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Integrated circuit common-mode filters with ESD protection and manufacturing method
专利权人:
Silergy Semiconductor Technology (Hangzhou) LTD
发明人:
Wang Albert Z.,Wu Wen-Chin,Wang Shijun,Zhang Nan
申请号:
US201313742126
公开号:
US9741655(B2)
申请日:
2013.01.15
申请国别(地区):
美国
年份:
2017
代理人:
摘要:
An integrated circuit common-mode electromagnetic interference filter incorporating electro-static discharge protection comprising two inductive coils is provided. A pair of primary and secondary spiral inductor coils is disposed corresponding to each other. A dielectric layer is used to separate the primary spiral inductor coil from the secondary spiral inductor coil electrically. Resistivity of a high-resistance substrate is more than 100 Ω-cm for supporting the primary spiral inductor coil, the secondary spiral inductor coil and the dielectric layer thereon. The proposed filter structure can be formed in integrated circuit (IC) back-end processes and thus be extraordinarily advantageous of effectively eliminating electromagnetic interferences and having electrostatic protection effect at the same time, while having small footprint.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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