ZA706571B - Method of making duplicates of optical or sound recordings - Google Patents

Method of making duplicates of optical or sound recordings

Info

Publication number
ZA706571B
ZA706571B ZA706571A ZA706571A ZA706571B ZA 706571 B ZA706571 B ZA 706571B ZA 706571 A ZA706571 A ZA 706571A ZA 706571 A ZA706571 A ZA 706571A ZA 706571 B ZA706571 B ZA 706571B
Authority
ZA
South Africa
Prior art keywords
optical
sound recordings
making duplicates
duplicates
making
Prior art date
Application number
ZA706571A
Inventor
N Feldstein
Original Assignee
Rca Corp
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 Rca Corp filed Critical Rca Corp
Publication of ZA706571B publication Critical patent/ZA706571B/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/80—Television signal recording using electrostatic recording
    • H04N5/82—Television signal recording using electrostatic recording using deformable thermoplastic recording medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
    • B41C3/00—Reproduction or duplicating of printing formes
    • B41C3/08—Electrotyping; Application of backing layers thereon
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1603—Process or apparatus coating on selected surface areas
    • C23C18/1605—Process or apparatus coating on selected surface areas by masking
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/022—Layers for surface-deformation imaging, e.g. frost imaging
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/0057—Intermediate mediums, i.e. mediums provided with an information structure not specific to the method of reproducing or duplication such as matrixes for mechanical pressing of an information structure ; record carriers having a relief information structure provided with or included in layers not specific for a single reproducing method; apparatus or processes specially adapted for their manufacture

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Multimedia (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemically Coating (AREA)
  • Manufacturing Optical Record Carriers (AREA)
  • Holo Graphy (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Electroplating Methods And Accessories (AREA)
ZA706571A 1969-09-29 1970-09-25 Method of making duplicates of optical or sound recordings ZA706571B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86201969A 1969-09-29 1969-09-29

Publications (1)

Publication Number Publication Date
ZA706571B true ZA706571B (en) 1971-05-27

Family

ID=25337416

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA706571A ZA706571B (en) 1969-09-29 1970-09-25 Method of making duplicates of optical or sound recordings

Country Status (12)

Country Link
JP (1) JPS4947615B1 (en)
BE (1) BE756765A (en)
CA (1) CA942681A (en)
CH (1) CH561115A5 (en)
DE (1) DE2046567A1 (en)
DK (1) DK139232B (en)
ES (1) ES383863A1 (en)
FR (1) FR2062656A5 (en)
GB (1) GB1326767A (en)
NL (1) NL7014243A (en)
SE (1) SE367786B (en)
ZA (1) ZA706571B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313580B2 (en) * 1973-02-08 1978-05-11
US4405670A (en) * 1982-05-28 1983-09-20 Rca Corporation Capacitance electronic disc stamper having improved stain resistance and method for the manufacture thereof
FR2554626A1 (en) * 1983-11-08 1985-05-10 Oreshkin Valery Method of obtaining a matrix for copying a magnetic recording, matrix obtained by the said method, method of copying a magnetic recording by means of this matrix, and magnetic recording medium carrying the recording obtained by the said copying method
FR2630570B1 (en) * 1988-04-21 1990-08-17 Mitev Stoyan MATRIX FOR THE MANUFACTURE OF OPTICAL DISCS

Also Published As

Publication number Publication date
BE756765A (en) 1971-03-01
DK139232C (en) 1979-06-18
CA942681A (en) 1974-02-26
CH561115A5 (en) 1975-04-30
FR2062656A5 (en) 1971-06-25
ES383863A1 (en) 1973-08-16
DE2046567A1 (en) 1971-04-01
SE367786B (en) 1974-06-10
JPS4947615B1 (en) 1974-12-17
NL7014243A (en) 1971-03-31
GB1326767A (en) 1973-08-15
DK139232B (en) 1979-01-15

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