Invention Grant
US08925675B2 Compound membrane and acoustic device using same 有权
复合膜和声音装置使用它

Compound membrane and acoustic device using same
Abstract:
The present disclosure provides a compound membrane and an acoustic device including such a compound membrane. The compound membrane includes a polyetherimide film, and a thermoplastic polyurethance elastomer attached to one surface of the polyetherimide film.
Public/Granted literature
Information query
Patent Agency Ranking
0/0