Abstract: A semiconductor structure and a manufacturing method thereof are provided. The manufacturing method includes: providing a substrate; forming an ion implantation area in the substrate, an upper surface of the ion implantation area having a distance from an upper surface of the substrate; forming an initial word line trench in the substrate, the initial word line trench extending from the upper surface of the substrate into the ion implantation area; widening the initial word line trench to form a word line trench, a width of a bottom of the word line trench being greater than a minimum width of the word line trench.

Abstract: An antenna structure includes at least one radiation portion, first, second, and third feed sources, and first and second grounding portions. The at least one radiation portion is formed by a partial portion of the metal frame of the electronic device, the portion being defined by gaps. The first to third feed sources are arranged at intervals and are electrically connected to the at least one radiation portion in such a way as to make the radiation portion form a plurality of antennas. The first end of the first grounding portion is electrically connected to the radiation portion, the second end of the first grounding portion is grounded, the first end of the second grounding portion is electrically connected to the radiation portion, and the second end of the second grounding portion is grounded. The present disclosure also provides an electronic device with the antenna structure.

Abstract: A microminiaturized antenna feed module includes a substrate, a plurality of coupled feed portions, and an active circuit. The substrate defines a plurality of visa penetrating the substrate. The coupled feed portions, made of conductive material and have different coupling areas, are electrically connected to the active circuit through the holes, to feed in electrical signals, the coupled feed portions couple the electrical signals to the metal frame to radiate wireless signals; the active circuit controls the switching of radiation modes of the metal frame. The application also provides an electronic device with the microminiaturized antenna feed module.

Abstract: A wireless radiation module with multiple miniaturized antennas receiving signals from multiple switchable feed points for enhanced frequency ranges includes a substrate, a radiation portion, and an active circuit. The radiation portion is spaced apart from a radiator. The radiation portion generates multiple radiation modes through coupling with the radiator, and signals are transmitted and/or received from the radiator. The active circuit is electrically connected to the radiation portion for switching between multiple radiation modes of the radiation portion. The wireless radiation module can operate in multiple radiation modes, and cover multiple frequency bands, to increase a bandwidth and have an improved antenna efficiency. The present disclosure also provides an electronic device with the wireless radiation module.

Abstract: In examples, a method for manufacturing a semiconductor die comprises, prior to forming circuitry on a semiconductor wafer, forming a horizontal array of cracks in an interior of the wafer using a laser. The method also includes, after forming the horizontal array of cracks, forming circuitry on a device side of the wafer. The method includes forming conductive bumps on the device side of the wafer.

Abstract: An antenna structure is applicable in an electronic device having a metal frame. At least one slot is defined in the metal frame. The antenna structure includes a first radiating portion, a second radiating portion, and an antenna module. The first radiating portion and the second radiating portion are portions of the metal frame. The second radiating portion is separated from the first radiating portion with the at least one slot. The antenna module is spaced from an inner side of the metal frame. A projection of the antenna module is partially overlapping a projection of the first radiating portion or a projection of the second radiating portion in a predetermined direction, the antenna structure excites a plurality of radiation modes. The application also provides an electronic device with the antenna structure.

Abstract: An antenna structure with wide radiation bandwidth in a reduced physical space includes a housing, a first feed portion, and a second feed portion. The housing includes a metallic side frame, a metallic middle frame, and a metallic back board. The metallic side frame defines first and second gaps, and the metallic back board defines a slot. The slot, the first gap, and the second gap divide the metallic side frame to give a first radiation portion. The first and second feed portions are both electrically connected to the first radiation portion. When the first feed portion supplies a current, the current flows through the first radiation portion, toward the second gap to excite a first working mode. When the second feed portion supplies a current, the current flows through the first radiation portion, toward the first gap to excite a second working mode.

Abstract: An electronic device includes a metal frame, a middle frame, and at least one antenna feed module. The metal frame includes an upper metal frame, a first side metal frame, a bottom metal frame, and a second side metal frame sequentially connected. The middle frame, spaced apart from the first side metal frame and the second side metal frame, forms a slit, the at least one antenna feed module is received in the slit.

Abstract: An antenna coupled feed module is received in a slit formed between a metal frame and at least one electronic component of an electronic device. The antenna coupled feed module includes a substrate, at least one coupled feed portion, an active circuit, a metal layer, and a non-conductive layer. The coupled feed portion and the active circuit are disposed on opposite surfaces of the substrate; the coupled feed portion couples the electrical signals to the metal layer, the metal layer conducts the electrical signals to the metal frame to radiate wireless signals; the non-conductive layer is arranged between the metal layer and the at least one coupled feed portion, and covers the coupled feed portion; the active circuit switches the electrical signals fed to the coupled feed portion. An electronic device with the antenna coupled feed module is also provided.

Abstract: Systems and techniques are provided for generating one or more models. For example, a process can include obtaining a plurality of input images corresponding to faces of one or more people during a training interval. The process can include determining a value of the coefficient representing at least the portion of the facial expression for each of the plurality of input images during the training interval. The process can include determining, from the determined values of the coefficient representing at least the portion of the facial expression for each of the plurality of input images during the training interval, an extremum value of the coefficient representing at least the portion of the facial expression during the training interval. The process can include generating an updated bounding value for the coefficient representing at least the portion of the facial expression based on the initial bounding value and the extremum value.

