Abstract: A method for repairing an ultra-thin structure by additive manufacturing by removing a damaged region of an ultra-thin structure by machining; acquiring a three-dimensional model of a region to be repaired; processing the three-dimensional model; constructing a powder carrying device on the periphery of the bottom of the region to be repaired, and allowing powder in the powder carrying device to be filled until flush with or tangent to the surface of the bottom of the region; melting, sintering or curing the powder around the outer contour of the ultra-thin structure by a high-energy beam or an auxiliary heating device, and combining the powder with the outer contour of the ultra-thin structure to form an outer contour thickened structure so as to form a flexible fixture; and repairing the region to be repaired by additive manufacturing technology according to a planned path obtained from the model processing.

Abstract: The present disclosure may provide an acoustic device. The acoustic device may include a housing, at least one low-frequency acoustic driver, at least one high-frequency acoustic driver, and a noise reduction assembly. The housing may be configured to be rested on a shoulder of a user. The at least one low-frequency acoustic driver may be carried by the housing and configured to output first sound from at least two first sound guiding holes. The at least one high-frequency acoustic driver may be carried by the housing and configured to output second sound from at least two second sound guiding holes. The noise reduction assembly may be configured to receive third sound and reduce noise of the third sound.

Abstract: The present disclosure discloses an acoustic output apparatus. The acoustic output apparatus may include at least one acoustic driver. The at least one acoustic driver may generate sound that is output through at least two sound guiding holes. Further, the acoustic output apparatus may include a supporting structure. The supporting structure may be configured to support the at least one acoustic driver. A baffle may be disposed between the at least two sound guiding holes. The baffle may increase an acoustic distance from at least one sound guiding hole of the at least two sound guiding holes to a user's ear.

Abstract: The present application discloses a sound-output device, including a vibration speaker configured to generate a bone-conducted sound wave; and an air-conducted speaker configured to generate an air-conducted sound wave. The sound-output device further comprises a signal processing module configured to generate a control signal, wherein, the vibration speaker includes a vibration assembly electrically connected to the signal processing module to receive the control signal, and generate the bone-conducted sound wave based on the control signal, and the air-conducted speaker includes a housing coupled to the vibration assembly to generate the air-conducted sound wave based on the bone-conducted sound wave.

Abstract: The present disclosure discloses an acoustic output device. The acoustic output device may include at least one acoustic driver configured to generate sounds and a housing structure configured to carry the at least one acoustic driver. The housing structure may include a cavity, and the at least one acoustic driver may be arranged in the cavity and may divide the cavity into a first cavity and a second cavity. And the sounds generated by the at least one acoustic driver may be transmitted from the first cavity and the second cavity, respectively, pass through the housing structure, and form dual sound sources arranged on two sides of an auricle, respectively.

Abstract: A unit plate position fixation method and device and a lamination machine are provided. The unit plate position fixation method includes: obtaining peripheral position information of unit plates located between two layers of separators; controlling a hot-pressing device according to the peripheral position information to perform hot pressing on the two layers of separators, so that the two layers of separators are adhered at peripheral positions of the unit plates.

Abstract: An immersion liquid supply and recovery device (2) with new-type pumping and drainage cavities includes pumping and drainage openings, pumping and drainage cavities, and sealed pumping and drainage channels, wherein the pumping and drainage cavities are in communication with an immersion flow field by means of the multiple pumping and drainage openings, and the pumping and drainage openings in communication with the different pumping and drainage cavities are circumferentially distributed in a crossed manner; at least two pumping and drainage cavities are provided, and each of the pumping and drainage cavities is in communication with an immersion liquid recovery system by one sealed pumping and drainage channel respectively; and the communication points of the pumping and drainage cavities and the sealed pumping and drainage channels are evenly arranged in the circumferential direction of the pumping and drainage cavities.

Abstract: A method for forming a forming part with an inclined surface and a forming part with an inclined surface wherein the forming method comprises: obtaining a model of the part to be formed; performing layer separating and slicing process to form a plurality of forming layers; a performing scanning path planning on each forming layer, wherein a suspended area and a non-suspended area are provided in a plurality of forming layers forming the inclined surface, frame scanning path comprises a first path and a second path, the first path corresponds to the non-suspended area and the second path corresponds to the suspended area; based on the size of the angle of inclination, setting process parameters for the first path and the second path, and printing layer by layer based on the set process parameters; wherein an energy density in the process parameters of the first path is smaller than an energy density in the process parameters of the second path.

Abstract: An immersion fluid recovery system and an immersion fluid recovery method using said system.

Abstract: The present disclosure discloses a wearable device and a wearing member thereof. The wearing member includes: a housing including a concave section, the concave section forms a downward hollow in a wearing state, and the hollow includes a first sound pickup hole for an input of a sound; and a first sound pickup member disposed in the concave section and configured to pick up the sound input through the first sound pickup hole. In such cases, the wearing member provided by the present disclosure may improve the quality of a picked-up sound by reducing a wind noise interference, thereby improving the voice control efficiency of a user to the wearing member or call quality of the wearable device.

Abstract: The present disclosure discloses a wearing member, a wearable device, and a charging system. The wearing member includes a housing and one or more electronic devices. The housing includes a first connection section and a concave section. The concave section is connected to one end of the first connection section, and the concave section forms a downward hollow in a wearing state. At least a portion of the one or more electronic devices are disposed in the concave section. Through the above manner, the wearing member disclosed in the present disclosure can utilize an installation space therein fully, optimizing a layout of the one or more electronic devices, which minimizes the wearing member and improves the utilization rate of the space.

