公开(公告)号：EP0301831A3

公开(公告)日：1990-01-17

申请号：EP88306922.1

申请日：1988-07-27

申请人： MITSUI PETROCHEMICAL INDUSTRIES, LTD.

发明人： Kimura, Toshio ,  Todo, Akira ,  Minoda, Takeshi ,  Kurisu, Masayoshi ,  Masuda, Tetsuo ,  Omae, Fujio

IPC分类号： G11B23/00 ,  G11B7/24

CPC分类号： B29C65/08 ,  B29C65/7811 ,  B29C65/7841 ,  B29C66/1122 ,  B29C66/30221 ,  B29C66/30223 ,  B29C66/3024 ,  B29C66/452 ,  B29C66/47 ,  B29C66/71 ,  B29C66/723 ,  B29C66/73365 ,  B29C66/73921 ,  B29C66/81425 ,  B29C66/81427 ,  B29C66/81431 ,  B29C66/8242 ,  B29C66/8322 ,  B29C66/92311 ,  B29C66/92613 ,  B29C66/92921 ,  B29C66/961 ,  B29L2017/005 ,  G11B7/24015 ,  G11B23/0021 ,  B29K2023/00 ,  B29K2033/12 ,  B29K2069/00 ,  B29K2023/08 ,  B29K2023/38

摘要： An information recording disc (1) of an air sandwich structure which comprises two disc substrates (3a, 3b), at least one of which has a recording medium containing layer, laminated by ultrasonic welding to an outer peripheral spacer (5) and to an inner peripheral spacer (6), said outer and inner peripheral spacers (5, 6) lying respectively between the outer and inner peripheral portions of the two disc substrates (3a, 3b) and each having projections (7) on both surfaces thereof, wherein the projections (7) of at least one of the outer and inner peripheral spacers (5, 6) are arranged annularly but discontinuously.

公开(公告)号：EP0301831A2

公开(公告)日：1989-02-01

申请号：EP88306922.1

申请日：1988-07-27

申请人： MITSUI PETROCHEMICAL INDUSTRIES, LTD.

发明人： Kimura, Toshio ,  Todo, Akira ,  Minoda, Takeshi ,  Kurisu, Masayoshi ,  Masuda, Tetsuo ,  Omae, Fujio

IPC分类号： G11B23/00 ,  G11B7/24

CPC分类号： B29C65/08 ,  B29C65/7811 ,  B29C65/7841 ,  B29C66/1122 ,  B29C66/30221 ,  B29C66/30223 ,  B29C66/3024 ,  B29C66/452 ,  B29C66/47 ,  B29C66/71 ,  B29C66/723 ,  B29C66/73365 ,  B29C66/73921 ,  B29C66/81425 ,  B29C66/81427 ,  B29C66/81431 ,  B29C66/8242 ,  B29C66/8322 ,  B29C66/92311 ,  B29C66/92613 ,  B29C66/92921 ,  B29C66/961 ,  B29L2017/005 ,  G11B7/24015 ,  G11B23/0021 ,  B29K2023/00 ,  B29K2033/12 ,  B29K2069/00 ,  B29K2023/08 ,  B29K2023/38

摘要： An information recording disc (1) of an air sandwich structure which comprises two disc substrates (3a, 3b), at least one of which has a recording medium containing layer, laminated by ultrasonic welding to an outer peripheral spacer (5) and to an inner peripheral spacer (6), said outer and inner peripheral spacers (5, 6) lying respectively between the outer and inner peripheral portions of the two disc substrates (3a, 3b) and each having projections (7) on both surfaces thereof, wherein the projections (7) of at least one of the outer and inner peripheral spacers (5, 6) are arranged annularly but discontinuously.

摘要翻译： 一种空气夹层结构的信息记录盘（1），包括两个盘基片（3a，3b），其中至少一个具有记录介质容纳层，通过超声波焊接层压到外周垫片（5）上， 内周垫片（6），所述外周和内周间隔件（5,6）分别位于两个盘基片（3a，3b）的外圆周部分和内周部分之间，并且每个在其两个表面上具有凸起（7），其中 外周和外周间隔物（5,6）中的至少一个的突出部（7）环状但不连续地排列。