DE1170088B - Verfahren zum Herstellen duenner ferro-magnetischer Filme mit einer Vorzugsrichtung der Magnetisierung - Google Patents

Verfahren zum Herstellen duenner ferro-magnetischer Filme mit einer Vorzugsrichtung der Magnetisierung

Info

Publication number
DE1170088B
DE1170088B DEI17253A DEI0017253A DE1170088B DE 1170088 B DE1170088 B DE 1170088B DE I17253 A DEI17253 A DE I17253A DE I0017253 A DEI0017253 A DE I0017253A DE 1170088 B DE1170088 B DE 1170088B
Authority
DE
Germany
Prior art keywords
magnetization
grooves
films
magnetic
preferred direction
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.)
Pending
Application number
DEI17253A
Other languages
German (de)
English (en)
Inventor
John Scott Eggenberger
John Charles Lloyd
Robert Samuel Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE1170088B publication Critical patent/DE1170088B/de
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/08—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers
    • H01F10/10—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition
    • H01F10/12—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys
    • H01F10/14—Thin magnetic films, e.g. of one-domain structure characterised by magnetic layers characterised by the composition being metals or alloys containing iron or nickel
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F10/00—Thin magnetic films, e.g. of one-domain structure
    • H01F10/26—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers
    • H01F10/28—Thin magnetic films, e.g. of one-domain structure characterised by the substrate or intermediate layers characterised by the composition of the substrate
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/912—Puncture healing layer
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/922—Static electricity metal bleed-off metallic stock
    • Y10S428/9265—Special properties
    • Y10S428/928—Magnetic property
    • 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
    • Y10T29/49069—Data storage inductor or core
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12465—All metal or with adjacent metals having magnetic properties, or preformed fiber orientation coordinate with shape
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/2457—Parallel ribs and/or grooves
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thin Magnetic Films (AREA)
  • Magnetic Record Carriers (AREA)
DEI17253A 1958-11-18 1959-11-17 Verfahren zum Herstellen duenner ferro-magnetischer Filme mit einer Vorzugsrichtung der Magnetisierung Pending DE1170088B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US774656A US3019125A (en) 1958-11-18 1958-11-18 Thin magnetic film

Publications (1)

Publication Number Publication Date
DE1170088B true DE1170088B (de) 1964-05-14

Family

ID=25101866

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI17253A Pending DE1170088B (de) 1958-11-18 1959-11-17 Verfahren zum Herstellen duenner ferro-magnetischer Filme mit einer Vorzugsrichtung der Magnetisierung

Country Status (5)

Country Link
US (1) US3019125A (enExample)
DE (1) DE1170088B (enExample)
FR (1) FR1241401A (enExample)
GB (1) GB888762A (enExample)
NL (2) NL245388A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282804B (de) * 1961-11-25 1968-11-14 Telefunken Patent Ferromagnetisches Speicherelement

