Abstract: A method of fabricating a semiconductor device is provided. The method includes: loading a substrate into a substrate processing apparatus; and processing the substrate, using the substrate processing apparatus. The processing the substrate includes: providing a process gas; generating a process etchant from the process gas, using plasma ignition, the process etchant including a first etchant and a second etchant; processing the substrate, using the process etchant; identifying a composition rate of the process etchant; and controlling the processing of the substrate based on a process result according to the composition rate of the process etchant.

Abstract: A method of managing backup power for wireless vehicle communication is provided. The method includes determining whether a vehicle is turned on or off and when the vehicle is turned off, determining whether a wireless communication unit in the vehicle is in a sleep mode. When the wireless communication controller is in the sleep mode, the wireless communication controller is converted into a standby mode, and power-switching control is performed based on a standby time according to the standby mode.

Abstract: A method of managing backup power for wireless vehicle communication is provided. The method includes determining whether a vehicle is turned on or off and when the vehicle is turned off, determining whether a wireless communication unit in the vehicle is in a sleep mode. When the wireless communication controller is in the sleep mode, the wireless communication controller is converted into a standby mode, and power-switching control is performed based on a standby time according to the standby mode.

Abstract: A beamformer for performing analog beamforming of ultrasound signals received from a plurality of transducer devices, the beamformer includes: first analog devices configured to output first ultrasound signals by delaying or transmitting the ultrasound signals based on a predetermined delay time; second analog devices configured to store first sub-ultrasound signals from among the first ultrasound signals, and to output the first sub-ultrasound signals depending on whether the first sub-ultrasound signals are repeatedly used; and a processor configured to control the delay time, and to perform the analog beamforming by summing the first ultrasound signals which correspond to the plurality of transducer devices and which are outputted depending on the delay time.

Abstract: An ultrasound probe includes a plurality of transducer elements configured to transmit ultrasound waves to an object and receive ultrasound echo signals corresponding to the transmitted ultrasound waves from the object, wherein the plurality of transducer elements are classified to be included in a plurality of first sub-arrays, a plurality of first analog beamformers configured to generate first synthesized signals by performing first beamforming on each of the ultrasound echo signals received by the plurality of transducer elements included in each of the plurality of the first sub-arrays, and a second analog beamformer configured to generate a second synthesized signal by performing second beamforming on the first synthesized signals generated by the plurality of first analog beamformers.

Abstract: The present disclosure provides a beamforming apparatus, ultrasonic probe having the same, ultrasonic diagnostic apparatus, and controlling method thereof, which increases the quality of an image in a region of interest by adjusting time delays of analog and digital beamformers in a two dimensional (2D) transducer of the ultrasonic diagnostic apparatus. In accordance with an aspect of the present disclosure, a beamforming apparatus for beamforming ultrasound received through a two dimensional (2D) arrayed ultrasonic transducer is provided.

Abstract: A beamformer for performing analog beamforming of ultrasound signals received from a plurality of transducer devices, the beamformer includes: first analog devices configured to output first ultrasound signals by delaying or transmitting the ultrasound signals based on a predetermined delay time; second analog devices configured to store first sub-ultrasound signals from among the first ultrasound signals, and to output the first sub-ultrasound signals depending on whether the first sub-ultrasound signals are repeatedly used; and a processor configured to control the delay time, and to perform the analog beamforming by summing the first ultrasound signals which correspond to the plurality of transducer devices and which are outputted depending on the delay time.