FR1546954A - Method for etching a groove on the surface of a signal recording medium - Google Patents

Method for etching a groove on the surface of a signal recording medium

Info

Publication number
FR1546954A
FR1546954A FR131030A FR131030A FR1546954A FR 1546954 A FR1546954 A FR 1546954A FR 131030 A FR131030 A FR 131030A FR 131030 A FR131030 A FR 131030A FR 1546954 A FR1546954 A FR 1546954A
Authority
FR
France
Prior art keywords
etching
groove
recording medium
signal recording
signal
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
FR131030A
Other languages
French (fr)
Inventor
Horst Redlich
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.)
TELDEC Telefunken Decca Schallplatten GmbH
Original Assignee
TELDEC Telefunken Decca Schallplatten GmbH
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 TELDEC Telefunken Decca Schallplatten GmbH filed Critical TELDEC Telefunken Decca Schallplatten GmbH
Priority to FR131030A priority Critical patent/FR1546954A/en
Application granted granted Critical
Publication of FR1546954A publication Critical patent/FR1546954A/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
    • 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
    • G11B3/72—Groove formations, e.g. run-in groove, run-out groove
FR131030A 1966-12-22 1967-12-05 Method for etching a groove on the surface of a signal recording medium Expired FR1546954A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR131030A FR1546954A (en) 1966-12-22 1967-12-05 Method for etching a groove on the surface of a signal recording medium

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DER0044880 1966-12-22
FR131030A FR1546954A (en) 1966-12-22 1967-12-05 Method for etching a groove on the surface of a signal recording medium

Publications (1)

Publication Number Publication Date
FR1546954A true FR1546954A (en) 1968-11-22

Family

ID=25992059

Family Applications (1)

Application Number Title Priority Date Filing Date
FR131030A Expired FR1546954A (en) 1966-12-22 1967-12-05 Method for etching a groove on the surface of a signal recording medium

Country Status (1)

Country Link
FR (1) FR1546954A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2411461A1 (en) * 1977-12-12 1979-07-06 Dolby Ray PROCESS FOR REPRODUCING RECORDINGS ON DISC ALLOWING TO COMPENSATE CERTAIN MECHANICAL IMPERFECTIONS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2411461A1 (en) * 1977-12-12 1979-07-06 Dolby Ray PROCESS FOR REPRODUCING RECORDINGS ON DISC ALLOWING TO COMPENSATE CERTAIN MECHANICAL IMPERFECTIONS

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