GB1092910A - Improvements relating to the preparation of master recording discs - Google Patents

Improvements relating to the preparation of master recording discs

Info

Publication number
GB1092910A
GB1092910A GB795464A GB795464A GB1092910A GB 1092910 A GB1092910 A GB 1092910A GB 795464 A GB795464 A GB 795464A GB 795464 A GB795464 A GB 795464A GB 1092910 A GB1092910 A GB 1092910A
Authority
GB
United Kingdom
Prior art keywords
preparation
master recording
improvements relating
recording discs
combination
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
GB795464A
Inventor
William Soby
Patrick Allan Nelson Marchant
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries Ltd
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 EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Priority to GB795464A priority Critical patent/GB1092910A/en
Publication of GB1092910A publication Critical patent/GB1092910A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers
    • G11B3/705—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers characterised by the selection of the material only
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/68—Record carriers
    • G11B3/70—Record carriers characterised by the selection of material or structure; Processes or apparatus specially adapted for manufacturing record carriers

Landscapes

  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A film for use on the recording surface of a master recording disc (see Division G5R) comprises cellulose acetate butyrate in combination with di-octyl phthalate, epoxidized linseed oil and di-tridecyl phthalate, or in combination with other epoxidized oils.
GB795464A 1964-02-26 1964-02-26 Improvements relating to the preparation of master recording discs Expired GB1092910A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB795464A GB1092910A (en) 1964-02-26 1964-02-26 Improvements relating to the preparation of master recording discs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB795464A GB1092910A (en) 1964-02-26 1964-02-26 Improvements relating to the preparation of master recording discs

Publications (1)

Publication Number Publication Date
GB1092910A true GB1092910A (en) 1967-11-29

Family

ID=9842978

Family Applications (1)

Application Number Title Priority Date Filing Date
GB795464A Expired GB1092910A (en) 1964-02-26 1964-02-26 Improvements relating to the preparation of master recording discs

Country Status (1)

Country Link
GB (1) GB1092910A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021252251A1 (en) * 2020-06-08 2021-12-16 Eastman Chemical Company Plasticized cellulose ester compositions

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021252251A1 (en) * 2020-06-08 2021-12-16 Eastman Chemical Company Plasticized cellulose ester compositions
CN116096821A (en) * 2020-06-08 2023-05-09 伊士曼化工公司 Plasticized cellulose ester compositions

Similar Documents

Publication Publication Date Title
AU443714B2 (en) Disc brake assemblies
CA943475A (en) High temperature brake disc
CA942690A (en) Disc brake
AU468774B2 (en) Disc brakes
CA976891A (en) Disc brake
AU463118B2 (en) Disc brake
GB1092910A (en) Improvements relating to the preparation of master recording discs
CA948115A (en) Record changer
CS193468B2 (en) Braking device with two disc brakes
CA948559A (en) Phonograph record changer
AU468754B2 (en) Disc brakes
CA990412A (en) File organization on direct access disk device
CA969872A (en) Record changer spindle
CA951255A (en) Bicycle disc brake
CA879514A (en) Disc brake
CA951256A (en) Disk brake assembly
CA864903A (en) Disc brake with quick change lining structure
CA863573A (en) Tool for use with disc brakes
CA872055A (en) Spot-type disk brake
CA861303A (en) Disc brake
CA878295A (en) Disc brake
CA872057A (en) Brake disc
CA883623A (en) Disc brake
CA880128A (en) Disc brake
CA872621A (en) Disc brake