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:
Dec. 11, 2012
Filed:
Dec. 30, 2009
Won Woo Cho, Busan, KR;
Young Soo Kim, Gyeongsangbuk-do, KR;
Yoon Jung Kim, Gyeongsangbuk-do, KR;
Dek Gin Yang, Chungcheongbuk-do, KR;
Myung Gun Chong, Gyeongsangnam-do, KR;
Hyung Ho Kim, Incheon, KR;
Won Woo Cho, Busan, KR;
Young Soo Kim, Gyeongsangbuk-do, KR;
Yoon Jung Kim, Gyeongsangbuk-do, KR;
Dek Gin Yang, Chungcheongbuk-do, KR;
Myung Gun Chong, Gyeongsangnam-do, KR;
Hyung Ho Kim, Incheon, KR;
Samsung Electro-Mechanics Co., Ltd., Suwon, Gyunggi-do, KR;
Postech Academy-Industry Foundation, Pohang Univ. of Science, Gyeongsangbuk-do, KR;
Abstract
Disclosed herein are an electromagnetic bandgap structure and a printed circuit board having the same. The bandgap structure includes a conductive layer including a plurality of conductive plates; and a metal layer disposed over or under the conductive layer and including a stitching pattern to electrically connect a first conductive plate to a second conductive plate of the plurality of conductive plates. The bandgap structure includes a spiral stitching pattern formed in a metal layer different from the conductive layer, thus offering a stop-band having a desired bandwidth in a compact structure.