Porous aluminum oxide film and method of forming of the same

Details Porous aluminum oxide film and method of forming of the same Porous aluminum oxide film and method of forming of the same

1991-01-28

1992-02-11

Tufariello, T. M.

Electrolysis: processes, compositions used therein, and methods

Electroforming or composition therefor

Perforated or foraminous article

C25D 108

Patent

active

050873300

ABSTRACT:
A porous aluminum oxide film has a plurality of pores extending through the film. Each pore has a pair of smaller diameter pores and a larger diameter pore. The larger diameter pore is disposed within a central portion of the film with respect to the thickness of the film, and the smaller diameter pores are disposed upon both ends of the larger diameter pore.

REFERENCES:
patent: 3671410 (1972-06-01), Stahr
patent: 3850762 (1974-11-01), Smith

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