IT1086962B - Procedimento per produrre strutture integrate a testina magnetica - Google Patents
Procedimento per produrre strutture integrate a testina magneticaInfo
- Publication number
- IT1086962B IT1086962B IT28071/77A IT2807177A IT1086962B IT 1086962 B IT1086962 B IT 1086962B IT 28071/77 A IT28071/77 A IT 28071/77A IT 2807177 A IT2807177 A IT 2807177A IT 1086962 B IT1086962 B IT 1086962B
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- magnetic head
- integrated structures
- producing integrated
- producing
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
-
- 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- G11B5/3163—Fabrication methods or processes specially adapted for a particular head structure, e.g. using base layers for electroplating, using functional layers for masking, using energy or particle beams for shaping the structure or modifying the properties of the basic layers
-
- 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]
-
- 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]
- Y10T29/49052—Machining magnetic material [e.g., grinding, etching, polishing] by etching
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19772721201 DE2721201A1 (de) | 1977-05-11 | 1977-05-11 | Verfahren zur herstellung integrierter magnetkopfstrukturen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1086962B true IT1086962B (it) | 1985-05-31 |
Family
ID=6008632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT28071/77A IT1086962B (it) | 1977-05-11 | 1977-09-29 | Procedimento per produrre strutture integrate a testina magnetica |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4192985A (it) |
| JP (1) | JPS53139515A (it) |
| AT (1) | AT348281B (it) |
| BE (1) | BE859755A (it) |
| CH (1) | CH624504A5 (it) |
| DE (1) | DE2721201A1 (it) |
| GB (1) | GB1549477A (it) |
| IT (1) | IT1086962B (it) |
| NL (1) | NL7711323A (it) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436593A (en) * | 1981-07-13 | 1984-03-13 | Memorex Corporation | Self-aligned pole tips |
| US4418472A (en) * | 1981-11-23 | 1983-12-06 | Xerox Corporation | Method of delineating thin film magnetic head arrays |
| NL8200531A (nl) * | 1982-02-12 | 1983-09-01 | Philips Nv | Magneetkop met gedeeltelijk uitgeetste wikkelopening. |
| JPS60133516A (ja) * | 1983-12-22 | 1985-07-16 | Hitachi Ltd | 薄膜磁気ヘツドの製造方法 |
| US4878290A (en) * | 1989-02-13 | 1989-11-07 | International Business Machines Corporation | Method for making thin film magnetic head |
| DE69117323T2 (de) | 1990-04-16 | 1996-07-11 | Hitachi Ltd | Dünnfilm-Magnetkopf mit schmaler Spurbreite und dessen Herstellungsverfahren |
| US6651313B1 (en) | 2000-10-06 | 2003-11-25 | International Business Machines Corporation | Method for manufacturing a magnetic head |
| US7086139B2 (en) * | 2004-04-30 | 2006-08-08 | Hitachi Global Storage Technologies Netherlands B.V. | Methods of making magnetic write heads using electron beam lithography |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3514851A (en) * | 1967-04-03 | 1970-06-02 | Control Data Corp | Method of manufacturing a magnetic head structure |
| FR2209154B1 (it) * | 1972-07-03 | 1975-04-11 | Cii | |
| FR2297475A1 (fr) * | 1975-01-10 | 1976-08-06 | Cii | Perfectionnements exportes aux structures de tetes magnetiques du type dit " integre " |
| US4017965A (en) * | 1975-06-16 | 1977-04-19 | Burroughs Corporation | Method of making a transducer head with narrow core structure |
-
1977
- 1977-05-11 DE DE19772721201 patent/DE2721201A1/de not_active Ceased
- 1977-07-21 AT AT530577A patent/AT348281B/de not_active IP Right Cessation
- 1977-08-04 GB GB32678/77A patent/GB1549477A/en not_active Expired
- 1977-09-07 CH CH1091177A patent/CH624504A5/de not_active IP Right Cessation
- 1977-09-15 US US05/833,487 patent/US4192985A/en not_active Expired - Lifetime
- 1977-09-29 IT IT28071/77A patent/IT1086962B/it active
- 1977-10-14 BE BE181768A patent/BE859755A/xx unknown
- 1977-10-14 NL NL7711323A patent/NL7711323A/xx not_active Application Discontinuation
- 1977-12-21 JP JP15427377A patent/JPS53139515A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| AT348281B (de) | 1979-02-12 |
| CH624504A5 (it) | 1981-07-31 |
| JPS53139515A (en) | 1978-12-05 |
| NL7711323A (nl) | 1978-11-14 |
| ATA530577A (de) | 1978-06-15 |
| US4192985A (en) | 1980-03-11 |
| DE2721201A1 (de) | 1978-11-16 |
| GB1549477A (en) | 1979-08-08 |
| BE859755A (fr) | 1978-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS53123114A (en) | Magnetic head assembly | |
| SE7802104L (sv) | Forfarande for preparering av ett detekteringshuvud | |
| IT7851674A0 (it) | Procedimento per produrre dialchilcarbonati | |
| IT1109182B (it) | Testina magnetica perfezionata | |
| IT7825055A0 (it) | Testina magnetica perfezionata. | |
| SE7811379L (sv) | Magnethuvudarrangemang | |
| IT1090632B (it) | Procedimento per produrre registrazione a rilievo | |
| IT1160591B (it) | Testina di registrazione a getto di gocce con placca di stimolazione | |
| JPS53128417A (en) | Needle type head | |
| IT1086962B (it) | Procedimento per produrre strutture integrate a testina magnetica | |
| IT1087636B (it) | Struttura integrata a testina magnetica e procedimento per la sua fabbricazione | |
| IT1094821B (it) | Procedimento per produrre olefine | |
| IT1157363B (it) | Procedimento per produrre p-alchilfenoli | |
| IT1106758B (it) | Procedimento per produrre polieter polioli | |
| AR218345A1 (es) | Procedimiento para producir 2'-n-glicilfortimicina a | |
| IT1099767B (it) | Procedimento per produrre filati poliammidici autoincrespanti | |
| IT1104627B (it) | Procedimento per produrre tiazolin-2-tioni | |
| IT7803339A0 (it) | Produrre il medesimofilato voluminoso e metodo per | |
| IT7851015A0 (it) | Procedimento per produrre acido-1ammino-4-bromo-antrachinon-2-solfo nico | |
| IT7851016A0 (it) | Procedimento per produrre acido-1ammino-4-bromo-antrachinon-2-solfo nico | |
| IT7851329A0 (it) | Procedimento per produrre dialchilfosforo-cloruro-tionati | |
| IT7848796A0 (it) | Procedimento per produrre zeolite a finemente suddivisa | |
| IT1097986B (it) | Testa magnetica con un corpo librante | |
| IT1106907B (it) | Procedimento per produrre morfolino-ditiotiazoli | |
| IT7847777A0 (it) | Procedimento per produrre etilenti ourea |