DE2509452C2 - Magnetkopf mit Bearbeitungsüberwachung seiner Kopfoberfläche sowie Verfahren und Vorrichtung zur Herstellung eines derartigen Magnetkopfs - Google Patents
Magnetkopf mit Bearbeitungsüberwachung seiner Kopfoberfläche sowie Verfahren und Vorrichtung zur Herstellung eines derartigen MagnetkopfsInfo
- Publication number
- DE2509452C2 DE2509452C2 DE19752509452 DE2509452A DE2509452C2 DE 2509452 C2 DE2509452 C2 DE 2509452C2 DE 19752509452 DE19752509452 DE 19752509452 DE 2509452 A DE2509452 A DE 2509452A DE 2509452 C2 DE2509452 C2 DE 2509452C2
- Authority
- DE
- Germany
- Prior art keywords
- magnetic head
- head
- head section
- transducer
- resistance
- 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
- 238000000034 method Methods 0.000 title claims description 21
- 238000012545 processing Methods 0.000 title claims description 10
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 238000012544 monitoring process Methods 0.000 title claims 2
- 238000005259 measurement Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 239000003082 abrasive agent Substances 0.000 claims 1
- 239000012876 carrier material Substances 0.000 claims 1
- 238000011156 evaluation Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- 238000003860 storage Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000004804 winding 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
- G11B5/33—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only
- G11B5/39—Structure or manufacture of flux-sensitive heads, i.e. for reproduction only; Combination of such heads with means for recording or erasing only using magneto-resistive devices or effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/10—Indicating arrangements; Warning arrangements
-
- 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
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45013774A | 1974-03-11 | 1974-03-11 | |
| US450139A US3921340A (en) | 1974-03-11 | 1974-03-11 | Magnetic head surface formation apparatus and method |
| US05/450,138 US3955213A (en) | 1974-03-11 | 1974-03-11 | Intermediate product assembly of a magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2509452A1 DE2509452A1 (de) | 1975-09-18 |
| DE2509452C2 true DE2509452C2 (de) | 1986-09-11 |
Family
ID=27412434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19752509452 Expired DE2509452C2 (de) | 1974-03-11 | 1975-03-05 | Magnetkopf mit Bearbeitungsüberwachung seiner Kopfoberfläche sowie Verfahren und Vorrichtung zur Herstellung eines derartigen Magnetkopfs |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2509452C2 (enExample) |
| FR (1) | FR2273338A1 (enExample) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3681682A (en) * | 1970-12-21 | 1972-08-01 | Ibm | Method and apparatus for testing gap surface finish and winding characteristics of a magnetic head subassembly |
| JPS5224404B1 (enExample) * | 1971-04-29 | 1977-07-01 |
-
1975
- 1975-01-20 FR FR7502832A patent/FR2273338A1/fr active Granted
- 1975-03-05 DE DE19752509452 patent/DE2509452C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2273338B1 (enExample) | 1977-11-18 |
| DE2509452A1 (de) | 1975-09-18 |
| FR2273338A1 (en) | 1975-12-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |