Patent ID: 8494207

Claim:
A method for assembling a portable electronic device having an internal acoustic back volume, said method comprising: obtaining a printed circuit board; attaching electrical components to the printed circuit board; attaching an EMI shielding can to the printed circuit board such that the EMI shielding can is placed over one or more of the attached electrical components; attaching a speaker to the EMI shielding can; applying a form-in-place sealant to one or more particular locations of the assembled printed circuit board; curing the form-in-place sealant; and thereafter assembling the portable electronic device such that the assembled printed circuit board is provided within a housing of the portable electronic device and such that the internal acoustic back volume is formed within the portable electronic device housing and coupled to the speaker; wherein: the EMI shielding can attached to the printed circuit board includes one or more openings in at least one side of the EMI shielding can; and at least one of the one or more particular locations for the form-in-place sealant is at the one or more openings in the at least one side of the EMI shielding can.