Coating process utilizing propelled particles

Details Coating process utilizing propelled particles Coating process utilizing propelled particles

1975-04-07

1977-05-17

Smith, Ronald H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427192, 427217, 427216, B05D 314, B05D 700

Patent

active

040242951

ABSTRACT:
A coating process, whereby particulate material is coated onto a solid substrate surface by exposing the surface in a confined volume containing impact media mixed with the particulate material and propelling the impact media at a velocity sufficient to cause the particulate material to adhere to the surface, is improved by reducing the relative amount of certain undesirable fine particles which may be produced during the coating operation. The improvement is especially useful in a coating process wherein the impact media are small permanent magnet elements which are propelled by a moving magnetic field.

REFERENCES:
patent: 944997 (1909-12-01), Abbe
patent: 2600367 (1952-06-01), Stirn et al.
patent: 2640002 (1953-05-01), Clayton
patent: 2689808 (1954-09-01), Clayton
patent: 2723204 (1955-11-01), Pottberg et al.
patent: 3173664 (1965-03-01), Isaacson et al.
patent: 3570184 (1971-03-01), Ferrara
patent: 3774888 (1973-11-01), Isaacson
patent: 3848363 (1974-11-01), Lovness et al.
patent: 3892908 (1975-07-01), Lovness

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