150W load plate of small-size high-power aluminium nitride ceramic substrate with grounded narrow edge
A technology of aluminum nitride ceramics and aluminum nitride substrates, applied in the direction of electrical components, circuits, waveguide devices, etc., can solve the problems of not meeting the requirements of base station miniaturization, toxicity, environmental pollution, etc.
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[0013] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0014] Such as figure 1 As shown, the narrow side grounded small size high power aluminum nitride ceramic substrate 150 watt load chip
[0015] It includes an aluminum nitride substrate 1 with a size of 5.7*8.9*1mm. The backside of the aluminum nitride substrate 1 is printed with a back-conducting layer, and the front side of the aluminum nitride substrate 1 is printed with a resistor 3 and a wire 2. The wire 2 is connected to the resistor 3 to form The load circuit, the ground end of the load circuit is electrically connected to the back conducting layer through the silver paste, so that the load circuit is grounded. The back conducting layer and wire 2 are printed with conductive silver paste, and the resistor 3 is printed with resistive paste. A glass protective film 4 is printed on the resistor 3 . A layer of black protective film 5 is...
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