JPS5637246A - Ferrite binding glass composition - Google Patents
Ferrite binding glass compositionInfo
- Publication number
- JPS5637246A JPS5637246A JP10913279A JP10913279A JPS5637246A JP S5637246 A JPS5637246 A JP S5637246A JP 10913279 A JP10913279 A JP 10913279A JP 10913279 A JP10913279 A JP 10913279A JP S5637246 A JPS5637246 A JP S5637246A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- sio
- body layer
- ferrite
- bao
- 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
- 239000011521 glass Substances 0.000 title abstract 7
- 239000000203 mixture Substances 0.000 title abstract 3
- 229910000859 α-Fe Inorganic materials 0.000 title abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 12
- 229910052681 coesite Inorganic materials 0.000 abstract 6
- 229910052906 cristobalite Inorganic materials 0.000 abstract 6
- 239000000377 silicon dioxide Substances 0.000 abstract 6
- 229910052682 stishovite Inorganic materials 0.000 abstract 6
- 229910052905 tridymite Inorganic materials 0.000 abstract 6
- 229910011255 B2O3 Inorganic materials 0.000 abstract 2
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 abstract 1
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 abstract 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/24—Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal; Glass solders
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
PURPOSE: To provide the titled composition contg. SiO2, B2O3, ZnO, BaO, Na2O, K2O, Al2O3, etc. in a specified wt. ratio and useful mainly for a video head using SiO2 as a nonmagentic body layer.
CONSTITUTION: Glass having a composition consisting of, by wt., 9W21% SiO2, 22.5W30.5% B2O3, 27W34% ZnO, 8.5W18% BaO, 8.5W12.5% Na2O+K2O and ≤4.5% Al2O3 is used as ferrite binding glass for a magnetic head having a glass reinforced part on the tape sliding surface and using SiO2 as a nonmagnetic body layer. This glass has a thermal expansion coefficient suitable for bindig Mn-Zn ferrite, high wear resistance, sufficient mechanical workability and high hardness. Since this glass can well be freed of bubbles at ≤770°C, glass-ferite interdispersion occurs hardly. In addition, this glass is slightly reactive with SiO2, so it gives high accuracy gap width when used for a head using SiO2 as a nonmagnetic body layer.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10913279A JPS6029654B2 (en) | 1979-08-29 | 1979-08-29 | Magnetic head manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10913279A JPS6029654B2 (en) | 1979-08-29 | 1979-08-29 | Magnetic head manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5637246A true JPS5637246A (en) | 1981-04-10 |
| JPS6029654B2 JPS6029654B2 (en) | 1985-07-11 |
Family
ID=14502380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10913279A Expired JPS6029654B2 (en) | 1979-08-29 | 1979-08-29 | Magnetic head manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6029654B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6011246A (en) * | 1983-06-22 | 1985-01-21 | バロ−ス・コ−ポレ−シヨン | Glass composition and gas charge display panel |
| WO1985001724A1 (en) * | 1983-10-20 | 1985-04-25 | Eastman Kodak Company | Aluminium oxide glass composition and magnetic head incorporating same |
| WO2011122369A1 (en) * | 2010-03-28 | 2011-10-06 | セントラル硝子株式会社 | Low-melting-point glass composition, and electrically conductive paste material produced using same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7443684B2 (en) | 2019-07-10 | 2024-03-06 | 東ソー株式会社 | New zeolite and catalyst for producing aromatic hydrocarbons containing it |
-
1979
- 1979-08-29 JP JP10913279A patent/JPS6029654B2/en not_active Expired
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6011246A (en) * | 1983-06-22 | 1985-01-21 | バロ−ス・コ−ポレ−シヨン | Glass composition and gas charge display panel |
| JPH021100B2 (en) * | 1983-06-22 | 1990-01-10 | Unisys Corp | |
| WO1985001724A1 (en) * | 1983-10-20 | 1985-04-25 | Eastman Kodak Company | Aluminium oxide glass composition and magnetic head incorporating same |
| US4544974A (en) * | 1983-10-20 | 1985-10-01 | Eastman Kodak Company | Alumina glass composition and magnetic head incorporating same |
| GB2158820A (en) * | 1983-10-20 | 1985-11-20 | Eastman Kodak Co | Aluminium oxide glass composition and magnetic head incorporating same |
| JPS61500167A (en) * | 1983-10-20 | 1986-01-30 | イ−ストマン・コダック・カンパニ− | Aluminum oxide glass composition and magnetic head using the composition |
| JPH0475177B2 (en) * | 1983-10-20 | 1992-11-30 | ||
| WO2011122369A1 (en) * | 2010-03-28 | 2011-10-06 | セントラル硝子株式会社 | Low-melting-point glass composition, and electrically conductive paste material produced using same |
| JP2011207629A (en) * | 2010-03-28 | 2011-10-20 | Central Glass Co Ltd | Low-melting-point glass composition, and electrically conductive paste material using the same |
| CN102762509A (en) * | 2010-03-28 | 2012-10-31 | 中央硝子株式会社 | Low-melting-point glass composition, and electrically conductive paste material produced using same |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6029654B2 (en) | 1985-07-11 |
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