G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 5/84 (2006.01) B32B 15/04 (2006.01) C22C 1/05 (2006.01) C22C 21/00 (2006.01) C22C 32/00 (2006.01) G11B 5/73 (2006.01) G11B 5/82 (2006.01)
Patent
CA 2259483
A rigid disk substrate for a magnetic recording disk is formed of a ceramic- metal matrix composite. A metal-cladding may be included around the ceramic- metal matrix composite to form a sandwich structure. The ceramic-metal matrix composite has a composition ranging from approximately 1 to 40 weight % of ceramic and 60 to 99 weight % of metal matrix. The metal matrix material and the metal cladding material are aluminum or an aluminum alloy.
Un substrat de disque rigide destiné à un disque d'enregistrement magnétique est constitué d'un composite en céramique-matrice métallique. On peut disposer un placage métallique autour du composite en céramique-matrice métallique pour former une structure en sandwich. Le composite en céramique-matrice métallique présente une composition constituée approximativement de 1 à 40 pourcent en poids de céramique et de 60 à 99 pourcent en poids de matrice métallique. Le matériau de la matrice métallique et le matériau du placage métallique sont l'aluminium ou un alliage d'aluminium.
Carden Robin A.
Harrigan William C.
Stanish Raymond L.
Alyn Corporation
Borden Ladner Gervais Llp
Dyson Us Holdings Inc.
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