JP7107515B2 - バルク音響共振器及びこれを含むフィルタ - Google Patents
バルク音響共振器及びこれを含むフィルタ Download PDFInfo
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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 devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
-
- 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
-
- 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
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02015—Characteristics of piezoelectric layers, 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 devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
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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 devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/171—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator implemented with thin-film techniques, i.e. of the film bulk acoustic resonator [FBAR] type
- H03H9/172—Means for mounting on a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/173—Air-gaps
-
- 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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
-
- 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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/58—Multiple crystal filters
- H03H9/582—Multiple crystal filters implemented with thin-film techniques
- H03H9/586—Means for mounting to a substrate, i.e. means constituting the material interface confining the waves to a volume
- H03H9/588—Membranes
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Physical Vapour Deposition (AREA)
Description
112 エアキャビティ
120 絶縁層
130 メンブレン
135 共振部
140 第1電極
150 圧電体
151、152 圧電層
155 異常成長
160 第2電極
170 保護層
180 電極パッド
1000、2000 フィルタ
1100、1200、2100、2200、2300、2400 バルク音響共振器
Claims (23)
- 基板と、
前記基板の上部に配置される第1電極と、
前記第1電極上に配置され、ドーピング物質が添加された窒化アルミニウムを含む複数の圧電層を含む圧電体と、
前記圧電体上に配置される第2電極と、を含み、
前記複数の圧電層のうち少なくとも一つは圧縮層であり、
前記圧縮層が、他の圧電層よりa軸方向の格子定数とc軸方向の格子定数の比(c/a)が大きく、かつ、前記圧電体の下部に前記第1電極と接するように配置されることにより、前記圧電体における異常成長の発生が抑制される、バルク音響共振器。 - 前記基板と前記第1電極との間に形成されるエアキャビティをさらに含む、請求項1に記載のバルク音響共振器。
- 前記ドーピング物質は、スカンジウム、エルビウム、イットリウム、ランタン、チタン、ジルコニウム、及びハフニウムからなる群より選択される一つ、またはこれらの組み合わせを含む、請求項1または2に記載のバルク音響共振器。
- 前記複数の圧電層は、前記ドーピング物質を1~20at%程度含む、請求項1から3のいずれか一項に記載のバルク音響共振器。
- 前記複数の圧電層のうち前記圧縮層は、他の圧電層より大きいc格子定数を有する、請求項1から4のいずれか一項に記載のバルク音響共振器。
- 前記圧縮層の密度は3.4681g/cm3を超える、請求項1から5のいずれか一項に記載のバルク音響共振器。
- 前記複数の圧電層のうち前記圧縮層上に形成された圧電層の単位面積当たりの異常成長個数は、引張応力下または応力が加えられない状態で成長した圧電層上に形成された圧電層の単位面積当たりの異常成長個数より小さい、請求項6に記載のバルク音響共振器。
- 前記圧縮層の屈折率は2.1135を超える、請求項1から7のいずれか一項に記載のバルク音響共振器。
- 前記圧電体の残留応力は引張応力である、請求項1から8のいずれか一項に記載のバルク音響共振器。
- 前記第1電極は、圧縮応力下で形成されるため、前記第1電極のa軸方向の格子定数が、応力が印加されていない状態で形成されたものより大きい、請求項1から9のいずれか一項に記載のバルク音響共振器。
- 前記第1電極は、金(Au)、チタン(Ti)、タンタル(Ta)、モリブデン(Mo)、ルテニウム(Ru)、白金(Pt)、タングステン(W)、アルミニウム(Al)、ニッケル(Ni)、及びイリジウム(Ir)のうち一つ、またはこれらの合金で形成される、請求項1から10のいずれか一項に記載のバルク音響共振器。
