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:
Feb. 28, 2012
Filed:
May. 20, 2008
Tadao Saito, Yokohama, JP;
Kazumi Sakai, Yokohama, JP;
Katsuhiko Yamada, Yokohama, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Materials Co., Ltd., Yokohama-shi, JP;
Abstract
An inductance element () includes a doughnut-shaped magnetic core () and a bottomed container () for housing the doughnut-shaped magnetic core (). The bottomed container () has a cylindrical outer wall portion, a cylindrical inner wall portion, a bottom portion, an open section and a hollow portion. The open section of the bottomed container () is covered with an adhesive portion () for integrally fixing the doughnut-shaped magnetic core () and the bottomed container (). The adhesive portion () has an extended portion () extended in the cylindrical inner wall portion. The ratio (B/A) of a length (B) of the extended portion () to a height (A) of the cylindrical inner wall portion is in a range of 0.1 to 0.5.