Composite substrate for use in magnetic...

Dynamic magnetic information storage or retrieval – Miscellaneous

Reexamination Certificate

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C360S090000, C360S097010

Reexamination Certificate

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06898058

ABSTRACT:
Disclosed is an improved composite substrate for use in a magnetic recording-and-reproducing device. It comprises an “L”-shaped main plate and a separate sub-plate. The “L”-shaped main plate has a major section of relatively large area and a minor section of relatively small area, integrally connected to one side of the major section. The sub-plate has a square or rectangular piece cut and separated from the minor section of the main plate. When being inversely arranged and jointed together two composite substrates can define a square or rectangular shape.

REFERENCES:
patent: 5243495 (1993-09-01), Read et al.
patent: 6034841 (2000-03-01), Albrecht et al.

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