A - Human Necessities – 44 – C
Patent
A - Human Necessities
44
C
63/1, 96/250
A44C 3/00 (2006.01) A44C 27/00 (2006.01)
Patent
CA 1073690
ABSTRACT OF THE DISCLOSURE Costume jewelry is manufactured through photofabrication processes form flat metal sheets to form items such as earrings and small pendants. A standard photo-fabrication operation in- cludes covering a metal sheet with a layer of photosensitive, chemically resistive material commonly referred to as a photore- sist. Portions of the covered sheet are exposed to light to out- line the earrings and pendants on the sheet. The sheet is then developed and the exposed metal surface portions are chemically etched to remove excess metal and form the earrings and pendants. Thereafter, surface treatments involve supplementary photofabric- tion operations to provide different colors and finishes on the earrings and pendants by etching, plating and staining the ex- posed metal surfaces, all of which are supplemented by the reten- tion of portion of photoresist layers of selected colors.
252093
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