IT1031603B - Procedimento per la fabbricazione di particelle magnetiche in particolare per l ottenimento di inchiostri magnetici - Google Patents

Procedimento per la fabbricazione di particelle magnetiche in particolare per l ottenimento di inchiostri magnetici

Info

Publication number
IT1031603B
IT1031603B IT20113/75A IT2011375A IT1031603B IT 1031603 B IT1031603 B IT 1031603B IT 20113/75 A IT20113/75 A IT 20113/75A IT 2011375 A IT2011375 A IT 2011375A IT 1031603 B IT1031603 B IT 1031603B
Authority
IT
Italy
Prior art keywords
procedure
manufacture
magnetic
inks
magnetic particles
Prior art date
Application number
IT20113/75A
Other languages
English (en)
Original Assignee
Ibm
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 filed Critical Ibm
Application granted granted Critical
Publication of IT1031603B publication Critical patent/IT1031603B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C09C3/066—Treatment or coating resulting in a free metal containing surface-region
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/62—Metallic pigments or fillers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C09C3/063—Coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
    • H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
    • H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
    • 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
    • H01F41/16—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 the magnetic material being applied in the form of particles, e.g. by serigraphy, to form thick magnetic films or precursors therefor
    • 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
    • H01F41/20—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 by evaporation
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/42—Magnetic properties

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dispersion Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Hard Magnetic Materials (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Soft Magnetic Materials (AREA)
  • Ink Jet (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
IT20113/75A 1974-04-15 1975-02-11 Procedimento per la fabbricazione di particelle magnetiche in particolare per l ottenimento di inchiostri magnetici IT1031603B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46084274A 1974-04-15 1974-04-15

Publications (1)

Publication Number Publication Date
IT1031603B true IT1031603B (it) 1979-05-10

Family

ID=23830285

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20113/75A IT1031603B (it) 1974-04-15 1975-02-11 Procedimento per la fabbricazione di particelle magnetiche in particolare per l ottenimento di inchiostri magnetici

Country Status (7)

Country Link
US (1) US4113521A (it)
JP (1) JPS5841315B2 (it)
CA (1) CA1063774A (it)
DE (1) DE2460049A1 (it)
FR (1) FR2267354B1 (it)
GB (1) GB1460695A (it)
IT (1) IT1031603B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5797605A (en) * 1980-12-09 1982-06-17 Matsushita Electric Ind Co Ltd Magnetic fluid
JPS6048468U (ja) * 1983-09-12 1985-04-05 セキセイ株式会社 ボツクスフアイル
JPS60163225U (ja) * 1984-04-06 1985-10-30 株式会社　兼秀青果 包装用ケ−ス
EP0191998A1 (en) * 1985-02-19 1986-08-27 Kodak-Pathe Process for preparing facetted nodular particles and isotropic magnetic recording elements containing such particles
JPS62276411A (ja) * 1986-05-24 1987-12-01 Osaka Gas Co Ltd フルイデイツク流量計
US4715891A (en) * 1986-10-17 1987-12-29 Ovonic Synthetic Materials Company, Inc. Method of preparing a magnetic material
JPS63141771U (it) * 1987-03-07 1988-09-19
JPS63141772U (it) * 1987-03-07 1988-09-19
JPH01104383U (it) * 1987-12-31 1989-07-13
JPH02309748A (ja) * 1989-05-24 1990-12-25 Murata Mfg Co Ltd 磁気ダイヤルカードおよびカードダイヤル装置
US5849817A (en) * 1994-03-24 1998-12-15 Silberline Limited Metal pigments
GB2288411B (en) * 1994-03-24 1998-04-15 Silberline Ltd Metal pigments
SE529779C8 (sv) * 2001-11-30 2008-06-17 Magnetit-järnbaserat kompositpulver, magnetit-järnbaserad pulverblandning, metod för tillverkning av dessa, metod för sanering av förorenad jord, vatten eller gaser och elektromagnetisk vågabsorbator

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744040A (en) * 1952-03-25 1956-05-01 Gen Aniline & Film Corp Process of preparing iron powder for magnetic cores
US2996418A (en) * 1957-06-05 1961-08-15 Gen Motors Corp Method and apparatus for vapor depositing thin films
US3065958A (en) * 1958-08-27 1962-11-27 Nat Res Corp Production of metals
US3063858A (en) * 1959-07-22 1962-11-13 Nat Res Corp Vapor source and processes for vaporizing iron, nickel and copper
GB972146A (en) * 1961-02-10 1964-10-07 Nippon Electric Co Improvements in or relating to magnetic materials
US3132022A (en) * 1961-06-29 1964-05-05 Gen Electric Metal whiskers having an essentially constant diameter of not more than 1000 angstroms
US3148079A (en) * 1961-10-12 1964-09-08 Polytechnic Inst Brooklyn Process for producing thin film ferrimagnetic oxides
US3399142A (en) * 1963-10-02 1968-08-27 Georgia Kaolin Co Magnetic materials and methods of making the same
US3795542A (en) * 1971-06-09 1974-03-05 Corning Glass Works Method of making a magnetic recording and storage device
JPS4825662A (it) * 1971-08-06 1973-04-03
JPS4831166A (it) * 1971-08-21 1973-04-24
JPS5133758A (it) * 1974-09-17 1976-03-23 Fuji Photo Film Co Ltd

Also Published As

Publication number Publication date
CA1063774A (en) 1979-10-09
JPS50137207A (it) 1975-10-31
GB1460695A (en) 1977-01-06
FR2267354A1 (it) 1975-11-07
FR2267354B1 (it) 1977-04-15
DE2460049A1 (de) 1975-10-23
US4113521A (en) 1978-09-12
JPS5841315B2 (ja) 1983-09-10

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