BE795896A - Materiau pour l'enregistrement magnetique a plusieurs couches et son procede de preparation - Google Patents
Materiau pour l'enregistrement magnetique a plusieurs couches et son procede de preparationInfo
- Publication number
- BE795896A BE795896A BE795896DA BE795896A BE 795896 A BE795896 A BE 795896A BE 795896D A BE795896D A BE 795896DA BE 795896 A BE795896 A BE 795896A
- Authority
- BE
- Belgium
- Prior art keywords
- preparation
- magnetic recording
- layer magnetic
- layer
- recording
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/74—Applying photosensitive compositions to the base; Drying processes therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/007—Slide-hopper coaters, i.e. apparatus in which the liquid or other fluent material flows freely on an inclined surface before contacting the work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/16—Articles comprising two or more components, e.g. co-extruded layers
- B29C48/18—Articles comprising two or more components, e.g. co-extruded layers the components being layers
- B29C48/21—Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/305—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets
- B29C48/307—Extrusion nozzles or dies having a wide opening, e.g. for forming sheets specially adapted for bringing together components, e.g. melts within the die
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
-
- 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
-
- 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
- G11B5/716—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 two or more magnetic layers
-
- 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
- G11B5/842—Coating a support with a liquid magnetic dispersion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C1/00—Photosensitive materials
- G03C1/74—Applying photosensitive compositions to the base; Drying processes therefor
- G03C2001/7481—Coating simultaneously multiple layers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Magnetic Record Carriers (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7206203A FR2172838B1 (fr) | 1972-02-24 | 1972-02-24 | |
FR7304704A FR2217758B1 (fr) | 1972-02-24 | 1973-02-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE795896A true BE795896A (fr) | 1973-08-23 |
Family
ID=26216929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE795896D BE795896A (fr) | 1972-02-24 | Materiau pour l'enregistrement magnetique a plusieurs couches et son procede de preparation |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5612937B2 (fr) |
BE (1) | BE795896A (fr) |
CA (1) | CA1048865A (fr) |
DE (2) | DE2309158C3 (fr) |
FR (2) | FR2172838B1 (fr) |
GB (2) | GB1417442A (fr) |
IT (1) | IT979420B (fr) |
NL (2) | NL7302673A (fr) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1429260A (en) * | 1973-10-12 | 1976-03-24 | Ciba Geigy Ag | Coating apparatus |
JPS5843815B2 (ja) * | 1975-10-23 | 1983-09-29 | 富士写真フイルム株式会社 | ジキキロクテ−プ |
US4001024A (en) * | 1976-03-22 | 1977-01-04 | Eastman Kodak Company | Method of multi-layer coating |
DE2752895A1 (de) * | 1976-12-06 | 1978-06-08 | Emi Ltd | Verfahren zur herstellung einer materialschicht, deren oberflaeche ein abtastbares muster aufweist, sowie sicherheitsdokumentensystem |
US4113903A (en) * | 1977-05-27 | 1978-09-12 | Polaroid Corporation | Method of multilayer coating |
GB2006977B (en) * | 1977-10-14 | 1982-02-24 | Eastman Kodak Co | Manufacture of coated paper |
DE2801452C2 (de) * | 1978-01-13 | 1985-03-28 | Agfa-Gevaert Ag, 5090 Leverkusen | Magnetisches Aufzeichnungsmaterial |
NL8220324A (nl) * | 1981-09-28 | 1983-08-01 | Sony Corp | Magnetisch registreermedium. |
JPS5856228A (ja) * | 1981-09-28 | 1983-04-02 | Sony Corp | 磁気記録媒体 |
DE3238905C2 (de) * | 1982-10-21 | 1986-01-23 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur Mehrfachbeschichtung von bewegten Gegenständen oder Bahnen |
DE3238904A1 (de) * | 1982-10-21 | 1984-04-26 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur mehrfachbeschichtung von bewegten bahnen |
JPS59172142A (ja) * | 1983-03-20 | 1984-09-28 | Hitachi Maxell Ltd | 磁気記録媒体 |
JPS59172144A (ja) * | 1983-03-20 | 1984-09-28 | Hitachi Maxell Ltd | 磁気記録媒体 |
JPS6070519A (ja) * | 1983-09-28 | 1985-04-22 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
DE3339780A1 (de) * | 1983-11-03 | 1985-05-15 | Sandy Hill Corp., Hudson Falls, N.Y. | Vorrichtung fuer das aufbringen einer steuerbaren schicht eines saettigungs- oder beschichtungsmittels mittels eines freifallenden vorhangs und verfahren hierfuer |
JPS6292132A (ja) * | 1985-10-18 | 1987-04-27 | Fuji Photo Film Co Ltd | 磁気記録媒体の製造方法 |
JPS62124631A (ja) * | 1985-11-26 | 1987-06-05 | Fuji Photo Film Co Ltd | 磁気記録媒体の塗布方法 |
JPH0690786B2 (ja) * | 1987-01-30 | 1994-11-14 | 富士写真フイルム株式会社 | 磁気記録媒体 |
