NL189785C - Magnetisch registreermedium, en werkwijze voor het produceren van een bekleed ferromagnetisch poeder. - Google Patents
Magnetisch registreermedium, en werkwijze voor het produceren van een bekleed ferromagnetisch poeder.Info
- Publication number
- NL189785C NL189785C NLAANVRAGE8400769,A NL8400769A NL189785C NL 189785 C NL189785 C NL 189785C NL 8400769 A NL8400769 A NL 8400769A NL 189785 C NL189785 C NL 189785C
- Authority
- NL
- Netherlands
- Prior art keywords
- producing
- record medium
- ferromagnetic powder
- magnetic record
- coated ferromagnetic
- Prior art date
Links
- 230000005294 ferromagnetic effect Effects 0.000 title 1
- 230000005291 magnetic effect Effects 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000000843 powder Substances 0.000 title 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
- G11B5/62—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
- G11B5/7013—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 characterised by the dispersing agent
-
- 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
- G11B5/702—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 characterised by the bonding agent
- G11B5/7021—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 characterised by the bonding agent containing a polyurethane or a polyisocyanate
- G11B5/7022—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 characterised by the bonding agent containing a polyurethane or a polyisocyanate containing mixtures of polyurethanes or polyisocyanates with other polymers
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
-
- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
- Y10T428/257—Iron oxide or aluminum oxide
-
- 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
- Y10T428/269—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension including synthetic resin or polymer layer or component
-
- 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
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
- Y10T428/2998—Coated including synthetic resin or polymer
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31609—Particulate metal or metal compound-containing
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31678—Of metal
-
- 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
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5632583 | 1983-03-31 | ||
JP58056325A JPS59180830A (ja) | 1983-03-31 | 1983-03-31 | 磁気記録媒体 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL8400769A NL8400769A (nl) | 1984-10-16 |
NL189785B NL189785B (nl) | 1993-02-16 |
NL189785C true NL189785C (nl) | 1993-07-16 |
Family
ID=13024024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE8400769,A NL189785C (nl) | 1983-03-31 | 1984-03-09 | Magnetisch registreermedium, en werkwijze voor het produceren van een bekleed ferromagnetisch poeder. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4501795A (de) |
JP (1) | JPS59180830A (de) |
DE (1) | DE3411880A1 (de) |
NL (1) | NL189785C (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3502852C2 (de) * | 1984-02-01 | 1999-06-24 | Tdk Corp | Magnetisches Aufzeichnungsmaterial |
US4687705A (en) * | 1984-05-08 | 1987-08-18 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
US4668283A (en) * | 1984-06-25 | 1987-05-26 | Mitsui Toatsu Chemicals, Incorporated | Magnetic powder and production process thereof |
JPS6148503A (ja) * | 1984-08-15 | 1986-03-10 | Tdk Corp | 金属磁性粉末 |
JPS61115237A (ja) * | 1984-11-12 | 1986-06-02 | Victor Co Of Japan Ltd | 磁気記録媒体 |
EP0193084B1 (de) * | 1985-03-01 | 1988-04-20 | Sumitomo Bayer Urethane Co.Ltd: | Magnetischer Aufzeichnungsträger, Verfahren zur Herstellung eines magnetischen Aufzeichnungsträgers und Binderzusammensetzung dafür |
KR900002991B1 (en) * | 1985-05-29 | 1990-05-04 | Victor Company Of Japan | Magnetic recording carrier |
JP2523279B2 (ja) * | 1986-05-02 | 1996-08-07 | ティーディーケイ株式会社 | 磁気記録媒体およびその製造方法 |
US4719121A (en) * | 1986-06-16 | 1988-01-12 | Dow Corning Corporation | Method of making a magnetic recording medium and composition |
US4732812A (en) * | 1986-06-23 | 1988-03-22 | Minnesota Mining And Manufacturing Company | Magnetic recording medium |
US4640790A (en) * | 1986-07-14 | 1987-02-03 | Dow Corning Corporation | Dispersant composition for magnetic media |
JPH0684420B2 (ja) * | 1986-12-26 | 1994-10-26 | 三菱レイヨン株式会社 | 活性エネルギ−線硬化性樹脂組成物 |
GB8710107D0 (en) * | 1987-04-29 | 1987-06-03 | Ici Plc | Fillers |
US4780148A (en) * | 1988-01-25 | 1988-10-25 | Dow Corning Corporation | Stabilized magnetic metal pigment |
US4961959A (en) * | 1988-03-23 | 1990-10-09 | Dow Corning Corporation | Quaternary ammonium salt of an alkoxysilane as a dispersant for magnetic pigment |
JP2831672B2 (ja) * | 1989-01-18 | 1998-12-02 | 花王株式会社 | 磁気記録媒体 |
NZ234273A (en) * | 1989-07-05 | 1992-03-26 | Basf Corp | Compounds for improving the dispersability of micaceous particulates in aqueous coating compositions |
JP2806578B2 (ja) * | 1989-12-11 | 1998-09-30 | 日本ゼオン株式会社 | 磁気記録媒体 |
CA2042155A1 (en) * | 1990-05-29 | 1991-11-30 | Clint W. Carpenter | Surface-modified micaceous particulates having improved dispersibility in aqueous media |
US5371166A (en) * | 1993-12-22 | 1994-12-06 | The B. F. Goodrich Company | Polyurethane composition for use as a dispersing binder |
US6063303A (en) * | 1996-08-21 | 2000-05-16 | Tdk Corporation | Magnetic powder and magnetic molded article |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5744223A (en) * | 1980-08-28 | 1982-03-12 | Toyo Ink Mfg Co Ltd | Magnetic recording medium |
-
1983
- 1983-03-31 JP JP58056325A patent/JPS59180830A/ja active Granted
-
1984
- 1984-02-21 US US06/581,764 patent/US4501795A/en not_active Expired - Fee Related
- 1984-03-09 NL NLAANVRAGE8400769,A patent/NL189785C/xx not_active IP Right Cessation
- 1984-03-30 DE DE19843411880 patent/DE3411880A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
US4501795A (en) | 1985-02-26 |
DE3411880A1 (de) | 1984-10-31 |
NL189785B (nl) | 1993-02-16 |
NL8400769A (nl) | 1984-10-16 |
JPH038017B2 (de) | 1991-02-05 |
JPS59180830A (ja) | 1984-10-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A85 | Still pending on 85-01-01 | ||
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |
Effective date: 19951001 |