FIELD: physics.
SUBSTANCE: micrometre and millimetre wavelength range circuit includes a multilayer circuit board, a heat-conducting substrate and a circuit module. The multilayer circuit board is opened through a window. The heat-conducting substrate has a base. The multilayer circuit board is mounted to the base. The heat-conducting substrate further includes a protruding part which extends from the base to the window of the multilayer circuit board. The circuit module is placed in the window and is situated on the protruding part. The circuit module is electrically connected to the external conducting layer of the multilayer circuit board.
EFFECT: realising a large-size circuit design.
10 cl, 9 dwg
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