- 前記第1電極は、モリブデン(Mo)またはその合金を含み、
前記第1電極のa格子定数は3.12Åより大きい値を有する、請求項1から11のいずれか一項に記載のバルク音響共振器。 - 複数のバルク音響共振器を含むフィルタにおいて、
前記複数のバルク音響共振器のうち一つ以上は、請求項1~10から選択されたいずれか一つのバルク音響共振器である、フィルタ。 - 基板、共振部、及び前記共振部の下部に配置されるエアキャビティを含み、
前記共振部は、
基板の上部に配置される第1電極と、
互いに異なる応力下で形成された少なくとも二つ以上の圧電層を含む圧電体と、
前記圧電体上に配置される第2電極と、を含み、
前記圧電体は、前記圧電層のうち少なくとも一つ以上が圧縮層を含み、
前記圧縮層が、他の圧電層よりa軸方向の格子定数とc軸方向の格子定数の比(c/a)が大きく、かつ、前記圧電体の下部に前記第1電極と接するように配置されることにより、前記圧電体における異常成長の発生が抑制される、薄膜バルク音響共振器。 - 前記共振部は残留引張応力を有し、
前記圧縮層に直接印加される圧電層は引張応力下で形成される、請求項14に記載の薄膜バルク音響共振器。 - 少なくとも二つ以上の前記圧電層はそれぞれドーピングされた窒化アルミニウム圧電層であり、
前記ドーピングされた窒化アルミニウム圧電層はHCP構造を有する、請求項15に記載の薄膜バルク音響共振器。 - 前記圧縮層は、圧縮応力下で形成された第1電極の格子構造と格子整合されたHCP構造を有する、請求項16に記載の薄膜バルク音響共振器。
- 前記第1電極は、圧縮応力下で形成され、BCC構造を有する、請求項17に記載の薄膜バルク音響共振器。
- 前記圧電体の前記圧電層は圧縮応力下で形成されることで、圧縮応力下で形成された前記第1電極の格子構造と整合されたHCP構造を有する、請求項14から18のいずれか一項に記載の薄膜バルク音響共振器。
- 圧縮応力下で第1電極を形成する段階と、
第1電極上に配置され、互いに異なる応力下で形成された少なくとも二つ以上の圧電層を含む圧電体を形成する段階と、
前記圧電体上に第2電極を形成する段階と、を含み、
前記第1電極、前記圧電体、及び前記第2電極によって残留引張応力を有する共振部が形成され、
前記圧電層のうち少なくとも一つは圧縮応力下で形成され、
前記圧電層が、圧縮応力下で形成されて、圧縮応力が印加されていない状態で形成された圧電層よりa軸方向の格子定数とc軸方向の格子定数の比(c/a)が大きく、かつ、前記圧電体の下部に前記第1電極と接するように配置されることにより、前記圧電体における異常成長の発生が抑制される、バルク音響共振器の製造方法。 - 前記圧電体を形成する段階は、
異なる格子構造を有する前記第1電極の格子構造と格子整合されたHCP構造を有するように圧縮応力下で形成された圧電層を形成する段階を含む、請求項20に記載のバルク音響共振器の製造方法。 - 前記圧電体を形成する段階において、形成される前記圧電体に印加された全体的な応力は引張応力である、請求項21に記載のバルク音響共振器の製造方法。
- 前記圧電体を形成する段階は、
少なくとも二つ以上の前記圧電層がHCP構造を有するドーピングされた窒化アルミニウム圧電層で形成され、
前記第1電極はBCC構造を有する、請求項21または22に記載のバルク音響共振器の製造方法。
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102066960B1 (ko) * | 2016-08-03 | 2020-01-16 | 삼성전기주식회사 | 박막 벌크 음향 공진기 및 이를 포함하는 필터 |
KR102680008B1 (ko) * | 2016-08-12 | 2024-07-02 | 삼성전기주식회사 | 체적 음향 공진기 |
US10594298B2 (en) * | 2017-06-19 | 2020-03-17 | Rfhic Corporation | Bulk acoustic wave filter |
US10756701B2 (en) * | 2017-08-17 | 2020-08-25 | Samsung Electro-Mechanics Co., Ltd. | Bulk acoustic wave resonator |
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JP7081981B2 (ja) * | 2018-05-28 | 2022-06-07 | 太陽誘電株式会社 | 窒化アルミニウム膜、圧電デバイス、共振器、フィルタおよびマルチプレクサ |
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WO2020026611A1 (ja) | 2018-07-30 | 2020-02-06 | 株式会社村田製作所 | 圧電デバイス |
US11595016B2 (en) * | 2018-10-05 | 2023-02-28 | Samsung Electro-Mechanics Co., Ltd. | Bulk-acoustic wave resonator |
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GB201906840D0 (en) * | 2019-05-15 | 2019-06-26 | Spts Technologies Ltd | Method of deposition |
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US12102010B2 (en) | 2020-03-05 | 2024-09-24 | Akoustis, Inc. | Methods of forming films including scandium at low temperatures using chemical vapor deposition to provide piezoelectric resonator devices and/or high electron mobility transistor devices |
