发明名称 |
Molded ferrite sheet, sintered ferrite substrate and antenna module |
摘要 |
The present invention relates to a molded ferrite sheet having opposing surfaces and a thickness in a range of 30 μm to 430 μm, at least one surface of said opposing surfaces having the following surface roughness characteristics (a) to (c): (a) a center line average roughness is in a range of 170 nm to 800 nm, (b) a maximum height is in a range of 3 μm to 10 μm, and (c) an area occupancy rate of cross-sectional area taken along a horizontal plane at a depth of 50% of the maximum height in a square of side 100 μm is in a range of 10 to 80%.
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申请公布号 |
US2011129641(A1) |
申请公布日期 |
2011.06.02 |
申请号 |
US20110929603 |
申请日期 |
2011.02.03 |
申请人 |
TODA KOGYO CORPORATION |
发明人 |
KIMURA TETSUYA;DOTE TOMOHIRO;YAMAMOTO KAZUMI;DOI TAKANORI;OKANO YOJI |
分类号 |
B32B3/10;B05D5/12;B24C1/00;B29C43/24 |
主分类号 |
B32B3/10 |
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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