Waterproof membrane, waterproof member including same, and electronic device
AssigneeNitto Denko Corporation
InventorsTamao Fukushima, Takeo Inoue, Yu Kamamoto, Hisae Kitagawa
Life of this patent
Estimating the term…
Loading patent…
AssigneeNitto Denko Corporation
InventorsTamao Fukushima, Takeo Inoue, Yu Kamamoto, Hisae Kitagawa
Estimating the term…
A waterproof membrane of the present disclosure has an insertion loss of 5.0 dB or less for sound with a frequency of 1 kHz, and an insertion loss of 5.0 dB or less for sound with a frequency of 10 kHz when a permeation region for sound of the waterproof membrane has an area of 1.3 mm2. The waterproof membrane of the present disclosure can cope with further size reduction of the permeation region. A waterproof member of the present disclosure includes the above-mentioned waterproof membrane of the present invention and a support member joined to the waterproof membrane.
A waterproof membrane having
Dependencies are inferred from the claim text.