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. 19, 2017
Filed:
Dec. 02, 2013
Applicant:
3m Innovative Properties Company, St. Paul, MN (US);
Inventors:
Eun-Kwang Hur, Seoul, KR;
Jung-Ju Suh, Kueonggi-Do, KR;
Seungah Cho, Seoul, KR;
Suk-Won Choi, Seoul, KR;
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01Q 7/06 (2006.01); H04B 5/00 (2006.01); H01F 7/02 (2006.01); H01Q 1/22 (2006.01); C04B 35/26 (2006.01); H01F 1/34 (2006.01);
U.S. Cl.
CPC ...
H01Q 7/06 (2013.01); C04B 35/26 (2013.01); H01F 1/344 (2013.01); H01F 7/0273 (2013.01); H01Q 1/2225 (2013.01); H04B 5/0031 (2013.01); C04B 2235/3241 (2013.01); C04B 2235/3277 (2013.01); C04B 2235/3279 (2013.01); C04B 2235/3281 (2013.01); C04B 2235/3284 (2013.01); C04B 2235/3298 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/5445 (2013.01); C04B 2235/608 (2013.01); C04B 2235/6025 (2013.01); C04B 2235/945 (2013.01); H04B 5/0081 (2013.01);
Abstract
Disclosed are a ferrite green sheet comprising a pattern formed in a top surface of the ferrite green sheet, a sintered ferrite sheet, a ferrite composite sheet comprising the same, and a conductive loop antenna module. The pattern comprises a plurality of grooves, each groove has a width W and a rounded shape bottom having a radius of curvature of R, wherein a ratio of W to R (W:R) is in the range of 1:0.1 to 1:0.5.