Micro-porous superlattice material having zeolite-like propertie

Details Micro-porous superlattice material having zeolite-like propertie Micro-porous superlattice material having zeolite-like propertie

1985-07-01

1987-10-20

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Longitudinal or transverse tubular cavity or cell

428189, 4283159, 428543, 502 60, 502 64, 156643, 156644, 156655, 156657, 156DIG111, 427270, 427271, 427272, B05D 132, B32B 326, B32B 300, B01J 2904

Patent

active

047013664

ABSTRACT:
A high surface area substrate with controlled pore size and slot geometry is made by depositing at least two materials in alternating layers. The film is then broken up and one of the materials is etched away to produce a slotted surface structure. These slots can add size and shape selectively to separations and catalytic processes which because of the uniform and controllable dimensions (>5A) would be superior to that obtainable from zeolites and clays.

REFERENCES:
patent: 4407695 (1983-10-01), Deckman et al.
H. W. Deckman, J. H. Dunsmuir and B. Abeles, "Transmission Electron Microscopy of Hydrogenated Amorphous Semiconductor Superlattices", Appl. Phys. Lett., 46, 171, [1985].
H. W. Deckman and J. Dunsmuir, "Natural Lithography", Appl. Phys. Lett., 41, 377 [1982].
L. Esaki, R. Tsu, "Superlattice and Negative Differential Conductivity in Semiconductors, IBM J. Res. Develop, Jan. 1970, pp. 61-65.

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