JP2020031428A - 多層圧電基板 - Google Patents
多層圧電基板 Download PDFInfo
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- JP2020031428A JP2020031428A JP2019151656A JP2019151656A JP2020031428A JP 2020031428 A JP2020031428 A JP 2020031428A JP 2019151656 A JP2019151656 A JP 2019151656A JP 2019151656 A JP2019151656 A JP 2019151656A JP 2020031428 A JP2020031428 A JP 2020031428A
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- 239000000758 substrate Substances 0.000 title claims abstract description 53
- 239000000463 material Substances 0.000 claims abstract description 121
- 238000010897 surface acoustic wave method Methods 0.000 claims description 58
- 239000003989 dielectric material Substances 0.000 claims description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 239000011029 spinel Substances 0.000 claims description 5
- 229910052596 spinel Inorganic materials 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 68
- 238000004891 communication Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000004088 simulation Methods 0.000 description 6
- -1 for example Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 4
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910020068 MgAl Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
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- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02574—Characteristics of substrate, e.g. cutting angles of combined substrates, multilayered substrates, piezoelectrical layers on not-piezoelectrical substrate
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
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- 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
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/0004—Impedance-matching networks
- H03H9/0009—Impedance-matching networks using surface acoustic wave devices
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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
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
- H03H9/02559—Characteristics of substrate, e.g. cutting angles of lithium niobate or lithium-tantalate substrates
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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
- H03H9/02—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
- H03H9/02622—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the surface, including back surface
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- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
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- 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
- H03H9/02834—Means for compensation or elimination of undesirable effects of temperature influence
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- H03H9/02—Details
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- H03H9/058—Holders or supports for surface acoustic wave devices
- H03H9/059—Holders or supports for surface acoustic wave devices consisting of mounting pads or bumps
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- H03H9/05—Holders or supports
- H03H9/10—Mounting in enclosures
- H03H9/1064—Mounting in enclosures for surface acoustic wave [SAW] devices
- H03H9/1071—Mounting in enclosures for surface acoustic wave [SAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the SAW device
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- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/10—Mounting in enclosures
- H03H9/1064—Mounting in enclosures for surface acoustic wave [SAW] devices
- H03H9/1092—Mounting in enclosures for surface acoustic wave [SAW] devices the enclosure being defined by a cover cap mounted on an element forming part of the surface acoustic wave [SAW] device on the side of the IDT's
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- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
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- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
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- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14544—Transducers of particular shape or position
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- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/25—Constructional features of resonators using surface acoustic waves
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- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/704—Piezoelectric or electrostrictive devices based on piezoelectric or electrostrictive films or coatings
