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AU478311B2 - Smooth grooves for information storing discs - Google Patents
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AU478311B2 - Smooth grooves for information storing discs - Google Patents

Smooth grooves for information storing discs

Info

Publication number
AU478311B2
AU478311B2 AU64771/74A AU6477174A AU478311B2 AU 478311 B2 AU478311 B2 AU 478311B2 AU 64771/74 A AU64771/74 A AU 64771/74A AU 6477174 A AU6477174 A AU 6477174A AU 478311 B2 AU478311 B2 AU 478311B2
Authority
AU
Australia
Prior art keywords
information storing
smooth grooves
storing discs
discs
smooth
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
AU64771/74A
Other versions
AU6477174A (en
Inventor
William Musker Richard
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
Priority claimed from US05/327,804 external-priority patent/US4113897A/en
Application filed by RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of AU478311B2 publication Critical patent/AU478311B2/en
Publication of AU6477174A publication Critical patent/AU6477174A/en
Expired legal-status Critical Current

Links

AU64771/74A 1973-01-29 1974-01-23 Smooth grooves for information storing discs Expired AU478311B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/327,804 US4113897A (en) 1973-01-29 1973-01-29 Smooth groove formation method employing spin coating of negative replica of inscribed disc
USUS327,804 1973-01-29

Publications (2)

Publication Number Publication Date
AU478311B2 true AU478311B2 (en) 1975-07-24
AU6477174A AU6477174A (en) 1975-07-24

Family

ID=

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