KR100488616B1 - 탄성 표면파 소자 및 그 제조방법 - Google Patents
탄성 표면파 소자 및 그 제조방법 Download PDFInfo
- Publication number
- KR100488616B1 KR100488616B1 KR10-2002-0038233A KR20020038233A KR100488616B1 KR 100488616 B1 KR100488616 B1 KR 100488616B1 KR 20020038233 A KR20020038233 A KR 20020038233A KR 100488616 B1 KR100488616 B1 KR 100488616B1
- Authority
- KR
- South Korea
- Prior art keywords
- electrode
- acoustic wave
- surface acoustic
- metal
- wave device
- Prior art date
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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
- H03H9/25—Constructional features of resonators using surface acoustic waves
-
- 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
- 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
- H03H9/02944—Means for compensation or elimination of undesirable effects of ohmic loss
-
- 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
- H03H9/02992—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 devices; 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
- H03H9/14538—Formation
-
- 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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/05001—Internal layers
-
- 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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/05001—Internal layers
- H01L2224/0502—Disposition
- H01L2224/05023—Disposition the whole internal layer protruding from the surface
-
- 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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/05001—Internal layers
- H01L2224/05075—Plural internal layers
- H01L2224/0508—Plural internal layers being stacked
-
- 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
- H01L2224/02—Bonding areas; Manufacturing methods related thereto
- H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
- H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
- H01L2224/0554—External layer
- H01L2224/0556—Disposition
- H01L2224/05568—Disposition the whole external layer protruding from the surface
-
- 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
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
- H01L2224/161—Disposition
- H01L2224/16151—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/16221—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/16225—Disposition the bump connector connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Wire Bonding (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
Description
Claims (6)
- 패키지에 수납되고, 상기 패키지와 패키지측에 형성된 솔더 범프에 의해 접합되는 탄성 표면파 소자로서,압전 기판;상기 압전 기판 상에 형성된 적어도 하나의 인터디지털 전극;상기 인터디지털 전극에 접속된 한 쌍의 버스바 전극;상기 버스바 전극에 접속된 리드 전극;상기 리드 전극에 접속되어 있고, 또한 상기 패키지에 전기적으로 접속되는 전극 패드;상기 전극 패드 상에 형성되어 있고, 상기 솔더 범프와의 접합 강도를 높이는 제 1 금속막; 및상기 제 1 금속막과 동일한 재료로 이루어지고, 상기 버스바 전극 및 리드 전극의 적어도 하나의 위에 형성된 제 2 금속막; 을 갖는 것을 특징으로 하는 탄성 표면파 소자.
- 제 1항에 있어서, 상기 제 1 금속막 및 상기 제 2 금속막이 복수의 금속층을 적층하여 이루어지는 다층 구조를 갖는 것을 특징으로 하는 탄성 표면파 소자.
- 제 1항에 있어서, 상기 제 1, 제 2 금속막이 복수의 금속층을 적층하여 이루어지는 다층 구조를 가지고, 최상부에 위치하는 금속층이 Ag 또는 Au에 의해 구성되어 있는 것을 특징으로 하는 탄성 표면파 소자.
- 제 2항에 있어서, 상기 인터디지털 전극이 복수의 금속층을 적층하여 이루어지는 다층 구조를 가지고, 상기 제 1, 제 2 금속막의 적어도 하나의 금속층이 상기 인터디지털 전극을 구성하고 있는 금속층 중, 최하층의 금속층에 비하여 비저항이 작은 금속에 의해 구성되어 있는 것을 특징으로 하는 탄성 표면파 소자.
- 삭제
- 삭제
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2001-00206587 | 2001-07-06 | ||
JP2001206587 | 2001-07-06 | ||
JP2002152815A JP2003087080A (ja) | 2001-07-06 | 2002-05-27 | 弾性表面波素子及びその製造方法 |
JPJP-P-2002-00152815 | 2002-05-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030005013A KR20030005013A (ko) | 2003-01-15 |
KR100488616B1 true KR100488616B1 (ko) | 2005-05-11 |
Family
ID=26618302
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0038233A KR100488616B1 (ko) | 2001-07-06 | 2002-07-03 | 탄성 표면파 소자 및 그 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6731046B2 (ko) |
EP (1) | EP1274167A3 (ko) |
JP (1) | JP2003087080A (ko) |
KR (1) | KR100488616B1 (ko) |
CN (1) | CN1223083C (ko) |
TW (1) | TWI269525B (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3925133B2 (ja) * | 2000-12-26 | 2007-06-06 | 株式会社村田製作所 | 弾性表面波装置の製造方法及び弾性表面波装置 |
JP4320593B2 (ja) * | 2002-03-21 | 2009-08-26 | トランセンス テクノロジーズ ピーエルシー | Sawデバイスと併用される圧力モニター |
GB0305461D0 (en) * | 2003-03-10 | 2003-04-16 | Transense Technologies Plc | Improvements in the construction of saw devices |
JP2004120016A (ja) * | 2002-09-20 | 2004-04-15 | Fujitsu Media Device Kk | フィルタ装置 |
DE10301934A1 (de) * | 2003-01-20 | 2004-07-29 | Epcos Ag | Elektrisches Bauelement mit verringerter Substratfläche |
JP3929415B2 (ja) * | 2003-04-23 | 2007-06-13 | 富士通メディアデバイス株式会社 | 弾性表面波デバイス |
JP3764450B2 (ja) * | 2003-07-28 | 2006-04-05 | Tdk株式会社 | 表面弾性波素子、表面弾性波装置、表面弾性波デュプレクサ、及び表面弾性波素子の製造方法 |
CA2558834A1 (en) * | 2003-11-26 | 2005-06-16 | The Penn State Research Foundation | Idt electroded piezoelectric diaphragms |
CN100546180C (zh) * | 2005-08-24 | 2009-09-30 | 京瓷株式会社 | 表面声波装置及其制造方法 |
CN101356727B (zh) * | 2006-01-11 | 2011-12-14 | 株式会社村田制作所 | 声表面波装置的制造方法及声表面波装置 |
EP2246978B1 (en) * | 2008-01-24 | 2018-01-03 | Murata Manufacturing Co. Ltd. | Method for manufacturing elastic wave element |
DE102008062605B4 (de) * | 2008-12-17 | 2018-10-18 | Snaptrack, Inc. | Bauelement, welches mit akustischen Wellen arbeitet, und Verfahren zu dessen Herstellung |
JP5558158B2 (ja) * | 2009-03-27 | 2014-07-23 | 京セラ株式会社 | 弾性表面波装置及びその製造方法 |
JP5585389B2 (ja) * | 2010-10-29 | 2014-09-10 | 株式会社村田製作所 | 弾性波素子及びその製造方法 |
WO2012063521A1 (ja) | 2010-11-10 | 2012-05-18 | 株式会社村田製作所 | 弾性波装置及びその製造方法 |
JP2012151698A (ja) * | 2011-01-19 | 2012-08-09 | Taiyo Yuden Co Ltd | 弾性波デバイス |
WO2015125460A1 (en) | 2014-02-18 | 2015-08-27 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Acoustic wave elements and ladder filters using same |
US10658564B2 (en) * | 2016-11-24 | 2020-05-19 | Huawei Technologies Co., Ltd. | Surface acoustic wave device |
JP2021027383A (ja) * | 2019-07-31 | 2021-02-22 | 株式会社村田製作所 | 弾性波装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09148878A (ja) * | 1995-11-20 | 1997-06-06 | Toshiba Corp | 弾性表面波デバイス |
JPH10322159A (ja) * | 1997-05-16 | 1998-12-04 | Murata Mfg Co Ltd | 弾性表面波装置 |
JPH11234082A (ja) * | 1998-02-13 | 1999-08-27 | Toko Inc | 表面弾性波装置 |
JP2000295069A (ja) * | 1999-04-01 | 2000-10-20 | Murata Mfg Co Ltd | 電子部品 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3039971B2 (ja) * | 1989-09-19 | 2000-05-08 | 株式会社日立製作所 | 接合型圧電装置及び製造方法並びに接合型圧電素子 |
JPH0421205A (ja) * | 1990-05-16 | 1992-01-24 | Hitachi Denshi Ltd | 弾性表面波デバイスの製造方法 |
JPH07212175A (ja) | 1994-01-25 | 1995-08-11 | Matsushita Electric Ind Co Ltd | 弾性表面波フィルタ |
EP0738039B1 (en) * | 1995-04-12 | 2000-06-28 | Matsushita Electric Industrial Co., Ltd. | Resonator ladder surface acoustic wave filter |
CN1133268C (zh) * | 1997-07-28 | 2003-12-31 | 东芝株式会社 | 表面声波滤波器及其制造方法 |
JP4203152B2 (ja) * | 1998-09-11 | 2008-12-24 | 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 |
JP3296356B2 (ja) * | 1999-02-08 | 2002-06-24 | 松下電器産業株式会社 | 弾性表面波デバイスとその製造方法 |
JP3860364B2 (ja) | 1999-08-11 | 2006-12-20 | 富士通メディアデバイス株式会社 | 弾性表面波装置 |
JP3405329B2 (ja) * | 2000-07-19 | 2003-05-12 | 株式会社村田製作所 | 表面波装置 |
JP3925133B2 (ja) * | 2000-12-26 | 2007-06-06 | 株式会社村田製作所 | 弾性表面波装置の製造方法及び弾性表面波装置 |
-
2002
- 2002-05-27 JP JP2002152815A patent/JP2003087080A/ja active Pending
- 2002-06-19 TW TW091113325A patent/TWI269525B/zh not_active IP Right Cessation
- 2002-07-03 KR KR10-2002-0038233A patent/KR100488616B1/ko active IP Right Grant
- 2002-07-05 EP EP20020291685 patent/EP1274167A3/en not_active Withdrawn
- 2002-07-05 CN CNB021406138A patent/CN1223083C/zh not_active Expired - Lifetime
- 2002-07-05 US US10/189,913 patent/US6731046B2/en not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09148878A (ja) * | 1995-11-20 | 1997-06-06 | Toshiba Corp | 弾性表面波デバイス |
JPH10322159A (ja) * | 1997-05-16 | 1998-12-04 | Murata Mfg Co Ltd | 弾性表面波装置 |
JPH11234082A (ja) * | 1998-02-13 | 1999-08-27 | Toko Inc | 表面弾性波装置 |
JP2000295069A (ja) * | 1999-04-01 | 2000-10-20 | Murata Mfg Co Ltd | 電子部品 |
Also Published As
Publication number | Publication date |
---|---|
EP1274167A3 (en) | 2009-05-27 |
CN1223083C (zh) | 2005-10-12 |
TWI269525B (en) | 2006-12-21 |
CN1396709A (zh) | 2003-02-12 |
JP2003087080A (ja) | 2003-03-20 |
KR20030005013A (ko) | 2003-01-15 |
US20030025422A1 (en) | 2003-02-06 |
EP1274167A2 (en) | 2003-01-08 |
US6731046B2 (en) | 2004-05-04 |
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