公开(公告)号：EP1811514A4

公开(公告)日：2009-05-06

申请号：EP05795501

申请日：2005-10-18

申请人： FUJIFILM CORP

发明人： KATAYAMA KAZUTOSHI ,  USAMI YOSHIHISA ,  KAKUTA TAKESHI

IPC分类号： G11B7/007 ,  G11B7/24079 ,  G11B7/246 ,  G11B7/2467 ,  G11B7/247 ,  G11B7/2472 ,  G11B7/2478 ,  G11B7/249 ,  G11B7/2492 ,  G11B7/253 ,  G11B7/2534 ,  G11B7/254 ,  G11B7/2542 ,  G11B7/257 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595

CPC分类号： G11B7/256 ,  G11B7/24079 ,  G11B7/245 ,  G11B7/246 ,  G11B7/2467 ,  G11B7/2472 ,  G11B7/2478 ,  G11B7/248 ,  G11B7/2492 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595 ,  G11B2007/25706 ,  G11B2007/25708 ,  G11B2007/25715

摘要： The present invention provides an optical information medium having a dye recording layer, an adhesive layer and a light transmission layer in this order on a groove provided on a substrate, wherein recording and reproduction are carried out by allowing a laser beam to enter an in-groove portion from the light transmission layer, wherein: D×W is 5,000 nm 2 or more wherein the depth of the groove is D (nm) and the width of the groove is W (nm), and the thickness of the dye recording layer in the in-groove portion is 0.7 D to 2.4 D (nm).

公开(公告)号：EP1350816A4

公开(公告)日：2004-07-14

申请号：EP01998601

申请日：2001-11-30

申请人： MITSUBISHI RAYON CO

发明人： FUJIMOTO JUICHI ,  HAYAMA KOUJI ,  NUSHI SEIJI ,  FUKUSHIMA HIROSHI

IPC分类号： C08G18/38 ,  C08G18/42 ,  C08G18/48 ,  C08G18/67 ,  C09D4/06 ,  C09D175/16 ,  G11B7/253 ,  G11B7/2534 ,  G11B7/254 ,  G11B7/2542 ,  G11B7/257 ,  G11B7/258 ,  G11B7/2585 ,  C08F290/06 ,  G11B7/24

CPC分类号： C09D175/16 ,  C08F220/18 ,  C08F220/32 ,  C08F222/1006 ,  C08G18/3825 ,  C08G18/4277 ,  C08G18/4854 ,  C08G18/672 ,  C08G18/758 ,  C08L63/10 ,  C08L75/16 ,  C09D4/06 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/257 ,  G11B7/2585 ,  Y10T428/21 ,  C08G18/48 ,  C08G18/42 ,  C08F290/06 ,  C08G18/44 ,  C08L2666/22

摘要： The present invention relates to an active energy ray curable composition for coating optical disc, comprising a urethane (meth)acrylate compound having at least one amide group in the molecule, an ethylenically unsaturated compound other than the urethane (meth)acrylate compound and a photopolymerization initiator; and an optical disc having a cured coating layer obtained by curing the composition.

公开(公告)号：EP0951384A4

公开(公告)日：1999-10-27

申请号：EP97949831

申请日：1997-12-15

IPC分类号： G11B7/24 ,  G11B7/244 ,  G11B7/246 ,  G11B7/248 ,  G11B7/253 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2535 ,  G11B7/2542 ,  G11B7/2585 ,  G11B7/26 ,  G11B23/28 ,  G11B23/40 ,  B32B3/00

CPC分类号： G11B23/281 ,  G11B7/24 ,  G11B7/244 ,  G11B7/245 ,  G11B7/248 ,  G11B7/253 ,  G11B7/2531 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2535 ,  G11B7/2542 ,  G11B7/2585 ,  G11B7/26 ,  G11B23/40 ,  G11B2007/24624 ,  Y10S428/913 ,  Y10S430/146 ,  Y10T428/21

摘要： A digital recording medium, such as a compact disc (10), having a substrate (12), a reflective layer (14) and a protective layer (16) includes a near infrared fluorophore in one of the layers. The near infrared fluorophore can be incorporated into the CD (10) by coating, admixing, blending, or copolymerization and in an amount to impart a detectable fluorescence from the fluorophore when exposed to electromagnetic radiation having a wavelength ranging from about 670 nanometers (nm) to about 1100 nm. A method of marking a CD (10) with an invisible marking and an apparatus for detecting the fluorophore is further provided.

