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US08443934B2 Acoustic resistance member and method for making the same 失效
声阻元件及其制造方法

Acoustic resistance member and method for making the same
Abstract:
An acoustic resistance member includes an air-shielding layer which does not allow air to pass through such that acoustic waves do not propagate, and an acoustic resistance layer which allows air to pass through such that acoustic waves propagate. The air-shielding layer is composed of a resin containing a coloring agent, and a part of the air-shielding layer is removed.
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