JP2014017031A5 - - Google Patents
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- JP2014017031A5 JP2014017031A5 JP2012152957A JP2012152957A JP2014017031A5 JP 2014017031 A5 JP2014017031 A5 JP 2014017031A5 JP 2012152957 A JP2012152957 A JP 2012152957A JP 2012152957 A JP2012152957 A JP 2012152957A JP 2014017031 A5 JP2014017031 A5 JP 2014017031A5
- Authority
- JP
- Japan
- Prior art keywords
- information signal
- layer
- layers
- light irradiation
- medium according
- 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.)
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- 239000010410 layer Substances 0.000 claims 23
- 230000003287 optical effect Effects 0.000 claims 9
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims 3
- 239000000463 material Substances 0.000 claims 3
- 239000011241 protective layer Substances 0.000 claims 2
- 238000002834 transmittance Methods 0.000 claims 2
- 239000003989 dielectric material Substances 0.000 claims 1
- 229910052763 palladium Inorganic materials 0.000 claims 1
- 239000002356 single layer Substances 0.000 claims 1
Claims (9)
上記２層の情報信号層は、同一組成の記録材料により構成される、光の照射により情報信号を記録可能である記録層を含んでいる光情報記録媒体。 Comprising at least two information signal layers;
The two information signal layers are optical information recording media including a recording layer that is made of a recording material having the same composition and that can record an information signal by light irradiation.
上記２層の情報信号層は、上記光照射面から遠い第１の情報信号層と、上記光照射面から近い第２の情報信号層とからなり、
上記光照射面側における上記第１の情報信号層の反射率Ｒ０および上記第２の情報信号層の反射率Ｒ１は、２％≦Ｒ１≦２Ｒ０の関係を満たす請求項１に記載の光情報記録媒体。 A light irradiation surface on which light for recording or reproducing information signals is irradiated;
The two information signal layers are composed of a first information signal layer far from the light irradiation surface and a second information signal layer near the light irradiation surface,
2. The optical information recording according to claim 1, wherein the reflectance R0 of the first information signal layer and the reflectance R1 of the second information signal layer on the light irradiation surface side satisfy a relationship of 2% ≦ R1 ≦ 2R0. Medium.
上記光照射面側における上記２層の情報信号層の反射率は、２％以上１０％以下の範囲内であり、
上記２層の情報信号層の透過率は、７１％以上８１％以下の範囲内である請求項１に記載の光情報記録媒体。 A light irradiation surface on which light for recording or reproducing information signals is irradiated;
The reflectance of the two information signal layers on the light irradiation surface side is in the range of 2% to 10%,
2. The optical information recording medium according to claim 1, wherein the transmittance of the two information signal layers is in a range of 71% to 81%.
上記２層の情報信号層の透過率は、７１％以上８１％以下の範囲内である請求項１に記載の光情報記録媒体。 The reflectance of the two information signal layers in a single layer state is in the range of 4% to 10%,
2. The optical information recording medium according to claim 1, wherein the transmittance of the two information signal layers is in a range of 71% to 81%.
上記２層の情報信号層を構成する各層が、同一の組成を有している請求項１から４のいずれかに記載の光情報記録媒体。 The two information signal layers have the same layer structure,
The layers constituting the information signal layer of the two layers, the optical information recording medium according to claim 1 having the same composition in any of 4.
上記２層の情報信号層の保護層は、同一組成の材料により構成されている請求項１から４のいずれかに記載の光情報記録媒体。 The two information signal layers further include a protective layer provided on at least one of the surfaces of the recording layer,
Protective layer of the information signal layer of the two layers, the optical information recording medium according to claim 1 which is made of a material of the same composition in any of the four.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012152957A JP2014017031A (en) | 2012-07-06 | 2012-07-06 | Optical information recording medium |
| TW102119449A TWI524339B (en) | 2012-07-06 | 2013-05-31 | Optical information recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012152957A JP2014017031A (en) | 2012-07-06 | 2012-07-06 | Optical information recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014017031A JP2014017031A (en) | 2014-01-30 |
| JP2014017031A5 true JP2014017031A5 (en) | 2015-03-19 |
Family
ID=50111577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012152957A Pending JP2014017031A (en) | 2012-07-06 | 2012-07-06 | Optical information recording medium |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2014017031A (en) |
| TW (1) | TWI524339B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4417667A1 (en) | 2014-01-31 | 2024-08-21 | Agc Inc. | Working fluid for heat cycle, composition for heat cycle system, and heat cycle system |
| EP3653684A1 (en) | 2014-01-31 | 2020-05-20 | Agc Inc. | Working fluid for heat cycle, composition for heat cycle system, and heat cycle system |
| TWI665665B (en) * | 2014-02-14 | 2019-07-11 | 日商新力股份有限公司 | Optical recording medium with plural recording layers capable of suppressing off track |
| TWI788518B (en) * | 2018-03-05 | 2023-01-01 | 日商索尼股份有限公司 | Recording layer for optical recording medium, and optical recording medium |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1320541C (en) * | 2002-09-18 | 2007-06-06 | 松下电器产业株式会社 | Optical information recording medium and manufacturing method thereof |
| JP4525647B2 (en) * | 2006-08-23 | 2010-08-18 | Ｔｄｋ株式会社 | Multilayer optical recording medium |
| JP5726557B2 (en) * | 2010-04-19 | 2015-06-03 | ソニー株式会社 | Optical recording medium |
-
2012
- 2012-07-06 JP JP2012152957A patent/JP2014017031A/en active Pending
-
2013
- 2013-05-31 TW TW102119449A patent/TWI524339B/en not_active IP Right Cessation
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