摘要翻译： 诸如具有衬底（12），反射层（14）和保护层（16）的光盘（10）的数字记录介质在其中一个层中包括近红外荧光团。 近红外荧光团可以通过涂布，混合，共混或共聚而掺入CD（10）中，并且当暴露于波长范围为约670纳米（nm）的电磁辐射时，其量可以从荧光团传递可检测的荧光， 到约1100nm。 还提供了用不可见标记标记CD（10）的方法和用于检测荧光团的装置。

公开(公告)号：EP0768353A4

公开(公告)日：1998-10-14

申请号：EP96912241

申请日：1996-04-25

申请人： NIPPON KAYAKU KK

发明人： TOKUDA KIYOHISA ,  ISHII KAZUHIKO

IPC分类号： C08F290/06 ,  C09J4/00 ,  C09J4/06 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/256 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/26 ,  C09J5/00 ,  G11B7/24

CPC分类号： G11B7/256 ,  C08F290/067 ,  C08F290/14 ,  C09J4/00 ,  C09J4/06 ,  G11B7/2533 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/2585 ,  G11B7/26 ,  C08F222/1006 ,  C08F220/18 ,  C08F220/30

摘要： An ultraviolet-curable adhesive composition comprising a photopolymerization initiator whose molar absorption coefficient at a wavelength of 360-450 nm is at least 400 and an ultraviolet-curable compound. The adhesive composition of this invention can bond substrates which show transmittances of 0.01-20% to all of energy beams of a wavelength of 280-380 nm, to one another.

公开(公告)号：EP0495185A3

公开(公告)日：1992-10-21

申请号：EP91120171

申请日：1991-11-26

申请人： SANYO ELECTRIC CO., LTD. ,  IRIE, MASAHIRO

发明人： TATEZONO, FUMIO ,  IRIE, MASAHIRO ,  TANUMA, TOSHIO ,  HARADA, TOSHIO ,  MATSUURA, KOUTARO

IPC分类号： C09K9/02 ,  G11B7/0045 ,  G11B7/244 ,  G11B7/245 ,  G11B7/249 ,  G11B7/253 ,  G11B7/2531 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/00

CPC分类号： G11B7/245 ,  C09K9/02 ,  G11B7/00455 ,  G11B7/244 ,  G11B7/2531 ,  G11B7/2585 ,  Y10S430/146 ,  Y10S430/163

公开(公告)号：EP2005429A4

公开(公告)日：2010-10-13

申请号：EP06768626

申请日：2006-05-25

申请人： CHEIL IND INC

发明人： JEONG BONG JAE ,  HA DOO HAN

IPC分类号： G11B7/254 ,  G11B7/253 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/258 ,  G11B7/2585

CPC分类号： G11B7/2542 ,  G11B7/2534 ,  G11B7/256 ,  G11B7/258 ,  G11B7/2585 ,  Y10T428/21

摘要： An optical disc includes an active disc on which information is recorded and a dummy disc for protecting the active disc. The active disc and the dummy disc are bonded to form a single body, and the dummy disc is made of methylmethacrylate-acrylonitrile-butadiene-styrene copolymer (MABS) resin.

公开(公告)号：EP2054889A4

公开(公告)日：2009-11-18

申请号：EP07791883

申请日：2007-07-27

申请人： RICOH KK

发明人： NARUMI SHINYA ,  YAMADA KATSUYUKI ,  SASA NOBORU ,  HAYASHI YOSHITAKA ,  FUJII TOSHISHIGE ,  FUJIWARA MASAYUKI ,  KATO MASAKI ,  KIBE TAKESHI ,  KOHDA TAKUYA ,  MIURA HIROSHI

IPC分类号： G11B7/24 ,  G11B7/24079 ,  G11B7/243 ,  G11B7/2433 ,  G11B7/2437 ,  G11B7/252 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/259

CPC分类号： G11B7/2433 ,  G11B7/0062 ,  G11B7/24079 ,  G11B7/2437 ,  G11B7/2585 ,  G11B7/259 ,  G11B2007/24306 ,  G11B2007/2431 ,  G11B2007/24314 ,  G11B2007/2432

公开(公告)号：EP1047056A4

公开(公告)日：2007-07-18

申请号：EP99943215

申请日：1999-09-08

申请人： MITSUBISHI KAGAKU MEDIA CO LTD

发明人： MIZUNO HIRONOBU ,  OHNO TAKASHI ,  HORIE MICHIKAZU

IPC分类号： G11B7/0055 ,  G11B7/006 ,  G11B7/007 ,  G11B7/013 ,  G11B7/125 ,  G11B7/126 ,  G11B7/24079 ,  G11B7/24085 ,  G11B7/243 ,  G11B7/253 ,  G11B7/2534 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/26 ,  G11B7/24 ,  G11B7/00

CPC分类号： G11B7/243 ,  G11B7/0055 ,  G11B7/00557 ,  G11B7/0062 ,  G11B7/007 ,  G11B7/00745 ,  G11B7/126 ,  G11B7/24079 ,  G11B7/24085 ,  G11B7/252 ,  G11B7/2534 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/261 ,  G11B2007/24308 ,  G11B2007/2431 ,  G11B2007/24312 ,  G11B2007/24314 ,  G11B2007/24316

