JP4460612B2 - 弾性表面波デバイス及びその製造方法 - Google Patents
弾性表面波デバイス及びその製造方法 Download PDFInfo
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- JP4460612B2 JP4460612B2 JP2008028269A JP2008028269A JP4460612B2 JP 4460612 B2 JP4460612 B2 JP 4460612B2 JP 2008028269 A JP2008028269 A JP 2008028269A JP 2008028269 A JP2008028269 A JP 2008028269A JP 4460612 B2 JP4460612 B2 JP 4460612B2
- Authority
- JP
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- Prior art keywords
- piezoelectric substrate
- acoustic wave
- insulating film
- surface acoustic
- wave device
- 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.)
- Expired - Fee Related
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- 238000010897 surface acoustic wave method Methods 0.000 title claims description 94
- 238000004519 manufacturing process Methods 0.000 title claims description 29
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- 238000000034 method Methods 0.000 claims description 36
- 229920005989 resin Polymers 0.000 claims description 33
- 239000011347 resin Substances 0.000 claims description 33
- 239000000919 ceramic Substances 0.000 claims description 23
- 239000011521 glass Substances 0.000 claims description 14
- 239000000443 aerosol Substances 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 6
- 238000007751 thermal spraying Methods 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 description 19
- 229920000647 polyepoxide Polymers 0.000 description 19
- 230000008859 change Effects 0.000 description 18
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- 229910000679 solder Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 5
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- 229910013641 LiNbO 3 Inorganic materials 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000007750 plasma spraying Methods 0.000 description 3
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 2
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
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- 238000012545 processing Methods 0.000 description 2
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910007637 SnAg Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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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
- H03H9/02—Details
- H03H9/05—Holders; 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
-
- 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
- H03H9/02543—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
-
- 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
- H03H9/058—Holders; Supports for surface acoustic wave devices
- H03H9/059—Holders; Supports for surface acoustic wave devices consisting of mounting pads or bumps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/11—Manufacturing methods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/161—Cap
- H01L2924/162—Disposition
- H01L2924/16235—Connecting to a semiconductor or solid-state bodies, i.e. cap-to-chip
