JPH0159643B2 - - Google Patents
Info
- Publication number
- JPH0159643B2 JPH0159643B2 JP3749881A JP3749881A JPH0159643B2 JP H0159643 B2 JPH0159643 B2 JP H0159643B2 JP 3749881 A JP3749881 A JP 3749881A JP 3749881 A JP3749881 A JP 3749881A JP H0159643 B2 JPH0159643 B2 JP H0159643B2
- Authority
- JP
- Japan
- Prior art keywords
- head
- magnetic
- plane
- tape
- recording
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 42
- 239000013078 crystal Substances 0.000 claims description 19
- 229910000859 α-Fe Inorganic materials 0.000 claims description 17
- 239000010409 thin film Substances 0.000 claims description 12
- 238000007740 vapor deposition Methods 0.000 claims description 5
- 239000000758 substrate Substances 0.000 claims description 2
- 239000011800 void material Substances 0.000 claims description 2
- 230000003746 surface roughness Effects 0.000 description 21
- 239000011162 core material Substances 0.000 description 11
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- 230000035945 sensitivity Effects 0.000 description 3
- 229910020630 Co Ni Inorganic materials 0.000 description 2
- 229910002440 Co–Ni Inorganic materials 0.000 description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium dioxide Chemical compound O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001000 micrograph Methods 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 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
- G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3749881A JPS57169915A (en) | 1981-03-16 | 1981-03-16 | Magnetic recorder and reproducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3749881A JPS57169915A (en) | 1981-03-16 | 1981-03-16 | Magnetic recorder and reproducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57169915A JPS57169915A (en) | 1982-10-19 |
| JPH0159643B2 true JPH0159643B2 (enrdf_load_html_response) | 1989-12-19 |
Family
ID=12499181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3749881A Granted JPS57169915A (en) | 1981-03-16 | 1981-03-16 | Magnetic recorder and reproducer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57169915A (enrdf_load_html_response) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03124313U (enrdf_load_html_response) * | 1990-03-30 | 1991-12-17 |
-
1981
- 1981-03-16 JP JP3749881A patent/JPS57169915A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57169915A (en) | 1982-10-19 |
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