摘要： An optical information recording medium comprises: (a) a substrate; and (b) a phase-change recording layer (B) containing a crystalline part as an unrecorded/erased state and an amorphous part as a recorded state. Information is recorded by using recording marks whose shortest length is at most 0.5 mu m. Either (1) erasure is effected by recrystallization substantially progressed by the growth of crystals from the boundary between the amorphous part or a fused part and the peripheral crystal part; or (2) (B) comprises a thin film with main components of germanium (Ge), antimony (Sb) and tellurium (Te), and at a fixed line speed, the recording layer is irradiated continuously with recording light of sufficient power (Pw) to melt the recording layer and generally recrystallize it and then this is interrupted and amorphous marks formed; or (3) on the substrate, in order from the recording regeneration light irradiation direction, are provided a first protective layer, the layer (B), a 5-30 nm thick second protective layer, and a reflecting layer, the thickness of (B) is 5-25 nm, and (B) is a thin film comprising a main component of a germanium- antimony-tellurium (GeSbTe) alloy having a composition shown by the region enclosed by 4 lines, A, B, C and D (excluding the boundary lines), where A is the line joining (Sb 0.7Te 0.3) and Ge, B is the line joining (Ge 0.03Sb 0.68Te 0.29) and (Sb 0.95Ge 0.05), C is the line joining (Sb 0.9Ge 0.1) and (Te 0.9Ge 0.1), and D is the line joining (Sb 0.8Te 0.2) and Ge.

公开(公告)号：EP0780216A3

公开(公告)日：1998-11-11

申请号：EP96120200

申请日：1996-12-16

申请人： TOSHIBA KK

发明人： OHKUBO YOSHIYUKI ,  NISHIZAKA KAN

IPC分类号： B29C35/08 ,  B29C65/48 ,  B29D17/00 ,  G11B7/24 ,  G11B7/253 ,  G11B7/2534 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595 ,  G11B7/26

CPC分类号： B29C66/324 ,  B29C65/1406 ,  B29C65/1435 ,  B29C65/1483 ,  B29C65/4845 ,  B29C65/521 ,  B29C66/1122 ,  B29C66/452 ,  B29C66/71 ,  B29C66/72321 ,  B29C2035/0827 ,  B29D17/005 ,  B29L2017/003 ,  B29L2017/005 ,  G11B7/24 ,  G11B7/252 ,  G11B7/253 ,  G11B7/2534 ,  G11B7/256 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595 ,  G11B7/26 ,  Y10S428/913 ,  Y10S430/146 ,  Y10T428/21 ,  Y10T428/31678 ,  B29K2069/00

摘要： In an optical disk obtained by pasting two substrates, air bubbles and the like are removed from an adhesive layer between the substrates pasted together, and the thickness irregularity of the adhesive layer is suppressed to an allowable value or less. A spacer (60) having a predetermined thickness is concentrically placed on a substrate (30). An adhesive (220) is applied onto a surface of the substrate (30) on which the spacer (60) is placed. Another substrate (40) is placed on the surface of the substrate (30) on which the adhesive (220) is applied. The substrates (30, 40) are rotated about the spacer (60) at a high speed. The excessive adhesive (220) sandwiched between the substrates (30, 40) is expelled, together with air bubbles and the like, by using the centrifugal force produced by the rotation. With this process, an adhesive layer (50) having a thickness determined by the thickness of the spacer (60) is left between the two substrates.

摘要翻译： 在通过粘贴两个基板获得的光盘中，从粘贴在一起的基板之间的粘合层去除气泡等，并且粘合剂层的厚度不均匀性被抑制到允许值以下。 具有预定厚度的间隔物（60）同心地放置在基底（30）上。 将粘合剂（220）施加到其上放置间隔物（60）的基底（30）的表面上。 另一衬底（40）被放置在其上施加有粘合剂（220）的衬底（30）的表面上。 基板（30,40）以高速度绕间隔件（60）旋转。 通过使用由旋转产生的离心力，夹在基板（30,40）之间的过量粘合剂（220）与气泡等一起排出。 通过该工艺，具有由间隔物（60）的厚度确定的厚度的粘合剂层（50）留在两个基板之间。

公开(公告)号：EP0536406A4

公开(公告)日：1993-08-11

申请号：EP92905014

申请日：1992-02-17

申请人： TDK CORPORATION

发明人： TOMINAGA, JUNJI ,  DOHI, HIDEKI

IPC分类号： G11B7/243 ,  G11B7/252 ,  G11B7/2534 ,  G11B7/254 ,  G11B7/2542 ,  G11B7/2578 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595 ,  G11B7/24 ,  B41M5/26

CPC分类号： G11B7/243 ,  G11B7/2534 ,  G11B7/2542 ,  G11B7/2578 ,  G11B7/258 ,  G11B7/2585 ,  G11B7/259 ,  G11B7/2595 ,  G11B2007/24306 ,  G11B2007/24308 ,  G11B2007/2432 ,  G11B2007/24322 ,  Y10S428/913 ,  Y10S430/146 ,  Y10T428/31678