JP5844939B2 - 弾性波素子、分波器および通信モジュール - Google Patents

弾性波素子、分波器および通信モジュール Download PDF

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Publication number
JP5844939B2
JP5844939B2 JP2015503021A JP2015503021A JP5844939B2 JP 5844939 B2 JP5844939 B2 JP 5844939B2 JP 2015503021 A JP2015503021 A JP 2015503021A JP 2015503021 A JP2015503021 A JP 2015503021A JP 5844939 B2 JP5844939 B2 JP 5844939B2
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electrode
comb
idt
idt electrode
bus bar
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JPWO2014133084A1 (ja
Inventor
哲也 岸野
哲也 岸野
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Kyocera Corp
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Kyocera Corp
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/0023—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output
    • H03H9/0028—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices
    • H03H9/0033—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns, or networks having balanced input and output using surface acoustic wave devices having one acoustic track only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02818—Means for compensation or elimination of undesirable effects
    • H03H9/02913—Measures for shielding against electromagnetic fields
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02992—Details of bus bars, contact pads or other electrical connections for finger electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/70—Multiple-port networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H03H9/72—Networks using surface acoustic waves
    • H03H9/725—Duplexers

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  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
JP2015503021A 2013-02-27 2014-02-27 弾性波素子、分波器および通信モジュール Active JP5844939B2 (ja)

Priority Applications (1)

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JP2015503021A JP5844939B2 (ja) 2013-02-27 2014-02-27 弾性波素子、分波器および通信モジュール

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2013036663 2013-02-27
JP2013036663 2013-02-27
JP2013227484 2013-10-31
JP2013227484 2013-10-31
PCT/JP2014/054889 WO2014133084A1 (ja) 2013-02-27 2014-02-27 弾性波素子、分波器および通信モジュール
JP2015503021A JP5844939B2 (ja) 2013-02-27 2014-02-27 弾性波素子、分波器および通信モジュール

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JP2015184358A Division JP6100852B2 (ja) 2013-02-27 2015-09-17 弾性波素子、分波器および通信モジュール

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JP5844939B2 true JP5844939B2 (ja) 2016-01-20
JPWO2014133084A1 JPWO2014133084A1 (ja) 2017-02-02

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JP2015184358A Active JP6100852B2 (ja) 2013-02-27 2015-09-17 弾性波素子、分波器および通信モジュール
JP2017032319A Active JP6426776B2 (ja) 2013-02-27 2017-02-23 弾性波素子、分波器および通信モジュール

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JP2017032319A Active JP6426776B2 (ja) 2013-02-27 2017-02-23 弾性波素子、分波器および通信モジュール

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US (2) US9806692B2 (enExample)
EP (1) EP2963819B1 (enExample)
JP (3) JP5844939B2 (enExample)
CN (1) CN104995836B (enExample)
WO (1) WO2014133084A1 (enExample)

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