公开(公告)号：US20150349424A1

公开(公告)日：2015-12-03

申请号：US14649568

申请日：2013-12-02

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Eun-Kwang Hur ,  Jung-Ju Suh ,  Seungah Cho ,  Suk-Won Choi

IPC: H01Q7/06 ,  H04B5/00 ,  H01F7/02

CPC classification number: H01Q7/06 ,  C04B35/26 ,  C04B2235/3241 ,  C04B2235/3277 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3298 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6025 ,  C04B2235/608 ,  C04B2235/945 ,  H01F1/344 ,  H01F7/0273 ,  H01Q1/2225 ,  H04B5/0031 ,  H04B5/0081

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.

Abstract translation: 公开了一种铁氧体生片，其包括形成在铁素体生片的上表面中的图案，烧结铁氧体片，包含该铁素体片的铁素体复合片和导电环天线模块。 所述图案包括多个凹槽，每个凹槽具有宽度W和具有曲率半径为R的圆形底部，其中W与R（W：R）的比率在1:0.1至1:1的范围内。 0.5。

公开(公告)号：US09847577B2

公开(公告)日：2017-12-19

申请号：US14649568

申请日：2013-12-02

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Eun-Kwang Hur ,  Jung-Ju Suh ,  Seungah Cho ,  Suk-Won Choi

IPC: H01Q7/06 ,  H04B5/00 ,  H01F7/02 ,  H01Q1/22 ,  C04B35/26 ,  H01F1/34

CPC classification number: H01Q7/06 ,  C04B35/26 ,  C04B2235/3241 ,  C04B2235/3277 ,  C04B2235/3279 ,  C04B2235/3281 ,  C04B2235/3284 ,  C04B2235/3298 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6025 ,  C04B2235/608 ,  C04B2235/945 ,  H01F1/344 ,  H01F7/0273 ,  H01Q1/2225 ,  H04B5/0031 ,  H04B5/0081

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.