Discrete pore platelet filter manufactured by electropolishing

Details Discrete pore platelet filter manufactured by electropolishing Discrete pore platelet filter manufactured by electropolishing

1995-08-23

1997-03-25

Lithgow, Thomas M.

Liquid purification or separation

Filter

Medium, cleaner or agitator moved by fluid

210415, 210488, 210492, 210496, 2105101, 55522, B01D 2944, B01D 2964

Patent

active

056140932

ABSTRACT:
A micropore filter of discrete flow-through pores of highly controlled pore configuration and dimensions is formed by bonding platelets into a laminate, each platelet having been etched, preferably by a combination of electropolishing and photoetching techniques, to form depth-etched passages and through-etched passages, respectively. The filter is housed in a module which contains wiper blades for periodically removing deposited debris from the filter surface.

REFERENCES:
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patent: 3702659 (1972-11-01), Clark
patent: 4721567 (1988-01-01), Uram
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patent: 4932112 (1990-06-01), Tikkanen
patent: 5023054 (1991-06-01), Sato et al.
patent: 5089128 (1992-02-01), Garaschenko et al.
patent: 5141641 (1992-08-01), Burgess
patent: 5415781 (1995-05-01), Randhahn
Electroplating Engineering Handbook (1978) Edited by A. Kenneth Graham.

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