ES480301A1 - Un dispositivo piezoelectrico. - Google Patents

Un dispositivo piezoelectrico.

Info

Publication number
ES480301A1
ES480301A1 ES480301A ES480301A ES480301A1 ES 480301 A1 ES480301 A1 ES 480301A1 ES 480301 A ES480301 A ES 480301A ES 480301 A ES480301 A ES 480301A ES 480301 A1 ES480301 A1 ES 480301A1
Authority
ES
Spain
Prior art keywords
surface wave
devices
including surface
electrode piezoelectric
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.)
Expired
Application number
ES480301A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES480301A1 publication Critical patent/ES480301A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

Un dispositivo piezoeléctrico que comprende un cuerpo de material piezoeléctrico portador de electrodos de película de aluminio contenido en una alojamiento protector, en cuyo dispositivo las superficies de los electrodos que no están en contacto con el cuerpo piezoeléctrico llevan una capa de óxido de aluminio amorfo de un espesor de al menos 100 Aº, y el aluminio metálico situado bajo la capa de óxido de aluminio amorfo tiene un espesor de al menos 400 Aº
ES480301A 1978-05-09 1979-05-07 Un dispositivo piezoelectrico. Expired ES480301A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18461/78A GB1580600A (en) 1978-05-09 1978-05-09 Kpiezoelectric devices

Publications (1)

Publication Number Publication Date
ES480301A1 true ES480301A1 (es) 1980-01-01

Family

ID=10112837

Family Applications (1)

Application Number Title Priority Date Filing Date
ES480301A Expired ES480301A1 (es) 1978-05-09 1979-05-07 Un dispositivo piezoelectrico.

Country Status (9)

Country Link
US (1) US4472652A (es)
JP (1) JPS54158896A (es)
BE (1) BE876086A (es)
CA (1) CA1153102A (es)
DE (1) DE2917698C2 (es)
ES (1) ES480301A1 (es)
FR (1) FR2425729B1 (es)
GB (1) GB1580600A (es)
IT (1) IT1112839B (es)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4554717A (en) * 1983-12-08 1985-11-26 The United States Of America As Represented By The Secretary Of The Army Method of making miniature high frequency SC-cut quartz crystal resonators
DE3485015D1 (de) * 1983-12-15 1991-10-10 Toshiba Kawasaki Kk Akustischer oberflaechenwellenresonator.
JPS61251223A (ja) * 1985-04-27 1986-11-08 Pioneer Electronic Corp 弾性表面波共振子
JPS61288132A (ja) * 1985-06-17 1986-12-18 Yokogawa Electric Corp 水晶温度計
US4638536A (en) * 1986-01-17 1987-01-27 The United States Of America As Represented By The Secretary Of The Army Method of making a resonator having a desired frequency from a quartz crystal resonator plate
JPS62272610A (ja) * 1986-05-21 1987-11-26 Hitachi Ltd 弾性表面波素子
US5010270A (en) * 1986-12-22 1991-04-23 Raytheon Company Saw device
US5091051A (en) * 1986-12-22 1992-02-25 Raytheon Company Saw device method
US5163209A (en) * 1989-04-26 1992-11-17 Hitachi, Ltd. Method of manufacturing a stack-type piezoelectric element
JPH0752820B2 (ja) * 1990-02-28 1995-06-05 日本電波工業株式会社 多電極水晶振動子
FR2683322B1 (fr) * 1991-10-30 1994-01-07 Imaje Rheometre acoustique haute frequence et dispositif de mesure de la viscosite d'un fluide utilisant ce rheometre.
US5420472A (en) * 1992-06-11 1995-05-30 Motorola, Inc. Method and apparatus for thermal coefficient of expansion matched substrate attachment
US5446954A (en) * 1993-09-30 1995-09-05 Motorla, Inc. Method for manufacturing a frequency control device
US5406682A (en) * 1993-12-23 1995-04-18 Motorola, Inc. Method of compliantly mounting a piezoelectric device
JPH07212169A (ja) * 1994-01-21 1995-08-11 Nippon Carbide Ind Co Inc 電子素子用パッケージ
US6273322B1 (en) * 1999-05-12 2001-08-14 Aichi Steel Corporation Productive method of amorphous metal-metal jointed parts and amorphous metal-metal jointed parts
US6625855B1 (en) * 1999-10-06 2003-09-30 Murata Manufacturing Co., Ltd. Method for producing surface acoustic wave device
JP3432472B2 (ja) * 1999-12-09 2003-08-04 沖電気工業株式会社 弾性表面波装置の製造方法
US6566979B2 (en) * 2001-03-05 2003-05-20 Agilent Technologies, Inc. Method of providing differential frequency adjusts in a thin film bulk acoustic resonator (FBAR) filter and apparatus embodying the method
JP3926633B2 (ja) * 2001-06-22 2007-06-06 沖電気工業株式会社 Ｓａｗデバイス及びその製造方法
US7148610B2 (en) * 2002-02-01 2006-12-12 Oc Oerlikon Balzers Ag Surface acoustic wave device having improved performance and method of making the device
US7154206B2 (en) * 2002-07-31 2006-12-26 Kyocera Corporation Surface acoustic wave device and method for manufacturing same
US8508100B2 (en) * 2008-11-04 2013-08-13 Samsung Electronics Co., Ltd. Surface acoustic wave element, surface acoustic wave device and methods for manufacturing the same
KR101644165B1 (ko) * 2009-09-25 2016-07-29 삼성전자주식회사 표면탄성파 디바이스 및 바이오센서
JP2015088579A (ja) * 2013-10-30 2015-05-07 セイコーエプソン株式会社 パッケージ、光学デバイス、光センサー、電子デバイスおよび電子機器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1994487A (en) * 1930-01-24 1935-03-19 Brush Dev Co Method of applying electrodes to piezo crystals
US3363119A (en) * 1965-04-19 1968-01-09 Clevite Corp Piezoelectric resonator and method of making same
AU413304B2 (en) * 1968-03-28 1971-05-17 Amalgamated Wireless (Australasia) Limited Improvements in quartz crystal units
US3584245A (en) * 1969-02-20 1971-06-08 Mallory & Co Inc P R Piezoelectric resonator utilizing electrodes larger than the polarized region for controlling the coupling coefficient thereof
JPS5258341A (en) * 1975-11-10 1977-05-13 Toshiba Corp Surface wave filter
CA1106960A (en) * 1976-02-17 1981-08-11 Virgil E. Bottom Method of adjusting the frequency of a crystal resonator

