GB1346673A - Method of data recording using silica-metal oxide record medium - Google Patents

Method of data recording using silica-metal oxide record medium

Info

Publication number
GB1346673A
GB1346673A GB4093271A GB4093271A GB1346673A GB 1346673 A GB1346673 A GB 1346673A GB 4093271 A GB4093271 A GB 4093271A GB 4093271 A GB4093271 A GB 4093271A GB 1346673 A GB1346673 A GB 1346673A
Authority
GB
United Kingdom
Prior art keywords
medium
silica
record medium
layer
substrate
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
GB4093271A
Other languages
English (en)
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 NCR Corp, National Cash Register Co filed Critical NCR Corp
Publication of GB1346673A publication Critical patent/GB1346673A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/18Working by laser beam, e.g. welding, cutting or boring using absorbing layers on the workpiece, e.g. for marking or protecting purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/28Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using thermochromic compounds or layers containing liquid crystals, microcapsules, bleachable dyes or heat- decomposable compounds, e.g. gas- liberating

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
GB4093271A 1970-09-14 1971-09-02 Method of data recording using silica-metal oxide record medium Expired GB1346673A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7223570A 1970-09-14 1970-09-14
US7223470A 1970-09-14 1970-09-14

Publications (1)

Publication Number Publication Date
GB1346673A true GB1346673A (en) 1974-02-13

Family

ID=26753139

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4093271A Expired GB1346673A (en) 1970-09-14 1971-09-02 Method of data recording using silica-metal oxide record medium

Country Status (3)

Country Link
DE (1) DE2145852C3 (enExample)
FR (1) FR2106492B1 (enExample)
GB (1) GB1346673A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8001731A (nl) * 1980-03-25 1981-10-16 Philips Nv Werkwijze voor het markeren van een kunststofoppervlak en voorwerp voorzien van een gemarkeerd kunststofoppervlak.

Also Published As

Publication number Publication date
FR2106492B1 (enExample) 1973-06-29
DE2145852B2 (de) 1973-11-08
FR2106492A1 (enExample) 1972-05-05
DE2145852C3 (de) 1974-06-12
DE2145852A1 (de) 1972-04-06

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees