JP2005094593A - 弾性表面波フィルタ - Google Patents
弾性表面波フィルタ Download PDFInfo
- Publication number
- JP2005094593A JP2005094593A JP2003327791A JP2003327791A JP2005094593A JP 2005094593 A JP2005094593 A JP 2005094593A JP 2003327791 A JP2003327791 A JP 2003327791A JP 2003327791 A JP2003327791 A JP 2003327791A JP 2005094593 A JP2005094593 A JP 2005094593A
- Authority
- JP
- Japan
- Prior art keywords
- acoustic wave
- surface acoustic
- package
- wires
- electrodes
- 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.)
- Pending
Links
- 238000010897 surface acoustic wave method Methods 0.000 title claims abstract description 63
- 238000010030 laminating Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 7
- 238000010168 coupling process Methods 0.000 abstract description 7
- 238000005859 coupling reaction Methods 0.000 abstract description 7
- 230000005672 electromagnetic field Effects 0.000 abstract description 6
- 239000003989 dielectric material Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
Images
Classifications
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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
- H03H9/02—Details
- H03H9/05—Holders; 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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- 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
- H03H9/02913—Measures for shielding against electromagnetic fields
-
- 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
-
- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48225—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
- H01L2224/48227—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 connecting the wire to a bond pad of the item
-
- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—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
- H01L2224/48221—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
- H01L2224/48225—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
- H01L2224/48237—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 connecting the wire to a die pad of the item
-
- 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
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/49105—Connecting at different heights
- H01L2224/49109—Connecting at different heights outside the semiconductor or solid-state body
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- 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
- H01L2924/1615—Shape
- H01L2924/16195—Flat cap [not enclosing an internal cavity]
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
【解決手段】少なくとも1つ以上の誘電体を積層した階段形状の凹部を有するパッケージ1と、このパッケージ1の凹部の底面に弾性表面波素子2を設け、この弾性表面波素子2の表面に設けられた複数の電極と、この複数の電極に対応し前記パッケージ1の階段の同一平面部に設けた複数の電極とを接続する複数のワイヤW10、W11と、この複数のワイヤW10、W11間に接地電極あるいは電気的に他と接続されていない電極に接続したワイヤW12を配置した。
【選択図】図1
Description
以下、実施の形態1を用いて、本発明の特に請求項1、3、4に記載の発明について説明する。
以下、実施の形態2を用いて、本発明の特に請求項2に記載の発明について説明する。
以下、実施の形態3を用いて、本発明の特に請求項2に記載の発明について説明する。
R1〜R14 弾性表面波共振器
W1〜W16 ワイヤ
1、11、21 パッケージ
2、12、22 弾性表面波素子
13、23 リッド
14、24 端子
15、25 アース層
Claims (4)
- 少なくとも1つ以上の誘電体を積層した階段形状の凹部を有するパッケージと、このパッケージの凹部の底面に弾性表面波素子を設け、この弾性表面波素子の表面に設けられた複数の電極と、この複数の電極に対応し前記パッケージの階段の同一平面部に設けた複数の電極とを接続する複数のワイヤと、この複数のワイヤ間に接地電極あるいは電気的に他と接続されていない電極に接続したワイヤを配置した弾性表面波フィルタ。
- 複数本の隣り合うワイヤが、パッケージの凹部の階段の異なる平面部に設けた電極と接続した請求項1に記載の弾性表面波フィルタ。
- 弾性表面波素子の表面に設けられた複数の電極と、この複数の電極に対応した前記パッケージの階段の同一平面部に設けた複数の電極とを接続する複数のワイヤと、この複数のワイヤ間に接地電極あるいは電気的に他と接続されていない電極に接続したワイヤが少なくとも1本以上である構成とした弾性表面波フィルタ。
- 弾性表面波素子の表面に設けられた複数の電極と、この複数の電極に対応した前記パッケージの階段の同一平面部に設けた複数の電極とがワイヤボンディングにより接続され、前記パッケージの複数の電極間に少なくとも一つ以上のワイヤボンディングされないダミー電極が配置される構成とした弾性表面波フィルタ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003327791A JP2005094593A (ja) | 2003-09-19 | 2003-09-19 | 弾性表面波フィルタ |
US10/940,577 US7106150B2 (en) | 2003-09-19 | 2004-09-14 | Surface acoustic wave filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003327791A JP2005094593A (ja) | 2003-09-19 | 2003-09-19 | 弾性表面波フィルタ |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005094593A true JP2005094593A (ja) | 2005-04-07 |
Family
ID=34308794
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003327791A Pending JP2005094593A (ja) | 2003-09-19 | 2003-09-19 | 弾性表面波フィルタ |
Country Status (2)
Country | Link |
---|---|
US (1) | US7106150B2 (ja) |
JP (1) | JP2005094593A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210104257A (ko) * | 2020-02-17 | 2021-08-25 | 주식회사 아이.티.에프 | 온도 측정 장치 및 이를 포함하는 온도 측정 시스템 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5219710B2 (ja) * | 2008-09-25 | 2013-06-26 | 日本碍子株式会社 | 粒子状物質検出装置及びその製造方法 |
DE102009034101B4 (de) * | 2009-07-21 | 2017-02-02 | Epcos Ag | Filterschaltung mit verbesserter Filtercharakteristik |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3379775B2 (ja) | 1992-11-17 | 2003-02-24 | 富士通株式会社 | 弾性表面波フィルタ |
JPH10200370A (ja) * | 1997-01-10 | 1998-07-31 | Murata Mfg Co Ltd | 弾性表面波フィルタ |
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 |
JP3362727B2 (ja) * | 2000-03-17 | 2003-01-07 | 沖電気工業株式会社 | 弾性表面波フィルタ装置 |
JP3937840B2 (ja) * | 2002-01-10 | 2007-06-27 | 株式会社日立製作所 | 高周波モジュール |
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2003
- 2003-09-19 JP JP2003327791A patent/JP2005094593A/ja active Pending
-
2004
- 2004-09-14 US US10/940,577 patent/US7106150B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20210104257A (ko) * | 2020-02-17 | 2021-08-25 | 주식회사 아이.티.에프 | 온도 측정 장치 및 이를 포함하는 온도 측정 시스템 |
KR102352748B1 (ko) * | 2020-02-17 | 2022-01-19 | 주식회사 아이.티.에프 | 온도 측정 장치 및 이를 포함하는 온도 측정 시스템 |
Also Published As
Publication number | Publication date |
---|---|
US7106150B2 (en) | 2006-09-12 |
US20050062559A1 (en) | 2005-03-24 |
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