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US20220182034A1 (en) * | 2020-12-04 | 2022-06-09 | Akoustis, Inc. | Doped crystalline piezoelectric resonator films and methods of forming doped single crystalline piezoelectric resonator layers on substrates via epitaxy |
US11942919B2 (en) | 2021-01-11 | 2024-03-26 | Raytheon Company | Strain compensated rare earth group III-nitride heterostructures |
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US20220320417A1 (en) * | 2021-04-01 | 2022-10-06 | Applied Materials, Inc. | Method of manufacturing aluminum nitride films |
KR20220168424A (ko) * | 2021-06-16 | 2022-12-23 | 삼성전기주식회사 | 체적 음향 공진기 |
CN113438588B (zh) * | 2021-07-28 | 2023-04-28 | 成都纤声科技有限公司 | 微机电系统麦克风、耳机和电子设备 |
WO2023039569A1 (en) * | 2021-09-10 | 2023-03-16 | Akoustis, Inc. | Methods of forming piezoelectric layers having alternating polarizations |
CN114884484A (zh) * | 2022-07-12 | 2022-08-09 | 深圳新声半导体有限公司 | 一种基于复合浓度的薄膜声波滤波器 |
WO2024097094A1 (en) * | 2022-10-31 | 2024-05-10 | Applied Materials, Inc. | Within-substrate stress control of piezoelectric films using dynamic bias during piezoelectric device fabrication |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003060478A (ja) | 2001-08-17 | 2003-02-28 | Murata Mfg Co Ltd | 圧電薄膜共振子、その製造方法、および、その圧電薄膜共振子を用いたフィルタならびに電子機器 |
JP2005333619A (ja) | 2004-04-20 | 2005-12-02 | Toshiba Corp | 薄膜圧電共振器及びその製造方法 |
JP2012034093A (ja) | 2010-07-29 | 2012-02-16 | Seiko Epson Corp | 振動片、振動子、発振器、および電子機器 |
JP2013046111A (ja) | 2011-08-22 | 2013-03-04 | Taiyo Yuden Co Ltd | 弾性波デバイス |
JP2014121025A (ja) | 2012-12-18 | 2014-06-30 | Taiyo Yuden Co Ltd | 圧電薄膜共振子 |
JP2015145536A (ja) | 2015-03-24 | 2015-08-13 | セイコーエプソン株式会社 | 立方晶炭化珪素膜の製造方法 |
JP2016018964A (ja) | 2014-07-10 | 2016-02-01 | 株式会社東芝 | 磁気抵抗効果素子 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100646135B1 (ko) * | 2003-07-21 | 2006-11-23 | 쌍신전자통신주식회사 | 실리콘 체적탄성파 소자 및 그 제조방법 |
JP2005150694A (ja) * | 2003-10-23 | 2005-06-09 | Seiko Epson Corp | 圧電体膜、圧電素子、圧電アクチュエーター、圧電ポンプ、インクジェット式記録ヘッド、インクジェットプリンター、表面弾性波素子、薄膜圧電共振子、周波数フィルタ、発振器、電子回路、および電子機器 |
DE602004000851T2 (de) * | 2003-10-30 | 2007-05-16 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Akustisch gekoppelter Dünnschicht-Transformator mit zwei piezoelektrischen Elementen, welche entgegengesetzte C-Axen Orientierung besitzten |
US6946928B2 (en) * | 2003-10-30 | 2005-09-20 | Agilent Technologies, Inc. | Thin-film acoustically-coupled transformer |
JP4377740B2 (ja) * | 2004-04-28 | 2009-12-02 | 株式会社東芝 | 圧電駆動型mems素子およびこの圧電駆動型mems素子を有する移動体通信機 |
JP4016983B2 (ja) * | 2004-12-07 | 2007-12-05 | 株式会社村田製作所 | 圧電薄膜共振子およびその製造方法 |
JP4756461B2 (ja) * | 2005-10-12 | 2011-08-24 | 宇部興産株式会社 | 窒化アルミニウム薄膜およびそれを用いた圧電薄膜共振子 |
JP2007181185A (ja) * | 2005-12-01 | 2007-07-12 | Sony Corp | 音響共振器およびその製造方法 |
JP2008109402A (ja) * | 2006-10-25 | 2008-05-08 | Toshiba Corp | 薄膜圧電共振器およびその製造方法 |
