JPS55115793A - Acoustic diaphragm and its manufacture - Google Patents

Acoustic diaphragm and its manufacture

Info

Publication number
JPS55115793A
JPS55115793A JP2181579A JP2181579A JPS55115793A JP S55115793 A JPS55115793 A JP S55115793A JP 2181579 A JP2181579 A JP 2181579A JP 2181579 A JP2181579 A JP 2181579A JP S55115793 A JPS55115793 A JP S55115793A
Authority
JP
Japan
Prior art keywords
roll
diaphragm
thin plate
vessel
molten
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
JP2181579A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6236439B2 (enrdf_load_stackoverflow
Inventor
Nobuhiro Tsukagoshi
Toru Namiki
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP2181579A priority Critical patent/JPS55115793A/ja
Publication of JPS55115793A publication Critical patent/JPS55115793A/ja
Publication of JPS6236439B2 publication Critical patent/JPS6236439B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Continuous Casting (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
JP2181579A 1979-02-28 1979-02-28 Acoustic diaphragm and its manufacture Granted JPS55115793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2181579A JPS55115793A (en) 1979-02-28 1979-02-28 Acoustic diaphragm and its manufacture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2181579A JPS55115793A (en) 1979-02-28 1979-02-28 Acoustic diaphragm and its manufacture

Publications (2)

Publication Number Publication Date
JPS55115793A true JPS55115793A (en) 1980-09-05
JPS6236439B2 JPS6236439B2 (enrdf_load_stackoverflow) 1987-08-06

Family

ID=12065550

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2181579A Granted JPS55115793A (en) 1979-02-28 1979-02-28 Acoustic diaphragm and its manufacture

Country Status (1)

Country Link
JP (1) JPS55115793A (enrdf_load_stackoverflow)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58215245A (ja) * 1982-06-08 1983-12-14 Pioneer Electronic Corp ベリリウム合金薄板の製造方法
JPS58215244A (ja) * 1982-06-08 1983-12-14 Pioneer Electronic Corp 金属薄板の製造方法
JPS5916657A (ja) * 1982-07-20 1984-01-27 Pioneer Electronic Corp コイルの製造方法
JPS59220260A (ja) * 1983-05-31 1984-12-11 Pioneer Electronic Corp ベリリウム線材
JPS60213340A (ja) * 1984-04-05 1985-10-25 Onkyo Corp Mg基合金振動板の製造方法
JPWO2002083341A1 (ja) * 2001-04-09 2004-08-05 住友電気工業株式会社 マグネシウム合金材およびその製造方法
JP2008114291A (ja) * 2001-04-09 2008-05-22 Sumitomo Electric Ind Ltd マグネシウム合金材およびその製造方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58215245A (ja) * 1982-06-08 1983-12-14 Pioneer Electronic Corp ベリリウム合金薄板の製造方法
JPS58215244A (ja) * 1982-06-08 1983-12-14 Pioneer Electronic Corp 金属薄板の製造方法
JPS5916657A (ja) * 1982-07-20 1984-01-27 Pioneer Electronic Corp コイルの製造方法
JPS59220260A (ja) * 1983-05-31 1984-12-11 Pioneer Electronic Corp ベリリウム線材
JPS60213340A (ja) * 1984-04-05 1985-10-25 Onkyo Corp Mg基合金振動板の製造方法
JPWO2002083341A1 (ja) * 2001-04-09 2004-08-05 住友電気工業株式会社 マグネシウム合金材およびその製造方法
JP2008114291A (ja) * 2001-04-09 2008-05-22 Sumitomo Electric Ind Ltd マグネシウム合金材およびその製造方法
US7779891B2 (en) 2001-04-09 2010-08-24 Sumitomo Electric Industries, Ltd. Method of manufacturing magnesium alloy material

Also Published As

Publication number Publication date
JPS6236439B2 (enrdf_load_stackoverflow) 1987-08-06

Similar Documents

Publication Publication Date Title
GB1307941A (en) Method and an apparatus for manufacturing fine powders of metal or alloy
JPS55115793A (en) Acoustic diaphragm and its manufacture
JPS5314609A (en) Production of nondirectional electromagnetic steel sheet free from ridging
JPS5726110A (en) Method and device for producing metallic or alloy powder
JPS5775205A (en) Manufacture of al-alloy sheet for use of magnetic disk substrate
JPS571539A (en) Casting method and mold
JPS5758966A (en) Centrifugal casting method by accelerating directional solidification
JPS57188635A (en) Manufacture of porous amorphous metallic tape
JPS5272318A (en) Preparation of nut of high tensile strength
JPS5360310A (en) Continuous annealing method for titanium and titanium alloy
Kumar et al. P/M Plates of Hard-to-Work Materials
JPS51147405A (en) A process and apparatus for production of low hydrogen content casting ingot in electro-slag remelting process
JPS5399071A (en) Removing apparatus of exhaust gas
JPS5216500A (en) Method for production of carbide.
JPS57100922A (en) Preparation of plate glass
JPS5625951A (en) High permeability alloy sheet
SU1606449A1 (ru) Способ выделени атомов и ионов водорода
JPS55110755A (en) Method for continuous cast production of steel for seamless pipe
JPS5343004A (en) Water cooling type copper tube for coil of crucible shape induction furnace
JPS55110752A (en) Acoustic device material
JPS5438300A (en) Production of picrochromite
GB872243A (en) Improvements in or relating to method of producing superior quality ingot metal
JPS571546A (en) Production of quickly solidified material
Nakamura et al. Strong Ferromagnetism of F. C. C. Fe--Pt Invar Alloys
JPS5611137A (en) Combined mold for continuous casting of metal