Abstract: A method for disease risk assessment includes a data acquiring step, a preprocessing step, and a determining step. In the data acquiring step, a medical record of a subject, a static physiological information of the subject measured, and a dynamic physiological information corresponding to different actions of the subject are obtained. In the preprocessing step, a terminal device is applied for integrating the aforementioned data to generate a current data. In the determining step, the current data is inputted into a prediction model for calculation, so as to generate a disease risk assessment result corresponding to the subject. The assessment result includes a disease category, an onset probability corresponding to the disease category, and an estimated time of the onset of the disease. Thus, the present invention accurately assesses the disease probability of the subject in the future for health improvement and disease prevention and postponement.

Abstract: An antenna structure with multiple frequency capabilities applied to an electronic device includes frame body, first feed point, a first switch point, and second switch point. The frame body has at least one portion made of metal material and defines two gaps. The frame body between gaps form a first radiation portion. The first feed point from a source feeds current and signal to the first radiation portion. The first switch point and the second switch point are located at two ends of the frame body adjacent to the first gap. The first switch point and the second switch point are grounded through a switch circuit.

Abstract: An antenna structure applied in a wireless communication device includes a metal frame, a first feed portion, a second feed portion, and a ground portion. The metal frame defines a first gap and a second gap. A portion of the metal frame positioned between the first gap and the second gap forms the first radiation portion. The first feed portion is electrically connected to the first radiation portion and a first signal feed point for feeding current and signals to the first radiation portion. The second feed portion is positioned apart from the first feed portion, electrically connected to the first radiation portion and a second signal feed point for feeding current and signal to the first radiation portion. The ground portion is positioned between the first feed portion and the second feed portion and is connected to the first radiation portion for grounding the first radiation portion.

Abstract: An antenna module includes a substrate, a radiation portion, and an active circuit. The radiation portion and the active circuit are both arranged on the substrate. The radiation portion is a complete sheet body made of conductive material, at least one signal feed point is arranged on one side of the radiation portion to feed electrical signals to the radiation portion. The radiation portion defines at least one slot, the slot divides the radiation portion into radiation branches arranged at intervals. Each radiation branch is electrically connected to a signal feeding point, so as to feed electric signals to the radiation branch. The active circuit is electrically connected to the radiation portion to switch radiation modes of the radiation portion. The application also provides an electronic device with the antenna module.

Abstract: A semiconductor structure and a manufacturing method thereof are provided. The manufacturing method includes: providing a substrate; forming an ion implantation area in the substrate, an upper surface of the ion implantation area having a distance from an upper surface of the substrate; forming an initial word line trench in the substrate, the initial word line trench extending from the upper surface of the substrate into the ion implantation area; widening the initial word line trench to form a word line trench, a width of a bottom of the word line trench being greater than a minimum width of the word line trench.

Abstract: Method for forming a capacitor includes following operations. A base is provided. First supporting layer and first sacrificial layer are formed on the base sequentially. First through holes penetrating first supporting layer and first sacrificial layer are formed to expose the base. First through holes are filled to form first filling structures. Second supporting layer covering remaining first sacrificial layer and first filling structures is formed. Second through holes penetrating second supporting layer are formed. Second sacrificial layer covering remaining second supporting layer and second through holes, and third supporting layer are formed. Third through holes penetrating third supporting layer and second sacrificial layer are formed. First filling structures are removed to communicate each of third through holes and corresponding one of first through holes.

Abstract: An antenna coupled feed module is received in a slit formed between a metal frame and at least one electronic component of an electronic device. The antenna coupled feed module includes a substrate, at least one coupled feed portion, an active circuit, a metal layer, and a non-conductive layer. The coupled feed portion and the active circuit are disposed on opposite surfaces of the substrate; the coupled feed portion couples the electrical signals to the metal layer, the metal layer conducts the electrical signals to the metal frame to radiate wireless signals; the non-conductive layer is arranged between the metal layer and the at least one coupled feed portion, and covers the coupled feed portion; the active circuit switches the electrical signals fed to the coupled feed portion. An electronic device with the antenna coupled feed module is also provided.

Abstract: An electronic device includes a metal frame, a middle frame, and at least one antenna feed module. The metal frame includes an upper metal frame, a first side metal frame, a bottom metal frame, and a second side metal frame sequentially connected. The middle frame, spaced apart from the first side metal frame and the second side metal frame, forms a slit, the at least one antenna feed module is received in the slit.

Abstract: A microminiaturized antenna feed module includes a substrate, a plurality of coupled feed portions, and an active circuit. The substrate defines a plurality of visa penetrating the substrate. The coupled feed portions, made of conductive material and have different coupling areas, are electrically connected to the active circuit through the holes, to feed in electrical signals, the coupled feed portions couple the electrical signals to the metal frame to radiate wireless signals; the active circuit controls the switching of radiation modes of the metal frame. The application also provides an electronic device with the microminiaturized antenna feed module.

Abstract: A signal feeding assembly to a radiating element which is not formed from a metal frame or casing includes a substrate, a signal coupling unit, a switching unit, and a transmission unit. The switching unit includes at least two switching output ends. The transmission unit can transmit and receive a baseband signal and an RF signal. The signal coupling unit is spaced from a radiation element and can generate a plurality of radiation modes. The signal coupling unit includes at least two coupling pieces. Each coupling piece is electrically connected to a switching output end. The switching unit controls switching of the coupling pieces through the switching output ends and can switch a plurality of radiation modes. The application also provides an antenna module and an electronic device.