发明名称 |
WATERPROOF SOUND TRANSMITTING SHEET, AND METHOD FOR PRODUCING SAME |
摘要 |
Disclosed herein is a waterproof sound-transmitting sheet, the thickness of which can easily be adjusted and which has a high sound transmitting efficiency and excellent waterproofness, and a method for producing same. The waterproof sound-transmitting sheet, which is attached to a sound hole of a case, includes: a support layer made of a film-shaped porous material and formed in the case; and a waterproofing layer formed on one side of the support layer in the shape of a porous nanoweb in which fine fiber strands are crosswisely layered and exposed to the outside of the case. |
申请公布号 |
EP2789460(A1) |
申请公布日期 |
2014.10.15 |
申请号 |
EP20130862704 |
申请日期 |
2013.12.11 |
申请人 |
AMOGREENTECH CO., LTD. |
发明人 |
SEO, IN-YONG;LEE, SEUNG-HOON;HWANG, JUN-SIK;JUNG, YONG-SIK;KIM, KYUNG-SU |
分类号 |
B32B5/22;B32B27/12;B32B27/20;B32B27/30;B32B27/32;B32B37/02;G10K11/18;H04R1/00 |
主分类号 |
B32B5/22 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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