JPS5821999A - 圧電型発音体の製造法 - Google Patents

圧電型発音体の製造法

Info

Publication number
JPS5821999A
JPS5821999A JP12110181A JP12110181A JPS5821999A JP S5821999 A JPS5821999 A JP S5821999A JP 12110181 A JP12110181 A JP 12110181A JP 12110181 A JP12110181 A JP 12110181A JP S5821999 A JPS5821999 A JP S5821999A
Authority
JP
Japan
Prior art keywords
copper
piezoelectric
piezoelectric element
substrate
etching
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
JP12110181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6126879B2 (zh
Inventor
Masaaki Terada
寺田　真明
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP12110181A priority Critical patent/JPS5821999A/ja
Publication of JPS5821999A publication Critical patent/JPS5821999A/ja
Publication of JPS6126879B2 publication Critical patent/JPS6126879B2/ja
Granted 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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
JP12110181A 1981-08-01 1981-08-01 圧電型発音体の製造法 Granted JPS5821999A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12110181A JPS5821999A (ja) 1981-08-01 1981-08-01 圧電型発音体の製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12110181A JPS5821999A (ja) 1981-08-01 1981-08-01 圧電型発音体の製造法

Publications (2)

Publication Number Publication Date
JPS5821999A true JPS5821999A (ja) 1983-02-09
JPS6126879B2 JPS6126879B2 (zh) 1986-06-23

Family

ID=14802895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12110181A Granted JPS5821999A (ja) 1981-08-01 1981-08-01 圧電型発音体の製造法

Country Status (1)

Country Link
JP (1) JPS5821999A (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154798A (ja) * 1984-08-27 1986-03-19 Trio Kenwood Corp スピ−カ用振動板
JPS6184995A (ja) * 1984-10-02 1986-04-30 Onkyo Corp 電気音響変換器用振動板とその製造方法
JPS61251298A (ja) * 1985-04-26 1986-11-08 Pioneer Electronic Corp スピ−カ用振動板

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008010227A2 (en) 2006-07-19 2008-01-24 Spectrum Dynamics Llc Imaging protocols
US8894974B2 (en) 2006-05-11 2014-11-25 Spectrum Dynamics Llc Radiopharmaceuticals for diagnosis and therapy

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4941858U (zh) * 1972-07-13 1974-04-12
JPS50122926A (zh) * 1974-03-12 1975-09-26
JPS50133874A (zh) * 1974-04-09 1975-10-23
JPS54103217U (zh) * 1977-12-28 1979-07-20
JPS5574198U (zh) * 1978-11-15 1980-05-22
JPS55100397U (zh) * 1978-12-29 1980-07-12

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4941858U (zh) * 1972-07-13 1974-04-12
JPS50122926A (zh) * 1974-03-12 1975-09-26
JPS50133874A (zh) * 1974-04-09 1975-10-23
JPS54103217U (zh) * 1977-12-28 1979-07-20
JPS5574198U (zh) * 1978-11-15 1980-05-22
JPS55100397U (zh) * 1978-12-29 1980-07-12

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6154798A (ja) * 1984-08-27 1986-03-19 Trio Kenwood Corp スピ−カ用振動板
JPS6184995A (ja) * 1984-10-02 1986-04-30 Onkyo Corp 電気音響変換器用振動板とその製造方法
JPS61251298A (ja) * 1985-04-26 1986-11-08 Pioneer Electronic Corp スピ−カ用振動板

Also Published As

Publication number Publication date
JPS6126879B2 (zh) 1986-06-23

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