CA942681A - Method of making duplicates of optical or sound recordings - Google Patents

Method of making duplicates of optical or sound recordings

Info

Publication number
CA942681A
CA942681A CA090,764A CA90764A CA942681A CA 942681 A CA942681 A CA 942681A CA 90764 A CA90764 A CA 90764A CA 942681 A CA942681 A CA 942681A
Authority
CA
Canada
Prior art keywords
optical
sound recordings
making duplicates
duplicates
making
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
CA090,764A
Other languages
English (en)
Inventor
Nathan Feldstein
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.)
RCA Corp
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
Application granted granted Critical
Publication of CA942681A publication Critical patent/CA942681A/en
Expired legal-status Critical Current

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)
CA090,764A 1969-09-29 1970-08-13 Method of making duplicates of optical or sound recordings Expired CA942681A (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
CA942681A true CA942681A (en) 1974-02-26

Family

ID=25337416

Family Applications (1)

Application Number Title Priority Date Filing Date
CA090,764A Expired CA942681A (en) 1969-09-29 1970-08-13 Method of making duplicates of optical or sound recordings

Country Status (12)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313580B2 (xx) * 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 (fr) * 1983-11-08 1985-05-10 Oreshkin Valery Procede d'obtention d'une matrice pour le tirage d'un enregistrement magnetique, matrice obtenue par ledit procede, procede de tirage d'un enregistrement magnetique au moyen de cette matrice, et porteur d'enregistrement magnetique comportant l'enregistrement obtenu par ledit procede de tirage
FR2630570B1 (fr) * 1988-04-21 1990-08-17 Mitev Stoyan Matrice pour la fabrication de disques optiques

Also Published As

Publication number Publication date
BE756765A (fr) 1971-03-01
DK139232C (xx) 1979-06-18
CH561115A5 (xx) 1975-04-30
FR2062656A5 (xx) 1971-06-25
ES383863A1 (es) 1973-08-16
DE2046567A1 (de) 1971-04-01
SE367786B (xx) 1974-06-10
JPS4947615B1 (xx) 1974-12-17
NL7014243A (xx) 1971-03-31
GB1326767A (en) 1973-08-15
ZA706571B (en) 1971-05-27
DK139232B (da) 1979-01-15

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