公开(公告)号：US20030224215A1

公开(公告)日：2003-12-04

申请号：US10453653

申请日：2003-06-04

Applicant: Victor Company of Japan, Ltd.

Inventor： Tetsuya Kondo ,  Kenji Oishi

IPC: G11B005/66

CPC classification number: G11B7/24079 ,  G11B7/0053 ,  G11B7/24009 ,  G11B7/24012 ,  G11B7/24038 ,  G11B7/24082 ,  G11B11/10565 ,  G11B11/10578 ,  G11B11/10584 ,  G11B2007/0013 ,  Y10T428/24355

Abstract: An information recording medium is at least composed of a substrate, a second recording layer, a second light transmitting layer, a first recording layer for recording different information from that to be recorded in the second recording layer, and a first light transmitting layer. The second recording layer is formed with a second microscopic pattern that is composed of continuous substance of grooves. The first recording layer is formed with a first microscopic pattern that is different from the second microscopic pattern, which is composed of continuous substance of grooves. Both sidewalls of raised portions of the first and second microscopic patterns are formed with wobbling so as to be parallel with each other. An auxiliary information and a reference clock is recorded on these sidewalls alternately and continuously.

Abstract translation: 信息记录介质至少由基板，第二记录层，第二光透射层，用于记录与记录在第二记录层中的信息不同的信息的第一记录层和第一透光层组成。 第二记录层形成有由凹槽的连续物质组成的第二微观图案。 第一记录层形成有与由凹槽的连续物质组成的第二微观图案不同的第一微观图案。 第一和第二微观图案的凸起部分的两个侧壁均以摆动形成为彼此平行。 辅助信息和参考时钟交替地和连续地记录在这些侧壁上。

公开(公告)号：US20040160890A1

公开(公告)日：2004-08-19

申请号：US10776322

申请日：2004-02-12

Applicant: Victor Company of Japan, Ltd.

Inventor： Tetsuya Kondo

IPC: G11B007/24

CPC classification number: G11B7/24082 ,  G11B7/0033 ,  G11B7/00455 ,  G11B7/007 ,  G11B7/0079 ,  G11B7/0901 ,  G11B7/0938 ,  G11B7/24012 ,  G11B7/24091 ,  G11B7/2585 ,  G11B20/00304 ,  G11B20/00405 ,  G11B20/00601 ,  G11B23/40 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2220/211 ,  Y10T428/21

Abstract: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of the recording layer is specified to be more than 10%. The recording layer and the resin layer are continuously adhered over both the read only and recording/reproducing areas 31 and 32. The information recording medium is characterized in that both push-pull signal outputs T1 and T2, which are reproduced from the read only area 31 and the recording/reproducing area 32 respectively, are more than 0.1 and satisfy an inequality 1.5nullT1/T2null0.5.

公开(公告)号：US20040114501A1

公开(公告)日：2004-06-17

申请号：US10728960

申请日：2003-12-08

Applicant: JVC (VICTOR COMPANY OF JAPAN, LTD.)

Inventor： Tetsuya Kondo ,  Akira Nishizawa

IPC: G11B007/24

CPC classification number: G11B27/24 ,  G11B7/007 ,  G11B7/24079 ,  G11B7/24082 ,  G11B7/26 ,  G11B7/261 ,  G11B7/263 ,  G11B11/10578 ,  G11B11/10584 ,  G11B2220/218 ,  G11B2220/2562

Abstract: An information recording medium 11 is at least composed a substrate 8 having microscopic pattern 3C or 3E, which is constituted by a shape of continuous substance of approximately parallel grooves formed with a convex shaped section and a concave shaped section alternately on a surface of the substrate, a recording layer 9 that is formed on the microscopic pattern 3C or 3E and a light transmitting layer 10 having thickness of 0.05 mm to 0.12 mm that is formed on the recording layer 9. The microscopic pattern 3C or 3E is formed so as to satisfy a relation of Pnullnull/NA, wherein P is a pitch of the convex shaped section or the concave shaped section, null is a wavelength of reproducing light beam and NA is a numerical aperture of an objective lens. Further, the microscopic pattern 3C or 3E is characterized in that a modulated address information is formed on both side walls of the convex shaped section that is viewed form the light transmitting layer side as a wobble having same period and phase. Furthermore, even in a case that a laser beam is irradiated on the side opposite to the substrate 9 of the information recording medium 11, a reproduced signal in high output and high quality can be obtained and an address and recorded information can be read out accurately.

