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Title:
MEMBER WITH HOLES, PERMEABLE MEMBER, AND PERMEABLE COVER
Document Type and Number:
WIPO Patent Application WO/2020/184133
Kind Code:
A1
Abstract:
This member with holes is formed by forming a plurality of holes (3) in a substrate (2). The substrate (2) includes a plurality of first protruding parts (4) at a first surface (2a) where one end of the plurality of holes (3) opens. In a region that is between the adjacent plurality of holes (3), at the first surface (2a), the plurality of first protrusion parts (4) are arranged so as to match the arrangement of the plurality of holes (3).

Inventors:
NAKAGAWA RYOUICHI (JP)
Application Number:
PCT/JP2020/006766
Publication Date:
September 17, 2020
Filing Date:
February 20, 2020
Export Citation:
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Assignee:
DAIKIN IND LTD (JP)
International Classes:
H04R1/02; F24F13/20; H05K5/02; H05K5/03
Foreign References:
JPH07163441A1995-06-27
JPH0494011U1992-08-14
JP2019195756A2019-11-14
JPH0759184A1995-03-03
Other References:
See also references of EP 3913925A4
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
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