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微(wei)(wei)穿(chuan)(chuan)孔(kong)(kong)(kong)板(ban)(ban)消(xiao)聲器是(shi)利用微(wei)(wei)穿(chuan)(chuan)孔(kong)(kong)(kong)板(ban)(ban)吸(xi)聲結構(gou)制(zhi)成的一(yi)種新型消(xiao)聲器。不用任(ren)何多孔(kong)(kong)(kong)吸(xi)聲材料，只在厚度小(xiao)于1mm的薄金(jin)屬板(ban)(ban)上鉆許多微(wei)(wei)孔(kong)(kong)(kong)，這些微(wei)(wei)孔(kong)(kong)(kong)的孔(kong)(kong)(kong)徑一(yi)般為0.5~1mm左(zuo)右，穿(chuan)(chuan)孔(kong)(kong)(kong)率(lv)在1%~3%之(zhi)間，在穿(chuan)(chuan)孔(kong)(kong)(kong)板(ban)(ban)后留有一(yi)定的空腔，就成為微(wei)(wei)穿(chuan)(chuan)孔(kong)(kong)(kong)板(ban)(ban)吸(xi)聲結構(gou)。微(wei)(wei)穿(chuan)(chuan)孔(kong)(kong)(kong)板(ban)(ban)是(shi)高聲阻、低(di)聲質量的吸(xi)聲元件。