Realization of three-dimensional components for signal interconnections of electromagnetic waves

An apparatus comprising:

• a first conducting layer including a plurality of through-holes;
• a second conducting layer including a plurality of through-holes;
• a first layer between the first conducting layer and the second conducting layer, wherein the first layer includes a plurality of through-holes that are at least partially aligned with the plurality of through-holes of the first conducting layer and the plurality through-holes of the second conducting layer;
• a second layer between the second conducting layer and a third conducting layer, wherein the second layer has a first waveguide channel and a second waveguide channel substantially perpendicular to and intersecting with the first waveguide channel, and wherein respective through-holes in the first conducting layer, the first layer, and the second conducting layer are configured to define respective electromagnetic wave paths to and from the first waveguide channel and the second waveguide channel;
• and
• a respective adhesive layer between one or more of:
• the first conducting layer and the first layer, the first layer and the second conducting layer, the second conducting layer and the second layer, and the second layer and the third conducting layer.

A method comprising:

• forming a first conducting layer including a plurality of through-holes;
• forming a second conducting layer including a plurality of through-holes;
• and
• forming, between the first conducting layer and the second conducting layer, a layer that has a first waveguide channel and a second waveguide channel substantially perpendicular to and intersecting with the first waveguide channel to form a T-shaped waveguide, wherein respective through-holes in the first conducting layer and the second conducting layer are configured to define respective electromagnetic wave paths to and from the first waveguide channel and the second waveguide channel;
• and
• providing an adhesive at edges of at least the second waveguide channel of the layer between the first conducting layer and the second conducting layer.