OPTICAL RECORDING MEDIUM HAVING SUBSTRATE OF DUAL TRANSPARENT

    公开(公告)号:MY124607A

    公开(公告)日:2006-06-30

    申请号:MYPI9902509

    申请日:1999-06-17

    Applicant: SONY CORP

    Abstract: DISCLOSED IS AN INFORMATION RECORDING MEDIUM(1,10) CAPABLE OF, IN THE CASE OF RECORDING INFORMATION SIGNALS SUCH AS HIGH DENSITY INFORMATION, SUFFICIENTLY TRANSFERRING THE INFORMATION SIGNALS, AND SUPPRESSING RESONANCE UPON HIGH SPEED ROTATION AND ENHANCING THE DURABILITY OF THE MEDIUM. THE MEDIUM INCLUDES A SUBSTRATE(2,11), A RECORDING LAYER PROVIDED ON THE SUBSTRATE(2,11) FOR RECORDING AN INFORMATION SIGNAL, AND A LIGHT TRANSMISSION LAYER(5,14) LAMINATED ON THE RECORDING LAYER(4,13), WHEREIN AN INFORMATION SIGNAL IS RECORDED OR REPRODUCED ON OR FROM THE MEDIUM(1,10) BY MAKING LIGHT INCIDENT ON THE MEDIUM(1,10) FROM THE LIGHT TRANSMISSION LAYER SIDE. THE SUBSTRATE(2,11) INCLUDES A CORE LAYER(7,16,17) MADE FROM A RESIN, AND A SURFACE LAYER MADE FROM A RESIN AND INTEGRATED WITH THE CORE LAYER(7,16,17). THE SURFACE LAYER HAS ON ITS ONE SIDE PLANE INFORMATION SIGNALS IN THE FORM OF IRREGULARITIES ON THE RECORDING LAYER SIDE AND HAS A FLUIDITY WHICH LARGER THAN THAT OF THE CORE LAYER (6,15)IN THE CASE WHERE BOTH THE SURFACE LAYER AND THE CORE LAYER (6,15)ARE IN A MOLTEN STATE AT THE SAME TEMPERATURE.(FIG 2)

    23.
    发明专利
    未知

    公开(公告)号:DE69914133T2

    公开(公告)日:2004-11-11

    申请号:DE69914133

    申请日:1999-06-16

    Applicant: SONY CORP

    Abstract: Disclosed is an information recording medium (1, 10) capable of, in the case of recording information signals such as high density information, sufficiently transferring the information signals, and suppressing resonance upon high speed rotation and enhancing the durability of the medium. The medium includes a substrate (2, 11), a recording layer (4, 13) provided on the substrate (2, 11) for recording an information signal, and a light transmission layer (5, 14) laminated on the recording layer (4, 13), wherein an information signal is recorded or reproduced on or from the medium (1, 10) by making light (L) incident on the medium (1, 10) from the light transmission layer side. The substrate (2, 11) includes a core layer (6, 15) made from a resin, and a surface layer (7, 16, 17) made from a resin and integrated with the core layer (6, 15). The surface layer (7, 16, 17) has on its one side plane information signals in the form of irregularities on the recording layer side and has a fluidity which is larger than that of the core layer (6, 15) in the case where both the surface layer (7, 16, 17) and the core layer (6, 15) are in a molten state at the same temperature.

    Optical recording medium manufacturing master recording apparatus

    公开(公告)号:GB2341237B

    公开(公告)日:2000-07-26

    申请号:GB9920399

    申请日:1999-08-27

    Applicant: SONY CORP

    Abstract: A master recording apparatus includes a revolving base (31) for revolving a substrate (1) coated with resist thereon, an irradiating mechanism (32), an elevator mechanism (33) for making the irradiating mechanism (32) capable of moving in a vertical direction and in a surface direction which is perpendicular to the vertical direction relative to the revolving base (31) and a height position displacement mechanism (35) interposing between the irradiating mechanism (32) and the elevator mechanism (33), and in which the irradiating mechanism (32) is connected with the elevator mechanism (33) through the height position displacement mechanism (35) and the irradiating mechanism (32) has such a structure in which at least a converging lens system (36) and a displacement driving mechanism (37) for adjusting a focus are supported by a gas static pressure pad housing (38), in the gas static pressure pad housing (38) a gas feeding pad (39) is disposed facing a bottom surface opposing the substrate and gas is made to be fed between the irradiating mechanism (32) and the said substrate (1) through the gas feeding pad (39), whereby the contact between the substrate and the irradiating mechanism is avoided at a time of carrying out a recording of a predetermined pattern by irradiating a beam.

    29.
    发明专利
    未知

    公开(公告)号:DE69029678D1

    公开(公告)日:1997-02-27

    申请号:DE69029678

    申请日:1990-04-04

    Applicant: SONY CORP

    Abstract: An ultraviolet radiation projector of this invention includes a focusing optical member arranged between an exposure surface of an ultraviolet sensitive material and a panel surface of a CRT for emitting an ultraviolet beam to expose the exposure surface which is kept separated from the focusing system, thereby preventing contact between the exposure surface and any element of the focusing system. An optical image forming apparatus of this invention can form a high-precision two-dimensional image for an electronic circuit pattern by exposing the exposure surface with a pattern corresponding to a desired electronic circuit pattern using the ultraviolet radiation projector as a light source. In addition, sheet-like resins cured by the exposure with the ultraviolet beam using the ultraviolet radiation projector as a light source are sequentially stacked to form a desired high-precision three-dimensional image.

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