Electrolysis: processes – compositions used therein – and methods – Electroforming or composition therefor – Perforated or foraminous article
Patent
1991-01-28
1992-02-18
Tufariello, T. M.
Electrolysis: processes, compositions used therein, and methods
Electroforming or composition therefor
Perforated or foraminous article
205324, C25D 108
Patent
active
050890921
ABSTRACT:
A porous aluminum oxide film has a plurality of pores passing through the film. Each pore has a pair of larger diameter pores and a smaller diameter pore. The smaller diameter pore is disposed in a central portion with respect to the thickness of the film, and the larger diameter pores are disposed upon both ends of the smaller diameter pore.
REFERENCES:
patent: 3671410 (1972-06-01), Stahr
patent: 3850762 (1974-11-01), Smith
Baba Nobuyoshi
Ono Sachiko
Wada Kazuhiro
Yoshino Takako
Kyoto University
Tufariello T. M.
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