KR100326904B1 - 세라믹패키지내부에밀봉된saw필터 - Google Patents
세라믹패키지내부에밀봉된saw필터 Download PDFInfo
- Publication number
- KR100326904B1 KR100326904B1 KR1019970004103A KR19970004103A KR100326904B1 KR 100326904 B1 KR100326904 B1 KR 100326904B1 KR 1019970004103 A KR1019970004103 A KR 1019970004103A KR 19970004103 A KR19970004103 A KR 19970004103A KR 100326904 B1 KR100326904 B1 KR 100326904B1
- Authority
- KR
- South Korea
- Prior art keywords
- flat surface
- chip
- package member
- saw filter
- ceramic package
- 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 - Lifetime
Links
- 239000000919 ceramic Substances 0.000 title abstract description 39
- 238000000034 method Methods 0.000 claims 5
- 229910010293 ceramic material Inorganic materials 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 238000010897 surface acoustic wave method Methods 0.000 claims 2
- 239000002184 metal Substances 0.000 abstract description 13
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing 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 elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters 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 elements; 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or supports
- H03H9/058—Holders or supports for surface acoustic wave devices
- H03H9/059—Holders or 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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders or 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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
- H03H9/6436—Coupled resonator filters having one acoustic track only
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
Claims (7)
- 평탄한 표면영역을 갖는 절연 패키지 부재와,패키지 부재의 평판한 표면영역에 부착된 도전성 패드와,전극을 그 위에 지닌 평탄면을 갖고, 칩의 평탄면이 패키지 부재의 평탄한 표면영역과 마주보며 전극이 도전성 패드로부터 이격되도록 패키지 부재 상에 장착되되, 전극이 전극과 도전성 패드를 용량 접속하기 위해 도전성 패드에 적어도 부분적으로 중첩되는 칩을 구비하고,상기 패키지 부재는 패키지 부재의 평탄한 표면영역에 인접한 어깨부를 가지며,상기 칩은 어깨부와 중첩되는 주변 가장자리를 갖는 것을 특징으로 하는 전자부품.
- 제 1항에 있어서,상기 칩은 그것의 평탄면 위에 또 다른 전극을 추가로 갖고, 또 다른 전극은 도전성 패드로부터 이격되며, 이 또 다른 전극은 이 또 다른 전극과 도전성 패드를 용량 접속하기 위해 도전성 패드에 적어도 부분적으로 중첩되는 것을 특징으로 하는 전자부품.
- 제 1항에 있어서,상기 패키지 부재는 바닥을 갖는 함몰부를 지니고, 패키지 부재의 평탄한 표면 영역은 함몰부의 바닥에 배치되며, 칩은 함몰부 내부에 배치된 것을 특징으로 하는 전자부품.
- 제 3항에 있어서,상기 패키지 부재는 세라믹 물질을 포함하는 것을 특징으로 하는 전자부품.
- 제 1항에 있어서,상기 칩은 탄성 표면파 칩인 것을 특징으로 하는 전자부품.
- 세라믹 재료를 포함하고, 평탄한 표면 영역과, 이 평탄한 표면 영역이 배치되는 바닥부를 지닌 함몰부를 구비한 절연 패키지 부재와,패키지 부재의 평탄한 표면 영역에 부착되는 도전성 패드와,전극을 그 위에 지닌 평탄면을 갖고, 칩의 평탄면이 패키지 부재의 평탄한 표면영역과 마주보며 전극이 도전성 패드로부터 이격되도록 패키지 부재의 함몰부 내부에 장착되되, 전극이 전극과 도전성 패드를 용량 접속하기 위해 도전성 패드에 적어도 부분적으로 중첩되는 칩과,패키지 부재에 부착되고 함몰부를 덮는 덮개를 구비하고,상기 패키지 부재는 함몰부 내부에 패키지 부재의 평탄한 표면영역에 인접하여 어깨부를 가지며,상기 칩은 어깨부와 중첩하는 주변 가장자리를 갖는 것을 특징으로 하는 전자부품.
