JPH0480125U - - Google Patents

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Publication number
JPH0480125U
JPH0480125U JP12546890U JP12546890U JPH0480125U JP H0480125 U JPH0480125 U JP H0480125U JP 12546890 U JP12546890 U JP 12546890U JP 12546890 U JP12546890 U JP 12546890U JP H0480125 U JPH0480125 U JP H0480125U
Authority
JP
Japan
Prior art keywords
holes
input
electrode
piezoelectric filter
insulating substrate
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.)
Granted
Application number
JP12546890U
Other languages
Japanese (ja)
Other versions
JP2583990Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1990125468U priority Critical patent/JP2583990Y2/en
Publication of JPH0480125U publication Critical patent/JPH0480125U/ja
Application granted granted Critical
Publication of JP2583990Y2 publication Critical patent/JP2583990Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図ａ，ｂ，ｃは第１の実施例を示す図、第
２図ａ，ｂは第２の実施例を示す図、第３図は従
来例を示す図である。 １，４，５……ＭＣＦ、２，６……絶縁基板。 FIGS. 1a, b, and c show a first embodiment, FIGS. 2a and b show a second embodiment, and FIG. 3 shows a conventional example. 1, 4, 5...MCF, 2, 6...Insulating substrate.

Claims (1)

【実用新案登録請求の範囲】 (1) 少なくとも入、出力端子が金属製のシエル
に絶縁材を介して貫通して設けられたベースにア
ース端子が接続されるとともに、このベース上に
設置された圧電フイルタ素子をキヤンにて気密封
止してなる圧電フイルタと、この圧電フイルタの
底部に設けられた絶縁基板とからなる表面実装型
圧電フイルタにおいて、この絶縁基板には前記各
端子の貫通する透孔が設けられるとともに、これ
ら透孔の内壁には電極が設けられ、かつ絶縁基板
の表面には上記透孔に設けられた各電極と入出力
電極あるいはアース電極の間にはフイルタ回路が
形成され、また裏面には入出力端子用の透孔以外
の大部分において接地されたシールド電極が形成
されていることを特徴とする表面実装型圧電フイ
ルタ。 (2) 少なくとも入、出力端子が金属製のシエル
に絶縁材を介して貫通して設けられたベースにア
ース端子が接続されるとともに、このベース上に
設置された圧電フイルタ素子をキヤンにて気密封
止してなる圧電フイルタを、複数個絶縁基板に設
置して一体化した表面実装型圧電フイルタにおい
て、この絶縁基板には前記各端子の貫通する透孔
が設けられるとともに、これら透孔の内壁には電
極が設けられ、かつ絶縁基板の表面には上記透孔
に設けられた各電極と入出力電極あるいはアース
電極の間にはフイルタ回路が形成され、また裏面
には入出力端子用の透孔以外の大部分において接
地されたシールド電極が形成されているているこ
とを特徴とする表面実装型圧電フイルタ。[Claims for Utility Model Registration] (1) At least the input and output terminals are connected to a base that is provided through an insulating material through a metal shell, and the earth terminal is installed on this base. A surface-mounted piezoelectric filter includes a piezoelectric filter formed by hermetically sealing a piezoelectric filter element in a can, and an insulating substrate provided at the bottom of the piezoelectric filter. Holes are provided, electrodes are provided on the inner walls of these through holes, and a filter circuit is formed on the surface of the insulating substrate between each electrode provided in the through holes and the input/output electrode or the ground electrode. Further, a surface-mounted piezoelectric filter is characterized in that a shield electrode is formed on the back surface of the filter, which is grounded in most of the areas other than the through holes for input/output terminals. (2) At least the input and output terminals are connected to a base that is provided through an insulating material through a metal shell, and the piezoelectric filter element installed on this base is connected to the can. In a surface-mounted piezoelectric filter in which a plurality of hermetically sealed piezoelectric filters are installed and integrated on an insulating substrate, the insulating substrate is provided with through holes through which the terminals pass, and the inner walls of these through holes are provided. are provided with electrodes, and a filter circuit is formed on the front surface of the insulating substrate between each electrode provided in the through hole and the input/output electrode or the ground electrode, and a transparent circuit for input/output terminals is provided on the back surface. A surface-mounted piezoelectric filter characterized in that a grounded shield electrode is formed in most of the areas other than the holes.
JP1990125468U 1990-11-27 1990-11-27 Surface mount type piezoelectric filter Expired - Fee Related JP2583990Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1990125468U JP2583990Y2 (en) 1990-11-27 1990-11-27 Surface mount type piezoelectric filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990125468U JP2583990Y2 (en) 1990-11-27 1990-11-27 Surface mount type piezoelectric filter

Publications (2)

Publication Number Publication Date
JPH0480125U true JPH0480125U (en) 1992-07-13
JP2583990Y2 JP2583990Y2 (en) 1998-10-27

Family

ID=31873064

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990125468U Expired - Fee Related JP2583990Y2 (en) 1990-11-27 1990-11-27 Surface mount type piezoelectric filter

