JPS624888B2 - - Google Patents

Info

Publication number
JPS624888B2
JPS624888B2 JP51160055A JP16005576A JPS624888B2 JP S624888 B2 JPS624888 B2 JP S624888B2 JP 51160055 A JP51160055 A JP 51160055A JP 16005576 A JP16005576 A JP 16005576A JP S624888 B2 JPS624888 B2 JP S624888B2
Authority
JP
Japan
Prior art keywords
crystal resonator
electrode
tuning fork
base
mask
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
JP51160055A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5386190A (en
Inventor
Makoto Wakasugi
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.)
Citizen Watch Co Ltd
Original Assignee
Citizen Watch Co Ltd
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 Citizen Watch Co Ltd filed Critical Citizen Watch Co Ltd
Priority to JP16005576A priority Critical patent/JPS5386190A/ja
Priority to US05/864,271 priority patent/US4252839A/en
Priority to GB54107/77A priority patent/GB1594980A/en
Publication of JPS5386190A publication Critical patent/JPS5386190A/ja
Publication of JPS624888B2 publication Critical patent/JPS624888B2/ja
Granted legal-status Critical Current

Links

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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/21—Crystal tuning forks
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/04—Coating on selected surface areas, e.g. using masks
    • C23C14/042—Coating on selected surface areas, e.g. using masks using masks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Physical Vapour Deposition (AREA)
JP16005576A 1976-12-29 1976-12-29 Electrode structure of tuning fork type crystal vibrator and its formationmethod Granted JPS5386190A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP16005576A JPS5386190A (en) 1976-12-29 1976-12-29 Electrode structure of tuning fork type crystal vibrator and its formationmethod
US05/864,271 US4252839A (en) 1976-12-29 1977-12-27 Tuning fork-type quartz crystal vibrator and method of forming the same
GB54107/77A GB1594980A (en) 1976-12-29 1977-12-29 Tuning fork-type quartz crystal vibrator and method of forming the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16005576A JPS5386190A (en) 1976-12-29 1976-12-29 Electrode structure of tuning fork type crystal vibrator and its formationmethod

Publications (2)

Publication Number Publication Date
JPS5386190A JPS5386190A (en) 1978-07-29
JPS624888B2 true JPS624888B2 (en]) 1987-02-02

Family

ID=15706921

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16005576A Granted JPS5386190A (en) 1976-12-29 1976-12-29 Electrode structure of tuning fork type crystal vibrator and its formationmethod

Country Status (1)

Country Link
JP (1) JPS5386190A (en])

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01318543A (ja) * 1988-06-17 1989-12-25 Sony Tektronix Corp 直流・直流変換型電源回路
WO2005008888A1 (ja) * 2003-07-22 2005-01-27 Daishinku Corporation 音叉型振動片、音叉型振動子、および音叉型振動片の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843287A (en]) * 1971-10-01 1973-06-22
JPS50120977A (en]) * 1974-03-12 1975-09-22
JPS50128489A (en]) * 1974-03-28 1975-10-09
JPS51111095A (en) * 1975-03-26 1976-10-01 Seiko Instr & Electronics Ltd Piezo-electrical vibrator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01318543A (ja) * 1988-06-17 1989-12-25 Sony Tektronix Corp 直流・直流変換型電源回路
WO2005008888A1 (ja) * 2003-07-22 2005-01-27 Daishinku Corporation 音叉型振動片、音叉型振動子、および音叉型振動片の製造方法

Also Published As

Publication number Publication date
JPS5386190A (en) 1978-07-29

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