FR2335261B1 - - Google Patents
Info
- Publication number
- FR2335261B1 FR2335261B1 FR7637915A FR7637915A FR2335261B1 FR 2335261 B1 FR2335261 B1 FR 2335261B1 FR 7637915 A FR7637915 A FR 7637915A FR 7637915 A FR7637915 A FR 7637915A FR 2335261 B1 FR2335261 B1 FR 2335261B1
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1625575A CH607800A5 (en) | 1975-12-16 | 1975-12-16 | Machine for manufacturing magnetic disks |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2335261A1 FR2335261A1 (fr) | 1977-07-15 |
FR2335261B1 true FR2335261B1 (lv) | 1981-01-09 |
Family
ID=4415733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7637915A Granted FR2335261A1 (fr) | 1975-12-16 | 1976-12-16 | Machine a orienter les cristaux |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH607800A5 (lv) |
FR (1) | FR2335261A1 (lv) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2952557A (en) * | 1955-09-28 | 1960-09-13 | Texas Instruments Inc | Method and apparatus for coating disks |
FR1263499A (fr) * | 1960-06-28 | 1961-06-09 | Rca Corp | Procédé et dispositif pour la préparation d'éléments d'enregistrements magnétiques |
US3198657A (en) * | 1964-09-17 | 1965-08-03 | Ibm | Process for spin coating objects |
DE2357517C3 (de) * | 1973-11-17 | 1981-05-27 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von magnetischen Aufzeichnungsträgern in Form flacher Scheiben |
-
1975
- 1975-12-16 CH CH1625575A patent/CH607800A5/xx not_active IP Right Cessation
-
1976
- 1976-12-16 FR FR7637915A patent/FR2335261A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
CH607800A5 (en) | 1978-10-31 |
FR2335261A1 (fr) | 1977-07-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |