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US07329611B2 Method for forming finely-structured parts, finely-structured parts formed thereby, and product using such finely-structured part 失效
用于形成精细结构的部件,由此形成的精细结构的部件的方法和使用这种精细结构的部件的产品

Method for forming finely-structured parts, finely-structured parts formed thereby, and product using such finely-structured part
Abstract:
In a formation method for forming a fine structure in a workpiece containing an etching control component, using an isotropic etching process, a mask having an opening is applied to the workpiece, and the workpiece is etched with an etching solution to thereby form a recess, corresponding to a shape of the opening, in a surface of the workpiece. The etching of the workpiece is stopped due to the etching control component eluted out of the workpiece in the etching solution within the recess during the isotropic etching process.
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