Invention Grant
US08851228B2 Speaker diaphragm and its manufacturing method 有权
扬声器隔膜及其制造方法

Speaker diaphragm and its manufacturing method
Abstract:
A speaker diaphragm structure includes a speaker diaphragm and a coating formed on the speaker diaphragm and is composed of at least one dense layer and relatively porous layer alternately arranged with respect to the at least one dense layer.
Public/Granted literature
Information query
Patent Agency Ranking
0/0