Photoengraving

Oldest known print made from a photoengraved plate, by Nicéphore Niépce, 1825. It reproduces a 17th-century Flemish engraving. Niépce called the process

Photoengraving is a process that uses a light-sensitive photoresist applied to the surface to be engraved to create a mask that shields some areas during a subsequent operation which etches, dissolves, or otherwise removes some or all of the material from the unshielded areas. Normally applied to metal, it can also be used on glass, plastic and other materials.

单词	Zinc etching
释义	Zinc etching 英语百科 Photoengraving Photoengraving is a process that uses a light-sensitive photoresist applied to the surface to be engraved to create a mask that shields some areas during a subsequent operation which etches, dissolves, or otherwise removes some or all of the material from the unshielded areas. Normally applied to metal, it can also be used on glass, plastic and other materials.
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Zinc etching

Photoengraving