JP2002230747A5 - - Google Patents

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Publication number
JP2002230747A5
JP2002230747A5 JP2001023420A JP2001023420A JP2002230747A5 JP 2002230747 A5 JP2002230747 A5 JP 2002230747A5 JP 2001023420 A JP2001023420 A JP 2001023420A JP 2001023420 A JP2001023420 A JP 2001023420A JP 2002230747 A5 JP2002230747 A5 JP 2002230747A5
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JP
Japan
Prior art keywords
less
mold
glass substrate
hard disk
disk glass
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.)
Withdrawn
Application number
JP2001023420A
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English (en)
Japanese (ja)
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JP2002230747A (ja
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Publication date
Application filed filed Critical
Priority to JP2001023420A priority Critical patent/JP2002230747A/ja
Priority claimed from JP2001023420A external-priority patent/JP2002230747A/ja
Publication of JP2002230747A publication Critical patent/JP2002230747A/ja
Publication of JP2002230747A5 publication Critical patent/JP2002230747A5/ja
Withdrawn legal-status Critical Current

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JP2001023420A 2001-01-31 2001-01-31 ハードディスクガラス基板成形用金型 Withdrawn JP2002230747A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001023420A JP2002230747A (ja) 2001-01-31 2001-01-31 ハードディスクガラス基板成形用金型

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001023420A JP2002230747A (ja) 2001-01-31 2001-01-31 ハードディスクガラス基板成形用金型

Publications (2)

Publication Number Publication Date
JP2002230747A JP2002230747A (ja) 2002-08-16
JP2002230747A5 true JP2002230747A5 (enExample) 2008-03-06

Family

ID=18888711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001023420A Withdrawn JP2002230747A (ja) 2001-01-31 2001-01-31 ハードディスクガラス基板成形用金型

Country Status (1)

Country Link
JP (1) JP2002230747A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6962702B2 (ja) * 2017-03-31 2021-11-05 Hoya株式会社 プレス成形処理用型、ガラスブランクの製造方法、および磁気ディスク用ガラス基板の製造方法

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