Method of providing a pattern of apertures and/or cavities in a

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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Details

156153, 451 29, 451 31, 451 38, 451 78, B24C 100

Patent

active

055935281

ABSTRACT:
After a plate or layer of non-metallic, particularly hard and brittle material has been provided with a (metal) mask having a plurality of apertures arranged in a pattern, it is exposed to at least one jet of abrasive powder particles, which jet is moved relative to the plate. The mask has its surface facing the surface on which the jet impinges secured to the plate or layer of non-metallic material by means of a layer of adhesive material having a thickness which is smaller than the size of the abrasive powder particles.

REFERENCES:
patent: 2106979 (1938-02-01), Kavanaugh
patent: 4232059 (1980-11-01), Proffitt
patent: 4612737 (1986-04-01), Adee et al.

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