- 제 6항에 있어서,상기 칩은 탄성 표면파 칩인 것을 특징으로 하는 전자부품.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP041194 | 1996-02-28 | ||
JP8041194A JPH09232904A (ja) | 1996-02-28 | 1996-02-28 | Sawフィルタ用セラミックパッケージ |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970063919A KR970063919A (ko) | 1997-09-12 |
KR100326904B1 true KR100326904B1 (ko) | 2002-07-03 |
Family
ID=12601622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019970004103A Expired - Lifetime KR100326904B1 (ko) | 1996-02-28 | 1997-02-12 | 세라믹패키지내부에밀봉된saw필터 |
Country Status (5)
Country | Link |
---|---|
US (1) | US5949305A (ko) |
EP (2) | EP0793340A3 (ko) |
JP (1) | JPH09232904A (ko) |
KR (1) | KR100326904B1 (ko) |
DE (1) | DE69738146T2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100455699B1 (ko) * | 2002-10-09 | 2004-11-06 | 주식회사 케이이씨 | 표면 탄성파 필터 장치 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11127055A (ja) * | 1997-10-23 | 1999-05-11 | Murata Mfg Co Ltd | 複合電子部品 |
US6388545B1 (en) | 1998-05-29 | 2002-05-14 | Fujitsu Limited | Surface-acoustic-wave filter having an improved suppression outside a pass-band |
SG108217A1 (en) * | 1998-12-29 | 2005-01-28 | Toshiba Kk | Surface acoustic wave device |
JP3726998B2 (ja) | 1999-04-01 | 2005-12-14 | 株式会社村田製作所 | 表面波装置 |
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 |
US7434305B2 (en) | 2000-11-28 | 2008-10-14 | Knowles Electronics, Llc. | Method of manufacturing a microphone |
US8617934B1 (en) | 2000-11-28 | 2013-12-31 | Knowles Electronics, Llc | Methods of manufacture of top port multi-part surface mount silicon condenser microphone packages |
KR100483042B1 (ko) * | 2000-11-29 | 2005-04-15 | 삼성전기주식회사 | 표면 탄성파 필터의 세라믹 패키지 시일링방법 및 장치 |
KR100716155B1 (ko) * | 2001-03-08 | 2007-05-10 | 엘지이노텍 주식회사 | 매칭회로가 내장된 표면탄성파 필터 패키지 |
KR100519750B1 (ko) * | 2001-05-10 | 2005-10-07 | 삼성전자주식회사 | 저온소결 세라믹으로 실링된 칩 스케일 패키지 구조체 및그 제조방법 |
KR20030065950A (ko) * | 2002-02-02 | 2003-08-09 | 보성반도체 주식회사 | 메탈 범프를 이용한 초박형 세라믹 패키지의 제조방법 |
KR100435042B1 (ko) * | 2002-04-27 | 2004-06-07 | 엘지이노텍 주식회사 | 듀플렉스 패키지 제조방법 |
EP2774390A4 (en) | 2011-11-04 | 2015-07-22 | Knowles Electronics Llc | EMBEDDED DIELEKTRIKUM AS A BARRIER IN AN ACOUSTIC DEVICE AND METHOD OF MANUFACTURING |
US9078063B2 (en) | 2012-08-10 | 2015-07-07 | Knowles Electronics, Llc | Microphone assembly with barrier to prevent contaminant infiltration |
US9794661B2 (en) | 2015-08-07 | 2017-10-17 | Knowles Electronics, Llc | Ingress protection for reducing particle infiltration into acoustic chamber of a MEMS microphone package |
US10483248B2 (en) * | 2017-03-23 | 2019-11-19 | Skyworks Solutions, Inc. | Wafer level chip scale filter packaging using semiconductor wafers with through wafer vias |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2673993B2 (ja) * | 1990-07-02 | 1997-11-05 | 日本無線株式会社 | 表面弾性波装置 |
JPH04170811A (ja) * | 1990-11-05 | 1992-06-18 | Fujitsu Ltd | 弾性表面波デバイス |
JPH04360407A (ja) * | 1991-06-07 | 1992-12-14 | Matsushita Electric Ind Co Ltd | 表面波デバイス用セラミックパッケージ |
US5438305A (en) * | 1991-08-12 | 1995-08-01 | Hitachi, Ltd. | High frequency module including a flexible substrate |
JPH0590873A (ja) * | 1991-09-28 | 1993-04-09 | Murata Mfg Co Ltd | 弾性表面波装置 |
JPH05335878A (ja) * | 1992-05-29 | 1993-12-17 | Meidensha Corp | 表面実装型弾性表面波素子 |
JPH0697759A (ja) * | 1992-09-16 | 1994-04-08 | Fujitsu Ltd | 弾性表面波装置とその製造方法 |
US5459368A (en) * | 1993-08-06 | 1995-10-17 | Matsushita Electric Industrial Co., Ltd. | Surface acoustic wave device mounted module |
JPH07212180A (ja) * | 1994-01-10 | 1995-08-11 | Toyo Commun Equip Co Ltd | 表面実装型圧電部品 |
JPH07336183A (ja) * | 1994-06-03 | 1995-12-22 | Japan Energy Corp | 弾性表面波装置 |
JP3301262B2 (ja) * | 1995-03-28 | 2002-07-15 | 松下電器産業株式会社 | 弾性表面波装置 |
-
1996
- 1996-02-28 JP JP8041194A patent/JPH09232904A/ja not_active Withdrawn
-
1997
- 1997-02-07 DE DE69738146T patent/DE69738146T2/de not_active Expired - Lifetime
- 1997-02-07 EP EP97300812A patent/EP0793340A3/en not_active Ceased
- 1997-02-07 EP EP05110513A patent/EP1653613B1/en not_active Expired - Lifetime
- 1997-02-10 US US08/798,165 patent/US5949305A/en not_active Expired - Lifetime
- 1997-02-12 KR KR1019970004103A patent/KR100326904B1/ko not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100455699B1 (ko) * | 2002-10-09 | 2004-11-06 | 주식회사 케이이씨 | 표면 탄성파 필터 장치 |
Also Published As
Publication number | Publication date |
---|---|
DE69738146T2 (de) | 2008-06-12 |
EP1653613B1 (en) | 2007-09-12 |
EP1653613A1 (en) | 2006-05-03 |
KR970063919A (ko) | 1997-09-12 |
JPH09232904A (ja) | 1997-09-05 |
EP0793340A3 (en) | 1998-05-13 |
US5949305A (en) | 1999-09-07 |
DE69738146D1 (de) | 2007-10-25 |
EP0793340A2 (en) | 1997-09-03 |
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