Abstract: A semiconductor fabrication method includes: forming an epitaxial stack including at least one sacrificial epitaxial layer and at least one channel epitaxial layer; forming a plurality of fins in the epitaxial stack; performing tuning operations to prevent a width of the sacrificial epitaxial layer expanding beyond a width of the channel epitaxial layer during operations to form isolation features; forming the isolation features between the plurality of fins, wherein the width of the sacrificial epitaxial layer does not expand beyond the width of the channel epitaxial layer; forming a sacrificial gate stack; forming gate sidewall spacers on sidewalls of the sacrificial gate stack; forming inner spacers around the sacrificial epitaxial layer and the channel epitaxial layer; forming source/drain features; removing the sacrificial gate stack and sacrificial epitaxial layer; and forming a replacement metal gate, wherein the metal gate is shielded from the source/drain features.

Abstract: A method of forming a nanosheet FET is provided. A plurality of first and second semiconductor layers are alternately formed on a substrate. The first and second semiconductor layers are patterned into a plurality of stacks of semiconductor layers separate from each other by a space along a direction. Each stack of semiconductor layers has a cross-sectional view along the direction gradually widening towards the substrate. An epitaxial feature is formed in each of the spaces. The patterned second semiconductor layers are then removed from each of the stacks of semiconductor layers.

Abstract: A wearable device includes a host and a head strap module. The host has a pair of host connecting ends. The head strap module includes a head strap body and a pair of strengthening assemblies. The head strap body has a pair of head strap connecting ends. The pair of head strap connecting ends are respectively detachably assembled to the pair of host connecting ends. Each of the pair of strengthening assemblies has an outer cover and an inner cover. The outer cover and the corresponding inner cover are connected to each other to jointly cover and hold the corresponding host connecting end and the corresponding head strap connecting end. In addition, a head strap module applied to a wearable device is also provided.

Abstract: A wearable device includes a host, a side head strap module, and an upper head strap module. The host has a sliding rail. The side head strap module is connected to the host. The upper head strap module includes a sliding base, a front buckle, and an upper head strap. The sliding base is detachably coupled to the sliding rail and slides along the sliding rail. The sliding rail has a first engaging part. The sliding base has a second engaging part. An engagement between the first engaging part and the second engaging part temporarily fixes the sliding base to the sliding rail. The front buckle is pivotally connected to the sliding base. The upper head strap is connected between the side head strap module and the front buckle. In addition, an upper head strap module applied to the wearable device is also proposed.

Abstract: A calibration method for a radio frequency (RF) transceiver and a calibration system thereof are provided. The calibration method includes configuring a controller to perform a first transmission test on the RF transceiver and generate a plurality of model test results for selecting a target calibration model from a plurality of reference calibration models to calibrate the RF transceiver; configuring the controller to perform a second transmission test on the RF transceiver and generate a plurality of parameter test results for selecting a target parameter set from a plurality of reference parameters to calibrate the RF transceiver; and configuring the controller to perform a third transmission test on the RF transceiver and generate a plurality of circuit test results for selecting a target simulation circuit from a plurality of reference simulation circuits to match the target simulation circuit to the RF transceiver.

Abstract: This application provides a recommendation model training method in the artificial intelligence (AI) field. The training method includes: obtaining a first training sample; processing attribute information of a first user and information about a first recommended object based on an interpolation model, to obtain an interpolation prediction label of the first training sample; and performing training by using the attribute information of the first user and the information about the first recommended object as an input to a recommendation model and using the interpolation prediction label of the first training sample as a target output value of the recommendation model, to obtain a trained recommendation model. According to the technical solutions of this application, impact of training data bias on recommendation model training can be alleviated, and recommendation model accuracy can be improved.

Abstract: A wearable device and a head strap module are provided. The wearable device includes a host and a head strap module. Two opposite sides of the host are provided with a first bracket and a second bracket. The first bracket has a first end. The second bracket has a second end. The head strap module includes a first belt, a second belt, and an adjustment mechanism. The first belt has a third end. The second belt has a fourth end. The third end and the fourth end are detachably assembled to the first end and the second end respectively. The adjustment mechanism is arranged at the overlapping position of the first belt and the second belt for adjusting the overlapping length of the first belt and the second belt.

Abstract: A wearable device includes a host, a first belt, a second belt, a circuit board, a cable, and an adjustment mechanism. The first belt, one end of which is connected to a first side of the host, has a cable holding part. One end of the second belt is connected to a second side of the host. The circuit board is disposed at an overlap of the first belt and the second belt. A first end and a second end opposite to each other of the cable are connected to the circuit board and the first side respectively, and a holding section of the cable is fixed to the cable holding part. The adjusting mechanism is disposed at an overlap of the first belt and the second belt to adjust an overlapping length of the first belt and the second belt.

Abstract: An electronic device may have a display, a display cover layer, and an image transport layer formed from a coherent fiber bundle. The coherent fiber bundle may have an input surface that receives an image from the display and a corresponding output surface to which the image is provide through the coherent fiber bundle. The coherent fiber bundle may be placed between the display and the display cover layer and mounted to a housing. The coherent fiber bundle may have fiber cores with bends that help conceal the housing from view and make the display appear borderless. A central portion of the coherent fiber bundle may be formed from different materials and/or structures than a surrounding border portion of the layer.

Abstract: A wearable device includes a host, a first belt, a second belt, a circuit board, a cable, and an adjustment mechanism. The first belt, one end of which is connected to a first side of the host, has a cable holding part. One end of the second belt is connected to a second side of the host. The circuit board is disposed at an overlap of the first belt and the second belt. A first end and a second end opposite to each other of the cable are connected to the circuit board and the first side respectively, and a holding section of the cable is fixed to the cable holding part. The adjusting mechanism is disposed at an overlap of the first belt and the second belt to adjust an overlapping length of the first belt and the second belt.

