JP4620752B2 - 表面実装用の水晶デバイス - Google Patents
表面実装用の水晶デバイス Download PDFInfo
- Publication number
- JP4620752B2 JP4620752B2 JP2008106945A JP2008106945A JP4620752B2 JP 4620752 B2 JP4620752 B2 JP 4620752B2 JP 2008106945 A JP2008106945 A JP 2008106945A JP 2008106945 A JP2008106945 A JP 2008106945A JP 4620752 B2 JP4620752 B2 JP 4620752B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- sheet
- frame wall
- ceramic container
- bottom wall
- 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.)
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
- H05K3/3442—Leadless components having edge contacts, e.g. leadless chip capacitors, chip carriers
-
- 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
- H03H9/0538—Constructional combinations of supports or holders with electromechanical or other electronic elements
- H03H9/0547—Constructional combinations of supports or holders with electromechanical or other electronic elements consisting of a vertical arrangement
-
- 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
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
- H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
- H03H9/1021—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being of the cantilever type
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09145—Edge details
- H05K2201/09181—Notches in edge pads
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10075—Non-printed oscillator
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Description
表面実装用の水晶デバイス例えば水晶振動子、水晶発振器や水晶フィルタは周波数制御素子として知られる。例えば表面実装用の水晶発振器(以下、表面実装発振器とする)は、周波数や時間の基準源として各種の電子機器に内蔵される。近年では、小型化がますます促進し、平面外形が例えば2.0×1.6mm以下にまで突入している。
第3図は一従来例を説明する表面実装発振器の図で、同図(a)は断面図、同図(b)は金属カバーを除く平面図、同図(c)は金属カバーを接合した平面図である。
しかしながら、上記構成の表面実装発振器では、シート状枠壁中間層11b及び上層11cの貫通孔6b、6cがシート状底壁層11aの貫通孔6aよりも小さくて、両者間に段差を有することに起因して次の問題があった。すなわち、シート状セラミック容器11を電解液中でメッキする際、シート状底壁層11aと枠壁中間層11bとの貫通孔6a、6bによる段差によって、電解液の液だまりを段差部に生じる。
本発明は、半田フィレット用の端面電極を均一な厚みとしてバリが少なく、開口端面の金属膜の幅を維持した表面実装デバイスを提供することを目的とする。
上記実施形態ではシーム溶接として開口端面の金属膜11には金属リング10を設けたが、例えば金属リング10を用いない金属膜11の厚みを大きくしたダイレクトシーム溶接や共晶合金による接合であっても金属膜11の幅を維持するので、これらの場合でも同様の効果を奏する。また、水晶デバイスは表面実装発振器としたが、これに限らず、水晶片のみを収容した表面実装振動子でも適用できることは勿論である。
Claims (1)
- シート状底壁層、シート状枠壁中間層及びシート状枠壁上層を積層して形成したシート状セラミック容器を個片に分割して形成される底壁層、枠壁中間層及び枠壁上層からなる凹部を有し、かつ、前記凹部の開口端面となる前記枠壁上層の表面上に金属膜を形成して、前記凹部内に少なくとも水晶片を収容した平面視矩形状のセラミック容器を備え、
前記セラミック容器の外周4角部に、前記シート状容器の分割線上の交点に設けられた貫通孔が分割されて形成される円弧状の切欠部を有するとともに、前記セラミック容器の外底面に実装端子を有し、
前記実装端子が前記切欠部のうちの前記底壁層の切欠部内に延出し、前記実装端子の表面に電解液中でメッキ層が形成される表面実装デバイスにおいて、
前記枠壁中間層の切欠部が前記底壁層の切欠部と同一の曲率半径又はそれより大な曲率半径を有し、前記枠壁上層の切欠部が前記底壁層及び前記枠壁中間層の曲率半径よりも小さいことを特徴とする表面実装デバイス。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008106945A JP4620752B2 (ja) | 2008-04-16 | 2008-04-16 | 表面実装用の水晶デバイス |
