DE1039073B - Ferromagnetographie - Google Patents

Ferromagnetographie

Info

Publication number
DE1039073B
DE1039073B DEI11037A DEI0011037A DE1039073B DE 1039073 B DE1039073 B DE 1039073B DE I11037 A DEI11037 A DE I11037A DE I0011037 A DEI0011037 A DE I0011037A DE 1039073 B DE1039073 B DE 1039073B
Authority
DE
Germany
Prior art keywords
powder
recording
magnetic
recording medium
heat
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.)
Granted
Application number
DEI11037A
Other languages
German (de)
English (en)
Other versions
DE1039073C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Frank William Kulesza
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.)
IBM Deutschland GmbH
Original Assignee
IBM Deutschland GmbH
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 IBM Deutschland GmbH filed Critical IBM Deutschland GmbH
Publication of DE1039073B publication Critical patent/DE1039073B/de
Application granted granted Critical
Publication of DE1039073C2 publication Critical patent/DE1039073C2/de
Granted legal-status Critical Current

Links

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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • G11B5/855—Coating only part of a support with a magnetic layer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/0825—Developers with toner particles characterised by their structure; characterised by non-homogenuous distribution of components
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0831—Chemical composition of the magnetic components
    • G03G9/0832—Metals
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G9/00—Developers
    • G03G9/08—Developers with toner particles
    • G03G9/083—Magnetic toner particles
    • G03G9/0837—Structural characteristics of the magnetic components, e.g. shape, crystallographic structure
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/14—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by electrographic printing, e.g. xerography; by magnetographic printing
    • 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
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Credit Cards Or The Like (AREA)
DEI11037A 1954-12-20 1955-12-17 Ferromagnetographie Granted DE1039073B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47653454A 1954-12-20 1954-12-20

Publications (2)

Publication Number Publication Date
DE1039073B true DE1039073B (de) 1958-09-18
DE1039073C2 DE1039073C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1959-03-12

Family

ID=37148497

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI11037A Granted DE1039073B (de) 1954-12-20 1955-12-17 Ferromagnetographie

Country Status (4)

Country Link
DE (1) DE1039073B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1160644A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB820931A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL202923A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2337360A1 (fr) * 1975-12-29 1977-07-29 Elfotec Ag Toner magnetique a un composant et son procede de fabrication
US4207101A (en) * 1977-07-07 1980-06-10 Oce-Van Der Grinten N.V. Process for magnetically transferring a powder image
EP0055992A3 (en) * 1978-03-28 1982-09-29 E.I. Du Pont De Nemours And Company Composition for a toner of a magnetic resist printing process

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1144743B (de) * 1958-12-30 1963-03-07 Ibm Druckfarbe mit magnetischen Farbstoffteilchen
US2985135A (en) * 1959-05-28 1961-05-23 Ibm Magnetic typewriter
JPS5923009B2 (ja) * 1979-06-26 1984-05-30 日本ビクター株式会社 磁気記録媒体
JPS5693122A (en) * 1979-12-24 1981-07-28 Fujitsu Ltd Magnetic recording medium having lubricated magnetic recording layer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE862754C (de) * 1949-10-15 1953-01-12 Ncr Co Durchschreibmaterial

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE862754C (de) * 1949-10-15 1953-01-12 Ncr Co Durchschreibmaterial

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2337360A1 (fr) * 1975-12-29 1977-07-29 Elfotec Ag Toner magnetique a un composant et son procede de fabrication
US4207101A (en) * 1977-07-07 1980-06-10 Oce-Van Der Grinten N.V. Process for magnetically transferring a powder image
EP0055992A3 (en) * 1978-03-28 1982-09-29 E.I. Du Pont De Nemours And Company Composition for a toner of a magnetic resist printing process

Also Published As

Publication number Publication date
FR1160644A (fr) 1958-07-22
NL202923A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB820931A (en) 1959-09-30
DE1039073C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1959-03-12

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