公开(公告)号：US09911451B2

公开(公告)日：2018-03-06

申请号：US15115791

申请日：2015-01-28

Applicant: SONY CORPORATION

Inventor： Yo Ota ,  Kensaku Takahashi ,  Manami Miyawaki

IPC: G11B7/24 ,  G11B7/24062 ,  G11B7/24035 ,  G11B7/243 ,  G11B7/24076 ,  G11B7/007 ,  G11B7/26 ,  G11B7/24073 ,  G11B7/2433 ,  G11B7/24038 ,  G11B7/085

CPC classification number: G11B7/24062 ,  G11B7/00718 ,  G11B7/08541 ,  G11B7/24035 ,  G11B7/24038 ,  G11B7/24073 ,  G11B7/24076 ,  G11B7/243 ,  G11B7/2433 ,  G11B7/266 ,  G11B2007/24304 ,  G11B2007/24306 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/2432

Abstract: An optical recording medium includes a plurality of information signal layers on which information signals are to be optically recorded. Among the plurality of information signal layers, the information signal layer closest to the light-receiving surface has a reflectance of more than 4%.

公开(公告)号：US08846173B2

公开(公告)日：2014-09-30

申请号：US13914299

申请日：2013-06-10

Applicant: Sony Corporation

Inventor： Yo Ota ,  Shigeki Takagawa ,  Hiroshi Uchiyama

IPC: G11B7/24 ,  G11B7/243 ,  G11B7/24035

CPC classification number: G11B7/24035 ,  G11B7/243 ,  G11B2007/24306 ,  Y10T428/21 ,  Y10T428/31678

Abstract: There is provided an optical recording medium including a substrate, an information recording layer that is formed on the substrate and has a single film structure formed by an oxide including W and Ru, and a light transmissive layer that is formed on the information recording layer.

Abstract translation: 提供了一种光记录介质，其包括基板，形成在基板上并具有由包含W和Ru的氧化物形成的单个膜结构的信息记录层以及形成在信息记录层上的透光层。

公开(公告)号：US20140050877A1

公开(公告)日：2014-02-20

申请号：US13959046

申请日：2013-08-05

Applicant: Sony Corporation

Inventor： Yo Ota ,  Shiori Tashiro ,  Koichi Yasuda ,  Hiroshi Uchiyama ,  Shinya Narumi ,  Kenji Takayanagi ,  Mitsuaki Oyamada ,  Tetsuhiro Sakamoto

IPC: G11B7/2403

CPC classification number: G11B7/2403 ,  G11B7/24038 ,  G11B7/24044 ,  G11B7/244 ,  G11B7/257

Abstract: There is provided an optical information recording medium including a plurality of laminated resin layers, and an inorganic layer that is formed in an interface between the resin layers. Storage elastic moduli are different when the interface is assumed to be a boundary. An information signal is recorded in the interface.

Abstract translation: 提供了包括多个层叠树脂层的光学信息记录介质和形成在树脂层之间的界面中的无机层。 当接口被假定为边界时，存储弹性模量是不同的。 信息信号记录在界面中。

公开(公告)号：US20140011039A1

公开(公告)日：2014-01-09

申请号：US13914299

申请日：2013-06-10

Applicant: Sony Corporation

Inventor： Yo Ota ,  Shigeki Takagawa ,  Hiroshi Uchiyama

IPC: G11B7/24035

CPC classification number: G11B7/24035 ,  G11B7/243 ,  G11B2007/24306 ,  Y10T428/21 ,  Y10T428/31678

Abstract: There is provided an optical recording medium including a substrate, an information recording layer that is formed on the substrate and has a single film structure formed by an oxide including W and Ru, and a light transmissive layer that is formed on the information recording layer.

Abstract translation: 提供了一种光记录介质，其包括基板，形成在基板上并具有由包含W和Ru的氧化物形成的单个膜结构的信息记录层以及形成在信息记录层上的透光层。

公开(公告)号：US10204652B2

公开(公告)日：2019-02-12

申请号：US15911917

申请日：2018-03-05

Applicant: SONY CORPORATION

Inventor： Yo Ota ,  Kensaku Takahashi ,  Manami Miyawaki

IPC: G11B7/24062 ,  G11B7/24035 ,  G11B7/243 ,  G11B7/24076 ,  G11B7/007 ,  G11B7/26 ,  G11B7/24073 ,  G11B7/2433 ,  G11B7/24038 ,  G11B7/085

Abstract: An optical recording medium includes a light-receiving surface that receives incident light and at least three information signal layers on which information signals are to be optically recorded. Among the at least three information signal layers, the information signal layer closest to the light-receiving surface has a reflectance in a range of 4% to 11%.

公开(公告)号：US09672861B2

公开(公告)日：2017-06-06

申请号：US14778338

申请日：2014-03-06

Applicant: Sony Corporation

Inventor： Kensaku Takahashi ,  Yo Ota ,  Hidehiro Kosaka

IPC: B32B3/02 ,  G11B7/24041 ,  G11B7/24038 ,  G11B7/258 ,  G11B7/26 ,  G11B7/24085 ,  B32B9/00 ,  B32B15/08

CPC classification number: G11B7/24041 ,  B32B9/005 ,  B32B15/08 ,  B32B2250/05 ,  B32B2307/416 ,  B32B2429/02 ,  G11B7/24038 ,  G11B7/24085 ,  G11B7/258 ,  G11B7/265 ,  G11B2220/20

Abstract: There is provided an optical recording medium including: three reproduction layers, wherein reflectance R1, R2, and R3 of the three reproduction layers on a side of a surface irradiated with reproduction light is equal to or greater than 5%, and wherein any absolute value of a difference delta R between two selected from the reflectance R1, R2, and R3 is equal to or less than 7%.

