Abstract: Structures with doping free connections and methods of fabrication are provided. An exemplary structure includes a substrate; a first region of a first conductivity type formed in the substrate; an overlying layer located over the substrate; a well region of a second conductivity type formed in the overlying layer; a conductive plug laterally adjacent to the well region and extending through the overlying layer to electrically contact with the first region; and a passivation layer located between the conductive plug and the well region.

Abstract: A wearable air purifier includes at least one wearable component, a control unit, at least one speaker assembly and at least one negative ion generating component. The control unit is disposed inside the at least one wearable component. The at least one speaker assembly is disposed on the at least one wearable component and electrically connected to the control unit. The at least one negative ion generating component is disposed on the at least one wearable component and electrically connected to the control unit. The control unit provides high-voltage currents to the at least one negative ion generating component to enable the at least one negative ion generating component to emit negative ions by corona discharging, and the control unit further provides audio signals to the at least one speaker assembly to activate the at least one speaker assembly to generate sound.

Abstract: A wearable air purifier includes at least one wearable component, a control unit, at least one speaker assembly and at least one negative ion generating component. The control unit is disposed inside the at least one wearable component. The at least one speaker assembly is disposed on the at least one wearable component and electrically connected to the control unit. The at least one negative ion generating component is disposed on the at least one wearable component and electrically connected to the control unit. The control unit provides high-voltage currents to the at least one negative ion generating component to enable the at least one negative ion generating component to emit negative ions by corona discharging, and the control unit further provides audio signals to the at least one speaker assembly to activate the at least one speaker assembly to generate sound.

Abstract: A negative ion generator includes a fiber bundle, a boost circuit board, a sleeve component and an electrically conductive adhesive. The fiber bundle includes a combining portion. The boost circuit board is connected to the fiber bundle and includes an electrically conductive terminal. An output end of the electrically conductive terminal is inserted into the combining portion of the fiber bundle. The boost circuit board provides a high-voltage current to the fiber bundle to enable the fiber bundle to emit negative ions by corona discharging. An accommodating space is enclosed by the sleeve component. The combining portion of the fiber bundle is installed inside the accommodating space. The electrically conductive adhesive is poured into the accommodating space and located between the combining portion of the fiber bundle and the output end of the electrically conductive terminal for adhering and electrically connecting the fiber bundle to the electrically conductive terminal.

Abstract: A method for safeguarding a vehicle having a first image capturing device for capturing a first image, a second image capturing device for capturing a second image, and a position detector is disclosed. Based on the occurrence of alerting events along with positional information provided by the position detector, the disclosed method includes enabling the first image capturing device to capture the first image and the second image capturing device to capture the second image. The method further includes transmitting the captured first image, the captured second image, and the positional information to a pre-selected destination. The method also includes receiving a communication request asking for the first image, the second image, and the positional information and/or proactively initiating another communication request disregarding the occurrence of the alerting events.

Abstract: A method for safeguarding a vehicle having a first image capturing device for capturing a first image, a second image capturing device for capturing a second image, and a position detector is disclosed. Based on the occurrence of alerting events along with positional information provided by the position detector, the disclosed method includes enabling the first image capturing device to capture the first image and the second image capturing device to capture the second image. The method further includes transmitting the captured first image, the captured second image, and the positional information to a pre-selected destination. The method also includes receiving a communication request asking for the first image, the second image, and the positional information and/or proactively initiating another communication request disregarding the occurrence of the alerting events.