JP7408896B2 - 共振キャビティ表面音響波(saw)フィルタ - Google Patents
共振キャビティ表面音響波(saw)フィルタ Download PDFInfo
- Publication number
- JP7408896B2 JP7408896B2 JP2021503896A JP2021503896A JP7408896B2 JP 7408896 B2 JP7408896 B2 JP 7408896B2 JP 2021503896 A JP2021503896 A JP 2021503896A JP 2021503896 A JP2021503896 A JP 2021503896A JP 7408896 B2 JP7408896 B2 JP 7408896B2
- Authority
- JP
- Japan
- Prior art keywords
- reflective
- transducer structure
- transducer
- structures
- acoustic wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010897 surface acoustic wave method Methods 0.000 title claims description 90
- 239000000758 substrate Substances 0.000 claims description 117
- 229910052751 metal Inorganic materials 0.000 claims description 54
- 239000002184 metal Substances 0.000 claims description 54
- 230000008878 coupling Effects 0.000 claims description 37
- 238000010168 coupling process Methods 0.000 claims description 37
- 238000005859 coupling reaction Methods 0.000 claims description 37
- 239000002131 composite material Substances 0.000 claims description 35
- 239000010410 layer Substances 0.000 description 114
- 239000000463 material Substances 0.000 description 23
- 229910052710 silicon Inorganic materials 0.000 description 21
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 20
- 239000010703 silicon Substances 0.000 description 20
- 229910004298 SiO 2 Inorganic materials 0.000 description 19
- 238000010586 diagram Methods 0.000 description 15
- 230000004048 modification Effects 0.000 description 13
- 238000012986 modification Methods 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 13
- 238000002161 passivation Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 7
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- 238000004088 simulation Methods 0.000 description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 235000012239 silicon dioxide Nutrition 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 229910052681 coesite Inorganic materials 0.000 description 4
- 229910052906 cristobalite Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 4
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 4
- 229910052682 stishovite Inorganic materials 0.000 description 4
- 229910052905 tridymite Inorganic materials 0.000 description 4
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 230000001902 propagating effect Effects 0.000 description 3
- 229910052715 tantalum Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- UKDIAJWKFXFVFG-UHFFFAOYSA-N potassium;oxido(dioxo)niobium Chemical compound [K+].[O-][Nb](=O)=O UKDIAJWKFXFVFG-UHFFFAOYSA-N 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- -1 Al doped with Cu Chemical compound 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910018182 Al—Cu Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910012463 LiTaO3 Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229910021426 porous silicon Inorganic materials 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Chemical compound O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6483—Ladder SAW filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02669—Edge reflection structures, i.e. resonating structures without metallic reflectors, e.g. Bleustein-Gulyaev-Shimizu [BGS], shear horizontal [SH], shear transverse [ST], Love waves devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02685—Grating lines having particular arrangements
