GB1317634A - Method of manufacturing magnetic heads - Google Patents
Method of manufacturing magnetic headsInfo
- Publication number
- GB1317634A GB1317634A GB3437070A GB3437070A GB1317634A GB 1317634 A GB1317634 A GB 1317634A GB 3437070 A GB3437070 A GB 3437070A GB 3437070 A GB3437070 A GB 3437070A GB 1317634 A GB1317634 A GB 1317634A
- Authority
- GB
- United Kingdom
- Prior art keywords
- glass
- magnetic heads
- ferrite
- layers
- july
- 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
- 239000011521 glass Substances 0.000 abstract 4
- 229910000859 α-Fe Inorganic materials 0.000 abstract 3
- 229910052582 BN Inorganic materials 0.000 abstract 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 abstract 1
- 229910052581 Si3N4 Inorganic materials 0.000 abstract 1
- 229910004298 SiO 2 Inorganic materials 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 229910052790 beryllium Inorganic materials 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 229910052749 magnesium Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 150000004767 nitrides Chemical class 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 abstract 1
- 229910052715 tantalum Inorganic materials 0.000 abstract 1
- 229910052718 tin Inorganic materials 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
- 229910052726 zirconium Inorganic materials 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
- G11B5/23—Gap features
- G11B5/232—Manufacture of gap
-
- 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
- G11B5/23—Gap features
- G11B5/235—Selection of material for gap filler
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US84287969A | 1969-07-18 | 1969-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1317634A true GB1317634A (en) | 1973-05-23 |
Family
ID=25288474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3437070A Expired GB1317634A (en) | 1969-07-18 | 1970-07-15 | Method of manufacturing magnetic heads |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS505924B1 (enrdf_load_stackoverflow) |
| AT (1) | AT303409B (enrdf_load_stackoverflow) |
| BE (1) | BE753577A (enrdf_load_stackoverflow) |
| DE (1) | DE2033916A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2051837B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1317634A (enrdf_load_stackoverflow) |
| NL (1) | NL7010306A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3886025A (en) * | 1972-08-24 | 1975-05-27 | Ibm | Ferrite head |
-
1970
- 1970-07-08 DE DE19702033916 patent/DE2033916A1/de active Pending
- 1970-07-11 NL NL7010306A patent/NL7010306A/xx not_active Application Discontinuation
- 1970-07-15 AT AT642870A patent/AT303409B/de not_active IP Right Cessation
- 1970-07-15 GB GB3437070A patent/GB1317634A/en not_active Expired
- 1970-07-15 JP JP6146570A patent/JPS505924B1/ja active Pending
- 1970-07-16 FR FR7026160A patent/FR2051837B1/fr not_active Expired
- 1970-07-16 BE BE753577D patent/BE753577A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| JPS505924B1 (enrdf_load_stackoverflow) | 1975-03-08 |
| NL7010306A (enrdf_load_stackoverflow) | 1971-01-20 |
| DE2033916A1 (de) | 1971-02-04 |
| AT303409B (de) | 1972-11-27 |
| FR2051837B1 (enrdf_load_stackoverflow) | 1973-05-25 |
| BE753577A (fr) | 1971-01-18 |
| FR2051837A1 (enrdf_load_stackoverflow) | 1971-04-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PE20 | Patent expired after termination of 20 years |