Dielectric recording medium, and method of and apparatus for...

Details Dielectric recording medium, and method of and apparatus for... Dielectric recording medium, and method of and apparatus for...

2005-09-13

2005-09-13

Jones, Deborah (Department: 1775)

Stock material or miscellaneous articles

Circular sheet or circular blank

Edge structure

C428S064400, C428S065100, C428S192000, C428S446000, C428S069000, C428S450000

Reexamination Certificate

active

06942914

ABSTRACT:
The dielectric material is, for example, a ferroelectric single crystal having a uniform thickness, and its one surface is used for a recording and reproducing surface on which a probe for recording and reproducing works. LiTaO3is used as the dielectric material. The conductive thin film, which is, for example, about 1000 to 2000 Å thick, is placed on a surrounding portion of a recording and reproducing surface, a back surface, and a side surface of the dielectric material. This conductive thin film, to which aluminum is added by a method of deposition, is connected to a common electrode of a recording and reproducing apparatus. The substrate is intended to preserve the dielectric material, which is thin, and it uses silicon or the like in a predetermined thickness, for example. A conductive paste is a material for sticking to the substrate the dielectric material having the conductive thin film thereon, and indium and silver paste are used for it.

REFERENCES:
patent: 5985404 (1999-11-01), Yano et al.
patent: 2003/0186090 (2003-10-01), Onoe et al.

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