GB1148587A - Improvements relating to methods of manufacturing pole-pices for magnetic heads - Google Patents
Improvements relating to methods of manufacturing pole-pices for magnetic headsInfo
- Publication number
- GB1148587A GB1148587A GB3077266A GB3077266A GB1148587A GB 1148587 A GB1148587 A GB 1148587A GB 3077266 A GB3077266 A GB 3077266A GB 3077266 A GB3077266 A GB 3077266A GB 1148587 A GB1148587 A GB 1148587A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- magnetic heads
- head
- ferrite
- pices
- Prior art date
- 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
- 238000004519 manufacturing process Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000011521 glass Substances 0.000 abstract 3
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 210000003298 dental enamel Anatomy 0.000 abstract 1
- 238000005498 polishing Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 239000000037 vitreous enamel Substances 0.000 abstract 1
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
- G11B5/193—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features the pole pieces being ferrite or other magnetic particles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6508992A NL6508992A (cg-RX-API-DMAC7.html) | 1965-07-13 | 1965-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1148587A true GB1148587A (en) | 1969-04-16 |
Family
ID=19793626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3077266A Expired GB1148587A (en) | 1965-07-13 | 1966-07-08 | Improvements relating to methods of manufacturing pole-pices for magnetic heads |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT280644B (cg-RX-API-DMAC7.html) |
| BE (1) | BE683927A (cg-RX-API-DMAC7.html) |
| CH (1) | CH450489A (cg-RX-API-DMAC7.html) |
| DE (1) | DE1547045B2 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1148587A (cg-RX-API-DMAC7.html) |
| NL (1) | NL6508992A (cg-RX-API-DMAC7.html) |
| SE (1) | SE328725B (cg-RX-API-DMAC7.html) |
-
1965
- 1965-07-13 NL NL6508992A patent/NL6508992A/xx unknown
-
1966
- 1966-07-08 GB GB3077266A patent/GB1148587A/en not_active Expired
- 1966-07-11 CH CH1002466A patent/CH450489A/de unknown
- 1966-07-11 AT AT662966A patent/AT280644B/de not_active IP Right Cessation
- 1966-07-11 SE SE948066A patent/SE328725B/xx unknown
- 1966-07-11 DE DE1966N0028827 patent/DE1547045B2/de active Granted
- 1966-07-11 BE BE683927D patent/BE683927A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL6508992A (cg-RX-API-DMAC7.html) | 1967-01-16 |
| SE328725B (cg-RX-API-DMAC7.html) | 1970-09-21 |
| DE1547045A1 (de) | 1970-10-22 |
| BE683927A (cg-RX-API-DMAC7.html) | 1967-01-11 |
| CH450489A (de) | 1968-01-31 |
| DE1547045B2 (de) | 1976-07-22 |
| AT280644B (de) | 1970-04-27 |
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