Method of engraving green ceramic articles

Details Method of engraving green ceramic articles Method of engraving green ceramic articles

1996-08-23

1998-07-07

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Laser ablative shaping or piercing

264118, 264669, 264670, 264678, 451 29, 451 31, B28B 1100

Patent

active

057764085

ABSTRACT:
A method of engraving pre-sintered ceramic articles involves providing a source of laser energy for forming a polyester mask having a predetermined spiral pattern etched therein. To form the polyester mask, means are provided for computationally communicating a predetermined engraving pattern to the source of laser energy. Once the polyester mask is formed, it is overlaid onto the ceramic article forming a laminate and the laminate is bombarded with a hard alumina grit to form the spiral pattern in the ceramic article. After the ceramic article is engraved with the predetermined spiral pattern, the polyester mask is removed exposing an engraved ceramic article.

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