- H03H9/02724—Comb like grating lines
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02685—Grating lines having particular arrangements
- H03H9/02771—Reflector banks
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02803—Weighted reflective structures
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02905—Measures for separating propagation paths on substrate
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6489—Compensation of undesirable effects
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02637—Details concerning reflective or coupling arrays
- H03H9/02803—Weighted reflective structures
- H03H9/02811—Chirped reflective or coupling arrays
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/643—Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
Claims (10)
- 音響波伝播基板(102)と、
前記音響波伝播基板(102)上に設けられた少なくとも1つの入力トランスデューサー構造物(112、506)及び1つの出力トランスデューサー構造物(114、506)であって、互い違いに位置する櫛歯電極(124、126、508、510)を各々が備える、少なくとも1つの入力トランスデューサー構造物(112、506)及び1つの出力トランスデューサー構造物(114、506)と、
1つの反射構造物(116)であって、前記反射構造物(116)が、音響波の伝播方向において、前記入力トランスデューサー構造物(112、506)及び前記出力トランスデューサー構造物(114、506)から距離dに、及び、前記入力トランスデューサー構造物(112、506)と前記出力トランスデューサー構造物(114、506)との間に位置する少なくとも1つ以上の金属ストリップ(122)を備える、1つの反射構造物(116)と、
を備える、表面音響波を使用した結合型キャビティフィルタ構造物において、
前記音響波伝播基板(102)が、ベース基板(106)と、圧電層(104)と、前記ベース基板(106)と前記圧電層(104)との間に挟まれた誘電体層(108)とを備える複合基板であり、
前記反射構造物(116)が、前記複合基板並びに前記入力トランスデューサー構造物(112、506)及び前記出力トランスデューサー構造物(114、506)の前記互い違いに位置する櫛歯電極(124、126、508、510)に関連した結合係数ks 2より大きい、ユニタリ金属ストリップに関連した反射係数をもち、
前記表面音響波が、前記圧電層(104)内における剪断波又は縦波であるように構成された、ことを特徴とする、結合型キャビティフィルタ構造物。 - 前記表面音響波が、導波された音響波である、請求項1に記載の結合型キャビティフィルタ構造物。
- 少なくとも1つの前記入力トランスデューサー構造物(112)及び前記1つの出力トランスデューサー構造物(114)の前記互い違いに位置する櫛歯電極(124、126)が、p=λ/2により与えられるブラッグ条件により規定され、λが、前記入力トランスデューサー構造物(112)及び前記出力トランスデューサー構造物(114)の動作音響波長であり、pが、前記入力トランスデューサー構造物(112)及び前記出力トランスデューサー構造物(114)の電極ピッチである、請求項1に記載の結合型キャビティフィルタ構造物。
- 前記音響波の前記伝播方向において、前記入力トランスデューサー構造物(112)及び前記出力トランスデューサー構造物(114)の、前記1つの反射構造物(116)が位置している側の反対側に、前記入力トランスデューサー構造物(112)及び/又は前記出力トランスデューサー構造物(114)から離れて位置する少なくとも1つのブラッグミラー(132、134)を更に備える、請求項1に記載の結合型キャビティフィルタ構造物。
- ギャップgだけ互いに離れた、及び、音響波の前記伝播方向において、前記入力トランスデューサー構造物(112、506)及び前記出力トランスデューサー構造物(114、506)から距離dに、及び、前記入力トランスデューサー構造物(112、506)と前記出力トランスデューサー構造物(114、506)との間に位置する複数の反射構造物(116、202、204、206、208、302、304、306、308、310、312、402、404、408)を備え、前記複数の反射構造物(116、202、204、206、208、302、304、306、308、310、312、402、404、408)間の各前記ギャップg、及び、前記入力トランスデューサー構造物(112)及び前記出力トランスデューサー構造物(114)と前記入力トランスデューサー構造物(112)及び前記出力トランスデューサー構造物(114)の近接した前記反射構造物との間の各ギャップdが、音響キャビティ(120、212、214、316、408)を形成している、請求項1に記載の結合型キャビティフィルタ構造物。
- 各前記音響キャビティ(120、212、214、316、408)の長さが、λ/4より小さく、λは、前記入力トランスデューサー構造物(112)及び前記出力トランスデューサー構造物(114)の動作音響波長である、請求項5に記載の結合型キャビティフィルタ構造物。
- 各前記音響キャビティ(120、212、214、316、408)の長さが、λ/4より小さく、λは、前記入力トランスデューサー構造物(112)及び前記出力トランスデューサー構造物(114)の動作音響波長であり、各前記音響キャビティが、2つのサブキャビティに分割される、請求項5に記載の結合型キャビティフィルタ構造物。