DE3717882A1 (de) * | 1987-05-27 | 1988-12-08 | Basf Ag | Verfahren zum strukturfreien auftrag von dispersionen auf flexiblen traegermaterialien |
JP2581570B2 (ja) * | 1987-10-19 | 1997-02-12 | 富士写真フイルム株式会社 | ビデオ用磁気記録媒体 |
JP2581569B2 (ja) * | 1987-10-19 | 1997-02-12 | 富士写真フイルム株式会社 | オーディオテープもしくはビデオテープ |
JPH07119594B2 (ja) * | 1988-07-01 | 1995-12-20 | 富士写真フイルム株式会社 | 磁気記録媒体の膜厚測定方法 |
US5827600A (en) | 1991-01-21 | 1998-10-27 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
US5645917A (en) * | 1991-04-25 | 1997-07-08 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
US5143758A (en) * | 1991-03-28 | 1992-09-01 | Eastman Kodak Company | Coating by means of a coating hopper with coating slots where the coating composition has a low slot reynolds number |
DE69213115T3 (de) † | 1991-04-25 | 2005-05-19 | Fuji Photo Film Co., Ltd., Minami-Ashigara | Magnetische Aufzeichnungsträger |
JP2566096B2 (ja) † | 1992-04-14 | 1996-12-25 | 富士写真フイルム株式会社 | 磁気記録媒体 |
DE4234608C2 (de) * | 1992-08-07 | 1997-08-07 | Basf Magnetics Gmbh | Verfahren zur Herstellung eines magnetischen Aufzeichnungsträgers |
DE4226139A1 (de) * | 1992-08-07 | 1994-02-10 | Basf Magnetics Gmbh | Vorrichtung zur Herstellung eines magnetischen Aufzeichnungsträgers |
US5932330A (en) * | 1993-09-30 | 1999-08-03 | Imation Corp. | Coated magnetic recording medium, paint for coated magnetic medium and method for producing coated magnetic medium |
US6030695A (en) * | 1996-03-28 | 2000-02-29 | Imation Corp. | Coated magnetic recording medium, paint for coated magnetic medium and method for producing coated magnetic medium |
US5700524A (en) * | 1996-07-30 | 1997-12-23 | Eastman Kodak Company | High speed coating starts using a shear thinning top layer |
US6579592B1 (en) | 1996-11-29 | 2003-06-17 | Fuji Photo Film Co., Ltd | Magnetic recording tape with controlled Hc and magnetic flux/unit area value and controlled Cl/Fe intensity |
EP0962919A1 (fr) | 1997-02-10 | 1999-12-08 | Fuji Photo Film Co., Ltd. | Support d'enregistrement magnetique |
JPH10290946A (ja) | 1997-02-21 | 1998-11-04 | Konica Corp | 塗布方法及び塗布装置 |
US6432503B2 (en) | 1997-03-31 | 2002-08-13 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
DE69817697T2 (de) | 1997-06-30 | 2004-07-08 | Fuji Photo Film Co. Ltd., Minamiashigara | Magnetisches Aufzeichnungsmedium |
US6096406A (en) | 1997-07-15 | 2000-08-01 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
JPH11185240A (ja) | 1997-10-14 | 1999-07-09 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
JPH11197576A (ja) | 1998-01-08 | 1999-07-27 | Konica Corp | 塗布装置及び塗布方法 |
US6444290B1 (en) | 1998-06-11 | 2002-09-03 | Fuji Photo Film Co., Ltd. | Magnetic recording medium comprising a support containing a specific size filler and having a specific concentration of surface protrusions |
JP2000011352A (ja) | 1998-06-22 | 2000-01-14 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
AU2003246227A1 (en) | 2002-07-05 | 2004-01-23 | Hitachi Maxell, Ltd. | Magnetic tape |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH131599A (de) * | 1927-02-05 | 1929-02-28 | Nuera Art Silk Company Limited | Verfahren zur Herstellung von Zellulose-Häutchen, Bändern und Filmen. |
FR1270371A (fr) * | 1960-10-14 | 1961-08-25 | Philips Nv | Procédé de fabrication d'objets destinés à l'enregistrement et à la reproduction d'inscriptions magnétiques et objets ainsi fabriqués |
US3627564A (en) * | 1970-07-16 | 1971-12-14 | Eastman Kodak Co | Method for coating a continuous web |
-
0
- BE BE795896D patent/BE795896A/fr unknown
-
1972
- 1972-02-24 FR FR7206203A patent/FR2172838B1/fr not_active Expired
-
1973
- 1973-02-09 FR FR7304704A patent/FR2217758B1/fr not_active Expired
- 1973-02-22 GB GB873273A patent/GB1417442A/en not_active Expired
- 1973-02-22 GB GB873173A patent/GB1417765A/en not_active Expired
- 1973-02-23 CA CA73164476A patent/CA1048865A/fr not_active Expired
- 1973-02-23 IT IT7320784A patent/IT979420B/it active
- 1973-02-23 DE DE2309158A patent/DE2309158C3/de not_active Expired
- 1973-02-23 DE DE19732309159 patent/DE2309159A1/de not_active Withdrawn
- 1973-02-24 JP JP2260573A patent/JPS5612937B2/ja not_active Expired
- 1973-02-26 NL NL7302673A patent/NL7302673A/xx not_active Application Discontinuation
- 1973-02-26 NL NL7302674A patent/NL7302674A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2172838B1 (fr) | 1975-10-24 |
NL7302673A (fr) | 1973-08-28 |
FR2172838A1 (fr) | 1973-10-05 |
CA1048865A (fr) | 1979-02-20 |
FR2217758A1 (fr) | 1974-09-06 |
DE2309158B2 (de) | 1974-05-02 |
DE2309159A1 (de) | 1973-08-30 |
NL7302674A (fr) | 1973-08-28 |
GB1417765A (fr) | 1975-12-17 |
IT979420B (it) | 1974-09-30 |
GB1417442A (en) | 1975-12-10 |
JPS4898803A (fr) | 1973-12-14 |
DE2309158A1 (de) | 1973-09-13 |
DE2309158C3 (de) | 1981-06-11 |
FR2217758B1 (fr) | 1976-11-05 |
JPS5612937B2 (fr) | 1981-03-25 |
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