Circuit device having at least one circuit carrier package cover, especially gearbox controller
A circuit device, circuit carrier technology, applied in the direction of electrical components, sealed enclosures, electrical equipment enclosures/cabinets/drawers, etc.
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[0040] figure 1 A schematic view of a first embodiment of the circuit arrangement is shown.
[0041] This not yet closed embodiment of the circuit arrangement 10 also includes a circuit carrier 12 with a plurality of electrical and / or electronic components 14 which are soldered into the circuit carrier 12 . The circuit carrier 12 can be formed from a conventional single-layer or multi-layer printed circuit board made of fiber-reinforced epoxy resin, or from a ceramic substrate (so-called “LTCC”, low temperature co-fired ceramic). The cover 18 can be made of a metallic material, such as aluminum, or optionally of a fiber-reinforced plastic material. In order to create an interior space 16 that is as tightly closed as possible, the cover 18 is connected or bonded to the circuit carrier 12 , wherein the circuit carrier 12 also has a sealing function in addition to its own function of electrical connection between the components. A cavity-shaped recess 20 is machined into the co...
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