发明名称 |
HIGH FREQUENCY MEMBER |
摘要 |
PROBLEM TO BE SOLVED: To provide a low cost band pass filter by employing a sapphire R- plane substrate so as to have a steep skirt characteristic. SOLUTION: The filter circuit comprising a plurality of resonance elements and a ground conductor formed on a sapphire R-plane is characterized in that it includes at least one rectangular resonance element of a J-letter-shape or with an opening.
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申请公布号 |
JP2003032004(A) |
申请公布日期 |
2003.01.31 |
申请号 |
JP20010213280 |
申请日期 |
2001.07.13 |
申请人 |
TOSHIBA CORP |
发明人 |
AIGA FUMIHIKO;FUKUYA HIROYUKI;TERAJIMA YOSHIAKI;YAMAZAKI MUTSUKI;KAYANO HIROYUKI;HASHIMOTO TATSUNORI |
分类号 |
H01L39/00;H01P1/203;H01P7/08;(IPC1-7):H01P1/203 |
主分类号 |
H01L39/00 |
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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