JPS59193541A - 磁気デイスク基板用Ａｌ合金 - Google Patents
磁気デイスク基板用Ａｌ合金Info
- Publication number
- JPS59193541A JPS59193541A JP58068054A JP6805483A JPS59193541A JP S59193541 A JPS59193541 A JP S59193541A JP 58068054 A JP58068054 A JP 58068054A JP 6805483 A JP6805483 A JP 6805483A JP S59193541 A JPS59193541 A JP S59193541A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- less
- magnetic disk
- substrate
- magnetic recording
- 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
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 14
- 229910000838 Al alloy Inorganic materials 0.000 title abstract 4
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 17
- 239000000956 alloy Substances 0.000 claims abstract description 17
- 239000012535 impurity Substances 0.000 claims abstract description 11
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 229910052802 copper Inorganic materials 0.000 claims abstract description 5
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 229910052759 nickel Inorganic materials 0.000 claims abstract 3
- -1 i'e Substances 0.000 claims 1
- 229910000765 intermetallic Inorganic materials 0.000 abstract description 14
- 239000000463 material Substances 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 238000001914 filtration Methods 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- 239000011159 matrix material Substances 0.000 abstract description 2
- 229910052725 zinc Inorganic materials 0.000 abstract 3
- 229910052719 titanium Inorganic materials 0.000 abstract 2
- 229910001020 Au alloy Inorganic materials 0.000 description 11
- 239000003353 gold alloy Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 238000005498 polishing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910000731 Ac alloy Inorganic materials 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 229910000846 In alloy Inorganic materials 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- 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
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Magnetic Record Carriers (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58068054A JPS59193541A (ja) | 1983-04-18 | 1983-04-18 | 磁気デイスク基板用Ａｌ合金 |
| US06/882,632 US4826737A (en) | 1983-04-15 | 1986-07-07 | Method of using aluminum alloy as substrate for magnetic discs with enhanced magnetic recording density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58068054A JPS59193541A (ja) | 1983-04-18 | 1983-04-18 | 磁気デイスク基板用Ａｌ合金 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59193541A true JPS59193541A (ja) | 1984-11-02 |
| JPH0310166B2 JPH0310166B2 (enrdf_load_stackoverflow) | 1991-02-13 |
Family
ID=13362676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58068054A Granted JPS59193541A (ja) | 1983-04-15 | 1983-04-18 | 磁気デイスク基板用Ａｌ合金 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59193541A (enrdf_load_stackoverflow) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56105846A (en) * | 1980-01-28 | 1981-08-22 | Kobe Steel Ltd | Production of al base alloy plate for magnetic disc |
| JPS5866789A (ja) * | 1981-10-16 | 1983-04-21 | Hitachi Ltd | 蓄熱装置 |
-
1983
- 1983-04-18 JP JP58068054A patent/JPS59193541A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56105846A (en) * | 1980-01-28 | 1981-08-22 | Kobe Steel Ltd | Production of al base alloy plate for magnetic disc |
| JPS5866789A (ja) * | 1981-10-16 | 1983-04-21 | Hitachi Ltd | 蓄熱装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0310166B2 (enrdf_load_stackoverflow) | 1991-02-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4431461A (en) | Method for producing Al-base alloy substrates for magnetic recording media | |
| JP6998305B2 (ja) | 磁気ディスク基板用アルミニウム合金板及びその製造方法、並びに磁気ディスク | |
| CN111187952A (zh) | 磁盘用铝合金板、磁盘用铝合金坯料及磁盘用铝合金基材 | |
| JP7132415B1 (ja) | 磁気ディスク用アルミニウム合金板、磁気ディスク用アルミニウム合金ブランクおよび磁気ディスク用アルミニウム合金サブストレート | |
| US4572750A (en) | Magnetic alloy for magnetic recording-reproducing head | |
| JPH0261538B2 (enrdf_load_stackoverflow) | ||
| US4826737A (en) | Method of using aluminum alloy as substrate for magnetic discs with enhanced magnetic recording density | |
| JPH0448859B2 (enrdf_load_stackoverflow) | ||
| JPS59193537A (ja) | 磁気デイスク基板用Ａｌ合金 | |
| JPS59193239A (ja) | 磁気デイスク基板用Ａｌ合金 | |
| JPH02205651A (ja) | 磁気ディスク基板用アルミニウム合金 | |
| JPS59193541A (ja) | 磁気デイスク基板用Ａｌ合金 | |
| JPH11315338A (ja) | ジンケート処理性に優れた磁気ディスク用アルミニウム合金 | |
| JPS59193539A (ja) | 磁気デイスク基板用Ａｌ合金 | |
| JPH09235640A (ja) | 磁気ディスク基板用アルミニウム合金板及びその製造方法 | |
| JPS59193538A (ja) | 磁気デイスク基板用Ａｌ合金 | |
| JPS627829A (ja) | 磁気デイスク基板用アルミニウム合金 | |
| JPH0310165B2 (enrdf_load_stackoverflow) | ||
| JPS5989748A (ja) | 磁気デイスク用アルミニウム基板 | |
| JP2017166017A (ja) | 磁気ディスク用アルミニウム合金基板 | |
| JPH07195150A (ja) | Ｈｄｄ用アルミニウム合金の鋳造方法 | |
| JPS63111153A (ja) | 垂直磁気デイスク用アルミニウム合金板及びその製造方法 | |
| US5601934A (en) | Memory disk sheet stock and method | |
| JPH09263870A (ja) | 磁気ディスク基板用アルミニウム合金および磁気ディスク基板 | |
| JPS6056415B2 (ja) | 磁気デイスク用Ａｌ合金板の製造方法 |