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Description
12 圧電基板
14 櫛型電極
16 配線電極
18 空洞部
20 樹脂部
20a エポキシ樹脂
20b エポキシ樹脂
22 柱状電極
24 半田バンプ
26 絶縁膜
26a 絶縁膜
28 開口部
30 開口部
36 フォトレジスト
38 開口部
Claims (9)
- 圧電基板と、
前記圧電基板の表面に設けられた弾性波を励振する櫛型電極と、
前記櫛型電極上に空洞部を有するように前記圧電基板の表面上に設けられた樹脂部と、
前記樹脂部を覆うように前記圧電基板の表面上に設けられた絶縁膜と、を具備し、
前記絶縁膜の厚さは前記圧電基板の厚さより大きく、前記絶縁膜の線膨張係数は前記弾性波の伝搬方向における前記圧電基板の線膨張係数より小さいことを特徴とする弾性表面波デバイス。 - 前記絶縁膜は前記圧電基板の表面上及び裏面上の両面上に設けられていることを特徴とする請求項1記載の弾性表面波デバイス。
- 前記絶縁膜はセラミックスからなることを特徴とする請求項1または2記載の弾性表面波デバイス。
- 前記セラミックスはガラスを含有していることを特徴とする請求項3記載の弾性表面波デバイス。
- 圧電基板の表面に弾性波を励振する櫛型電極を形成する工程と、
前記櫛型電極を形成する工程の後、前記圧電基板を薄膜化させる工程と、
前記櫛型電極上に空洞部を有するように前記圧電基板の表面上に樹脂部を形成する工程と、
前記樹脂部を覆うように前記薄膜化した圧電基板の表面上及び前記薄膜化した圧電基板の裏面上の少なくとも一方に、前記圧電基板の厚さより大きい厚さを有し、前記弾性波の伝搬方向における前記圧電基板の線膨張係数より小さい線膨張係数を有する絶縁膜を形成する工程と、を有することを特徴とする弾性表面波デバイスの製造方法。 - 前記絶縁膜を形成する工程は、前記圧電基板の表面上及び裏面上の両面上に前記絶縁膜を形成する工程を含むことを特徴とする請求項5記載の弾性表面波デバイスの製造方法。
- 前記絶縁膜を形成する工程は、溶射法及びエアロゾルデポジション法のいずれかを用いて前記絶縁膜を形成する工程を含むことを特徴とする請求項5または6記載の弾性表面波デバイスの製造方法。
- 前記絶縁膜はセラミックスからなることを特徴とする請求項5から7のいずれか一項記載の弾性表面波デバイスの製造方法。
- 前記セラミックスにガラスを含有させる工程を有することを特徴とする請求項8記載の弾性表面波デバイスの製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008028269A JP4460612B2 (ja) | 2008-02-08 | 2008-02-08 | 弾性表面波デバイス及びその製造方法 |
US12/366,971 US8018120B2 (en) | 2008-02-08 | 2009-02-06 | Surface acoustic wave device and method of fabricating the same |
CN200910004328XA CN101505143B (zh) | 2008-02-08 | 2009-02-06 | 表面声波器件及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008028269A JP4460612B2 (ja) | 2008-02-08 | 2008-02-08 | 弾性表面波デバイス及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009188844A JP2009188844A (ja) | 2009-08-20 |
JP4460612B2 true JP4460612B2 (ja) | 2010-05-12 |
Family
ID=40977259
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008028269A Expired - Fee Related JP4460612B2 (ja) | 2008-02-08 | 2008-02-08 | 弾性表面波デバイス及びその製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8018120B2 (ja) |
JP (1) | JP4460612B2 (ja) |
CN (1) | CN101505143B (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5110090B2 (ja) * | 2007-12-14 | 2012-12-26 | 株式会社村田製作所 | 表面波装置及びその製造方法 |
JP4567775B2 (ja) * | 2008-08-26 | 2010-10-20 | 富士通メディアデバイス株式会社 | 弾性表面波デバイスおよびその製造方法 |
JP2012160979A (ja) * | 2011-02-01 | 2012-08-23 | Taiyo Yuden Co Ltd | 弾性波デバイス及びその製造方法 |
WO2012120968A1 (ja) | 2011-03-09 | 2012-09-13 | 株式会社村田製作所 | 電子部品 |
JP5626451B2 (ja) * | 2011-03-22 | 2014-11-19 | 株式会社村田製作所 | 電子部品モジュールの製造方法及び電子部品モジュール |
US9293684B2 (en) * | 2011-07-29 | 2016-03-22 | Kyocera Corporation | Electronic part comprising acoustic wave device |
DE102012101889A1 (de) * | 2012-03-06 | 2013-09-12 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines optoelektronischen Halbleiterchips und optoelektronischer Halbleiterchip |
KR101641986B1 (ko) | 2012-08-01 | 2016-07-22 | 가부시키가이샤 무라타 세이사쿠쇼 | 전자 부품 및 전자 부품 모듈 |
JP6103906B2 (ja) | 2012-12-06 | 2017-03-29 | スカイワークスフィルターソリューションズジャパン株式会社 | 弾性波装置と封止体 |