- 複数の前記反射構造物のうちの近接した反射構造物(202、204、206、208、302、304、306、308、310、312、402、404、408)間の距離g、及び/又は、前記反射構造物(116、202、204、206、208、302、304、306、308、310、312、402、404、408)と近接した前記入力トランスデューサー構造物(112、506)及び前記出力トランスデューサー構造物(114、506)との間の距離dは、同じであるか、又は異なる、請求項5に記載の結合型キャビティフィルタ構造物。
- 前記反射構造物(116)が、前記複合基板並びに前記入力トランスデューサー構造物(112、506)及び前記出力トランスデューサー構造物(114、506)の前記互い違いに位置する櫛歯電極(124、126、508、510)に関連した結合係数ks 2より少なくとも1.5倍大きい、ユニタリ金属ストリップに関連した反射係数をもつ、請求項1に記載の結合型キャビティフィルタ構造物。
- 複数の前記反射構造物の各前記反射構造物(116、202、204、206、208、302、304、306、308、310、312、402、404、408)が、少なくとも1つ以上の金属ストリップ(122、210)を備え、前記金属ストリップのピッチが、前記入力トランスデューサー構造物及び前記出力トランスデューサー構造物(112、114、506)の電極ピッチpと同じであるか、又は異なる、請求項5に記載の結合型キャビティフィルタ構造物。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023035978A JP2023076477A (ja) | 2018-07-27 | 2023-03-08 | 共振キャビティ表面音響波(saw)フィルタ |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18306023.5A EP3599720B1 (en) | 2018-07-27 | 2018-07-27 | Resonant cavity surface acoustic wave (saw) filters |
EP18306023.5 | 2018-07-27 | ||
EP19305956 | 2019-07-18 | ||
EP19305956.5 | 2019-07-18 | ||
PCT/EP2019/070082 WO2020021029A2 (en) | 2018-07-27 | 2019-07-25 | Resonant cavity surface acoustic wave (saw) filters |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023035978A Division JP2023076477A (ja) | 2018-07-27 | 2023-03-08 | 共振キャビティ表面音響波(saw)フィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021532655A JP2021532655A (ja) | 2021-11-25 |
JP7408896B2 true JP7408896B2 (ja) | 2024-01-09 |
Family
ID=67383786
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021503896A Active JP7408896B2 (ja) | 2018-07-27 | 2019-07-25 | 共振キャビティ表面音響波(saw)フィルタ |
JP2023035978A Pending JP2023076477A (ja) | 2018-07-27 | 2023-03-08 | 共振キャビティ表面音響波(saw)フィルタ |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023035978A Pending JP2023076477A (ja) | 2018-07-27 | 2023-03-08 | 共振キャビティ表面音響波(saw)フィルタ |
Country Status (8)
Country | Link |
---|---|
US (2) | US11848663B2 (ja) |
EP (1) | EP3830956A2 (ja) |
JP (2) | JP7408896B2 (ja) |
KR (1) | KR20240044522A (ja) |
CN (1) | CN112840561A (ja) |
CA (1) | CA3106887A1 (ja) |
TW (1) | TWI734153B (ja) |
WO (1) | WO2020021029A2 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3106887A1 (en) * | 2018-07-27 | 2020-01-30 | Frec'n'sys | Resonant cavity surface acoustic wave (saw) filters |
WO2022115392A1 (en) * | 2020-11-30 | 2022-06-02 | President And Fellows Of Harvard College | Electrical control of on-chip traveling acoustic waves |
US20220239281A1 (en) * | 2021-01-22 | 2022-07-28 | RF360 Europe GmbH | Electroacoustic filter including split resonator with detuning |
CN112702040B (zh) * | 2021-02-09 | 2024-03-12 | 中电科技集团重庆声光电有限公司 | 单晶薄膜声表面波滤波器及降低基带提高带外抑制的方法 |
FR3120488B1 (fr) * | 2021-03-03 | 2023-09-15 | Frecnsys | Dispositif capteur a ondes acoustiques de surface |
FR3127660A1 (fr) | 2021-09-27 | 2023-03-31 | Frec'n'sys | Filtre a ondes elastiques de surface et a cavites resonantes |
WO2023232562A1 (fr) * | 2022-06-02 | 2023-12-07 | Soitec | Procédé de fabrication d'un dispositif à ondes élastiques de surface |
CN117579025B (zh) * | 2024-01-04 | 2024-04-16 | 常州承芯半导体有限公司 | 半导体结构及其形成方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000286664A (ja) | 1999-03-31 | 2000-10-13 | Nec Corp | 弾性表面波フィルタ |
JP2005203996A (ja) | 2004-01-15 | 2005-07-28 | Toyo Commun Equip Co Ltd | トランスバーサルsawフィルタ |
