Dynamic information storage or retrieval – Storage medium structure – Specified material
Patent
1987-07-13
1990-10-02
Henderson, Christopher
Dynamic information storage or retrieval
Storage medium structure
Specified material
526289, 5262923, 526313, 526320, G11B 562, C08F22804
Patent
active
049611798
ABSTRACT:
Reaction compositions of selected make-up result after curing in non-meltable polymers of high mechanical stability and low water uptake. Owing to the low birefringence of the cured products, these compositions are highly suitable for preparing carrier materials for optically and magnetically readable and/or writable data carriers.
REFERENCES:
patent: 4235986 (1980-11-01), Catena
patent: 4668550 (1987-05-01), Tajima
patent: 4729938 (1988-03-01), Tajima
patent: 4777632 (1988-10-01), Wenzel
Patent Abstracts of Japan, vol. 7, No. 30 (P-173) [1175], Feb. 5, 1983.
Freitag Dieter
Hess Bernhard
Kloker Werner
Schmid Helmut
Uerdingen Walter
Bayer Aktiengesellschaft
Henderson Christopher
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