JPS4829810A - - Google Patents
Info
- Publication number
- JPS4829810A JPS4829810A JP7522172A JP7522172A JPS4829810A JP S4829810 A JPS4829810 A JP S4829810A JP 7522172 A JP7522172 A JP 7522172A JP 7522172 A JP7522172 A JP 7522172A JP S4829810 A JPS4829810 A JP S4829810A
- Authority
- JP
- Japan
- 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.)
- Pending
Links
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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
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- 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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/23—Gap features
- G11B5/235—Selection of material for gap filler
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17291071A | 1971-08-18 | 1971-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4829810A true JPS4829810A (enExample) | 1973-04-20 |
Family
ID=22629705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7522172A Pending JPS4829810A (enExample) | 1971-08-18 | 1972-07-28 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4829810A (enExample) |
| CA (1) | CA961056A (enExample) |
| DE (1) | DE2240062A1 (enExample) |
| FR (1) | FR2149397A1 (enExample) |
| IT (1) | IT959915B (enExample) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111517775B (zh) * | 2020-04-01 | 2021-12-14 | 深圳顺络电子股份有限公司 | 一种耐热冲击NiZn铁氧体材料及其制备方法 |
-
1972
- 1972-06-23 IT IT2601372A patent/IT959915B/it active
- 1972-07-26 FR FR7228833A patent/FR2149397A1/fr active Granted
- 1972-07-28 JP JP7522172A patent/JPS4829810A/ja active Pending
- 1972-07-31 CA CA148,261A patent/CA961056A/en not_active Expired
- 1972-08-16 DE DE19722240062 patent/DE2240062A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT959915B (it) | 1973-11-10 |
| DE2240062A1 (de) | 1973-02-22 |
| CA961056A (en) | 1975-01-14 |
| FR2149397A1 (en) | 1973-03-30 |
| FR2149397B1 (enExample) | 1974-07-12 |