Abstract translation: 信息记录介质11至少包括具有微观图案3C或3E的基板8，该基板8由在基板的表面上交替形成的具有凸形部分和凹形部分的大致平行的凹槽的连续物质的形状构成 ，形成在微观图案3C或3E上的记录层9和形成在记录层9上的厚度为0.05mm至0.12mm的透光层10.微观图案3C或3E形成为满足 P <=λ/ NA的关系，其中P是凸形部分或凹形部分的间距，λ是再现光束的波长，NA是物镜的数值孔径。 此外，微观图案3C或3E的特征在于，在从透光层侧观察的凸形部分的两个侧壁上形成调制地址信息作为具有相同周期和相位的摆动。 此外，即使在与信息记录介质11的基板9相反的一侧照射激光束的情况下，也可以获得高输出和高质量的再现信号，并且可以准确地读出地址和记录信息 。

公开(公告)号：US20040170092A1

公开(公告)日：2004-09-02

申请号：US10644568

申请日：2003-08-19

Applicant: JVC Victor Company of Japan, Ltd.

Inventor： Tetsuya Kondo

IPC: G11B007/00

CPC classification number: G11B7/266 ,  G11B7/24035 ,  G11B7/242 ,  G11B7/246 ,  G11B7/26 ,  G11B11/10584 ,  Y10T428/21

Abstract: An information recording medium wherein an optically detectable information recording medium is comprised of at least a substrate, a recording layer, and a resin layer. The information recording medium has surface roughness R null on the surface of the recording layer, which is in contact with the resin layer, under 5 nm. The information recording medium controls the reproduction signal noise, enables highly densified recording.

Abstract translation: 一种信息记录介质，其中光学可检测的信息记录介质至少包括基板，记录层和树脂层。 信息记录介质在5nm下具有与树脂层接触的记录层表面上的表面粗糙度R sigma。 信息记录介质控制再现信号噪声，使得能够进行高密度记录。

公开(公告)号：US20040062186A1

公开(公告)日：2004-04-01

申请号：US10664509

申请日：2003-09-16

Applicant: JVC Victor Company of Japan, Ltd.

Inventor： Tetsuya Kondo ,  Akira Nishizawa

IPC: G11B007/24

CPC classification number: G11B7/2575 ,  G11B7/24 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/256 ,  G11B7/2585 ,  G11B7/2595 ,  G11B7/263 ,  Y10T156/1023 ,  Y10T156/1039 ,  Y10T156/108

Abstract: This invention provides an optical disk effective in both precision and productivity, and to a process for the manufacture thereof. The optical disk allows reading of the information recorded on each information-recording surface of the two or more information-recording surfaces by varying the focal position of a playback laser beam incident on and passing through said light transmitting substrate; and the optical disk is provided with a transparent layer that is laminated onto the light transmitting substrate and is constituted of a thermoplastic resin sheet of uniform thickness and the transparent layer has an information-recording surface other than the surface of said light transmitting substrate formed thereon.

公开(公告)号：US20040160889A1

公开(公告)日：2004-08-19

申请号：US10776212

申请日：2004-02-12

Applicant: Victor Company of Japan, Ltd.

Inventor： Tetsuya Kondo

IPC: G11B007/24

CPC classification number: G11B7/24082 ,  G11B7/0033 ,  G11B7/00455 ,  G11B7/007 ,  G11B7/0079 ,  G11B7/0901 ,  G11B7/0938 ,  G11B7/24012 ,  G11B7/24091 ,  G11B7/2585 ,  G11B20/00304 ,  G11B20/00405 ,  G11B20/00601 ,  G11B23/40 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2220/211 ,  Y10T428/21

Abstract: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of the recording layer is specified to be more than 10%. The recording layer and the resin layer are continuously adhered over both the read only and recording/reproducing areas 31 and 32. The information recording medium is characterized in that both push-pull signal outputs T1 and T2, which are reproduced from the read only area 31 and the recording/reproducing area 32 respectively, are more than 0.1 and satisfy an inequality 1.5nullT1/T2null0.5.

公开(公告)号：US20040022173A1

公开(公告)日：2004-02-05

申请号：US10419149

申请日：2003-04-21

Applicant: Victor Company of Japan, Ltd.

Inventor： Tetsuya Kondo ,  Kenji Oishi

IPC: G11B005/02

CPC classification number: G11B7/24097 ,  G11B5/855 ,  G11B7/00455 ,  G11B7/00736 ,  G11B7/24012 ,  G11B7/24079 ,  G11B7/24082 ,  G11B11/10578 ,  G11B11/10584

Abstract: An information recording medium is at least composed of a substrate having a microscopic pattern constituted by a continuous substrate of grooves formed with a groove portion and a land portion alternately, a recording layer formed on the microscopic pattern for recording information, and a light transmitting layer formed on the recording layer. The microscopic pattern is formed with satisfying a relation of Pnullnull/NA, wherein P is a pitch of the land portion or the groove portion, null is a wavelength of reproducing light for reproducing the recording layer, and NA is a numerical aperture of an objective lens. The land portion is formed with wobbling so as to be parallel with each other for both sidewalls of the land portion. An auxiliary information based on data used supplementally when recording the information and a reference clock based on a clock used for controlling a recording speed when recording the information is recorded alternately. Information is recorded in the recording layer corresponding to only a land portion by at least either one change of reflectivity difference and refractive index difference in the recording layer so as to be more than 5% for reflectivity and so as to be more than 0.4 for modulation amplitude of signal recording.

