单词 | photo-etching |
释义 | photo-etching/ˈfəʊtəʊˌɛtʃɪŋ/noun 1 Printing. A process by which an image is photographically transferred to a printing plate, and then etched, as in photoengraving, photogravure, and photolithography; a plate or print made in this way. 2 Manufacturing Technology and Electronics. A manufacturing technique in which a surface is coated with a photoresist and then illuminated through a mask bearing the desired pattern and selectively etched, used for making finely detailed objects such as printed circuits and microtools. OriginLate 19th century. From photo- + etching. |
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