Invention Grant
- Patent Title: LC composite electronic component
- Patent Title (中): LC复合电子元件
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Application No.: US12782570Application Date: 2010-05-18
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Publication No.: US08098116B2Publication Date: 2012-01-17
- Inventor: Daisuke Tanaka , Haruhiko Ueno
- Applicant: Daisuke Tanaka , Haruhiko Ueno
- Applicant Address: JP
- Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee: Murata Manufacturing Co., Ltd.
- Current Assignee Address: JP
- Agency: Studebaker & Brackett PC
- Agent Tim L. Brackett, Jr.
- Priority: JP2007-303249 20071122; JP2008-290830 20081113
- Main IPC: H01H3/00
- IPC: H01H3/00 ; H01H9/00
Abstract:
An LC composite electronic component, having a large noise suppression effect without increasing in size, includes a multilayer structure in which first and second capacitor units (10), (20) and first and second coil units (30), (40) are stacked and incorporates four LC resonance circuits. A noise circulating capacitance (C21) is formed between a coil electrode (31a) and a resonance adjusting electrode (51a), and a noise circulating capacitance (C22) is formed between a coil electrode (31c) and a resonance adjusting electrode (51b). A noise circulating capacitance (C23) is formed between a coil electrode (42a) and a resonance adjusting electrode (53a), and a noise circulating capacitance (C24) is formed between a coil electrode (42c) and a resonance adjusting electrode (53b). A noise circulating capacitance (C25) is formed between lead-out electrodes (32a), (41b), and a noise circulating capacitance (C26) is formed between lead-out electrodes (32d), (41d).
Public/Granted literature
- US20100225420A1 LC COMPOSITE ELECTRONIC COMPONENT Public/Granted day:2010-09-09
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