发明名称 Waterproof structure for electronic device
摘要 A waterproof structure of the present invention is for an electronic device including a housing including a first case member that has a first abutting face, and a second case member that has a second abutting face that faces the first abutting face. A water repellent treatment is applied to the first and second abutting faces, and two or more boundaries that change from a region having a relatively small liquid droplet contact angle to a region having a relatively large liquid droplet contact angle are provided along a liquid infiltration direction at an abutting ends portion of the first and second case members.
申请公布号 US9167065(B2) 申请公布日期 2015.10.20
申请号 US201013320135 申请日期 2010.04.16
申请人 NEC CORPORATION 发明人 Mikami Kensuke;Ogatsu Toshinobu;Miki Nozomi
分类号 B32B3/00;H04M1/18;B32B3/10;H05K5/06 主分类号 B32B3/00
代理机构 Sughre Mion, PLLC 代理人 Sughre Mion, PLLC
主权项 1. A waterproof structure for an electronic device comprising a housing including: a first case member including a first plurality of abutting faces, and a second case member including a second plurality of abutting faces, each facing one of the first plurality of abutting faces, wherein a water repellent treatment is applied to at least one of the first plurality of abutting faces and at least one of the second plurality of abutting faces, wherein two or more boundaries between a first region and a second region having a larger liquid droplet contact angle than that of the first region are provided along a liquid infiltration direction at an abutting ends portion of the first and second case members, and wherein a hydrophilic treated surface and a water repellent treated surface are alternatively installed on the first plurality of abutting faces and on the second plurality of abutting faces.
地址 Tokyo JP