JP2000048384A - 円盤状情報記録媒体の面ぶれ測定装置および面ぶれ測定方法 - Google Patents

円盤状情報記録媒体の面ぶれ測定装置および面ぶれ測定方法

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Publication number
JP2000048384A
JP2000048384A JP10211340A JP21134098A JP2000048384A JP 2000048384 A JP2000048384 A JP 2000048384A JP 10211340 A JP10211340 A JP 10211340A JP 21134098 A JP21134098 A JP 21134098A JP 2000048384 A JP2000048384 A JP 2000048384A
Authority
JP
Japan
Prior art keywords
measuring
light reflecting
reflecting surface
lens
disc
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.)
Abandoned
Application number
JP10211340A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000048384A5 (enExample
Inventor
Shingo Imanishi
慎悟 今西
Takeshi Yamazaki
剛 山崎
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP10211340A priority Critical patent/JP2000048384A/ja
Publication of JP2000048384A publication Critical patent/JP2000048384A/ja
Publication of JP2000048384A5 publication Critical patent/JP2000048384A5/ja
Abandoned legal-status Critical Current

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  • Optical Recording Or Reproduction (AREA)
JP10211340A 1998-07-27 1998-07-27 円盤状情報記録媒体の面ぶれ測定装置および面ぶれ測定方法 Abandoned JP2000048384A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10211340A JP2000048384A (ja) 1998-07-27 1998-07-27 円盤状情報記録媒体の面ぶれ測定装置および面ぶれ測定方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10211340A JP2000048384A (ja) 1998-07-27 1998-07-27 円盤状情報記録媒体の面ぶれ測定装置および面ぶれ測定方法

Publications (2)

Publication Number Publication Date
JP2000048384A true JP2000048384A (ja) 2000-02-18
JP2000048384A5 JP2000048384A5 (enExample) 2005-10-20

Family

ID=16604352

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10211340A Abandoned JP2000048384A (ja) 1998-07-27 1998-07-27 円盤状情報記録媒体の面ぶれ測定装置および面ぶれ測定方法

Country Status (1)

Country Link
JP (1) JP2000048384A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1162610A3 (en) * 2000-05-24 2003-01-02 Sony Corporation Focus error correction from tilt measurement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1162610A3 (en) * 2000-05-24 2003-01-02 Sony Corporation Focus error correction from tilt measurement
US6568289B2 (en) 2000-05-24 2003-05-27 Sony Corporation Planar shape characteristic measuring apparatus and planar shape characteristic measuring method

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