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:
May. 22, 2007
Filed:
Feb. 23, 2005
Makoto Yoshida, Tokyo, JP;
Nobuyuki Okuzawa, Tokyo, JP;
Tomokazu Ito, Tokyo, JP;
Yukari Hishimura, Tokyo, JP;
Yoshikazu Sato, Tokyo, JP;
Makoto Yoshida, Tokyo, JP;
Nobuyuki Okuzawa, Tokyo, JP;
Tomokazu Ito, Tokyo, JP;
Yukari Hishimura, Tokyo, JP;
Yoshikazu Sato, Tokyo, JP;
TDK Corporation, Tokyo, JP;
Abstract
The invention relates to a coil component used as a major component of a common mode choke coil or transformer and a method of manufacturing the same, and the invention is aimed at providing a compact and low-profile coil component having a high common mode filtering property and a method of manufacturing the same. A common mode choke coil has a configuration in which a first insulation film, a first coil conductor, a second insulation film, a second coil conductor and a third insulation film are stacked in the order listed between magnetic substrates provided opposite to each other. A top portion of the first coil conductor is formed in a convex shape. The second insulation film is formed so as to follow the shape of the top portion of the first coil conductor. A bottom portion of the second coil conductor is formed in a concave shape such that it follows the shape of a top portion of the second insulation film.