JP6242597B2 (ja) | 2013-06-03 | 2017-12-06 | 太陽誘電株式会社 | 弾性波デバイス及びその製造方法 |
JP2015046870A (ja) * | 2013-07-31 | 2015-03-12 | 株式会社村田製作所 | 弾性波装置の製造方法 |
JP5713224B1 (ja) * | 2013-08-20 | 2015-05-07 | 株式会社村田製作所 | 弾性表面波デバイス及びその製造方法 |
JP2014033467A (ja) * | 2013-10-31 | 2014-02-20 | Murata Mfg Co Ltd | 弾性表面波素子 |
WO2015098678A1 (ja) * | 2013-12-27 | 2015-07-02 | 株式会社村田製作所 | 弾性波装置 |
DE112014006039B4 (de) | 2013-12-27 | 2022-08-25 | Murata Manufacturing Co., Ltd. | Vorrichtung für elastische Wellen und Herstellungsverfahren dafür |
CN107615658B (zh) | 2015-06-25 | 2020-12-11 | 株式会社村田制作所 | 弹性波装置 |
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 |
WO2017110993A1 (ja) * | 2015-12-25 | 2017-06-29 | 株式会社村田製作所 | 高周波モジュール |
JP7397611B2 (ja) * | 2019-09-26 | 2023-12-13 | 太陽誘電株式会社 | 電子デバイス |
CN111934649B (zh) * | 2020-09-16 | 2021-02-23 | 苏州日月新半导体有限公司 | 集成电路装置及其制造方法 |
TWI847124B (zh) * | 2022-04-19 | 2024-07-01 | 瑞峰半導體股份有限公司 | 聲波元件 |
CN117713741B (zh) * | 2024-02-04 | 2024-06-25 | 深圳新声半导体有限公司 | 薄膜表面声波滤波器及其制作方法 |
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US3965444A (en) * | 1975-01-03 | 1976-06-22 | Raytheon Company | Temperature compensated surface acoustic wave devices |
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JPS6297418A (ja) * | 1985-10-23 | 1987-05-06 | Clarion Co Ltd | 弾性表面波装置のパツケ−ジ方法 |
US5059848A (en) * | 1990-08-20 | 1991-10-22 | The United States Of America As Represented By The Secretary Of The Army | Low-cost saw packaging technique |
JP3677409B2 (ja) * | 1999-03-05 | 2005-08-03 | 京セラ株式会社 | 弾性表面波装置及びその製造方法 |
JP2001111378A (ja) * | 1999-10-13 | 2001-04-20 | Toyo Commun Equip Co Ltd | 弾性表面波素子及び弾性表面波デバイス |
JP2002261582A (ja) * | 2000-10-04 | 2002-09-13 | Matsushita Electric Ind Co Ltd | 弾性表面波デバイスおよびその製造方法ならびにそれを用いた回路モジュール |
JP4496652B2 (ja) * | 2001-02-06 | 2010-07-07 | パナソニック株式会社 | 弾性表面波装置とその製造方法 |
DE102005055870A1 (de) | 2005-11-23 | 2007-05-24 | Epcos Ag | Elektroakustisches Bauelement |
JP4686342B2 (ja) | 2005-11-30 | 2011-05-25 | 株式会社日立メディアエレクトロニクス | 弾性表面波装置及びこれを搭載した通信端末。 |
JP4670872B2 (ja) * | 2006-01-18 | 2011-04-13 | 株式会社村田製作所 | 弾性表面波装置 |
EP2023485A4 (en) * | 2006-05-30 | 2010-02-03 | Murata Manufacturing Co | RAND SOUND WAVE DEVICE |
JP2008067289A (ja) * | 2006-09-11 | 2008-03-21 | Fujitsu Media Device Kk | 弾性波デバイスおよびフィルタ |
US7408286B1 (en) * | 2007-01-17 | 2008-08-05 | Rf Micro Devices, Inc. | Piezoelectric substrate for a saw device |
JP2009021701A (ja) * | 2007-07-10 | 2009-01-29 | Koike Co Ltd | 圧電基板の製造方法 |
-
2008
- 2008-02-08 JP JP2008028269A patent/JP4460612B2/ja not_active Expired - Fee Related
-
2009
- 2009-02-06 CN CN200910004328XA patent/CN101505143B/zh not_active Expired - Fee Related
- 2009-02-06 US US12/366,971 patent/US8018120B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101505143B (zh) | 2012-04-18 |
JP2009188844A (ja) | 2009-08-20 |
US8018120B2 (en) | 2011-09-13 |
US20100038992A1 (en) | 2010-02-18 |
CN101505143A (zh) | 2009-08-12 |
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