JP2008048379A (ja) | 2006-08-15 | 2008-02-28 | Northrop Grumman Corp | 表面音響波の速度の電界制御 |
JP2011087079A (ja) | 2009-10-14 | 2011-04-28 | Ngk Insulators Ltd | 弾性表面波素子 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2363701A1 (de) | 1973-12-21 | 1975-06-26 | Licentia Gmbh | Akustisches oberflaechenwellenfilter |
US3970970A (en) * | 1975-06-30 | 1976-07-20 | Motorola, Inc. | Multiple acoustically coupled surface acoustic wave resonators |
JP3196499B2 (ja) | 1994-05-30 | 2001-08-06 | 株式会社村田製作所 | 表面波共振子 |
JP3705722B2 (ja) | 1999-10-20 | 2005-10-12 | 株式会社村田製作所 | 表面波装置 |
JPWO2003003574A1 (ja) | 2001-06-29 | 2004-10-21 | 松下電器産業株式会社 | 弾性表面波フィルタ |
DE10213277A1 (de) * | 2002-03-25 | 2003-10-16 | Epcos Ag | Multiport-Resonatorfilter |
WO2005050836A1 (ja) * | 2003-11-19 | 2005-06-02 | Murata Manufacturing Co., Ltd. | 端面反射型弾性表面波装置及びその製造方法 |
US7569971B2 (en) | 2007-10-02 | 2009-08-04 | Delaware Capital Formation, Inc. | Compensation of resonators for substrate and transducer asymmetry |
EP2806267A4 (en) | 2012-01-20 | 2015-12-30 | Panasonic Ip Man Co Ltd | ELASTIC WAVE SENSOR |
WO2015080045A1 (ja) | 2013-11-29 | 2015-06-04 | 株式会社村田製作所 | 分波器 |
KR102157602B1 (ko) | 2015-10-23 | 2020-09-18 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치 |
FR3045933B1 (fr) * | 2015-12-22 | 2018-02-09 | Soitec | Substrat pour un dispositif a ondes acoustiques de surface ou a ondes acoustiques de volume compense en temperature |
TWI604641B (zh) | 2016-11-09 | 2017-11-01 | Crystalwise Tech Inc | Acoustic wave device and its composite substrate |
KR102221009B1 (ko) | 2016-11-22 | 2021-02-26 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성파 장치, 프론트 엔드 회로 및 통신 장치 |
GB2572099B (en) * | 2016-11-25 | 2022-03-23 | Univ Tohoku | Acoustic wave devices |
US20220393666A1 (en) * | 2018-06-15 | 2022-12-08 | Resonant Inc. | Filter device |
EP3599720B1 (en) * | 2018-07-27 | 2022-06-29 | Frec'n'sys | Resonant cavity surface acoustic wave (saw) filters |
CA3106887A1 (en) * | 2018-07-27 | 2020-01-30 | Frec'n'sys | Resonant cavity surface acoustic wave (saw) filters |
US20210305965A1 (en) * | 2020-03-26 | 2021-09-30 | Board Of Trustees Of The University Of Illinois | Surface acoustic wave devices using piezoelectric film on silicon carbide |
US11522516B2 (en) * | 2020-08-27 | 2022-12-06 | RF360 Europe GmbH | Thin-film surface-acoustic-wave filter using lithium niobate |
FR3127660A1 (fr) * | 2021-09-27 | 2023-03-31 | Frec'n'sys | Filtre a ondes elastiques de surface et a cavites resonantes |
-
2019
- 2019-07-25 CA CA3106887A patent/CA3106887A1/en not_active Abandoned
- 2019-07-25 WO PCT/EP2019/070082 patent/WO2020021029A2/en unknown
- 2019-07-25 JP JP2021503896A patent/JP7408896B2/ja active Active
- 2019-07-25 CN CN201980050135.XA patent/CN112840561A/zh active Pending
- 2019-07-25 TW TW108126427A patent/TWI734153B/zh active
- 2019-07-25 US US17/263,880 patent/US11848663B2/en active Active
- 2019-07-25 KR KR1020247009398A patent/KR20240044522A/ko active Search and Examination
- 2019-07-25 EP EP19742238.9A patent/EP3830956A2/en active Pending
-
2023
- 2023-03-08 JP JP2023035978A patent/JP2023076477A/ja active Pending
