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:
Nov. 11, 2003
Filed:
Oct. 16, 2001
Minoru Tajima, Tokyo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A balun includes a first conductive layer disposed on a top surface of a substrate, a second conductive layer having a shorter length than the first conductive layer and disposed on the top surface of the substrate, the second conductive layer having first and second end portions, a substrate having a through hole electrically connected to the second end portion of the second conductive layer, and a third conductive layer disposed on a bottom surface of the substrate, the third conductive layer having a first end portion electrically connected to the second end portion of the second conductive layer via the through hole, and the third conductive layer being tapered from a maximum width at the second end portion thereof to a minimum width at the first end portion thereof.