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Patent Searching and Data


Title:
HYBRID FILTER DEVICE AND MULTIPLEXER
Document Type and Number:
WIPO Patent Application WO/2019/065027
Kind Code:
A1
Abstract:
This hybrid filter device (1) is configured of: an acoustic wave device (AD) which comprises an acoustic wave resonator; and a passive device (PD) which comprises an inductor element, or an inductor element and a capacitor element. At least one of the acoustic wave device (AD) and the passive device (PD) is mounted on a substrate (20) of the hybrid filter device (1); and the acoustic wave device (AD) and the passive device (PD) are electrically connected to each other. The acoustic wave device (AD) overlaps the passive device (PD) when viewed from a direction that is perpendicular to one main surface (20a) of the substrate (20) of the hybrid filter device (1).

Inventors:
KATO MASANORI (JP)
Application Number:
JP2018/031322
Publication Date:
April 04, 2019
Filing Date:
August 24, 2018
Export Citation:
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Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H03H9/25; H03H9/02; H03H9/17; H03H9/54; H03H9/64; H03H9/70; H03H9/72; H04B1/18
Domestic Patent References:
WO2014050219A12014-04-03
WO2017110993A12017-06-29
WO2015104882A12015-07-16
Foreign References:
JP2006060563A2006-03-02
JP2001189417A2001-07-10
JP2001069031A2001-03-16
JPH09321573A1997-12-12
JP2017152881A2017-08-31
Attorney, Agent or Firm:
YOSHIKAWA, Shuichi et al. (JP)
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