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

1989-09-26

1991-10-29

Tufariello, T. M.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

428134, B32B 310

Patent

active

050615440

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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