtain a sufficient shielding effect against a disturbance flux without degrading the detecting sensitivity of a flux. A first magnetic materialis bonded to the lower part of a current conductorC. The first magnetic materialhas the function of converging and amplifying a fluxgenerated by the current to be measured. A second magnetic materialis bonded above a magnetic sensor chip. The second magnetic materialhas a shielding function against a disturbance flux entering from the outside.