PT914488E - Substratos de discos magneticos formados de compositos em matriz de metal e ceramica com ou sem revestimento de metal - Google Patents
Substratos de discos magneticos formados de compositos em matriz de metal e ceramica com ou sem revestimento de metalInfo
- Publication number
- PT914488E PT914488E PT97928764T PT97928764T PT914488E PT 914488 E PT914488 E PT 914488E PT 97928764 T PT97928764 T PT 97928764T PT 97928764 T PT97928764 T PT 97928764T PT 914488 E PT914488 E PT 914488E
- Authority
- PT
- Portugal
- Prior art keywords
- metal
- substrates
- ceramic
- ceramic matrix
- matrix composites
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
-
- 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
-
- 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
- G11B5/73921—Glass or ceramic substrates
-
- 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
- G11B5/74—Record carriers characterised by the form, e.g. sheet shaped to wrap around a drum
- G11B5/82—Disk carriers
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C2204/00—End product comprising different layers, coatings or parts of cermet
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Magnetic Record Carriers (AREA)
- Chemically Coating (AREA)
- Soft Magnetic Materials (AREA)
- Laminated Bodies (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/674,140 US5712014A (en) | 1996-07-01 | 1996-07-01 | Metal matrix compositions for substrates used to make magnetic disks for hard disk drives |
US08/791,831 US5895696A (en) | 1996-07-01 | 1997-01-30 | Metal-clad ceramic-metal matrix composites for magnetic disk substrates for hard disk drives |
US08/795,384 US5948495A (en) | 1996-07-01 | 1997-02-04 | Ceramic-metal matrix composites for magnetic disk substrates for hard disk drives |
Publications (1)
Publication Number | Publication Date |
---|---|
PT914488E true PT914488E (pt) | 2005-02-28 |
Family
ID=27418279
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT97928764T PT914488E (pt) | 1996-07-01 | 1997-05-21 | Substratos de discos magneticos formados de compositos em matriz de metal e ceramica com ou sem revestimento de metal |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0914488B1 (pt) |
JP (1) | JP2000514501A (pt) |
AT (1) | ATE286297T1 (pt) |
CA (1) | CA2259483A1 (pt) |
DE (1) | DE69732112T2 (pt) |
ES (1) | ES2235237T3 (pt) |
HK (1) | HK1020075A1 (pt) |
PT (1) | PT914488E (pt) |
WO (1) | WO1998000572A1 (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100449616C (zh) | 1999-02-12 | 2009-01-07 | 通用电气公司 | 数据存储介质及其形成方法、压印衬底及检索数据的方法 |
FR2882948B1 (fr) | 2005-03-14 | 2007-05-04 | Forges De Bologne Soc Par Acti | Procede ameliore de preparation de composites a matrice metallique et dispositif de mise en oeuvre d'un tel procede |
WO2018118095A1 (en) * | 2016-12-23 | 2018-06-28 | Intel Corporation | Multiferroic recording media and readout sensor |
WO2018118093A1 (en) * | 2016-12-23 | 2018-06-28 | Intel Corporation | Quaternary and six state magnetic media and read heads |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4623388A (en) * | 1983-06-24 | 1986-11-18 | Inco Alloys International, Inc. | Process for producing composite material |
US4605440A (en) * | 1985-05-06 | 1986-08-12 | The United States Of America As Represented By The United States Department Of Energy | Boron-carbide-aluminum and boron-carbide-reactive metal cermets |
DE3873016T2 (de) * | 1987-10-23 | 1993-03-11 | Mitsubishi Rayon Co | Optisch aktive, delta-valerolacton-ring enthaltende verbindung und dieselbe enthaltende fluessigkristalline zusammensetzung. |
US5486223A (en) * | 1994-01-19 | 1996-01-23 | Alyn Corporation | Metal matrix compositions and method of manufacture thereof |
US5480695A (en) * | 1994-08-10 | 1996-01-02 | Tenhover; Michael A. | Ceramic substrates and magnetic data storage components prepared therefrom |
US5780164A (en) * | 1994-12-12 | 1998-07-14 | The Dow Chemical Company | Computer disk substrate, the process for making same, and the material made therefrom |
-
1997
- 1997-05-21 WO PCT/US1997/009399 patent/WO1998000572A1/en active IP Right Grant
- 1997-05-21 AT AT97928764T patent/ATE286297T1/de not_active IP Right Cessation
- 1997-05-21 EP EP97928764A patent/EP0914488B1/en not_active Expired - Lifetime
- 1997-05-21 DE DE69732112T patent/DE69732112T2/de not_active Expired - Fee Related
- 1997-05-21 JP JP10504124A patent/JP2000514501A/ja active Pending
- 1997-05-21 PT PT97928764T patent/PT914488E/pt unknown
- 1997-05-21 CA CA002259483A patent/CA2259483A1/en not_active Abandoned
- 1997-05-21 ES ES97928764T patent/ES2235237T3/es not_active Expired - Lifetime
-
1999
- 1999-11-11 HK HK99105198A patent/HK1020075A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
HK1020075A1 (en) | 2000-03-10 |
CA2259483A1 (en) | 1998-01-08 |
DE69732112D1 (de) | 2005-02-03 |
EP0914488B1 (en) | 2004-12-29 |
DE69732112T2 (de) | 2005-12-08 |
JP2000514501A (ja) | 2000-10-31 |
ES2235237T3 (es) | 2005-07-01 |
WO1998000572A1 (en) | 1998-01-08 |
ATE286297T1 (de) | 2005-01-15 |
EP0914488A4 (en) | 2000-10-04 |
EP0914488A1 (en) | 1999-05-12 |
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