Abstract: The embodiments of the present disclosure provide wearable devices and wearable members. The wearable member may include: a housing including a concave section, wherein a top wall of the concave section forms a downward hollow in a wearing state, and a bottom wall of the concave section includes a first sound output hole; and a speaker disposed in the concave section, wherein a resonant cavity is formed between the speaker and a first sidewall of the housing, and the first sound output hole communicates with the resonant cavity.

Abstract: Methods and apparatus for low-cost punch through flows. Pillar recesses are formed in a semiconductor structure comprising a stack of layers. A negative photoresist coating is applied over regions containing the plurality of pillar recesses. Using a mask, the negative photoresist is in regions in which dummy pillars are to be formed to causing the negative photoresist to polymerize and become insoluble to a developer. A developer is then applied to the semiconductor structure to dissolve the negative photoresist in the pillar recesses that are not exposed. A punch through operation is then performed using an etchant to punch through the bottoms of the pillar recesses that are not covered by the polymerized photoresist, while the bottoms of the pillar recesses that are covered are not punched through. The semiconductor process flow may be used in memory device, such as but not limited to 3D NAND devices.

Abstract: A forming method and a forming part with a cantilever structure. The forming method includes: obtaining a model of the part to be formed, adding an inclined supporting portion to the cantilever structure, performing layer separating and slicing process on the model, performing scanning path planning on each forming layer. A suspended area and a non-suspended area are provided in a plurality of forming layers forming the inclined surface, frame scanning path includes a first path and a second path, the first path corresponds to the non-suspended area and the second path corresponds to the suspended area. Based on the size of the angle of inclination, setting process parameters for preparation for the first path and the second path, and printing layer by layer based on the set process parameters for preparation.

Abstract: A quick-release assembly of a wearable device is disclosed and includes a locking member and a mounting base provided with an insertion cavity having an opening formed on a side of the mounting base. An accommodation cavity is provided in the mounting base and spatially connected to the insertion cavity. The locking member includes a locking portion movably disposed on the mounting base along a direction connecting the accommodation cavity and the insertion cavity and an unlocking portion connected to the locking portion. The locking member has a first state and a second state relative to the mounting base. In the first state, at least a portion of the locking portion is disposed within the insertion cavity to lock a visual member entering the insertion cavity through the opening. In the second state, the locking portion is accommodated within the accommodation cavity to release the lock of the visual member.

Abstract: The present disclosure provides various embodiments of cases for lifting portable electronic devices (PEDs) from a compartment of the case. Such a case may comprise a compartment with a rear wall and a front wall coupled to the rear wall with a space disposed between the walls. A lift member may be at least partially disposed within the compartment with an end of the lift member coupled to the front wall. The lift member may comprise a handle and a cradle portion. The cradle portion may support the PED within the compartment and upwardly lift the PED relative to the compartment when the handle is upwardly displaced by a user. Accordingly, a larger portion of the PED is exposed outside of the compartment allowing for easy removal of the PED from the compartment.

Abstract: The embodiment of the present disclosure discloses a wearable device, including: a wearing part including: a connection section and a concave section, the concave section being connected to the connection section. The concave section causes an upper edge of the wearing part to have a downward depression on the wearing part; the concave section is provided with an acoustic output end inside.

Abstract: A method for preparing the prefabricated crack defects includes defining a defect area, defining a volume percentage of the crack defects in the defect area, adjusting the proportion of spherical powder, the proportion of hollow powder and process parameters of defect preparation according to the volume percentage of the crack defects, based on the technique of laser melting deposition, printing the defect area layer by layer by using the defect preparation powder and the process parameters of defect preparation, wherein the particle size of the defect preparation powder is between 45 ?m and 150 ?m, the proportion of spherical powder?93% and the proportion of hollow powder<0.5%, the process parameters of defect preparation including: laser power of 450W-550W, scanning rate of 600 mm/min-1200 mm/min, powder feeding rate of 4 g/min-12 g/min, spot diameter of 1 mm-1.2 mm, scanning spacing of 0.5 mm-0.8 mm and layer thickness of 0.08 mm-0.2 mm.

Abstract: A method for prefabricating a poor fusion defect by controlling a LMD process, including: obtaining a model, with a shaping zone and a defect prefabricated zone that has a preset defect; and performing a layerwise slicing process on the model. For each deposition layer of the defect prefabricated zone, the preset defect has a maximum dimension a0 in a perpendicular direction; for the shaping zone, performing a shaping process under predetermined shaping process parameters of the LMD process; and for the defect prefabricated zone, controlling shaping process parameters as follows: when a0<D, with respect to the shaping zone, changing a scan pitch between shaping paths and a powder feed rate in the deposition layer, thereby prefabricating the poor fusion defect; and when a0?D, with respect to the shaping zone.

Abstract: A method for preparing prefabricated gas pore defects includes: defining a defect area, defining a volume percentage of the gas pore defects in the defect area, adjusting the proportion of satellite powder, the proportion of hollow powder and the process parameters of defect preparation according to the volume percentage of the gas pore defects, based on the technique of laser melting deposition, printing the defect area layer by layer by using the defect preparation powder and the process parameters of defect preparation, wherein the particle size of the defect preparation powder is between 45 ?m and 106 ?m, the proportion of satellite powder is 55-65% and the proportion of hollow powder is 2.9-3.1%, the process parameters of defect preparation comprises: laser power of 600W-1000W, scanning rate of 400 mm/min-800 mm/min, powder feeding rate of 12 g/min-20 g/min, spot diameter of 1 mm-2 mm, scanning spacing of 0.5 mm-1 mm and layer thickness of 0.15 mm-0.2 mm.