| abstract |
An object is to provide a structure in which when a waterproof filter having an adhesive layer 1 attached thereto is attached to a housing of an electronic device, the adhesive layer 1 hardly rides onto a stepped portion 13. An acoustic part includes a housing 11 having at least one sound hole 12, an adhesive layer 1 formed into a frame shape, and a waterproof filter attached so as to cove the sound hole 12 with the adhesive layer 1 interposed therebetween, wherein the housing 1 is provided with a step position 13 for allowing the waterproof filter to engage therewith or a stepped portion 13 as a marker showing an attachment position of the waterproof filter, and an outer peripheral portion of the frame-shaped adhesive layer 1 is positioned at an inner side than an outer peripheral portion of the waterproof filter. |