JPS6414749A - Production of optical disk - Google Patents
Production of optical diskInfo
- Publication number
- JPS6414749A JPS6414749A JP17033787A JP17033787A JPS6414749A JP S6414749 A JPS6414749 A JP S6414749A JP 17033787 A JP17033787 A JP 17033787A JP 17033787 A JP17033787 A JP 17033787A JP S6414749 A JPS6414749 A JP S6414749A
- Authority
- JP
- Japan
- Prior art keywords
- optical disk
- film
- sputtering method
- recording
- durability
- 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.)
- Pending
Links
Landscapes
- Manufacturing Optical Record Carriers (AREA)
Abstract
PURPOSE:To stably obtain an optical disk which excels in the uniformity of a recording film, recording characteristics and durability by forming the recording film by a DC sputtering method. CONSTITUTION:The DC sputtering method is used at the time of producing the optical disk including a stage for forming the recording film on a substrate by sputtering. The optical disk subjected to the film formation by the DC sputtering method has the excellent uniformity in the film thickness distribution and compsn. in the disk, deceases the fluctuations between batches and is suppressed in the increase of BER even in a durability test. The mass production, on an industrial scale, of the optical disks each formed with the recording film having the excellent uniformity and durability and high recording characteristics on the substrate is thereby enabled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17033787A JPS6414749A (en) | 1987-07-08 | 1987-07-08 | Production of optical disk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17033787A JPS6414749A (en) | 1987-07-08 | 1987-07-08 | Production of optical disk |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6414749A true JPS6414749A (en) | 1989-01-18 |
Family
ID=15903062
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17033787A Pending JPS6414749A (en) | 1987-07-08 | 1987-07-08 | Production of optical disk |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6414749A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7110034B2 (en) | 2001-08-31 | 2006-09-19 | Canon Kabushiki Kaisha | Image pickup apparatus containing light adjustment portion with reflection of a portion of light onto adjacent pixels |
JP2008197233A (en) * | 2007-02-09 | 2008-08-28 | Toshiba Corp | Recording medium conveying mechanism |
WO2019065440A1 (en) | 2017-09-29 | 2019-04-04 | ミツミ電機株式会社 | Radar device |
-
1987
- 1987-07-08 JP JP17033787A patent/JPS6414749A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7110034B2 (en) | 2001-08-31 | 2006-09-19 | Canon Kabushiki Kaisha | Image pickup apparatus containing light adjustment portion with reflection of a portion of light onto adjacent pixels |
JP2008197233A (en) * | 2007-02-09 | 2008-08-28 | Toshiba Corp | Recording medium conveying mechanism |
WO2019065440A1 (en) | 2017-09-29 | 2019-04-04 | ミツミ電機株式会社 | Radar device |
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