| 摘要 |
PROBLEM TO BE SOLVED: To provide a waterproof ventilation structure in which high water resistance of a water proof ventilation film can be easily exhibited and also an acoustic gasket can be eliminated while a double-sided adhesive tape is used.SOLUTION: A waterproof ventilation structure includes: a casing 20 which comprises an inner space 22 and an opening section 21; a waterproof ventilation film 11 which is disposed so as to block the opening section 21; an electro-acoustic conversion component 40 which is disposed in the inner space 22; a first double-sided adhesive tape 31 with which the inner surface of the casing 20 and the peripheral edge section of a surface of the waterproof ventilation film 11 are directly bonded; and a second double-sided adhesive tape 32 with which the peripheral edge section of the opposite side surface of the waterproof ventilation film 11 and the component 40 are directly bonded. The waterproof ventilation film 11 has water pressure resistance of 50 kPa or more, and the substrate of the first double-sided adhesive tape 31 is a foam body. It is preferable that the total thicknesses of the waterproof ventilation film 11 and the first and second double-sided adhesive tapes 31, 32, which is measured in an uncompressed state, is larger than the distance L between the inner surface of the casing 20 and the component 40, and the foam body is disposed in a state compressed in a thickness direction thereof. |
