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:
Sep. 06, 2011
Filed:
Sep. 10, 2008
Dong-uk Sim, Daejeon, KR;
Jong Hwa Kwon, Daejeon, KR;
Sang IL Kwak, Daejeon, KR;
Hyung DO Choi, Daejeon, KR;
Dong-Uk Sim, Daejeon, KR;
Jong Hwa Kwon, Daejeon, KR;
Sang Il Kwak, Daejeon, KR;
Hyung Do Choi, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Abstract
An electromagnetic wave absorber includes a ground layer made of a metal conductor, a dielectric layer formed on the ground layer, and a unit cell pattern made of a resistive material, and formed on the dielectric layer. The unit cell pattern includes a fundamental patch having a regular square shape, in which a rectangular recess is formed on the center of each of the respective sides, the fundamental patch being located at the center of each of the unit cell pattern, and half cross dipole patches, which are respectively disposed at the four sides of the fundamental patch at a regular angle so as to be engaged with the recesses formed on the respective sides of the fundamental patch at a regular interval.