Dynamic information storage or retrieval – Specific detail of information handling portion of system – Mechanical modification or sensing of storage medium
Patent
1983-10-26
1984-12-11
Jacobs, Lewis T.
Dynamic information storage or retrieval
Specific detail of information handling portion of system
Mechanical modification or sensing of storage medium
369132, G11B 344
Patent
active
044882831
ABSTRACT:
An epoxy composition derived from tetraglycidated methylene dianiline cured with a methylated maleic acid adduct of phthalic anhydride has a high glass-transition temperature and a low curing temperature and when cured has very high bond strength. This epoxy can be used to bond a diamond cutterhead stylus to a piezoelectric element.
REFERENCES:
patent: 4035590 (1977-07-01), Halter
Ciba-Geigy, "Araldite MY 720," Resins Dept., Ciba-Geigy Corporation, Ardsley, New York 10502.
EPON Resin Structural Reference Manual, Shell Chemical Company.
Lee et al.; Handbook of Epoxy Resins; McGraw-Hill Book Co.; 1967; pp. 12-9, 12-10, 14-30, Sci. Lib.
Jacobs Lewis T.
Morris Birgit E.
RCA Corporation
Sites Edward J.
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