Also Published As

Publication number Publication date
US4472652A (en) 1984-09-18
JPS54158896A (en) 1979-12-15
IT1112839B (it) 1986-01-20
BE876086A (fr) 1979-11-07
DE2917698C2 (de) 1985-10-24
IT7922397A0 (it) 1979-05-04
JPS6327885B2 (es) 1988-06-06
GB1580600A (en) 1980-12-03
DE2917698A1 (de) 1979-11-22
CA1153102A (en) 1983-08-30
FR2425729A1 (fr) 1979-12-07
FR2425729B1 (fr) 1985-08-02

Similar Documents

Publication Publication Date Title
ES480301A1 (es) Un dispositivo piezoelectrico.
GB1536717A (en) Surface acoustic wave devices
DE3171252D1 (en) Method for making an electrical contact to a silicon substrate through a relatively thin layer of silicon dioxide on the surface of the substrate and method for making a field effect transistor
EP0005265A3 (en) Method for making contact on the adhesive side of the electrode of an electrical device
DE59009246D1 (de) Sauerstoffsensor mit halbleitendem Galliumoxid.
JPS51128278A (en) Integrated circuit with resistance element
JPS55156375A (en) High molecular pyroelectric and piezoelectric device
GB1507171A (en) Surface wave apparatus
IT7920627A0 (it) Procedimento e dispositivo per la fabbricazione di vetro "piatto"ricoperto da una pellicola di ossidi metallici.
JPS5730818A (en) Electrochromic display device
JPS57212815A (en) Piezoelectric oscillator
JPS56114422A (en) Piezoelectric oscillator
FR2288531A1 (fr) Dispositif d'electrodes adaptables a la morphologie corporelle
JPS5294098A (en) Liquid crystal displaying device
JPS523383A (en) Manufacturing method of semiconductor device electrode
JPS5795657A (en) Semiconductor device
JPS52117063A (en) Preparation of ohmic ontact layer in semiconductor device
JPS55158549A (en) Production of sensor
JPS5314593A (en) Piezoelectric element part
JPS51121799A (en) Manufacturing method of electlet and piezoeiectric material
JPS5779657A (en) Semiconductor device
FR2373869A1 (fr) Tube vidicon a cible pyro-electrique
JPS56160075A (en) Semiconductor pressure sensor
JPS51150948A (en) Multi-layer structured elasticity surface wave unit
JPS5331965A (en) Electrode structure of semiconductor device

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19960603