DK118926B - Fremgangsmåde til fremstilling af multimagnethoveder med nøjagtigt defineret spaltehøjde. - Google Patents
Fremgangsmåde til fremstilling af multimagnethoveder med nøjagtigt defineret spaltehøjde.Info
- Publication number
- DK118926B DK118926B DK572365AA DK572365A DK118926B DK 118926 B DK118926 B DK 118926B DK 572365A A DK572365A A DK 572365AA DK 572365 A DK572365 A DK 572365A DK 118926 B DK118926 B DK 118926B
- Authority
- DK
- Denmark
- Prior art keywords
- magnetic heads
- precisely defined
- slot height
- manufacturing multi
- defined slot
- Prior art date
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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track
-
- 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
-
- 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
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
-
- 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
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49037—Using reference point/surface to facilitate measuring
-
- 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
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6413057A NL6413057A (da) | 1964-11-10 | 1964-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DK118926B true DK118926B (da) | 1970-10-19 |
Family
ID=19791414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK572365AA DK118926B (da) | 1964-11-10 | 1965-11-06 | Fremgangsmåde til fremstilling af multimagnethoveder med nøjagtigt defineret spaltehøjde. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3395451A (da) |
| AT (1) | AT267899B (da) |
| BE (1) | BE672114A (da) |
| DK (1) | DK118926B (da) |
| ES (1) | ES319334A1 (da) |
| GB (1) | GB1073597A (da) |
| NL (1) | NL6413057A (da) |
| SE (1) | SE330794B (da) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA553156A (en) * | 1958-02-11 | Kornei Otto | Method of making magnetic transducer heads | |
| US2769866A (en) * | 1951-06-08 | 1956-11-06 | Clevite Corp | Magnetic transducer head |
-
0
- BE BE672114D patent/BE672114A/xx unknown
-
1964
- 1964-11-10 NL NL6413057A patent/NL6413057A/xx unknown
-
1965
- 1965-11-05 GB GB46997/65A patent/GB1073597A/en not_active Expired
- 1965-11-06 DK DK572365AA patent/DK118926B/da unknown
- 1965-11-08 ES ES0319334A patent/ES319334A1/es not_active Expired
- 1965-11-09 SE SE14447/65A patent/SE330794B/xx unknown
- 1965-11-09 AT AT1008965A patent/AT267899B/de active
- 1965-11-10 US US507130A patent/US3395451A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| ES319334A1 (es) | 1966-01-16 |
| BE672114A (da) | |
| NL6413057A (da) | 1966-05-11 |
| US3395451A (en) | 1968-08-06 |
| SE330794B (da) | 1970-11-30 |
| AT267899B (de) | 1969-01-27 |
| GB1073597A (en) | 1967-06-28 |
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