Abstract: A wearable device and a head strap module are provided. The wearable device includes a host and a head strap module. Two opposite sides of the host are provided with a first bracket and a second bracket. The first bracket has a first end. The second bracket has a second end. The head strap module includes a first belt, a second belt, and an adjustment mechanism. The first belt has a third end. The second belt has a fourth end. The third end and the fourth end are detachably assembled to the first end and the second end respectively. The adjustment mechanism is arranged at the overlapping position of the first belt and the second belt for adjusting the overlapping length of the first belt and the second belt.

Abstract: An electronic device may have a display, a display cover layer, and a sheet-packed coherent fiber bundle. The coherent fiber bundle may have an input surface that receives an image from the display and a corresponding output surface to which the image is transported. The coherent fiber bundle may be placed between the display and the display cover layer and mounted to a housing. The coherent fiber bundle may have fiber cores with bends that help conceal the housing from view and make the display appear borderless. The coherent fiber bundle has filaments formed from elongated strands of binder in which multiple fiber cores are embedded. Sheets of filaments are stacked and fused together to form the coherent fiber bundle. By aligning and fusing the sheets with respect to each other the filaments are packed with a desired density and uniformity.

Abstract: This application provides a recommendation model training method in the artificial intelligence (AI) field. The training method includes: obtaining a first training sample; processing attribute information of a first user and information about a first recommended object based on an interpolation model, to obtain an interpolation prediction label of the first training sample; and performing training by using the attribute information of the first user and the information about the first recommended object as an input to a recommendation model and using the interpolation prediction label of the first training sample as a target output value of the recommendation model, to obtain a trained recommendation model. According to the technical solutions of this application, impact of training data bias on recommendation model training can be alleviated, and recommendation model accuracy can be improved.

Abstract: A light blocking system is disclosed, which is adapted to be used in a vertical blind which includes a headrail, a control mechanism provided in the headrail, and a covering assembly including a plurality of slats. Each of the slats is connected to the control mechanism with an end thereof, and therefore is hung below the headrail. A gap is left between the covering assembly and the headrail. The control mechanism is adapted to turn the slats in situ relative to the headrail, or to move the slats back and forth in a longitudinal direction of the headrail. The light blocking system includes a cover plate provided corresponding to the gap, wherein the cover plate covers the gap when the covering assembly is in a closed state.

Abstract: A resistance mechanism is adapted to provide friction force to a cord of a window covering. The cord, accompanied by opening and closing the window covering, could be driven to move in a wound direction and a released direction, respectively. The resistance mechanism includes a resistance member including a resistance wheel. The resistance wheel is adjacent to the cord, and a section of the cord corresponding to the resistance wheel is wound around the resistance wheel. When the cord is driven to move in the wound direction or the released direction, the resistance wheel operably rotates in a first direction.

Abstract: An adjusting module adapted for a window blind is disclosed. The window blind includes a headrail, a slat, a drum and a ladder cord. The drum and the ladder cord are disposed in the headrail. The ladder cord includes a first longitudinal cord, and is detachably connected to the drum. The slat is below the headrail. The adjusting module includes at least one protrusion member which is detachably disposed on the drum. With the first longitudinal cord passing around and contacting the first protrusion member, a length of the first longitudinal cord received inside the headrail is increased, and a length thereof between the bottom of the headrail and the slat is decreased, whereby to pull up a lower side of the inclined slat, so as to adjust the slat to horizontal.

Abstract: A reel for collecting a cord of a window covering is disclosed, which includes a main body and a groove provided on the main body. While in use, the cord is wrapped around the main body after going along the groove, forming a plurality of cord loops, which include at least one first cord loop and a plurality of second cord loops. The first cord loop is at least partially received in the groove, with a part thereof protrudes out of the groove. The second loops are wrapped around the main body, and is sequentially arranged in a direction away from the groove. One of the second cord loops closest to the first cord loop abuts against the part of the first cord loop which protrudes out of the groove. A driving module for a window covering is also disclosed, which includes the aforementioned reel.

Abstract: An assembly for a window covering includes a casing and a bracket. The casing includes a front wall provided with a first connecting portion, a rear wall provided with a second connecting portion, and a connecting plate, of which two sides are respectively connected to the front wall and the rear wall. The bracket includes a holding sheet and a frame, which includes a supporting plate, and has a first snap-fit portion and a second snap-fit portion respectively provided on two ends thereof, wherein the former and the latter are respectively adapted to snap-fit the first connecting portion and the second connecting portion. The holding sheet, is connected to the frame, and sequentially includes a connecting portion and a holding portion attached to the connecting portion, wherein the holding portion has an of :set relative to the connecting portion in the second direction.

Abstract: A window covering is disclosed, including a first rail, a second rail, and a shielding structure, wherein the second rail is movable between a high position and a low position through the driving of a cord, whereby the shielding structure can be raised and lowered. The first rail has a lifting mechanism provided therein, wherein the lifting mechanism includes a reeling device and a friction wheel. The reeling device is adapted to reel in or to release the cord, wherein the cord passes around and contacts the friction wheel. The cord provides a lateral pushing force to the friction wheel, pushing the friction wheel against a rubbed member to create friction, whereby to position the second rail accurately.

Abstract: A window blind includes a headrail, a bottom rail, and a plurality of slats. The slats are horizontally suspended between the headrail and the bottom rail through ladder tapes. Each ladder tape has two warps, wherein an end of the warps is connected to a ladder drum, and another end thereof passes through the bottom rail to be connected thereto. When the ladder drum is rotated, the ladder tapes could be pulled smoothly, and the slats supported by the ladder tapes could be tightly closed. Whereby, the window blind could provide a good shielding effect.