- H10N30/706—Piezoelectric or electrostrictive devices based on piezoelectric or electrostrictive films or coatings characterised by the underlying bases, e.g. substrates
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- H10N30/80—Constructional details
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- H03H9/725—Duplexers
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
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Abstract
【解決手段】弾性波デバイスは、第2材料層28に接合された圧電材料層を含み、第2材料層は当該圧電材料層よりも高い熱伝導度を有する材料を含む層状基板12と、当該圧電材料層の表面上に配置されたインターディジタルトランスデューサ電極14と、当該圧電材料層上に配置されて当該インターディジタルトランスデューサ電極に電気的に接触するコンタクトパッド32と、当該第2材料層上に配置された外部ボンドパッド34と、当該層状基板を貫通して当該コンタクトパッドと当該外部ボンドパッドとの間に電気的接触を与える導電性ビア30とを含む。
【選択図】図2
Description
Claims (16)
- 弾性波デバイスであって、
第2材料層に接合された圧電材料層を含む層状基板であって、前記第2材料層は前記圧電材料層よりも高い熱伝導度を有する材料を含む層状基板と、
前記圧電材料層の表面に配置されたインターディジタルトランスデューサ電極と、
前記圧電材料層上に配置されて前記インターディジタルトランスデューサ電極に電気的に接触するコンタクトパッドと、
前記第2材料層上に配置された外部ボンドパッドと、
前記層状基板を貫通して前記コンタクトパッドと外部ボンドパッドとの間に電気的な接触を与える導電性ビアと
を含む、弾性波デバイス。 - 前記第2材料層は誘電材料を含む、請求項1の弾性波デバイス。
- 前記第2材料層はスピネルを含む、請求項2の弾性波デバイス。
- 前記第2材料層はシリコンを含む、請求項2の弾性波デバイス。
- 前記インターディジタルトランスデューサ電極の上方に、誘電材料を含む複数の壁及び一のキャップによって画定されたキャビティをさらに含む、請求項1の弾性波デバイス。
- 前記圧電材料層を前記第2材料層に接合する接合層をさらに含む、請求項1の弾性波デバイス。
- 前記接合層は二酸化ケイ素を含む、請求項6の弾性波デバイス。
- 前記第2材料層は、約50μmから約150μmの厚さを有する、請求項1の弾性波デバイス。
- 前記圧電材料層は、約0.3μmから約20μmの厚さを有する、請求項1の弾性波デバイス。
- 弾性表面波共振器として構成される請求項1の弾性波デバイス。
- 請求項10の弾性表面波共振器を含む無線周波数フィルタ。
- 請求項11の無線周波数フィルタを含む電子機器モジュール。
- 請求項12の電子機器モジュールを含む電子デバイス。
- 無線周波数フィルタであって、
少なくとも一つの弾性波デバイスを含み、
前記少なくとも一つの弾性波デバイスは、
第2材料層に接合された圧電材料層を含む層状基板であって、前記第2材料層は前記圧電材料層よりも高い熱伝導度を有する材料を含む層状基板と、
前記圧電材料層の表面に配置されたインターディジタルトランスデューサ電極と、
前記圧電材料層上に配置されて前記インターディジタルトランスデューサ電極に電気的に接触するコンタクトパッドと、
前記第2材料層上に配置された外部ボンドパッドと、
前記層状基板を貫通して前記コンタクトパッドと外部ボンドパッドとの間に電気的な接触を与える導電性ビアと
を含む、無線周波数フィルタ。 - 電子機器モジュールであって、
少なくとも一つの弾性波デバイスを含む少なくとも一つの無線周波数フィルタを含み、
前記少なくとも一つの弾性波デバイスは、
第2材料層に接合された圧電材料層を含む層状基板であって、前記第2材料層は前記圧電材料層よりも高い熱伝導度を有する材料を含む層状基板と、
前記圧電材料層の表面に配置されたインターディジタルトランスデューサ電極と、
前記圧電材料層上に配置されて前記インターディジタルトランスデューサ電極に電気的に接触するコンタクトパッドと、
前記第2材料層上に配置された外部ボンドパッドと、
前記層状基板を貫通して前記コンタクトパッドと外部ボンドパッドとの間に電気的な接触を与える導電性ビアと
を含む、電子機器モジュール。 - 弾性波デバイスであって、
第2材料層に接合された圧電材料層を含む層状基板であって、前記第2材料層は前記圧電材料層よりも高い熱伝導度を有する材料を含む層状基板と、
前記圧電材料層の表面に配置されたインターディジタルトランスデューサ電極と、
前記圧電材料層上に配置されて前記インターディジタルトランスデューサ電極に電気的に接触するコンタクトパッドと、
前記インターディジタルトランスデューサ電極の上方に、誘電材料を含む複数の壁及び一のキャップによって画定されたキャビティと、
前記キャップ上において前記キャップの前記キャビティから反対側に配置された外部ボンドパッドと、
前記キャップを貫通して前記コンタクトパッドと外部ボンドパッドとの間に電気的な接触を与える導電性ビアと
を含む、弾性波デバイス。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862721208P | 2018-08-22 | 2018-08-22 | |
US62/721,208 | 2018-08-22 | ||
US201962836134P | 2019-04-19 | 2019-04-19 | |
US62/836,134 | 2019-04-19 |
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JP2020031428A true JP2020031428A (ja) | 2020-02-27 |
JP2020031428A5 JP2020031428A5 (ja) | 2022-08-05 |
JP7374658B2 JP7374658B2 (ja) | 2023-11-07 |
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JP2019151656A Active JP7374658B2 (ja) | 2018-08-22 | 2019-08-22 | 無線周波数フィルタ、電子機器モジュール、弾性波デバイス及び電子デバイス |
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US (1) | US11133789B2 (ja) |
JP (1) | JP7374658B2 (ja) |
KR (1) | KR102765808B1 (ja) |
DE (1) | DE102019212548A1 (ja) |
GB (2) | GB2578202B (ja) |
SG (1) | SG10201907743RA (ja) |
TW (1) | TWI811431B (ja) |
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US11025220B2 (en) * | 2018-11-06 | 2021-06-01 | Skyworks Solutions, Inc. | Acoustic wave device with high thermal conductivity layer on interdigital transducer |
US11750172B2 (en) | 2019-08-21 | 2023-09-05 | Skyworks Solutions, Inc. | Multilayer piezoelectric substrate |
US11722122B2 (en) | 2019-11-22 | 2023-08-08 | Skyworks Solutions, Inc. | Multilayer piezoelectric substrate with high density electrode |
US20220158612A1 (en) * | 2020-11-19 | 2022-05-19 | Skyworks Solutions, Inc. | Packaged acoustic wave devices with multi-layer piezoelectric substrate |
US20230016884A1 (en) * | 2021-07-15 | 2023-01-19 | Skyworks Solutions, Inc. | Multilayer piezoelectric substrate device with partially recessed passivation layer |
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GB2608902A (en) | 2023-01-18 |
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GB2608902B (en) | 2023-05-17 |
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SG10201907743RA (en) | 2020-03-30 |
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US11133789B2 (en) | 2021-09-28 |
US20200067482A1 (en) | 2020-02-27 |
JP7374658B2 (ja) | 2023-11-07 |
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