G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 9/00 (2006.01) G11B 25/04 (2006.01)
Patent
CA 2053723
A memory apparatus for effecting the writing or reading of information on a recording medium by a probe has a base having the probe attached thereto, a substrate supporting the recording medium thereon and movable relative to the base, and a frame containing the base and the substrate therein, and the coefficients of linear expansion of the base and the substrate are made approximate to each other since the coefficients of linear expansion of the base and the substrate are approximate to each other, any relative positional deviation between the probe and the recording medium will not occur even if temperature changes.
ispositif à mémoire effectuant l'écriture ou la lecture de l'information sur un support d'enregistrement au moyen d'une sonde ayant une base à laquelle elle est fixée, un substrat pour le support d'enregistrement qui se déplace par rapport à la base, et un cadre renfermant la base et le substrat qui s'y trouvent, les coefficients de dilatation linéaire de la base et du substrat sont voisins et, parce que ces coefficients de dilatation linéaire sont voisins, aucune déviation relative de positionnement entre la sonde et le support d'enregistrement ne se produira même s'il y a variation de température.
Kawada Haruki
Kawagishi Hideyuki
Miyazaki Toshihiko
Yamano Akihiko
Canon Kabushiki Kaisha
Ridout & Maybee Llp
LandOfFree
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