Patent ID: 7642470

Claim:
A panel for use in constructing an electromagnetic interference shielded enclosure, said panel comprising: one or more frame members, each said frame member including a first side wall extending between a first end and a second end, a second side wall extending between a first end and a second end, and an end wall connected to said second ends of said first side wall and said second side wall, said first side wall including a first surface extending from a first end to a second end, a lip extending outwardly from said second end of said first surface to an outer end, said first surface and said lip forming a first recess, a second surface extending from a first end to a second end, said first end of said second surface located at said outer end of said first lip, a third surface extending between a first end and a second end, said second end of said third surface being located adjacent said second end of said second surface, said third surface being located outwardly from said second surface such that a second recess is formed by said second and third surfaces; a first skin member having an edge, said edge located in said second recess of said first side wall of said frame member and welded to said first side wall; a second skin member having an edge coupled to said second side wall of said frame member, said second skin member being spaced apart from said first skin member; and a core member located between said first and second skin members.