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
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)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemically Coating (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Holo Graphy (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Manufacturing Optical Record Carriers (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 (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
NL7014243A (en) 1971-03-31
FR2062656A5 (en) 1971-06-25
DE2046567A1 (en) 1971-04-01
GB1326767A (en) 1973-08-15
JPS4947615B1 (en) 1974-12-17
DK139232C (en) 1979-06-18
BE756765A (en) 1971-03-01
DK139232B (en) 1979-01-15
ZA706571B (en) 1971-05-27
CH561115A5 (en) 1975-04-30
ES383863A1 (en) 1973-08-16
SE367786B (en) 1974-06-10

Similar Documents

Publication Publication Date Title
CA929109A (en) Sound reproducing system
CA982055A (en) Sound reproducing system
CA976090A (en) Sound reproducing system
CA928626A (en) Method for the attenuation of sound
CA977727A (en) Manufacture of optical apparatus
CA942681A (en) Method of making duplicates of optical or sound recordings
AU456401B2 (en) Method of making duplicates of optical or sound recordings
CA948452A (en) Method for producing optical surfaces and elements
AU1966570A (en) Method of making duplicates of optical or sound recordings
CA989719A (en) Method of making sound attenuating laminates
CA965633A (en) Method of producing holograms
CA803624A (en) Sound reproducing apparatus
AU1527270A (en) Process forthe production of ferromanganese
CA824965A (en) Sound reproducing apparatus
CA949982A (en) Method of producing 2-chlorobutenes
CA827074A (en) Method of reflex reproduction
CA850754A (en) Optical recording of superimposed sound tracks
CA818167A (en) Optical components and method of making
CA920228A (en) Method of producing steel-weld constructions
CA826847A (en) Method of producing thermobatteries
CA813678A (en) Sound reproducing pick-up
CA830434A (en) Method of making an optical mask
CA815710A (en) Audio transducer
AU452668B2 (en) Method of producing polyolefins
CA797602A (en) Sound reproducing apparatus