JPS55137795A - Diaphragm for electric-acoustic transducer - Google Patents

Diaphragm for electric-acoustic transducer

Info

Publication number
JPS55137795A
JPS55137795A JP4570379A JP4570379A JPS55137795A JP S55137795 A JPS55137795 A JP S55137795A JP 4570379 A JP4570379 A JP 4570379A JP 4570379 A JP4570379 A JP 4570379A JP S55137795 A JPS55137795 A JP S55137795A
Authority
JP
Japan
Prior art keywords
diaphragm
plating
cap
electrode
electric
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.)
Pending
Application number
JP4570379A
Other languages
Japanese (ja)
Inventor
Nobuhiro Fujiwara
Mamoru Osato
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP4570379A priority Critical patent/JPS55137795A/en
Publication of JPS55137795A publication Critical patent/JPS55137795A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

PURPOSE:To make it possible to form easily and accurately even the diaphragm of a complicated form, by forming the diaphragm by electroforming. CONSTITUTION:The first electrode 13 where the surface form is the form of cap 6 of a part of diaphragm 5 and the second electrode 14 which is the metal itself to be plated such as copper, nickel and aluminum are inserted into plating liquid, and plating is performed. After plating completion, the plating layer is exfoliated from electrode 13 to form a diaphragm, namely, cap 6. Thus, even the diaphragm of a complicated form can be formed easily and accurately by using electroforming. Besides cap 6, a balance drive diaphragm and a diaphragm for horn type loudspeaker can be formed also by the similar method.
JP4570379A 1979-04-13 1979-04-13 Diaphragm for electric-acoustic transducer Pending JPS55137795A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4570379A JPS55137795A (en) 1979-04-13 1979-04-13 Diaphragm for electric-acoustic transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4570379A JPS55137795A (en) 1979-04-13 1979-04-13 Diaphragm for electric-acoustic transducer

Publications (1)

Publication Number Publication Date
JPS55137795A true JPS55137795A (en) 1980-10-27

Family

ID=12726720

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4570379A Pending JPS55137795A (en) 1979-04-13 1979-04-13 Diaphragm for electric-acoustic transducer

Country Status (1)

Country Link
JP (1) JPS55137795A (en)

Similar Documents

Publication Publication Date Title
JPS55161091A (en) Electroplating of plastics which can be directly plated by nickelliron alloy strike
JPS56123390A (en) Lead dioxide coated electrode
JPS57185973A (en) Production of target for sputtering
JPS51138541A (en) Method of forming nickel alloy foil by electroforming
DE3278119D1 (en) Process of electroforming screen material, material as obtained and apparatus for executing said process
CA1027893A (en) Method of and electrolytic bath for the electrodeposition of semibright nickel and nickel-cobalt coatings upon a metal surface
JPS55137795A (en) Diaphragm for electric-acoustic transducer
JPS527666A (en) Method of manufacturing magnetron plates
JPS565979A (en) Manufacture of nozzle plate for liquid jetting
JPS5767192A (en) High-speed plating method
JPS54116686A (en) Preparation of waveguide
JPS5765098A (en) Vibration diaphragm for acoustic transducer and its manufacture
JPS522840A (en) Method of producing anode for plating
JPS56141139A (en) Electrode support insulator
JPS53138969A (en) Preparation of boiling heat conductive tube
PH14938A (en) Process for the production of nickel alloys
JPS533904A (en) Method of manufacturing nickel anode for electroplating
JPS5423036A (en) Manufacture of high tensile fine mesh
JPS52148539A (en) Electrolytic plating
JPS57124826A (en) Manufacture of mesh sheet for image pickup tube
JPS522810A (en) Process for production of alloy titanium
JPS51130644A (en) Method of forming metal electrode by electroplating
JPS563678A (en) Manufacture of dial plate of watch
JPS5253781A (en) Method of producing thin film by spattering
JPS535588A (en) Manufacture of piezoelectric oscillator