发明名称 |
Thin-film type common-mode choke coil |
摘要 |
A thin-film type common-mode choke coil includes a laminated structure having a magnetic substrate; and electrically insulating layers and conductor layers laminated on the magnetic substrate in a direction of thickness, wherein said conductor layers form at least two coil conductors; at least two of the conductor layers are provided as spiral conductor patterns; and the spiral conductor patterns satisfy the expression: 5 mum<=W 1 <=36 mum in which W 1 is the conductor width of each of the spiral conductor patters. The spiral conductor patterns may also satisfy the expression: 100 mum<SUP>2</SUP><=T*W 1 in which T is the conductor thickness of each of said spiral conductor patterns or satisfy the expression: W 2 <Tx2 in which W 2 is the space between said spiral conductor patterns, and T is the conductor thickness of each of said spiral conductor patterns.
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申请公布号 |
US7453343(B2) |
申请公布日期 |
2008.11.18 |
申请号 |
US20060375260 |
申请日期 |
2006.03.15 |
申请人 |
TDK CORPORATION |
发明人 |
ITO TOMOKAZU;KUDO TAKASHI;OTOMO MAKOTO |
分类号 |
H01F5/00;H01F17/00;H01F41/04;H03H1/00 |
主分类号 |
H01F5/00 |
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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