发明名称 |
Antenna device and assembly of the antenna device |
摘要 |
The present invention relates to an antenna device to be used for portable communication sets and a method for reducing the manufacturing cost thereof. The antenna device includes a substrate having at least one of a dielectric material and a magnetic material and having upper and lower faces as well as a pair of side faces on which convex portions and concave portions are alternately formed. Also included is a helical conductor layer formed on the upper and lower faces, and on the concave portion or convex portion on a pair of the side faces of the substrate so as to spirally surround the entire substrate.
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申请公布号 |
US6486852(B1) |
申请公布日期 |
2002.11.26 |
申请号 |
US20000641702 |
申请日期 |
2000.08.21 |
申请人 |
MITSUBISHI MATERIALS CORPORATION |
发明人 |
HIROSE EIICHIRO;TOYODA AKIKAZU;GO YOSHIOMI;SAKAI SHINJI;TANIDOKORO HIROAKI;KITAHARA NAOTO |
分类号 |
H01Q1/24;H01Q1/36;H01Q1/38;(IPC1-7):H01Q1/24 |
主分类号 |
H01Q1/24 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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