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Patent Searching and Data


Title:
METAL MACHINED COMPONENT, COMPONENT-MOUNTED MODULE EQUIPPED WITH SAME, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2021/070807
Kind Code:
A1
Abstract:
[Problem] To treat corner portions of an etched metal machined component by a technique other than a polishing technique. [Solution] The following steps are included: a step of forming protecting layers 200 respectively on a front surface 120 and a rear surface 140 of a metal plate 100 while exposing a side surface 160 of the metal plate 100; a step of cutting out a precursor 300 for a component of interest from the metal plate 100 having the protecting layers 200 formed thereon; a step of etching the precursor 300 without detaching the protecting layers 200; a step of subjecting the etched precursor 300 to an electrical or chemical treatment to chamfer a corner portion formed between the front surface 120 and the side surface 160 and a corner portion formed between the rear surface 140 and the side surface 160; and a step of detaching the protecting layers 200 from the chamfered precursor 300.

Inventors:
MITSUHASHI FUMINORI (JP)
MATSUBARA TAKUNORI (JP)
Application Number:
JP2020/037837
Publication Date:
April 15, 2021
Filing Date:
October 06, 2020
Export Citation:
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Assignee:
UNITED PRECISION TECH CO LTD (JP)
International Classes:
C23F17/00; B21D28/02; C23F1/00; C23F1/02; C25F3/02; C25F3/14
Attorney, Agent or Firm:
YAMAUCHI, Hiroaki et al. (3-22 Kandaogawamach, Chiyoda-ku Tokyo 52, JP)
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