GB1381987A - Electrolytic production of aluminium oxide films - Google Patents

Electrolytic production of aluminium oxide films

Info

Publication number
GB1381987A
GB1381987A GB2975072A GB2975072A GB1381987A GB 1381987 A GB1381987 A GB 1381987A GB 2975072 A GB2975072 A GB 2975072A GB 2975072 A GB2975072 A GB 2975072A GB 1381987 A GB1381987 A GB 1381987A
Authority
GB
United Kingdom
Prior art keywords
foil
hydrous
oxide
aluminium oxide
aluminium
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
GB2975072A
Other languages
English (en)
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.)
Sprague Electric Co
Original Assignee
Sprague Electric Co
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 Sprague Electric Co filed Critical Sprague Electric Co
Publication of GB1381987A publication Critical patent/GB1381987A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/69—Inorganic materials
    • H10P14/692—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
    • H10P14/6938—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides
    • H10P14/6939—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides characterised by the metal
    • H10P14/69391—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses the material containing at least one metal element, e.g. metal oxides, metal oxynitrides or metal oxycarbides characterised by the metal the material containing aluminium, e.g. Al2O3
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/12—Anodising more than once, e.g. in different baths
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
    • C25D11/02—Anodisation
    • C25D11/04—Anodisation of aluminium or alloys based thereon
    • C25D11/16—Pretreatment, e.g. desmutting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
    • H01G9/0029—Processes of manufacture
    • H01G9/0032—Processes of manufacture formation of the dielectric layer
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
    • H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
    • H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
    • H10P14/6302—Non-deposition formation processes
    • H10P14/6324—Formation by anodic treatments, e.g. anodic oxidation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S205/00—Electrolysis: processes, compositions used therein, and methods of preparing the compositions
    • Y10S205/917—Treatment of workpiece between coating steps

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
  • Photoreceptors In Electrophotography (AREA)
GB2975072A 1971-07-23 1972-06-26 Electrolytic production of aluminium oxide films Expired GB1381987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16558071A 1971-07-23 1971-07-23

Publications (1)

Publication Number Publication Date
GB1381987A true GB1381987A (en) 1975-01-29

Family

ID=22599512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2975072A Expired GB1381987A (en) 1971-07-23 1972-06-26 Electrolytic production of aluminium oxide films

Country Status (5)

Country Link
US (1) US3733291A (enExample)
JP (1) JPS5144740B1 (enExample)
CA (1) CA967505A (enExample)
FR (1) FR2147123B1 (enExample)
GB (1) GB1381987A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105021303A (zh) * 2015-07-15 2015-11-04 哈尔滨工程大学 一种铝基敏感材料的温度传感器制造方法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5240763A (en) * 1975-09-27 1977-03-29 Fujitsu Ltd Method of manufacturing solid state electrolytic capacitor
US4125674A (en) * 1976-03-17 1978-11-14 Toyo Aluminium Kabushiki Kaisha Aluminum foil for an electrode of an electrolytic capacitor
US4113579A (en) * 1977-04-28 1978-09-12 Sprague Electric Company Process for producing an aluminum electrolytic capacitor having a stable oxide film
US4437946A (en) * 1983-08-31 1984-03-20 Sprague Electric Company Stabilization of aluminum electrolytic capacitor foil
US4580194A (en) * 1984-10-19 1986-04-01 Sprague Electric Company Aluminum electrolytic capacitor
US7125610B2 (en) 2003-03-17 2006-10-24 Kemet Electronics Corporation Capacitor containing aluminum anode foil anodized in low water content glycerine-phosphate electrolyte without a pre-anodizing hydration step
CN103388167A (zh) * 2013-08-18 2013-11-13 中航沈飞民用飞机有限责任公司 一种铝合金表面防护处理方法
JP6990974B2 (ja) * 2017-02-09 2022-01-12 日本軽金属株式会社 アルミニウム電解コンデンサ用電極の製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105021303A (zh) * 2015-07-15 2015-11-04 哈尔滨工程大学 一种铝基敏感材料的温度传感器制造方法
CN105021303B (zh) * 2015-07-15 2018-04-17 哈尔滨工程大学 一种铝基敏感材料的温度传感器制造方法

Also Published As

Publication number Publication date
DE2235112B2 (de) 1976-04-22
US3733291A (en) 1973-05-15
FR2147123B1 (enExample) 1977-08-26
DE2235112A1 (de) 1973-02-08
FR2147123A1 (enExample) 1973-03-09
CA967505A (en) 1975-05-13
JPS5144740B1 (enExample) 1976-11-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee