Abstract: A method of forming a semiconductor device includes: forming a fin protruding above a substrate, where a top portion of the fin comprises a layer stack that includes alternating layers of a first semiconductor material and a second semiconductor material; forming a dummy gate structure over the fin; forming openings in the fin on opposing sides of the dummy gate structure; forming source/drain regions in the openings; removing the dummy gate structure to expose the first semiconductor material and the second semiconductor material under the dummy gate structure; performing a first etching process to selectively remove the exposed first semiconductor material, where after the first etching process, the exposed second semiconductor material form nanostructures, where each of the nanostructures has a first shape; and after the first etching process, performing a second etching process to reshape each of the nanostructures into a second shape different from the first shape.

Abstract: A method includes receiving a device design layout and a scribe line design layout surrounding the device design layout. The device design layout and the scribe line design layout are rotated in different directions. An optical proximity correction (OPC) process is performed on the rotated device design layout and the rotated scribe line design layout. A reticle includes the device design layout and the scribe line design layout is formed after performing the OPC process.

Abstract: A method for analyzing electromagnetic characteristic includes steps as follows. An electromagnetic evaluation model establishing step is performed, which includes establishing an object unit, a power transmitting unit, and a simulating unit. The object unit is an arbitrary geometry shape. The power transmitting unit has an electromagnetic signal. The simulating unit is defined as at least one base point emitting a plurality of beams to form a plurality of projection points. An electromagnetic reference model is provided, wherein the object unit and the power transmitting unit are combined to form the electromagnetic reference model. A comparing step is performed, wherein a radiation pattern data of the electromagnetic reference model and a radiation pattern data of the electromagnetic evaluation model are obtained by the electromagnetic signal, respectively, and the two radiation pattern data are compared to obtain an electromagnetic gain difference value.

Abstract: Provided is a rapid over-the-air (OTA) production line test platform, including a device under test (DUT), an antenna array and two reflecting plates. The DUT has a beamforming function. The antenna array is arranged opposite to the DUT, and emits beams with beamforming. Two reflecting plates are disposed opposite to each other, and are arranged between the DUT and the antenna array. The beam OTA test of the DUT is carried out by propagation of the beams between the antenna array, the DUT and the two reflecting plates. Accordingly, the test time can be greatly shortened and the cost of test can be effectively reduced. In addition to the above-mentioned rapid OTA production line test platform, platforms for performing the OTA production line test by using horn antenna arrays together with bending waveguides and using a 3D elliptic curve are also provided.

Abstract: The disclosure provides an ultra-wideband non-metal horn antenna, which includes three combinable non-metal elements such as an impedance matching member, a field adjustment member and an outer cover member. The impedance matching member and the field adjustment member are respectively disposed with a first and second groove structures. The field adjustment member is connected between the impedance matching member and the outer cover member. Therefore, the horn antenna of the disclosure can have a more symmetrical radiation pattern, a smaller antenna size, and ultra-wideband performance.

Abstract: The disclosure provides a coplanar inductor, which includes a first spiral arm, a second spiral arm and a conductive patch. The first spiral arm has a first end and a second end, wherein the first spiral arm spirally extends from the first end of the first spiral arm toward the second end of the first spiral arm from inside to outside. The second spiral arm has a first end and a second end. The second spiral arm extends spirally from the first end of the second spiral arm toward the second end of the second spiral arm from inside to outside. The first end of the second spiral arm is coupled to the first end of the first spiral arm through the conductive patch, and the first spiral arm and the second spiral arm are coplanar.

Abstract: The disclosure provides an ultra-wideband non-metal horn antenna, which includes three combinable non-metal elements such as an impedance matching member, a field adjustment member and an outer cover member. The impedance matching member and the field adjustment member are respectively disposed with a first and second groove structures. The field adjustment member is connected between the impedance matching member and the outer cover member. Therefore, the horn antenna of the disclosure can have a more symmetrical radiation pattern, a smaller antenna size, and ultra-wideband performance.

Abstract: A broadband linear polarization antenna structure, including a reference conductive layer, a first patch antenna, a second patch antenna, and a feeding portion, is provided. The reference conductive layer includes through holes. A first short pin is connected between the reference conductive layer and the first patch antenna, and a second short pin is connected between the first patch antenna and the second patch antenna. Each feeding portion penetrates the reference conductive layer through the through hole and is coupled to the first patch antenna.

Abstract: Provided is a rapid over-the-air (OTA) production line test platform, including a device under test (DUT), an antenna array and two reflecting plates. The DUT has a beamforming function. The antenna array is arranged opposite to the DUT, and emits beams with beamforming. Two reflecting plates are disposed opposite to each other, and are arranged between the DUT and the antenna array. The beam OTA test of the DUT is carried out by propagation of the beams between the antenna array, the DUT and the two reflecting plates. Accordingly, the test time can be greatly shortened and the cost of test can be effectively reduced. In addition to the above-mentioned rapid OTA production line test platform, platforms for performing the OTA production line test by using horn antenna arrays together with bending waveguides and using a 3D elliptic curve are also provided.

Abstract: Provided is a rapid over-the-air (OTA) production line test platform, including a device under test (DUT), an antenna array and two reflecting plates. The DUT has a beamforming function. The antenna array is arranged opposite to the DUT, and emits beams with beamforming. Two reflecting plates are disposed opposite to each other, and are arranged between the DUT and the antenna array. The beam OTA test of the DUT is carried out by propagation of the beams between the antenna array, the DUT and the two reflecting plates. Accordingly, the test time can be greatly shortened and the cost of test can be effectively reduced. In addition to the above-mentioned rapid OTA production line test platform, platforms for performing the OTA production line test by using horn antenna arrays together with bending waveguides and using a 3D elliptic curve are also provided.

Abstract: A method for analyzing electromagnetic characteristic includes steps as follows. An electromagnetic evaluation model establishing step is performed, which includes establishing an object unit, a power transmitting unit, and a simulating unit. The object unit is an arbitrary geometry shape. The power transmitting unit has an electromagnetic signal. The simulating unit is defined as at least one base point emitting a plurality of beams to form a plurality of projection points. An electromagnetic reference model is provided, wherein the object unit and the power transmitting unit are combined to form the electromagnetic reference model. A comparing step is performed, wherein a radiation pattern data of the electromagnetic reference model and a radiation pattern data of the electromagnetic evaluation model are obtained by the electromagnetic signal, respectively, and the two radiation pattern data are compared to obtain an electromagnetic gain difference value.

Abstract: A transition device includes a first metal layer, a signaling metal line, an excitation metal piece, a first dielectric layer, a plurality of conductive via elements, a reflector, and a waveguide. The first metal layer has a notch. The notch extends to the interior of the first metal layer, forming a first slot region. The signaling metal line is disposed in the notch. The excitation metal piece is disposed in the first slot region and is coupled to the signaling metal line. The first dielectric layer has a pair of first openings. The first dielectric layer includes a bridging portion disposed between the first openings. The bridging portion is configured to carry the excitation metal piece. The conductive via elements penetrate the first dielectric layer and are coupled to the first metal layer. The conductive via elements at least partially surround the first slot region.

Abstract: Provided is a rapid over-the-air (OTA) production line test platform, including a device under test (DUT), an antenna array and two reflecting plates. The DUT has a beamforming function. The antenna array is arranged opposite to the DUT, and emits beams with beamforming. Two reflecting plates are disposed opposite to each other, and are arranged between the DUT and the antenna array. The beam OTA test of the DUT is carried out by propagation of the beams between the antenna array, the DUT and the two reflecting plates. Accordingly, the test time can be greatly shortened and the cost of test can be effectively reduced. In addition to the above-mentioned rapid OTA production line test platform, platforms for performing the OTA production line test by using horn antenna arrays together with bending waveguides and using a 3D elliptic curve are also provided.

Abstract: A transition device includes a first metal layer, a signaling metal line, an excitation metal piece, a first dielectric layer, a plurality of conductive via elements, a reflector, and a waveguide. The first metal layer has a notch. The notch extends to the interior of the first metal layer, forming a first slot region. The signaling metal line is disposed in the notch. The excitation metal piece is disposed in the first slot region and is coupled to the signaling metal line. The first dielectric layer has a pair of first openings. The first dielectric layer includes a bridging portion disposed between the first openings. The bridging portion is configured to carry the excitation metal piece. The conductive via elements penetrate the first dielectric layer and are coupled to the first metal layer. The conductive via elements at least partially surround the first slot region.

Abstract: A computing device in a vehicle can determine a plurality of lane change maneuvers based on the time to collision. The computing device can determine a field of safe travel to execute the lane change maneuvers without braking to a stop and display the field of safe travel to an occupant.

Abstract: The invention provides an antenna cover for protecting an antenna element. The antenna cover includes a cover structure and a first non-smooth element. A hollow portion is formed in the cover structure. The first non-smooth element is distributed on a first inner edge of the cover structure. The first non-smooth element is configured to enhance the gain of the antenna element and increase the width of the main beam of the antenna element.

Abstract: An oral dilator includes a first body, a second body, a rotary member, and a positioning member. The first body includes a housing and a first duckbilled element. The second body includes a second duckbilled element corresponding to the first duckbilled element. The rotary member drives the second body to rotate. The positioning member is on the first body and selectively locks or unlocks the relative position between the first duckbilled element and the second duckbilled element when the second duckbilled element is driven to rotate by the rotary member.

Abstract: A dish antenna is provided. The dish antenna includes a dish, a bracket, a supporter and a receiver. The bracket is connected to the dish. The supporter is connected to the bracket. The receiver is connected to the supporter and corresponding to the dish. The bracket includes a base, a first wing plate, a second wing plate and a plurality of fastening portions. The base faces the dish. The bracket is affixed to the dish through the fastening portions. The first wing plate is disposed on a first side of the base. The second wing plate is disposed on a second side of the base. The first side is opposite to the second side. The first wing plate, the second wing plate and the fastening portions are integrally formed with the base.

Abstract: A support assembly is provided and includes an adapter, a stand, and a dish backing structure. The adapter includes two side plates and an upper plate. The side plates are respectively located at the two sides of the adapter. The upper plate is connected to the side plates and has a lower location hole. The stand is connected to the adapter. The dish backing structure has a receiving portion and includes a top wall and two side walls respectively located at the both sides of the receiving portion. The top wall has an upper location hole. When the receiving portion is connected to the adapter, a portion of the top wall abuts against the upper plate, and a gap is formed between the top wall and the upper plate. In addition, the upper location hole is aligned with the lower location hole.