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3131078A (en) * 1958-05-21 1964-04-28 Lab For Electronics Inc Random storage
US3234525A (en) * 1960-03-28 1966-02-08 Gen Electric Thin film devices
GB924848A (en) * 1960-05-27 1963-05-01 Ibm Improvements in and relating to methods of manufacturing memory arrays
US3222657A (en) * 1960-09-14 1965-12-07 Sprague Electric Co Magnetic device
US3055770A (en) * 1960-12-23 1962-09-25 Ibm Thin magnetic films
US3211570A (en) * 1961-12-21 1965-10-12 Winfield W Salisbury Process of making sine wave gratings
DE1292267B (de) * 1962-06-22 1969-04-10 Siemens Ag Magnetisches Speicherelement
DE1258465B (de) * 1964-09-08 1968-01-11 Siemens Ag Magnetisches Speicherelement und Verfahren zu seiner Herstellung
US3396047A (en) * 1964-12-18 1968-08-06 Honeywell Inc Biaxially anisotropic magnetic thin film structure with magnetic discontinuities
US3457634A (en) * 1966-03-29 1969-07-29 Sperry Rand Corp Method for fabricating memory apparatus
US3471272A (en) * 1966-09-20 1969-10-07 Thin Film Inc Magnetic storage medium
US3548045A (en) * 1969-10-17 1970-12-15 Nemonic Data Systems Inc Method of making a striated support for filaments
JPS4913325B1 (enExample) * 1970-05-02 1974-03-30
EP0081240B1 (en) * 1981-12-09 1989-06-28 Matsushita Electric Industrial Co., Ltd. Thin film magnetic head
US4613918A (en) * 1982-04-14 1986-09-23 Matsushita Electric Industrial Co., Ltd. Perpendicular magnetic playback head and a perpendicular magnetic recording and reproducing device
DE3390321T1 (de) * 1982-11-11 1985-01-24 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Dünnfilm-Magnetkopf
DE3370710D1 (en) * 1982-11-19 1987-05-07 Matsushita Electric Industrial Co Ltd Magnetic recording medium
US4816933A (en) * 1984-10-23 1989-03-28 Tdk Corporation Magnetic recording medium of particular coercive force, filling ratio, and protrusions and recording/reproducing method therefor
US5082747A (en) * 1985-11-12 1992-01-21 Hedgcoth Virgle L Magnetic recording disk and sputtering process and apparatus for producing same
US4735840A (en) * 1985-11-12 1988-04-05 Cyberdisk, Inc. Magnetic recording disk and sputtering process and apparatus for producing same
US4894133A (en) * 1985-11-12 1990-01-16 Virgle L. Hedgcoth Method and apparatus making magnetic recording disk
WO1990000794A1 (de) * 1988-07-14 1990-01-25 Siemens Aktiengesellschaft Dünnfilm-magnetkopf mit magnetschenkeln aus jeweils mehreren magnetischen einzelschichten
US5736921A (en) * 1994-03-23 1998-04-07 Sanyo Electric Co., Ltd. Magnetoresistive element
US5585198A (en) * 1993-10-20 1996-12-17 Sanyo Electric Co., Ltd. Magnetorsistance effect element
JPH08130337A (ja) * 1994-09-09 1996-05-21 Sanyo Electric Co Ltd 磁気抵抗素子及びその製造方法
US7189583B2 (en) * 2003-07-02 2007-03-13 Micron Technology, Inc. Method for production of MRAM elements

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE135403C (enExample) *
FR891451A (enExample) * 1944-03-08
FR966694A (fr) * 1948-05-14 1950-10-16 Procédé de fabrication de noyaux magnétiques et noyaux obtenus par ce procédé
DE832333C (de) * 1949-11-05 1952-02-25 Kurd Von Haken Dipl Ing Verfahren zur Herstellung von Magnetogrammtraegern
FR1008218A (fr) * 1950-01-11 1952-05-15 Perfectionnement à la fabrication des bandes magnétiques portant un enregistrementsonore

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB284786A (enExample) *
US1820240A (en) * 1929-03-30 1931-08-25 Philip A Michell Coil
US2185300A (en) * 1936-02-21 1940-01-02 Bell Telephone Labor Inc Telegraphone
GB650675A (en) * 1945-08-28 1951-02-28 Brush Dev Co Flexible coated magnetic record member and method of making same
US2501126A (en) * 1946-10-18 1950-03-21 Indiana Steel Products Co Magnetic record medium
US2511121A (en) * 1948-02-14 1950-06-13 Bell Telephone Labor Inc Method of recording information on stationary magnetic material
USRE23602E (en) * 1948-04-20 1952-12-23 Magnetic sound record
GB670993A (en) * 1949-06-01 1952-04-30 Bayer Ag Improvements in or relating to magnetic sound recorders
US2844665A (en) * 1954-04-15 1958-07-22 Sound Engineering Magnetic recording device
US2819186A (en) * 1956-01-19 1958-01-07 Reeves Soundcraft Corp Magnetic recording tape

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE135403C (enExample) *
FR891451A (enExample) * 1944-03-08
FR966694A (fr) * 1948-05-14 1950-10-16 Procédé de fabrication de noyaux magnétiques et noyaux obtenus par ce procédé
DE832333C (de) * 1949-11-05 1952-02-25 Kurd Von Haken Dipl Ing Verfahren zur Herstellung von Magnetogrammtraegern
FR1008218A (fr) * 1950-01-11 1952-05-15 Perfectionnement à la fabrication des bandes magnétiques portant un enregistrementsonore

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282804B (de) * 1961-11-25 1968-11-14 Telefunken Patent Ferromagnetisches Speicherelement

Also Published As

Publication number Publication date
NL130450C (enExample)
US3019125A (en) 1962-01-30
GB888762A (en) 1962-02-07
FR1241401A (fr) 1960-09-16
NL245388A (enExample)

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