DE3542202A1 - Verfahren zur herstellung duennwandiger formteile aus keramik und durch das verfahren erhaltene membran fuer schallwandler - Google Patents

Verfahren zur herstellung duennwandiger formteile aus keramik und durch das verfahren erhaltene membran fuer schallwandler

Info

Publication number
DE3542202A1
DE3542202A1 DE19853542202 DE3542202A DE3542202A1 DE 3542202 A1 DE3542202 A1 DE 3542202A1 DE 19853542202 DE19853542202 DE 19853542202 DE 3542202 A DE3542202 A DE 3542202A DE 3542202 A1 DE3542202 A1 DE 3542202A1
Authority
DE
Germany
Prior art keywords
pure aluminum
molded part
anodic oxidation
membrane
aluminum oxide
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
DE19853542202
Other languages
German (de)
English (en)
Other versions
DE3542202C2 (https=
Inventor
Bernhard Thiel
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.)
Wein Klaus D Dipl-Betriebsw 6635 Schwalbach
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 DE19853546548 priority Critical patent/DE3546548A1/de
Priority to DE8533598U priority patent/DE8533598U1/de
Priority to DE19853542202 priority patent/DE3542202A1/de
Priority to EP86115379A priority patent/EP0224087A3/de
Priority to JP61280960A priority patent/JPS62153161A/ja
Publication of DE3542202A1 publication Critical patent/DE3542202A1/de
Application granted granted Critical
Publication of DE3542202C2 publication Critical patent/DE3542202C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/023—Diaphragms comprising ceramic-like materials, e.g. pure ceramic, glass, boride, nitride, carbide, mica and carbon materials
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/027—Diaphragms comprising metallic materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • ing And Chemical Polishing (AREA)
DE19853542202 1985-11-29 1985-11-29 Verfahren zur herstellung duennwandiger formteile aus keramik und durch das verfahren erhaltene membran fuer schallwandler Granted DE3542202A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE19853546548 DE3546548A1 (de) 1985-11-29 1985-11-29 Membran fuer schallwandler
DE8533598U DE8533598U1 (de) 1985-11-29 1985-11-29 Membran für elektro-akustische Wandler
DE19853542202 DE3542202A1 (de) 1985-11-29 1985-11-29 Verfahren zur herstellung duennwandiger formteile aus keramik und durch das verfahren erhaltene membran fuer schallwandler
EP86115379A EP0224087A3 (de) 1985-11-29 1986-11-06 Verfahren zur Herstellung dünnwandiger Formteile aus Keramik und durch das Verfahren erhaltene Membran für Schallwandler
JP61280960A JPS62153161A (ja) 1985-11-29 1986-11-27 セラミツクスからなる薄い成形品の製造方法および該方法によつて得られる音響変成器用薄膜

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853546548 DE3546548A1 (de) 1985-11-29 1985-11-29 Membran fuer schallwandler
DE19853542202 DE3542202A1 (de) 1985-11-29 1985-11-29 Verfahren zur herstellung duennwandiger formteile aus keramik und durch das verfahren erhaltene membran fuer schallwandler

Publications (2)

Publication Number Publication Date
DE3542202A1 true DE3542202A1 (de) 1987-06-04
DE3542202C2 DE3542202C2 (https=) 1988-12-15

Family

ID=25838313

Family Applications (3)

Application Number Title Priority Date Filing Date
DE19853542202 Granted DE3542202A1 (de) 1985-11-29 1985-11-29 Verfahren zur herstellung duennwandiger formteile aus keramik und durch das verfahren erhaltene membran fuer schallwandler
DE19853546548 Granted DE3546548A1 (de) 1985-11-29 1985-11-29 Membran fuer schallwandler
DE8533598U Expired DE8533598U1 (de) 1985-11-29 1985-11-29 Membran für elektro-akustische Wandler

Family Applications After (2)

Application Number Title Priority Date Filing Date
DE19853546548 Granted DE3546548A1 (de) 1985-11-29 1985-11-29 Membran fuer schallwandler
DE8533598U Expired DE8533598U1 (de) 1985-11-29 1985-11-29 Membran für elektro-akustische Wandler

Country Status (3)

Country Link
EP (1) EP0224087A3 (https=)
JP (1) JPS62153161A (https=)
DE (3) DE3542202A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989009186A1 (en) * 1988-03-25 1989-10-05 Sundstroem Erik W Flow divider

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4419251A1 (de) * 1994-06-01 1995-12-07 Nokia Deutschland Gmbh Lautsprecher
DE19504453C1 (de) * 1995-02-10 1996-01-25 Maxs Ag Verfahren zum Herstellen einer Membran für einen elektro-akustischen Wandler
JP2002068842A (ja) * 2000-08-23 2002-03-08 Mitsubishi Gas Chem Co Inc 窒化アルミニウム成形体の製造方法
PT1675099E (pt) * 2003-09-26 2008-04-03 Bocingo S L Corneta
DE102006005474A1 (de) * 2006-01-27 2007-08-02 Michael Loos Verfahren zur Herstellung dünnwandiger Lautsprechermembrane aus einem keramischen Material und durch das Verfahren erhaltene Membran für Lautsprecher bevorzugt im Tief- und Mitteltonbereich
DE102016220845B4 (de) 2016-10-24 2022-12-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Umformung von keramischen und/oder pulvermetallurgischen Grünfolien

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2659714A1 (de) * 1976-01-01 1977-07-14 Riken Keikinzoku Kogyo Kk Aluminiumoxid und verfahren zu seiner herstellung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1095622B (de) * 1955-12-02 1960-12-22 Vaw Ver Aluminium Werke Ag Verfahren zur Vorbehandlung von Werkstuecken aus Aluminium oder Aluminiumlegierungenzur Herstellung hochglaenzender, anodisch oxydierter Oberflaechen
GB1460622A (en) * 1974-05-07 1977-01-06 Rikagaku Kenkyusho Production of moisture sensitive elements
DE2742637A1 (de) * 1977-09-22 1979-04-05 Oberflaechenveredelung Uhl Gmb Verfahren zur oberflaechenbehandlung von aluminium-bauteilen
JPS5916814A (ja) * 1982-07-16 1984-01-28 Lion Corp 口腔用組成物
JPS59218096A (ja) * 1983-05-26 1984-12-08 Mitsubishi Electric Corp スピ−カ用振動板の製造方法
JPS60159195A (ja) * 1984-01-30 1985-08-20 Pentel Kk 酸化アルミニウム薄膜体
JPS60235609A (ja) * 1984-05-08 1985-11-22 Nippon Koki Kk イオン選択膜の製造方法
JPS61266343A (ja) * 1985-05-20 1986-11-26 三菱レイヨン株式会社 セラミツクス焼結体の製造方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2659714A1 (de) * 1976-01-01 1977-07-14 Riken Keikinzoku Kogyo Kk Aluminiumoxid und verfahren zu seiner herstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1989009186A1 (en) * 1988-03-25 1989-10-05 Sundstroem Erik W Flow divider

Also Published As

Publication number Publication date
DE8533598U1 (de) 1987-04-02
DE3546548A1 (de) 1987-08-13
EP0224087A2 (de) 1987-06-03
DE3546548C2 (https=) 1988-07-07
EP0224087A3 (de) 1989-05-31
DE3542202C2 (https=) 1988-12-15
JPS62153161A (ja) 1987-07-08

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Owner name: WEIN, KLAUS D., DIPL.-BETRIEBSW., 6635 SCHWALBACH,

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