- 2023-11-08 US US18/504,791 patent/US20240080012A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000286664A (ja) | 1999-03-31 | 2000-10-13 | Nec Corp | 弾性表面波フィルタ |
JP2005203996A (ja) | 2004-01-15 | 2005-07-28 | Toyo Commun Equip Co Ltd | トランスバーサルsawフィルタ |
JP2008048379A (ja) | 2006-08-15 | 2008-02-28 | Northrop Grumman Corp | 表面音響波の速度の電界制御 |
JP2011087079A (ja) | 2009-10-14 | 2011-04-28 | Ngk Insulators Ltd | 弾性表面波素子 |
Also Published As
Publication number | Publication date |
---|---|
JP2021532655A (ja) | 2021-11-25 |
WO2020021029A3 (en) | 2020-03-12 |
EP3830956A2 (en) | 2021-06-09 |
CN112840561A (zh) | 2021-05-25 |
WO2020021029A2 (en) | 2020-01-30 |
TW202021269A (zh) | 2020-06-01 |
JP2023076477A (ja) | 2023-06-01 |
CA3106887A1 (en) | 2020-01-30 |
US20210265980A1 (en) | 2021-08-26 |
US20240080012A1 (en) | 2024-03-07 |
KR20240044522A (ko) | 2024-04-04 |
US11848663B2 (en) | 2023-12-19 |
TWI734153B (zh) | 2021-07-21 |
WO2020021029A4 (en) | 2020-05-28 |
KR20210058824A (ko) | 2021-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7408896B2 (ja) | 共振キャビティ表面音響波(saw)フィルタ | |
TWI762832B (zh) | 聲表面波器件 | |
US7138889B2 (en) | Single-port multi-resonator acoustic resonator device | |
US7659653B2 (en) | Acoustic wave device and filter | |
US11177791B2 (en) | High quality factor transducers for surface acoustic wave devices | |
US20130271238A1 (en) | Filter device, manufacturing method for filter device, and duplexer | |
TWI697204B (zh) | 複合基板上的表面聲波裝置 | |
EP3599720B1 (en) | Resonant cavity surface acoustic wave (saw) filters | |
US7135805B2 (en) | Surface acoustic wave transducer | |
CN110798167A (zh) | 声波器件及其制作方法 | |
JP2021536721A (ja) | 二段横波バルク弾性波フィルタ | |
JP2010068503A (ja) | 弾性表面波素子 | |
US20220407494A1 (en) | Acoustic wave device and method of manufacturing the same | |
KR102671258B1 (ko) | 공동 공진 saw 필터 | |
JP4457914B2 (ja) | 一方向性弾性表面波変換器及びそれを用いた弾性表面波デバイス | |
TW202224221A (zh) | 聲波裝置中之壓電層配置及相關方法 | |
CN117277988B (zh) | 横向耦合声学滤波器 | |
CN215871345U (zh) | 一种声波器件以及一种滤波装置 | |
CN116248072B (zh) | 一种声波滤波器及信号处理电路 | |
JP5526858B2 (ja) | 弾性境界波フィルタ装置 | |
JP4506394B2 (ja) | 一方向性弾性表面波変換器及びそれを用いた弾性表面波デバイス |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210319 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210319 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220208 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20220509 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220628 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20221108 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230308 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20230308 |
|
C60 | Trial request (containing other claim documents, opposition documents) |
Free format text: JAPANESE INTERMEDIATE CODE: C60 Effective date: 20230308 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230324 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20230502 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230725 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230906 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20231121 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20231124 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7408896 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |