JPS4972312A - - Google Patents
Info
- Publication number
- JPS4972312A JPS4972312A JP11314372A JP11314372A JPS4972312A JP S4972312 A JPS4972312 A JP S4972312A JP 11314372 A JP11314372 A JP 11314372A JP 11314372 A JP11314372 A JP 11314372A JP S4972312 A JPS4972312 A JP S4972312A
- 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
- C03C3/102—Glass compositions containing silica with 40% to 90% silica, by weight containing lead
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11314372A JPS4972312A (en) | 1972-11-10 | 1972-11-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11314372A JPS4972312A (en) | 1972-11-10 | 1972-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4972312A true JPS4972312A (en) | 1974-07-12 |
Family
ID=14604644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11314372A Pending JPS4972312A (en) | 1972-11-10 | 1972-11-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS4972312A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5276316A (en) * | 1975-12-23 | 1977-06-27 | Fujitsu Ltd | Composite of glass |
| JPS5877818U (en) * | 1981-11-18 | 1983-05-26 | ティーディーケイ株式会社 | dual channel magnetic head |
| JPS5917031U (en) * | 1982-07-24 | 1984-02-01 | ティーディーケイ株式会社 | Multi-channel magnetic head |
| JPS60154316A (en) * | 1984-01-24 | 1985-08-14 | Tohoku Metal Ind Ltd | Straddle erase type magnetic head |
| JPS61195505U (en) * | 1985-05-20 | 1986-12-05 |
-
1972
- 1972-11-10 JP JP11314372A patent/JPS4972312A/ja active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5276316A (en) * | 1975-12-23 | 1977-06-27 | Fujitsu Ltd | Composite of glass |
| JPS5537503B2 (en) * | 1975-12-23 | 1980-09-29 | ||
| JPS5877818U (en) * | 1981-11-18 | 1983-05-26 | ティーディーケイ株式会社 | dual channel magnetic head |
| JPH0110740Y2 (en) * | 1981-11-18 | 1989-03-28 | ||
| JPS5917031U (en) * | 1982-07-24 | 1984-02-01 | ティーディーケイ株式会社 | Multi-channel magnetic head |
| JPH0114995Y2 (en) * | 1982-07-24 | 1989-05-02 | ||
| JPS60154316A (en) * | 1984-01-24 | 1985-08-14 | Tohoku Metal Ind Ltd | Straddle erase type magnetic head |
| JPS61195505U (en) * | 1985-05-20 | 1986-12-05 |