US12/384,514 US7920031B2 (en) | 2008-04-16 | 2009-04-06 | Crystal device for surface mounting |
CN2009101352079A CN101562436B (zh) | 2008-04-16 | 2009-04-16 | 用于表面安装的晶体器件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008106945A JP4620752B2 (ja) | 2008-04-16 | 2008-04-16 | 表面実装用の水晶デバイス |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2009260021A JP2009260021A (ja) | 2009-11-05 |
JP2009260021A5 JP2009260021A5 (ja) | 2010-04-22 |
JP4620752B2 true JP4620752B2 (ja) | 2011-01-26 |
Family
ID=41200649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008106945A Active JP4620752B2 (ja) | 2008-04-16 | 2008-04-16 | 表面実装用の水晶デバイス |
Country Status (3)
Country | Link |
---|---|
US (1) | US7920031B2 (ja) |
JP (1) | JP4620752B2 (ja) |
CN (1) | CN101562436B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5559588B2 (ja) * | 2010-04-15 | 2014-07-23 | 日鉄住金エレクトロデバイス株式会社 | 電子部品素子収納用パッケージ |
CN102931944B (zh) * | 2011-08-12 | 2016-09-07 | 飞思卡尔半导体公司 | 数字毛刺滤波器 |
JP6495701B2 (ja) * | 2015-03-17 | 2019-04-03 | 京セラ株式会社 | 電子部品収納用パッケージおよびその製造方法 |
JP6604071B2 (ja) * | 2015-07-29 | 2019-11-13 | 株式会社大真空 | 圧電振動デバイス |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003068921A (ja) * | 2001-08-22 | 2003-03-07 | Toyo Commun Equip Co Ltd | 表面実装型電子部品 |
JP2003243559A (ja) * | 2002-02-19 | 2003-08-29 | Taiyo Yuden Co Ltd | 配線基板端子構造 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3685358B2 (ja) * | 1998-01-22 | 2005-08-17 | セイコーエプソン株式会社 | 電子部品及びその製造方法 |
JP3620260B2 (ja) * | 1998-01-22 | 2005-02-16 | セイコーエプソン株式会社 | 電子部品 |
JP3438709B2 (ja) * | 2000-08-31 | 2003-08-18 | セイコーエプソン株式会社 | 圧電デバイス及びその製造方法と圧電発振器の製造方法 |
JP2003086723A (ja) * | 2001-09-14 | 2003-03-20 | Nec Schott Components Corp | 薄型金属パッケージ |
JP2003218265A (ja) * | 2002-01-21 | 2003-07-31 | Tokyo Denpa Co Ltd | 電子部品容器 |
JP4222020B2 (ja) * | 2002-12-17 | 2009-02-12 | セイコーエプソン株式会社 | 圧電発振器 |
JP2006303919A (ja) | 2005-04-20 | 2006-11-02 | Nippon Dempa Kogyo Co Ltd | 表面実装用の水晶発振器 |
-
2008
- 2008-04-16 JP JP2008106945A patent/JP4620752B2/ja active Active
-
2009
- 2009-04-06 US US12/384,514 patent/US7920031B2/en not_active Expired - Fee Related
- 2009-04-16 CN CN2009101352079A patent/CN101562436B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003068921A (ja) * | 2001-08-22 | 2003-03-07 | Toyo Commun Equip Co Ltd | 表面実装型電子部品 |
JP2003243559A (ja) * | 2002-02-19 | 2003-08-29 | Taiyo Yuden Co Ltd | 配線基板端子構造 |
Also Published As
Publication number | Publication date |
---|---|
CN101562436B (zh) | 2013-11-06 |
JP2009260021A (ja) | 2009-11-05 |
US7920031B2 (en) | 2011-04-05 |
CN101562436A (zh) | 2009-10-21 |
US20090261912A1 (en) | 2009-10-22 |
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