公开(公告)号：US20160275983A1

公开(公告)日：2016-09-22

申请号：US14778338

申请日：2014-03-06

Applicant: SONY CORPORATION

Inventor： Kensaku Takahashi ,  Yo Ota ,  Hidehiro Kosaka

IPC: G11B7/24041 ,  G11B7/26

CPC classification number: G11B7/24041 ,  B32B9/005 ,  B32B15/08 ,  B32B2250/05 ,  B32B2307/416 ,  B32B2429/02 ,  G11B7/24038 ,  G11B7/24085 ,  G11B7/258 ,  G11B7/265 ,  G11B2220/20

Abstract: There is provided an optical recording medium including: three reproduction layers, wherein reflectance R1, R2, and R3 of the three reproduction layers on a side of a surface irradiated with reproduction light is equal to or greater than 5%, and wherein any absolute value of a difference delta R between two selected from the reflectance R1, R2, and R3 is equal to or less than 7%.

Abstract translation: 提供了一种光学记录介质，包括：三个再现层，其中在被再现光照射的表面侧的三个再现层的反射率R1，R2和R3等于或大于5％，并且其中任何绝对值 从反射率R1，R2和R3中选出的两个差值ΔR之差等于或小于7％。

公开(公告)号：US09311953B2

公开(公告)日：2016-04-12

申请号：US14403060

申请日：2013-06-03

Applicant: Sony Corporation

Inventor： Kotaro Kurokawa ,  Yo Ota

IPC: G11B7/24 ,  G11B7/24038 ,  G11B7/243 ,  G11B7/257 ,  C23C14/08 ,  C23C14/34 ,  C01G45/02 ,  G11B7/254 ,  G11B7/26 ,  C01G19/00 ,  C01G25/00 ,  C01G25/02 ,  C01G41/00 ,  C01G45/00 ,  C01G55/00

CPC classification number: G11B7/24038 ,  C01G19/00 ,  C01G25/00 ,  C01G25/02 ,  C01G41/00 ,  C01G45/006 ,  C01G45/02 ,  C01G55/002 ,  C01P2006/60 ,  C23C14/08 ,  C23C14/3407 ,  C23C14/3414 ,  C23C14/3464 ,  C23C14/3492 ,  G11B7/243 ,  G11B7/254 ,  G11B7/257 ,  G11B7/266 ,  G11B2007/24304 ,  G11B2007/24306 ,  G11B2007/2432 ,  G11B2007/24326 ,  G11B2007/25705

Abstract: The present invention relates to an information recording medium that has good enough recording characteristics even without containing Pd. The information recording medium has a recording layer including an oxide of Mn in which Mn atoms are partially or fully present as Mn with a valence of +4.

Abstract translation: 本发明涉及即使不含Pd也具有足够的记录特性的信息记录介质。 信息记录介质具有包含Mn的氧化物的记录层，其中Mn原子部分或完全以Mn形式存在，价数为+4。

公开(公告)号：US20150132606A1

公开(公告)日：2015-05-14

申请号：US14403060

申请日：2013-06-03

Applicant: Sony Corporation

Inventor： Kotaro Kurokawa ,  Yo Ota

IPC: G11B7/24038 ,  G11B7/254 ,  C01G45/02 ,  G11B7/26 ,  C23C14/08 ,  C23C14/34 ,  G11B7/243 ,  G11B7/257

CPC classification number: G11B7/24038 ,  C01G19/00 ,  C01G25/00 ,  C01G25/02 ,  C01G41/00 ,  C01G45/006 ,  C01G45/02 ,  C01G55/002 ,  C01P2006/60 ,  C23C14/08 ,  C23C14/3407 ,  C23C14/3414 ,  C23C14/3464 ,  C23C14/3492 ,  G11B7/243 ,  G11B7/254 ,  G11B7/257 ,  G11B7/266 ,  G11B2007/24304 ,  G11B2007/24306 ,  G11B2007/2432 ,  G11B2007/24326 ,  G11B2007/25705

Abstract: The present invention relates to an information recording medium that has good enough recording characteristics even without containing Pd. The information recording medium has a recording layer including an oxide of Mn in which Mn atoms are partially or fully present as Mn with a valence of +4.

Abstract translation: 本发明涉及即使不含Pd也具有足够的记录特性的信息记录介质。 信息记录介质具有包含Mn的氧化物的记录层，其中Mn原子部分或完全以Mn形式存在，价数为+4。

公开(公告)号：US20140037921A1

公开(公告)日：2014-02-06

申请号：US13947639

申请日：2013-07-22

Applicant: Sony Corporation

Inventor： Yo Ota ,  Tetsuhiro Sakamoto ,  Shiori Tashiro ,  Koichi Yasuda ,  Hiroshi Uchiyama ,  Mitsuaki Oyamada

IPC: G11B7/24044

CPC classification number: G11B7/24044 ,  G11B7/24038 ,  Y10T428/24942

Abstract: An optical information recording medium includes multiple laminated resin layers. At least one of interfaces between the resin layers has a refractive index which gradually changes in a thickness direction of the resin layers.

Abstract translation: 光学信息记录介质包括多个层压树脂层。 树脂层之间的至少一个界面具有在树脂层的厚度方向上逐渐变化的折射率。