JPH0325295B2 - - Google Patents

Info

Publication number
JPH0325295B2
JPH0325295B2 JP3205280A JP3205280A JPH0325295B2 JP H0325295 B2 JPH0325295 B2 JP H0325295B2 JP 3205280 A JP3205280 A JP 3205280A JP 3205280 A JP3205280 A JP 3205280A JP H0325295 B2 JPH0325295 B2 JP H0325295B2
Authority
JP
Japan
Prior art keywords
core
machinable
piece
spherical
spherical surface
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
JP3205280A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56128006A (en
Inventor
Yoshiaki Nagaura
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to JP3205280A priority Critical patent/JPS56128006A/ja
Priority to US06/170,450 priority patent/US4409760A/en
Priority to EP80302514A priority patent/EP0023800B1/de
Priority to DE8080302514T priority patent/DE3066173D1/de
Priority to CA000357518A priority patent/CA1144374A/en
Publication of JPS56128006A publication Critical patent/JPS56128006A/ja
Priority to US06/379,320 priority patent/US4468890A/en
Publication of JPH0325295B2 publication Critical patent/JPH0325295B2/ja
Granted 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
    • H03H3/02—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 piezoelectric or electrostrictive resonators or networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
JP3205280A 1979-08-02 1980-03-11 Preparation for quartz oscillation element Granted JPS56128006A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP3205280A JPS56128006A (en) 1980-03-11 1980-03-11 Preparation for quartz oscillation element
US06/170,450 US4409760A (en) 1979-08-02 1980-07-21 Method for the manufacture of lens-like articles and the like
EP80302514A EP0023800B1 (de) 1979-08-02 1980-07-24 Herstellung eines Gegenstandes mit entgegengesetzt gebogenen Oberflächen
DE8080302514T DE3066173D1 (en) 1979-08-02 1980-07-24 Manufacturing an article having opposed curved surfaces
CA000357518A CA1144374A (en) 1979-08-02 1980-08-01 Method and apparatus for the manufacture of lens-like articles and the like
US06/379,320 US4468890A (en) 1979-08-02 1982-05-18 Apparatus for the manufacture of lens-like articles and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3205280A JPS56128006A (en) 1980-03-11 1980-03-11 Preparation for quartz oscillation element

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP8983281A Division JPS5727650A (en) 1981-06-10 1981-06-10 Lens or lens-like material

Publications (2)

Publication Number Publication Date
JPS56128006A JPS56128006A (en) 1981-10-07
JPH0325295B2 true JPH0325295B2 (de) 1991-04-05

Family

ID=12348086

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3205280A Granted JPS56128006A (en) 1979-08-02 1980-03-11 Preparation for quartz oscillation element

Country Status (1)

Country Link
JP (1) JPS56128006A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63216662A (ja) * 1987-03-02 1988-09-08 Nippei Toyama Corp 研削方法

Also Published As

Publication number Publication date
JPS56128006A (en) 1981-10-07

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