Abstract translation: 信息记录介质至少由具有由形成有凹槽部分和平台部分的沟槽的连续基板构成的微观图案的基板组成，在用于记录信息的微观图案上形成的记录层和透光层 形成在记录层上。 形成微小图案，其满足P <=λ/ NA的关系，其中P是陆部或凹槽部分的间距，λ是用于再现记录层的再现光的波长，NA是数值孔径 的物镜。 为了陆地部分的两个侧壁，地面部分以摆动形成为彼此平行。 基于用于记录信息时用于控制记录速度的时钟记录信息时的补充信息和辅助信息被交替记录。 通过记录层中的反射率差和折射率差的至少一个变化，信息被记录在仅对应于陆地部分的记录层中，以便反射率大于5％，并且对于调制而言大于0.4 信号记录幅度。

公开(公告)号：US20030189890A1

公开(公告)日：2003-10-09

申请号：US10435057

申请日：2003-05-12

Applicant: Victor Company of Japan, Ltd.

Inventor： Tetsuya Kondo

IPC: G11B007/24

CPC classification number: G11B7/24082 ,  G11B7/0033 ,  G11B7/00455 ,  G11B7/007 ,  G11B7/0079 ,  G11B7/0901 ,  G11B7/0938 ,  G11B7/24012 ,  G11B7/24091 ,  G11B7/2585 ,  G11B20/00304 ,  G11B20/00405 ,  G11B20/00601 ,  G11B23/40 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2220/211 ,  Y10T428/21

Abstract: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of the recording layer is specified to be more than 10%. The recording layer and the resin layer are continuously adhered over both the read only and recording/reproducing areas 31 and 32. The information recording medium is characterized in that both push-pull signal outputs T1 and T2, which are reproduced from the read only area 31 and the recording/reproducing area 32 respectively, are more than 0.1 and satisfy an inequality 1.5nullT1/T2null0.5.

公开(公告)号：US20010041241A1

公开(公告)日：2001-11-15

申请号：US09825924

申请日：2001-04-05

Applicant: Victor Company of Japan, Ltd.

Inventor： Tetsuya Kondo

IPC: B32B003/02

CPC classification number: G11B7/24082 ,  G11B7/0033 ,  G11B7/00455 ,  G11B7/007 ,  G11B7/0079 ,  G11B7/0901 ,  G11B7/0938 ,  G11B7/24012 ,  G11B7/24091 ,  G11B7/2585 ,  G11B20/00304 ,  G11B20/00405 ,  G11B20/00601 ,  G11B23/40 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24314 ,  G11B2007/24316 ,  G11B2220/211 ,  Y10T428/21

Abstract: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of the recording layer is specified to be more than 10%. The recording layer and the resin layer are continuously adhered over both the read only and recording/reproducing areas 31 and 32. The information recording medium is characterized in that both push-pull signal outputs T1 and T2, which are reproduced from the read only area 31 and the recording/reproducing area 32 respectively, are more than 0.1 and satisfy an inequality 1.5nullT1/T2null0.5.

Abstract translation: 在至少包括衬底，记录层和树脂层的信息记录介质中，至少形成有与只读区域31相对应的凹坑和与记录/再现区域32相对应的凹槽的信息记录介质，而不与 彼此。 记录层的反射率规定为10％以上。 记录层和树脂层连续地粘贴在只读和再现区31和32上。信息记录介质的特征在于，从只读区域再现的推挽信号输出T1和T2 31和记录/再现区域32分别大于0.1并且满足不等式1.5> = T1 / T2> = 0.5。

公开(公告)号：US20010040860A1

公开(公告)日：2001-11-15

申请号：US09852441

申请日：2001-05-09

Applicant: VICTOR COMPANY OF JAPAN, LTD.

Inventor： Tetsuya Kondo

IPC: G11B007/24

CPC classification number: G11B7/266 ,  G11B7/24035 ,  G11B7/242 ,  G11B7/246 ,  G11B7/26 ,  G11B11/10584 ,  Y10T428/21

Abstract: An information recording medium wherein an optically detectable information recording medium is comprised of at least a substrate, a recording layer, and a resin layer. The information recording medium has surface roughness Rnull on the surface of the recording layer, which is in contact with the resin layer, under 5 nm. The information recording medium controls the reproduction signal noise, enables highly densified recording.

Abstract translation: 一种信息记录介质，其中光学可检测的信息记录介质至少包括基板，记录层和树脂层。 信息记录介质在5nm下具有与树脂层接触的记录层表面上的表面粗糙度Rsigma。 信息记录介质控制再现信号噪声，使得能够进行高密度记录。