Abstract: A hybrid circuit breaker and a pre-charge control method are provided. The hybrid circuit breaker includes an outer branch, a first branch, a first mechanical switch module, a second branch, an electronic switch and a current commutation circuit. The first branch is connected with the outer branch in series. The first mechanical switch module is located on the first branch. The second branch is connected with the first branch in parallel. The electronic switch is located on the second branch. The current commutation circuit includes a voltage source module and an inductor. The voltage source module is located on the second branch. The inductor is located on one of the first branch or the second branch.

Abstract: This disclosure is directed to a solid state transformer and a printed circuit board stack-up structure, the printed circuit board stack-up structure has a plate, a power device, a thermally conductive insulating layer, a heat diffusion layer and a thermal conductor. The plate has a first surface and a second surface respectively disposed at two sides. The power device is arranged on the first surface. The thermally conductive insulating layer is pressed to combine with the second surface and cover the second surface. The heat diffusion layer is pressed to combine with the thermally conductive insulating layer and cover the thermally conductive insulating layer. The thermal conductor is embedded in the plate and respectively connected to the power device and the thermally conductive insulating layer.

Abstract: A bearing structure for a high-low-voltage conversion circuit is disclosed and includes an insulation carrier, a first conductor layer, a second conductor layer, a first trench and a first insulation material. The first conductor layer and the second conductor layer are coated on the first surface and the second surface of the insulation carrier, respectively. A voltage difference is formed between the first conductor layer and the second conductor layer. The first trench is disposed on the first surface and surrounds an outer peripheral edge of the first conductor layer. The first conductor layer is extended from the first surface into the first trench, and the outer peripheral edge of the first conductor layer is located at a bottom of the first trench. The first insulation material covers the outer peripheral edge of the first conductor layer and is filled in the first trench.

Abstract: A bearing structure for a high-low-voltage conversion circuit is disclosed and includes an insulation carrier, a first conductor layer, a second conductor layer, a first trench and a first insulation material. The first conductor layer and the second conductor layer are coated on the first surface and the second surface of the insulation carrier, respectively. A voltage difference is formed between the first conductor layer and the second conductor layer. The first trench is disposed on the first surface and surrounds an outer peripheral edge of the first conductor layer. The first conductor layer is extended from the first surface into the first trench, and the outer peripheral edge of the first conductor layer is located at a bottom of the first trench. The first insulation material covers the outer peripheral edge of the first conductor layer and is filled in the first trench.

Abstract: The present disclosure relates to the field of nanoparticles, conjugates thereof and their use in methods of treatment or prevention of vascular inflammation. The present disclosure also relates to methods of delivering an agent to a region of a blood vessel in a patient, comprising: a) conjugating the agent to a nanoparticle to produce a conjugate; and b) delivering the conjugate to the region of the blood vessel.