FR891566A - Process for the production of magnetic sound recording backing layers - Google Patents

Process for the production of magnetic sound recording backing layers

Info

Publication number
FR891566A
FR891566A FR891566DA FR891566A FR 891566 A FR891566 A FR 891566A FR 891566D A FR891566D A FR 891566DA FR 891566 A FR891566 A FR 891566A
Authority
FR
France
Prior art keywords
production
sound recording
backing layers
magnetic sound
recording backing
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
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.)
IG Farbenindustrie AG
Original Assignee
IG Farbenindustrie AG
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 IG Farbenindustrie AG filed Critical IG Farbenindustrie AG
Application granted granted Critical
Publication of FR891566A publication Critical patent/FR891566A/en
Expired 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
    • G11B5/842—Coating a support with a liquid magnetic dispersion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
FR891566D 1942-02-26 1943-02-26 Process for the production of magnetic sound recording backing layers Expired FR891566A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE891566X 1942-02-26

Publications (1)

Publication Number Publication Date
FR891566A true FR891566A (en) 1944-03-10

Family

ID=6845958

Family Applications (1)

Application Number Title Priority Date Filing Date
FR891566D Expired FR891566A (en) 1942-02-26 1943-02-26 Process for the production of magnetic sound recording backing layers

Country Status (1)

Country Link
FR (1) FR891566A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044258A2 (en) * 1980-07-16 1982-01-20 EASTMAN KODAK COMPANY (a New Jersey corporation) Magnetic recording elements, process for making the same and their use in recording
EP0043882A1 (en) * 1980-07-16 1982-01-20 Kodak-Pathe Magnetic recording element, process for making the same and its use in recording

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0044258A2 (en) * 1980-07-16 1982-01-20 EASTMAN KODAK COMPANY (a New Jersey corporation) Magnetic recording elements, process for making the same and their use in recording
EP0043882A1 (en) * 1980-07-16 1982-01-20 Kodak-Pathe Magnetic recording element, process for making the same and its use in recording
EP0044258A3 (en) * 1980-07-16 1982-01-27 Eastman Kodak Company Magnetic recording elements, process for making the same and their use in recording

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