Magnetic recording medium

Details Magnetic recording medium Magnetic recording medium

2005-06-28

2005-06-28

Resan, Stevan A. (Department: 1773)

Stock material or miscellaneous articles

Composite

Of inorganic material

C428S684000, C427S127000

Reexamination Certificate

active

06911272

ABSTRACT:
A magnetic recording medium comprising: a support; an undercoating layer; and a thin ferromagnetic metal layer, in this order, wherein the undercoating layer comprises a reaction product of a mixture comprising a compound represented by the following formula (I):in-line-formulae description="In-line Formulae" end="lead"?Ra—Si—Xbin-line-formulae description="In-line Formulae" end="tail"?wherein R represents an organic group having 1 to 40 carbon atoms which may contain a functional group; X represents a hydrolyzable group; a is an integer of 0 to 3; and a+b is 4, and an oligomer of a compound represented by the formula (I) which comprises at least two siloxane bonds and has a viscosity of 4 to 100 mPa·sec, the mixture comprising at least a compound represented by the formula (I) wherein b is 2 or greater.

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Translation 08-329443.
Translation JP 06-349042.
Translation JP 06-208717.
Translation JP 07-225934.

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