Country Status (1)

Country Link
JP (1) JP2583990Y2 (en)

Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51161081U (en) * 1975-06-16 1976-12-22
JPS5248991A (en) * 1975-10-17 1977-04-19 Citizen Watch Co Ltd Practical structure of quartz oscillator
JPS5338937U (en) * 1976-09-09 1978-04-05
JPS5389131U (en) * 1976-12-21 1978-07-21
JPS5389644A (en) * 1977-01-14 1978-08-07 Motorola Inc Multipolar resonator
JPS5757018A (en) * 1980-09-24 1982-04-06 Fujitsu Ltd Surface acoustic wave filter
JPS5757019A (en) * 1980-09-24 1982-04-06 Fujitsu Ltd Surface acoustic wave filter
JPS57200921U (en) * 1981-06-17 1982-12-21
JPS58196073A (en) * 1982-05-12 1983-11-15 Nec Corp Electrostrictive effect element
JPS5930515U (en) * 1982-08-23 1984-02-25 いすゞ自動車株式会社 Exhaust manifold reinforcement structure
JPS59135681U (en) * 1983-03-02 1984-09-10 株式会社村田製作所 Contact structure of electronic components with case
JPS6027217A (en) * 1983-07-22 1985-02-12 Toyo Commun Equip Co Ltd Composite type piezo-electric band pass filter
JPS617124U (en) * 1984-06-20 1986-01-17 日本電波工業株式会社 Leadless piezoelectric vibrator
JPS62201964U (en) * 1986-06-13 1987-12-23
JPS6481404A (en) * 1987-09-22 1989-03-27 Tdk Corp Piezoelectric compound component and its manufacture
JPS6484904A (en) * 1987-09-26 1989-03-30 Nec Corp Surface acoustic wave device
JPH01115323U (en) * 1988-01-29 1989-08-03
JPH01156627U (en) * 1988-04-19 1989-10-27
JPH0235522U (en) * 1988-08-29 1990-03-07
JPH02170609A (en) * 1988-12-22 1990-07-02 Soshin Denki Kk Multilayer printed filter for electric circuit and its manufacture
JPH02186814A (en) * 1989-01-13 1990-07-23 Nippon Dempa Kogyo Co Ltd Piezoelectric oscillator
JPH02226906A (en) * 1989-02-28 1990-09-10 Nippon Dempa Kogyo Co Ltd Surface package type piezoelectric vibrator
JPH02147928U (en) * 1989-05-18 1990-12-17

Patent Citations (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51161081U (en) * 1975-06-16 1976-12-22
JPS5248991A (en) * 1975-10-17 1977-04-19 Citizen Watch Co Ltd Practical structure of quartz oscillator
JPS5338937U (en) * 1976-09-09 1978-04-05
JPS5389131U (en) * 1976-12-21 1978-07-21
JPS5389644A (en) * 1977-01-14 1978-08-07 Motorola Inc Multipolar resonator
JPS5757018A (en) * 1980-09-24 1982-04-06 Fujitsu Ltd Surface acoustic wave filter
JPS5757019A (en) * 1980-09-24 1982-04-06 Fujitsu Ltd Surface acoustic wave filter
JPS57200921U (en) * 1981-06-17 1982-12-21
JPS58196073A (en) * 1982-05-12 1983-11-15 Nec Corp Electrostrictive effect element
JPS5930515U (en) * 1982-08-23 1984-02-25 いすゞ自動車株式会社 Exhaust manifold reinforcement structure
JPS59135681U (en) * 1983-03-02 1984-09-10 株式会社村田製作所 Contact structure of electronic components with case
JPS6027217A (en) * 1983-07-22 1985-02-12 Toyo Commun Equip Co Ltd Composite type piezo-electric band pass filter
JPS617124U (en) * 1984-06-20 1986-01-17 日本電波工業株式会社 Leadless piezoelectric vibrator
JPS62201964U (en) * 1986-06-13 1987-12-23
JPS6481404A (en) * 1987-09-22 1989-03-27 Tdk Corp Piezoelectric compound component and its manufacture
JPS6484904A (en) * 1987-09-26 1989-03-30 Nec Corp Surface acoustic wave device
JPH01115323U (en) * 1988-01-29 1989-08-03
JPH01156627U (en) * 1988-04-19 1989-10-27
JPH0235522U (en) * 1988-08-29 1990-03-07
JPH02170609A (en) * 1988-12-22 1990-07-02 Soshin Denki Kk Multilayer printed filter for electric circuit and its manufacture
JPH02186814A (en) * 1989-01-13 1990-07-23 Nippon Dempa Kogyo Co Ltd Piezoelectric oscillator
JPH02226906A (en) * 1989-02-28 1990-09-10 Nippon Dempa Kogyo Co Ltd Surface package type piezoelectric vibrator
JPH02147928U (en) * 1989-05-18 1990-12-17

Also Published As

Publication number Publication date
JP2583990Y2 (en) 1998-10-27

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees