FI40337B - - Google Patents
Info
- Publication number
- FI40337B FI40337B FI1675/61A FI167561A FI40337B FI 40337 B FI40337 B FI 40337B FI 1675/61 A FI1675/61 A FI 1675/61A FI 167561 A FI167561 A FI 167561A FI 40337 B FI40337 B FI 40337B
- Authority
- FI
- Finland
Links
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
- Y10T29/49057—Using glass bonding material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL256303 | 1960-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI40337B true FI40337B (pl) | 1968-09-02 |
Family
ID=19752588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI1675/61A FI40337B (pl) | 1960-09-27 | 1961-09-25 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3228092A (pl) |
| CH (1) | CH396437A (pl) |
| ES (1) | ES270722A1 (pl) |
| FI (1) | FI40337B (pl) |
| GB (1) | GB912461A (pl) |
| SE (1) | SE308032B (pl) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3495045A (en) * | 1964-08-18 | 1970-02-10 | Peter F Varadi | Magnetic transducer head having a ceramic gap spacer |
| US3736657A (en) * | 1964-08-18 | 1973-06-05 | P Varadi | Method of manufacturing a transducer head for magnetic recording/reproducing apparatus |
| JPS5038017B1 (pl) * | 1969-10-30 | 1975-12-06 | ||
| JPS5128011B1 (pl) * | 1970-06-02 | 1976-08-16 | ||
| JPS5128010B1 (pl) * | 1970-06-02 | 1976-08-16 | ||
| JPS5128009B1 (pl) * | 1970-06-02 | 1976-08-16 | ||
| JPS5114251B1 (pl) * | 1970-08-20 | 1976-05-08 | ||
| JPS4838826U (pl) * | 1971-09-10 | 1973-05-14 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2728054A (en) * | 1951-09-20 | 1955-12-20 | Steatite Res Corp | Ferromagnetic ceramic inductance core |
| IT514346A (pl) * | 1953-03-20 | |||
| US2915812A (en) * | 1953-04-21 | 1959-12-08 | Rca Corp | Method of constructing magnetic heads |
| US2943384A (en) * | 1954-06-29 | 1960-07-05 | Curtiss Wright Corp | Method of making magnetic recording units |
| US3024318A (en) * | 1955-10-04 | 1962-03-06 | Philips Corp | Glass gap spacer for magnetic heads |
-
1961
- 1961-08-14 US US131431A patent/US3228092A/en not_active Expired - Lifetime
- 1961-09-22 GB GB34023/61A patent/GB912461A/en not_active Expired
- 1961-09-25 CH CH1109261A patent/CH396437A/de unknown
- 1961-09-25 FI FI1675/61A patent/FI40337B/fi active
- 1961-09-25 ES ES270722A patent/ES270722A1/es not_active Expired
- 1961-09-25 SE SE9520/61A patent/SE308032B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3228092A (en) | 1966-01-11 |
| GB912461A (en) | 1962-12-05 |
| ES270722A1 (es) | 1962-03-01 |
| CH396437A (de) | 1965-07-31 |
| SE308032B (pl) | 1969-01-27 |