Title:
防水通気フィルタおよびその製造方法
Document Type and Number:
Japanese Patent JP5898800
Kind Code:
B2
Abstract:
A water-proof air-permeable filter (1) includes: a resin film (2) having formed therein a plurality of through pores (21); and a treated layer (3) having hydrophobicity and oil repellency, and formed on at least one of both surfaces in the thickness direction of the resin film (2) such that the treated layer (3) has openings (31) at positions corresponding to the through pores (21). The through pores (21) each have a predetermined size larger than or equal to 0.01 µm and smaller than or equal to 10 µm, and are uniformly distributed such that a density of the through pores falls within specific limits included in a range from 10 to 1 × 10 8 pores/mm 2 .
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Inventors:
Ryo Furuyama
Yozo Nagai
Junichi Moriyama
Yozo Nagai
Junichi Moriyama
Application Number:
JP2015082535A
Publication Date:
April 06, 2016
Filing Date:
April 14, 2015
Export Citation:
Assignee:
NITTO DENKO CORPORATION
International Classes:
B01D39/16; B01D69/02; B01D69/12; B23K15/00; H05K5/02
Domestic Patent References:
| JP4506982A | ||||
| JP2008023469A | ||||
| JP2008237949A | ||||
| JP60038723U | ||||
| JP2010042337A | ||||
| JP2002263458A |
Attorney, Agent or Firm:
Koichi Kamata