Apparatus, electrochemical process, and electrolyte for microfin

Details Apparatus, electrochemical process, and electrolyte for microfin Apparatus, electrochemical process, and electrolyte for microfin

1990-09-07

1991-11-19

Valentine, Donald R.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

20412935, 2041298, 20412985, 2041299, 20412995, 204228, 204211, 204237, 204274, 204277, C25F 300, C25F 306, C25F 324, C25F 700

Patent

active

050663704

ABSTRACT:
An apparatus is provided for electrochemically processing an anodic material in strip form, such as the stainless steel print bands used in high speed printers. Also provided is an electrochemical process including electroetching, electropolishing, or both to obtain microfinishing of the material. Moreover, an electrolyte is provided which is a mixture of phosphoric acid, sulfuric acid, and glycerol in which the material removal rate is controlled by the addition of small amounts of sodium chloride. The electrochemical process operates at ambient temperature over a wide range of current density.

REFERENCES:
patent: 2430028 (1947-11-01), Pfann et al.
patent: 2752305 (1956-06-01), Turner
patent: 3821093 (1974-06-01), Carron et al.

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