Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Forming nonplanar surface
Patent
1997-11-12
2000-04-11
McPherson, John A.
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Forming nonplanar surface
451 31, B24C 104
Patent
active
060486708
ABSTRACT:
Method of providing a pattern of apertures and/or cavities in a plate of material which is suitable for powder blasting, or of cutting pieces from a plate (2) of such a material by means of powder blasting, using a non-metal layer of blast-resistant material (3) as a mask which is patterned while or after it is fixedly provided on the surface of the plate.
REFERENCES:
patent: 3808751 (1974-05-01), Usui
patent: 4858394 (1989-08-01), Lalumiere et al.
patent: 5593528 (1997-01-01), Dings et al.
patent: 5833516 (1998-11-01), De Haas et al.
Bosman Joseph C.M.
De Haas Franciscus C.M.
Ligthart Henricus J.
Tolner Harm
Faller F. Brice
McPherson John A.
U.S. Philips Corporation
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