GB715966A - Improvements in or relating to recording tapes having a metal layer applied for example by vapour deposition - Google Patents

Improvements in or relating to recording tapes having a metal layer applied for example by vapour deposition

Info

Publication number
GB715966A
GB715966A GB64652A GB64652A GB715966A GB 715966 A GB715966 A GB 715966A GB 64652 A GB64652 A GB 64652A GB 64652 A GB64652 A GB 64652A GB 715966 A GB715966 A GB 715966A
Authority
GB
United Kingdom
Prior art keywords
vapour deposition
relating
metal layer
layer applied
recording tapes
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
GB64652A
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of GB715966A publication Critical patent/GB715966A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/24—Ablative recording, e.g. by burning marks; Spark recording
    • B41M5/245—Electroerosion or spark recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor

Landscapes

  • Physical Vapour Deposition (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

A recording strip or tape adapted to have a trace burnt or etched therein by an electric current comprises a strip or tape of flexible and electrically non-conducting material such as paper or a thermoplastic upon which is applied, for example by vapour deposition, a layer of metal or alloy whose melting point is lower than that of pure cadmium, the layer being approximately 0.2 microns or less in thickness. Tin and a cadmium-zinc alloy containing for example 80 per cent. Cd and 20 per cent. Zn are stated to be particularly useful. Specifications 389,440, 613,222, 650,758 and 663,251 are referred to.
GB64652A 1951-01-11 1952-01-09 Improvements in or relating to recording tapes having a metal layer applied for example by vapour deposition Expired GB715966A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1951B0013314 DE848966C (en) 1951-01-11 1951-01-11 Tape-shaped recording medium with a vapor-deposited metal layer

Publications (1)

Publication Number Publication Date
GB715966A true GB715966A (en) 1954-09-22

Family

ID=6957502

Family Applications (1)

Application Number Title Priority Date Filing Date
GB64652A Expired GB715966A (en) 1951-01-11 1952-01-09 Improvements in or relating to recording tapes having a metal layer applied for example by vapour deposition

Country Status (5)

Country Link
CH (1) CH297459A (en)
DE (1) DE848966C (en)
FR (1) FR1049052A (en)
GB (1) GB715966A (en)
NL (1) NL166577C (en)

Also Published As

Publication number Publication date
DE848966C (en) 1952-09-11
FR1049052A (en) 1953-12-28
NL166577C (en)
CH297459A (en) 1954-03-31

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