Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1992-08-17
1993-12-28
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
1562733, 1562757, 1562755, 264 14, 360135, 369282, 369286, B32B 3100, G11B 582, G11B 584
Patent
active
052735982
ABSTRACT:
An optical recording disc which includes a pair of recording disc substrates opposed to each other with a space there between with a hub situated at the central portion of the disc substrates so that there is formed the closed space between the disc substrates, thereby providing a dual sided recordable optical recording disc. The hub may be formed by a pair of hub halves. There is disposed an annular inner spacer and annular outer space around the hub so as to separate the pair of recording disc substrates.
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Gotoh Akira
Higasihara Toshio
Suzuki Masahiro
Tsuburaya Yoshitane
Yoshizawa Ken
Barry Chester T.
Hitachi Maxell Ltd.
Simmons David A.
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