GB8405910D0 - Aluminium substrate for magnetic recording media - Google Patents

Aluminium substrate for magnetic recording media

Info

Publication number: GB8405910D0
Authority: GB; United Kingdom
Prior art keywords: magnetic recording; recording media; aluminium substrate; aluminium; substrate
Prior art date: 1983-03-18
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

GB848405910A

Other versions

GB2136448A (en

GB2136448B (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.)

Nippon Light Metal Co Ltd

Original Assignee

Nippon Light Metal Co Ltd

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.)

1983-03-18

Filing date

1984-03-07

Publication date

1984-04-11

1984-03-07 Application filed by Nippon Light Metal Co Ltd filed Critical Nippon Light Metal Co Ltd

1984-04-11 Publication of GB8405910D0 publication Critical patent/GB8405910D0/en

1984-09-19 Publication of GB2136448A publication Critical patent/GB2136448A/en

1986-09-17 Application granted granted Critical

1986-09-17 Publication of GB2136448B publication Critical patent/GB2136448B/en

Status Expired legal-status Critical Current

Links

Classifications

- 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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73911—Inorganic substrates
- G11B5/73917—Metallic substrates, i.e. elemental metal or metal alloy substrates
- G11B5/73919—Aluminium or titanium elemental or alloy substrates

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Metallurgy (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Manufacturing Of Magnetic Record Carriers (AREA)
Magnetic Record Carriers (AREA)

GB08405910A 1983-03-18 1984-03-07 Anodising aluminium substrate for magnetic recording media Expired GB2136448B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP58044364A JPS59171023A (en)	1983-03-18	1983-03-18	Manufacture of alumite board for high density magnetic recording material

Publications (3)

Publication Number	Publication Date
GB8405910D0 true GB8405910D0 (en)	1984-04-11
GB2136448A GB2136448A (en)	1984-09-19
GB2136448B GB2136448B (en)	1986-09-17

Family

ID=12689451

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB08405910A Expired GB2136448B (en)	1983-03-18	1984-03-07	Anodising aluminium substrate for magnetic recording media

Country Status (8)

Country	Link
JP (1)	JPS59171023A (en)
KR (1)	KR840007910A (en)
CA (1)	CA1237694A (en)
DE (1)	DE3408753C2 (en)
FR (1)	FR2542901B1 (en)
GB (1)	GB2136448B (en)
IT (1)	IT1206136B (en)
NL (1)	NL8400849A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS62149029A (en) *	1985-09-04	1987-07-03	Furukawa Alum Co Ltd	Alumite magnetic disk substrate and its production
GB0208642D0 (en)	2002-04-16	2002-05-22	Accentus Plc	Metal implants
GB0405680D0 (en)	2004-03-13	2004-04-21	Accentus Plc	Metal implants
AU2008306596B2 (en)	2007-10-03	2013-04-04	Accentus Plc	Method of manufacturing metal with biocidal properties

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH287575A (en) *	1951-01-27	1952-12-15	S A Vernal	Process of electrolytic oxidation of aluminum and its alloys.
NL6609803A (en) *	1966-07-13	1968-01-15
NL6612707A (en) *	1966-09-09	1968-03-11
US4109287A (en) *	1972-04-14	1978-08-22	Pilot Man-Nun-Hitsu Kabushiki Kaisha	Process for recording information or sound and process for preparation of recording materials used therefor
GB1464857A (en) *	1974-05-08	1977-02-16	Nat Res Dev	Chromic acid anodising of aluminium and its alloys

1983
- 1983-03-18 JP JP58044364A patent/JPS59171023A/en active Granted
1984
- 1984-03-07 GB GB08405910A patent/GB2136448B/en not_active Expired
- 1984-03-09 DE DE3408753A patent/DE3408753C2/en not_active Expired
- 1984-03-12 FR FR8403879A patent/FR2542901B1/en not_active Expired
- 1984-03-15 KR KR1019840001318A patent/KR840007910A/en not_active Application Discontinuation
- 1984-03-15 CA CA000449707A patent/CA1237694A/en not_active Expired
- 1984-03-16 IT IT8420101A patent/IT1206136B/en active
- 1984-03-16 NL NL8400849A patent/NL8400849A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
JPH0346890B2 (en)	1991-07-17
DE3408753C2 (en)	1986-04-17
GB2136448A (en)	1984-09-19
KR840007910A (en)	1984-12-11
NL8400849A (en)	1984-10-16
IT8420101A0 (en)	1984-03-16
FR2542901A1 (en)	1984-09-21
CA1237694A (en)	1988-06-07
IT1206136B (en)	1989-04-14
DE3408753A1 (en)	1984-09-20
JPS59171023A (en)	1984-09-27
FR2542901B1 (en)	1987-11-13
GB2136448B (en)	1986-09-17

Legal Events

Date	Code	Title	Description
1990-11-07	PCNP	Patent ceased through non-payment of renewal fee

Publication	Publication Date	Title
DE3476596D1 (en)	1989-03-09	Thin film magnetic recording media
GB2101911B (en)	1984-08-01	Magnetic recording media
DE3479066D1 (en)	1989-08-24	Magnetic recording medium
GB2137532B (en)	1986-04-16	Magnetic recording medium
GB2142043B (en)	1986-12-10	Magnetic recording media
DE3377755D1 (en)	1988-09-22	Magnetic recording media
DE3479615D1 (en)	1989-10-05	Magnetic recording medium
DE3480239D1 (en)	1989-11-23	Magnetic recording media
DE3277147D1 (en)	1987-10-08	Magnetic recording media
EP0137949A3 (en)	1987-08-26	Magnetic recording medium
DE3379613D1 (en)	1989-05-18	Magnetic head for perpendicular recording media
EP0146861A3 (en)	1985-09-04	Thin layer magnetic head for perpendicular (vertical) recording
GB2096647B (en)	1985-07-17	Magnetic recording media
GB2114990B (en)	1985-10-16	Magnetic coating for recording media
DE3464977D1 (en)	1987-08-27	Magnetic recording medium
DE3468570D1 (en)	1988-02-11	Magnetic recording medium
DE3468569D1 (en)	1988-02-11	Magnetic recording medium
DE3472321D1 (en)	1988-07-28	Magnetic recording medium
GB8516110D0 (en)	1985-07-31	Magnetic recording media
GB2127437B (en)	1985-09-04	Magnetic recording media
DE3476711D1 (en)	1989-03-16	Magnetic recording medium
EP0125150A3 (en)	1986-01-15	Magnetic recording medium
GB2145939B (en)	1986-11-26	Magnetic recording medium
GB2152081B (en)	1987-07-22	Recording medium for perpendicular magnetization
GB8326882D0 (en)	1983-11-09	Magnetic recording media