Baker & Hostetler LLP
Waterproof sound transmitting sheet, and method for producing same
Disclosed herein is a waterproof sound-transmitting sheet having high sound transfer efficiency and excellent water proofing performance and a method for producing same. The waterproof sound-transmitting sheet includes: a sound-transmitting layer made of a polymer material and formed in the shape of a web having a plurality of pores; and a coating layer formed on at least one side of the sound-transmitting layer to block pores existing on the surface of the sound-transmitting layer.
Amogreentech Co., Ltd.
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Kyung-Su Jun-Sik Yong-Sik Seung-Hoon In-Yong
Kim Hwang Jung Lee Seo