FR1270371A - Process for the manufacture of articles intended for the recording and reproduction of magnetic inscriptions and articles thus manufactured - Google Patents

Process for the manufacture of articles intended for the recording and reproduction of magnetic inscriptions and articles thus manufactured

Info

Publication number
FR1270371A
FR1270371A FR841188A FR841188A FR1270371A FR 1270371 A FR1270371 A FR 1270371A FR 841188 A FR841188 A FR 841188A FR 841188 A FR841188 A FR 841188A FR 1270371 A FR1270371 A FR 1270371A
Authority
FR
France
Prior art keywords
articles
reproduction
recording
manufactured
manufacture
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.)
Expired
Application number
FR841188A
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Priority to FR841188A priority Critical patent/FR1270371A/en
Application granted granted Critical
Publication of FR1270371A publication Critical patent/FR1270371A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G19/00—Processes using magnetic patterns; Apparatus therefor, i.e. magnetography
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR841188A 1960-10-14 1960-10-14 Process for the manufacture of articles intended for the recording and reproduction of magnetic inscriptions and articles thus manufactured Expired FR1270371A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR841188A FR1270371A (en) 1960-10-14 1960-10-14 Process for the manufacture of articles intended for the recording and reproduction of magnetic inscriptions and articles thus manufactured

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR841188A FR1270371A (en) 1960-10-14 1960-10-14 Process for the manufacture of articles intended for the recording and reproduction of magnetic inscriptions and articles thus manufactured

Publications (1)

Publication Number Publication Date
FR1270371A true FR1270371A (en) 1961-08-25

Family

ID=8740785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841188A Expired FR1270371A (en) 1960-10-14 1960-10-14 Process for the manufacture of articles intended for the recording and reproduction of magnetic inscriptions and articles thus manufactured

Country Status (1)

Country Link
FR (1) FR1270371A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217758A1 (en) * 1972-02-24 1974-09-06 Kodak Pathe
FR2428886A1 (en) * 1978-06-13 1980-01-11 Cii Honeywell Bull MAGNETIC INFORMATION MEDIUM WITH PERPENDICULAR RECORDING

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2217758A1 (en) * 1972-02-24 1974-09-06 Kodak Pathe
FR2428886A1 (en) * 1978-06-13 1980-01-11 Cii Honeywell Bull MAGNETIC INFORMATION MEDIUM WITH PERPENDICULAR RECORDING

Similar Documents

Publication Publication Date Title
FR1248370A (en) Process for the production of acrolein and methacrolein
FR1143063A (en) Composition and manufacturing process of magnetic elements
FR1268647A (en) Zipper manufacturing process and resulting product
FR1240765A (en) Manufacturing process of recording discs
FR1270371A (en) Process for the manufacture of articles intended for the recording and reproduction of magnetic inscriptions and articles thus manufactured
FR1260011A (en) Magnetic recording process
FR1240322A (en) Manufacturing process of iron-silicon alloys with improved magnetic properties
FR1206119A (en) Manufacturing process for engraved recording discs
FR1247786A (en) Process for the production of acrolein and metacolein
CH380084A (en) Registration form and process for its manufacture
FR1296647A (en) Improvements in the manufacture of heavy esters
FR1258340A (en) Process for manufacturing springs or the like and articles thus obtained
FR1222514A (en) Magnetic recording agent and its manufacturing process
FR1178328A (en) Process for the manufacture of magnetic oxide and magnetic oxide thus obtained, more especially for magnetic memories
BE595945A (en) A method of manufacturing objects intended for the recording and reproduction of magnetic recordings.
FR1298051A (en) Process for manufacturing screens for reproducing images of cathode-ray tubes and tubes thus manufactured
FR1205976A (en) Further development in the manufacture of synthetic elastomers
BE591967A (en) Process for the manufacture of 2-nitro-4-fluorobenzoic and 4-nitro-2-fluorobenzoic acids.
FR1250698A (en) Method and device for the production of tapes suitable for magnetic recording
FR1195802A (en) Manufacturing process of magnetic sound recording discs
BE585028A (en) Magnetic recording process
FR1183593A (en) Acrylonitrile polymers and their manufacture
BE576781A (en) Double orientation "cube-on-face" magnetic sheets, and methods of manufacture.
FR1271131A (en) Improvements in the manufacture of articles in agglomerated materials
FR1236958A (en) Method of manufacturing magnetic recordings