KR20200077857A - 공정 마진이 개선되는 탄성파 필터 wlp 패키지 - Google Patents
공정 마진이 개선되는 탄성파 필터 wlp 패키지 Download PDFInfo
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- KR20200077857A KR20200077857A KR1020180167151A KR20180167151A KR20200077857A KR 20200077857 A KR20200077857 A KR 20200077857A KR 1020180167151 A KR1020180167151 A KR 1020180167151A KR 20180167151 A KR20180167151 A KR 20180167151A KR 20200077857 A KR20200077857 A KR 20200077857A
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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 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
- 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
- H03H3/08—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 resonators or networks 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
- H03H9/02—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
- H03H9/25—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 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
-
- 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
-
- 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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- Acoustics & Sound (AREA)
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- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Abstract
Description
도 2는 본 발명의 일 실시예에 의한 탄성파 필터 WLP 패키지의 구성을 나타내는 평단면도.
도 3 내지 도 6은, 도 2의 디바이스 웨이퍼, 캡 PCB, 배리어, 및 필러 전극의 구성을 각각 나타내는 평단면도들.
도 7a 및 도 7b는, 본 발명에 의한 다양한 환경에서 단자 접속부들의 배치를 각각 나타내는 개념도들.
도 8a 내지 도 8c는, 본 발명에 의한 탄성파 필터 WLP 패키지의 구성을 각각 나타내는 단면도들.
110: 디바이스 웨이퍼 120: 캡 PCB
126: 제2단자 접속부 130: 필러 접속부
140: 배리어 160: 몰드캡
Claims (10)
- ⑴ 필터 칩,
⑵ 입/출력 전극, 및
⑶ 전기적 신호를 주입하거나 무선 주파수 신호를 출력하기 위하여 배선 패턴 형태로 상기 입/출력 전극과 연결되는 제1단자 접속부를 포함하는 디바이스 웨이퍼;
상기 디바이스 웨이퍼와 대향 설치되고, 대향되는 일면에는 상기 제1단자 접속부와 대응되고, 그 패턴 폭과 피치 간격이 상기 제1단자 접속부와 상이한 제2단자 접속부를 포함하는 캡 PCB;
상기 제1 및 제2단자 접속부를 전기적으로 연결하는 필러 접속부;
상기 디바이스 웨이퍼와 상기 캡 PCB를 지지하여 내부 공간을 제공하는 배리어; 및
상기 캡 PCB 일부와 상기 디바이스 웨이퍼 전부를 커버하는 쉴드 몰드캡을 포함하여 구성됨을 특징으로 하는 탄성파 필터 WLP 패키지. - 제 1 항에 있어서,
상기 입/출력 전극은 상기 신호를 전달하는 신호 단자와 접지 전위를 전달하는 접지 단자를 포함하고, 상기 신호 단자와 연결되는 제2단자 접속부의 폭과 넓이는 상기 접지 단자와 연결되는 제2단자 접속부의 폭과 넓이보다 큰 것을 특징으로 하는 탄성파 필터 WLP 패키지. - 제 1 항에 있어서,
상기 입/출력 전극은 상기 신호를 전달하는 신호 단자와 접지 전위를 전달하는 접지 단자를 포함하고, 상기 배리어는 상기 접지 단자와 연결되고, 금속 재질인 것을 특징으로 하는 탄성파 필터 WLP 패키지. - 제 1 항에 있어서,
상기 제2단자 접속부의 패턴 폭의 평균 값은, 상기 제1단자 접속부의 패턴 폭의 평균 값보다 2배 이상 커지는 것을 특징으로 하는 탄성파 필터 WLP 패키지. - 제 4 항에 있어서,
상기 제2단자 접속부의 패턴 넓이는, 상기 제1단자 접속부의 패턴 넓이보다 4배 이상 커지는 것을 특징으로 하는 탄성파 필터 WLP 패키지. - 제 4 항에 있어서,
상기 제1단자 접속부의 패턴 폭과 넓이는 상기 필러 접속부의 패턴 폭과 넓이보다 큰 것을 특징으로 하는 탄성파 필터 WLP 패키지. - 제 6 항에 있어서,
상기 캡 PCB의 타면에는 외부 전극 패드가 제공되고, 상기 제2단자 접속부의 폭과 넓이는 상기 외부 전극 패드의 폭과 넓이보다 큰 것을 특징으로 하는 탄성파 필터 WLP 패키지. - 제 4 항에 있어서,
상기 제2단자 접속부가 인접한 상기 배리어에 공간 마진이 커서 상기 배리어 측으로 확장되는 경우, 상기 제2단자 접속부의 피치 간격은 상기 제1단자 접속부의 피치 간격보다 작아지는 것을 특징으로 하는 탄성파 필터 WLP 패키지. - 제 8 항에 있어서,
상기 제2단자 접속부가 인접한 상기 배리어에 공간 마진이 작아 반대 방향으로 확장되는 경우, 상기 제2단자 접속부의 피치 간격은 상기 제1단자 접속부의 피치 간격보다 커지는 것을 특징으로 하는 탄성파 필터 WLP 패키지. - 제 1 항에 있어서,
상기 제2단자 접속부는 상기 필터 칩에서 발생되는 열을 일시 저장하거나 외부로 배출하는 방열판인 것을 특징으로 하는 탄성파 필터 WLP 패키지.
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KR1020180167151A KR20200077857A (ko) | 2018-12-21 | 2018-12-21 | 공정 마진이 개선되는 탄성파 필터 wlp 패키지 |
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KR20170093225A (ko) | 2015-03-16 | 2017-08-14 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성 표면파 장치 |
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KR20170093225A (ko) | 2015-03-16 | 2017-08-14 | 가부시키가이샤 무라타 세이사쿠쇼 | 탄성 표면파 장치 |
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