| 摘要 |
Eyewear having an eye shield of mesh where the mesh has been formed by chemical etching is disclosed. The chemical etching involves the steps of applying a protective coating to a suitable sheet material, creating openings in the protective coating, and subjecting the sheet material to a suitable liquid such that mesh spaces are formed at the openings. In other embodiments of the invention the sheet may be exposed to a gaseous acid or an alkali.
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