US20090246385A1 (en) * | 2008-03-25 | 2009-10-01 | Tegal Corporation | Control of crystal orientation and stress in sputter deposited thin films |
CN101465628B (zh) * | 2009-01-15 | 2011-05-11 | 电子科技大学 | 一种薄膜体声波谐振器及其制备方法 |
JP5598948B2 (ja) * | 2009-07-01 | 2014-10-01 | 独立行政法人産業技術総合研究所 | 圧電体薄膜の製造方法および当該製造方法により製造される圧電体薄膜 |
WO2011018913A1 (ja) * | 2009-08-10 | 2011-02-17 | 株式会社村田製作所 | 弾性境界波装置 |
US9602073B2 (en) * | 2013-05-31 | 2017-03-21 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Bulk acoustic wave resonator having piezoelectric layer with varying amounts of dopant |
US9450561B2 (en) * | 2009-11-25 | 2016-09-20 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Bulk acoustic wave (BAW) resonator structure having an electrode with a cantilevered portion and a piezoelectric layer with varying amounts of dopant |
US9243316B2 (en) * | 2010-01-22 | 2016-01-26 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Method of fabricating piezoelectric material with selected c-axis orientation |
JP5848549B2 (ja) * | 2011-08-22 | 2016-01-27 | 太陽誘電株式会社 | 弾性波デバイスの製造方法 |
JP5817673B2 (ja) * | 2011-11-18 | 2015-11-18 | 株式会社村田製作所 | 圧電薄膜共振子及び圧電薄膜の製造方法 |
JP5904591B2 (ja) * | 2012-03-15 | 2016-04-13 | 太陽誘電株式会社 | 弾性波デバイス |
JP5994850B2 (ja) * | 2012-05-22 | 2016-09-21 | 株式会社村田製作所 | バルク波共振子 |
CN102931941A (zh) * | 2012-10-29 | 2013-02-13 | 天津理工大学 | 一种薄膜体声波谐振器基片及其制备方法 |
WO2014094883A1 (en) | 2012-12-21 | 2014-06-26 | Epcos Ag | Baw component and method for manufacturing a baw component |
US9455681B2 (en) * | 2014-02-27 | 2016-09-27 | Avago Technologies General Ip (Singapore) Pte. Ltd. | Bulk acoustic wave resonator having doped piezoelectric layer |
EP3109883B1 (en) * | 2014-03-04 | 2019-07-31 | Meidensha Corporation | Electrode material |
JP6398771B2 (ja) * | 2014-03-31 | 2018-10-03 | Tdk株式会社 | 圧電組成物および圧電素子 |
WO2016111280A1 (ja) * | 2015-01-06 | 2016-07-14 | 株式会社村田製作所 | 圧電薄膜及び圧電振動子 |
CN105703732A (zh) * | 2016-01-18 | 2016-06-22 | 佛山市艾佛光通科技有限公司 | 一种基于单晶AlN的薄膜体声波谐振器制备方法 |
KR102066960B1 (ko) * | 2016-08-03 | 2020-01-16 | 삼성전기주식회사 | 박막 벌크 음향 공진기 및 이를 포함하는 필터 |
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003060478A (ja) | 2001-08-17 | 2003-02-28 | Murata Mfg Co Ltd | 圧電薄膜共振子、その製造方法、および、その圧電薄膜共振子を用いたフィルタならびに電子機器 |
JP2005333619A (ja) | 2004-04-20 | 2005-12-02 | Toshiba Corp | 薄膜圧電共振器及びその製造方法 |
JP2012034093A (ja) | 2010-07-29 | 2012-02-16 | Seiko Epson Corp | 振動片、振動子、発振器、および電子機器 |
JP2013046111A (ja) | 2011-08-22 | 2013-03-04 | Taiyo Yuden Co Ltd | 弾性波デバイス |
JP2014121025A (ja) | 2012-12-18 | 2014-06-30 | Taiyo Yuden Co Ltd | 圧電薄膜共振子 |
JP2016018964A (ja) | 2014-07-10 | 2016-02-01 | 株式会社東芝 | 磁気抵抗効果素子 |
JP2015145536A (ja) | 2015-03-24 | 2015-08-13 | セイコーエプソン株式会社 | 立方晶炭化珪素膜の製造方法 |
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