TH166389A - Glass for magnetic recording media base plate And magnetic recording media base plate - Google Patents
Glass for magnetic recording media base plate And magnetic recording media base plateInfo
- Publication number
- TH166389A TH166389A TH1601001389A TH1601001389A TH166389A TH 166389 A TH166389 A TH 166389A TH 1601001389 A TH1601001389 A TH 1601001389A TH 1601001389 A TH1601001389 A TH 1601001389A TH 166389 A TH166389 A TH 166389A
- Authority
- TH
- Thailand
- Prior art keywords
- base plate
- magnetic recording
- recording media
- media base
- glass
- Prior art date
Links
- 239000011521 glass Substances 0.000 title claims abstract 4
- FUJCRWPEOMXPAD-UHFFFAOYSA-N Lithium oxide Chemical compound [Li+].[Li+].[O-2] FUJCRWPEOMXPAD-UHFFFAOYSA-N 0.000 claims abstract 12
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract 10
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract 5
- NTGONJLAOZZDJO-UHFFFAOYSA-M disodium;hydroxide Chemical compound [OH-].[Na+].[Na+] NTGONJLAOZZDJO-UHFFFAOYSA-M 0.000 claims abstract 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract 4
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 claims abstract 3
- 229910052681 coesite Inorganic materials 0.000 claims abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 claims abstract 2
- 229910052904 quartz Inorganic materials 0.000 claims abstract 2
- 239000000377 silicon dioxide Substances 0.000 claims abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract 2
- 229910052682 stishovite Inorganic materials 0.000 claims abstract 2
- 229910052905 tridymite Inorganic materials 0.000 claims abstract 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims 1
- 239000002585 base Substances 0.000 claims 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium monoxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 4
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 abstract 2
- 229910044991 metal oxide Inorganic materials 0.000 abstract 2
- 150000004706 metal oxides Chemical class 0.000 abstract 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Inorganic materials [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 abstract 2
- 239000002131 composite material Substances 0.000 abstract 1
Abstract
ลักษณะหนึ่งของการประดิษฐ์นี้เกี่ยวข้องกับแก้วสำหรับแผ่นฐานสื่อบันทึกแม่เหล็กที่ ประกอบด้วย SiO2, Li2O, Na2O และ MgO ในฐานะส่วนประกอบจำเป็น และประกอบด้วย ออกไซด์โลหะแอคลาไลที่ถูกเลือกจากกลุ่มที่ประกอบขึ้นจาก Li2O, Na2O และ K2O ด้วยยอดรวม 6-15mol% และประกอบด้วยออกไซด์โลหะแอลคาไลน์เอร์ทที่ถูกเลือกจากกลุ่มประกอบขึ้นจาก MgO, CaO, SrO และ BaO ด้วยยอดรวม 10-30mol% และ Li2O/(Li2O+Na2O+K2O) มากกว่า 0 และไม่เกิน 0.3 และ MgO/(MgO+CaO+SrO+BaO) เป็น 0.80 ขึ้นไป และอุณหภูมิกล๊าสทรานสิ ซันเป็น 650 ํ C ขึ้นไป และมอดูลัสของยังเป็น 80GPa ขึ้นไป One aspect of this invention relates to glass for magnetic media baseboards containing SiO2, Li2O, Na2O and MgO as essential components. And contains Selected alkaline metal oxides from the group made up of Li2O, Na2O and K2O with a total of 6-15mol% and composed of selected alkaline metal oxides from the MgO, CaO, SrO composite group. And BaO with a total of 10-30mol% and Li2O / (Li2O + Na2O + K2O) greater than 0 and not more than 0.3 and MgO / (MgO + CaO + SrO + BaO) is 0.80 and above, and the glass transistance temperature It is 650 ํ C or more, and its modulus is also 80GPa or more.
Claims (1)
Publications (3)
| Publication Number | Publication Date |
|---|---|
| TH1601001389A TH1601001389A (en) | 2017-08-24 |
| TH166389B TH166389B (en) | 2017-08-24 |
| TH166389A true TH166389A (en) | 2017-08-24 |
Family
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