CN100508034C - 磁记录介质基底及其制造方法、磁记录介质以及磁记录装置 - Google Patents
磁记录介质基底及其制造方法、磁记录介质以及磁记录装置 Download PDFInfo
- Publication number
- CN100508034C CN100508034C CNB2005800205481A CN200580020548A CN100508034C CN 100508034 C CN100508034 C CN 100508034C CN B2005800205481 A CNB2005800205481 A CN B2005800205481A CN 200580020548 A CN200580020548 A CN 200580020548A CN 100508034 C CN100508034 C CN 100508034C
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- China
- Prior art keywords
- magnetic recording
- recording media
- substrate
- sodium
- potassium
- 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.)
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- 239000000758 substrate Substances 0.000 title claims abstract description 84
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000011521 glass Substances 0.000 claims abstract description 48
- 239000011734 sodium Substances 0.000 claims abstract description 21
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 17
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 17
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 14
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 13
- 239000011591 potassium Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 20
- 150000003839 salts Chemical class 0.000 claims description 9
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical group [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 claims description 8
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 6
- 235000010344 sodium nitrate Nutrition 0.000 claims description 4
- 239000004317 sodium nitrate Substances 0.000 claims description 4
- 235000010333 potassium nitrate Nutrition 0.000 claims description 3
- 239000004323 potassium nitrate Substances 0.000 claims description 3
- 241001397173 Kali <angiosperm> Species 0.000 claims description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 claims description 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N sodium oxide Chemical compound [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 2
- 229910001948 sodium oxide Inorganic materials 0.000 claims description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 22
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 19
- 230000002093 peripheral effect Effects 0.000 abstract description 7
- 230000001681 protective effect Effects 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 description 11
- NPYPAHLBTDXSSS-UHFFFAOYSA-N Potassium ion Chemical compound [K+] NPYPAHLBTDXSSS-UHFFFAOYSA-N 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- 229910001414 potassium ion Inorganic materials 0.000 description 8
- 238000004381 surface treatment Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 239000002241 glass-ceramic Substances 0.000 description 7
- 238000010828 elution Methods 0.000 description 6
- 229910001415 sodium ion Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000005341 toughened glass Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910000531 Co alloy Inorganic materials 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910001413 alkali metal ion Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000700 radioactive tracer Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
Description
Claims (6)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004188104 | 2004-06-25 | ||
JP188104/2004 | 2004-06-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1973322A CN1973322A (zh) | 2007-05-30 |
CN100508034C true CN100508034C (zh) | 2009-07-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2005800205481A Active CN100508034C (zh) | 2004-06-25 | 2005-06-20 | 磁记录介质基底及其制造方法、磁记录介质以及磁记录装置 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN100508034C (zh) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1153375A (zh) * | 1995-10-05 | 1997-07-02 | 日本碍子株式会社 | 磁盘用晶化玻璃基底的制造工艺 |
JP2001180969A (ja) * | 1999-12-28 | 2001-07-03 | Central Glass Co Ltd | リチウム含有高ヤング率ガラスおよびガラス物品 |
US20010014573A1 (en) * | 1998-08-31 | 2001-08-16 | Mitsui Mining & Smelting Co., Ltd. | Method for preparing glass substrates for magnetic recording mediums |
-
2005
- 2005-06-20 CN CNB2005800205481A patent/CN100508034C/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1153375A (zh) * | 1995-10-05 | 1997-07-02 | 日本碍子株式会社 | 磁盘用晶化玻璃基底的制造工艺 |
US20010014573A1 (en) * | 1998-08-31 | 2001-08-16 | Mitsui Mining & Smelting Co., Ltd. | Method for preparing glass substrates for magnetic recording mediums |
JP2001180969A (ja) * | 1999-12-28 | 2001-07-03 | Central Glass Co Ltd | リチウム含有高ヤング率ガラスおよびガラス物品 |
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Publication number | Publication date |
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CN1973322A (zh) | 2007-05-30 |
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Address after: Tokyo, Japan Patentee after: Lishennoco Co.,Ltd. Address before: Tokyo, Japan Patentee before: Showa electrical materials Co.,Ltd. |
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TR01 | Transfer of patent right |
Effective date of registration: 20230512 Address after: Tokyo, Japan Patentee after: Showa electrical materials Co.,Ltd. Address before: Tokyo, Japan Patentee before: SHOWA DENKO Kabushiki Kaisha |
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TR01 | Transfer of patent right |
Effective date of registration: 20241025 Address after: Chiba County, Japan Patentee after: Lishennuoke Hard Drive Co.,Ltd. Country or region after: Japan Address before: Tokyo, Japan Patentee before: Lishennoco Co.,Ltd. Country or region before: Japan |