Abstract: A method includes placing a polisher head on platen, the polisher head including a set of first magnets, and controlling a set of second magnets to rotate the polisher head on the platen, wherein controlling the set of second magnets includes reversing the polarity of at least one second magnet of the set of second magnets to produce a magnetic force on at least one first magnet of the set of first magnets, wherein the set of second magnets are external to the polisher head.

Abstract: A Totem Pole PFC circuit includes at least one fast-switching leg, a slow-switching leg, and a control unit. Each fast-switching leg includes a fast-switching upper switch and a fast-switching lower switch. The slow-switching leg is coupled in parallel to the at least one fast-switching leg, and the slow-switching leg includes a slow-switching upper switch and a slow-switching lower switch. The control unit receives an AC voltage with a phase angle, and the control unit includes a current detection loop, a voltage detection loop, and a control loop. The control loop generates a second control signal assembly to respectively control the slow-switching upper switch and the slow-switching lower switch. The control loop controls the second control signal assembly to follow the phase angle, and dynamically adjusts a duty cycle of the second control signal assembly to turn on or turn off the slow-switching upper switch and the slow-switching lower switch.

Abstract: A package structure including a semiconductor die, a redistribution circuit structure and an electronic device is provided. The semiconductor die is laterally encapsulated by an insulating encapsulation. The redistribution circuit structure is disposed on the semiconductor die and the insulating encapsulation. The redistribution circuit structure includes a colored dielectric layer, inter-dielectric layers and redistribution conductive layers embedded in the inter-dielectric layers. The electronic device is disposed over the colored dielectric layer and electrically connected to the redistribution circuit structure.

Abstract: A semiconductor package assembly is provided. The semiconductor package assembly includes first semiconductor die, a second semiconductor die and a memory package. The first semiconductor die and the second semiconductor die are stacked on each other. The first semiconductor die includes a first interface and a third interface. The first interface overlaps and is electrically connected to the second interface arranged on the second semiconductor die. The third interface is arranged on a first edge of the first semiconductor die. The memory package is disposed beside the first semiconductor die, wherein the memory package is electrically connected to the first semiconductor die by the third interface.

Abstract: An integrated circuit device includes a device layer having devices spaced in accordance with a predetermined device pitch, a first metal interconnection layer disposed above the device layer and coupled to the device layer, and a second metal interconnection layer disposed above the first metal interconnection layer and coupled to the first metal interconnection layer through a first via layer. The second metal interconnection layer has metal lines spaced in accordance with a predetermined metal line pitch, and a ratio of the predetermined metal line pitch to predetermined device pitch is less than 1.

Abstract: A method includes forming isolation regions extending into a semiconductor substrate. A semiconductor strip is between the isolation regions. The method further includes recessing the isolation regions so that a top portion of the semiconductor strip protrudes higher than top surfaces of the isolation regions to form a semiconductor fin, measuring a fin width of the semiconductor fin, generating an etch recipe based on the fin width, and performing a thinning process on the semiconductor fin using the etching recipe.

Abstract: A touch sensitive processing method, comprising: performing capacitance sensing by a touch panel to gather an approximating or touching position of an external conductive object with regard to the touch panel; determining whether the approximating or touching position is within a non-report area, wherein a shape of the non-report area is a circle or an ellipse; when the approximating or touching position is determined outside the non-report area, reporting the approximating or touching position to a host; and when the approximating or touching position is determined inside the non-report area, ignoring the approximating or touching position.

Abstract: A method for acquiring shadow-free images of a document for scanning or other purposes is applied in a device. The method includes training a shadow prediction model based on sample documents of a sample library and inputting a background color and a shadow mask of each of the sample documents extracted by the shadow prediction model into a predetermined shadow removing network for training, to obtain a shadow removing model. The method further includes obtaining a background color and a shadow mask of the document through the shadow prediction model and removing the shadows of the document based on the shadow removing model. The device utilizing the method is also disclosed.

Abstract: An object location method to obtain location information of an object based on positioning light comprises: emitting a first positioning light, to scan a preset region where the object is located to obtain a characteristic value of each of multiple standard regions in the preset region, wherein the preset region comprises multiple standard regions; determining a basic region where the object is located according to the characteristic value of each standard region, wherein each of the standard region comprises multiple basic regions; and emitting a second positioning light to the basic regions where the object is located and to obtain coordinates of the object. An electronic device and a non-transitory storage medium are also provided.

Abstract: A powdered surface monitoring system of additive manufacturing comprises an additive manufacturing processing cavity, having therein a working area carrying powder to be sintered; a laser source, generating a laser beam, which passes through a reflector, a dichroic mirror and a scanning vibration mirror and is transmitted to an upper surface of the powder in the working area; a polarization imaging device, having therein a beam expander group, a polarizer group and at least one photodetector, the polarizer group consisting of a plurality of linear polarizers, and the number of photodetectors being equal to the number of the linear polarizers.

Abstract: A powdered surface monitoring system of additive manufacturing comprises an additive manufacturing processing cavity, having therein a working area carrying powder to be sintered; a laser source, generating a laser beam, which passes through a reflector, a dichroic mirror and a scanning vibration mirror and is transmitted to an upper surface of the powder in the working area; a polarization imaging device, having therein a beam expander group, a polarizer group and at least one photodetector, the polarizer group consisting of a plurality of linear polarizers, and the number of photodetectors being equal to the number of the linear polarizers.

Abstract: An electronic device used in a method for expanding image depth obtains first images by a first sensor, the first images comprising depth information. The electronic device obtains second images by a second sensor, the second images comprising gradient information, and the first images correspond to the second images. The electronic device determines the pixels in the first images which contain expandable content according to the gradient information of the second images, applies expansion accordingly to the pixels in the first images to generate third images, and generate target depth maps according to the gradient information of the second images and the depth information of the third images.

Abstract: A method for recognition of characters by optical means in an unclear or non-optimal image of an object document, the image carrying shadows or other impediments inputs the document into a shadow prediction model to obtain a shadow mask. A determination is made as to whether the shadow mask of the document affect an optical character recognition (OCR) performance. The method further inputs the document into a shadow removing model for removal of shadows to obtain an intermediate document if the shadow mask are deemed to affect the OCR performance, then OCR can then be performed on the final object document.

Abstract: A driving warning method applied to a vehicle-mounted device is provided. The method includes detecting a moving object and a moving direction of the moving object by using at least one external sensor when a vehicle is moving. A driving behavior of a driver of the vehicle is monitored by using at least one internal sensor when the moving object and the moving direction of the moving object are detected. Once the moving direction of the moving object is not parallel to a moving direction of the vehicle and a sight direction of the driver does not cross the moving direction of the moving object, a first warning is transmitted.

Abstract: An image-based nucleic acid detection method applied to a nucleic acid detector is provided. The method includes obtaining a plurality of images when detection liquid is performing electrophoresis. Once a target image is recognized from the plurality of images, a nucleic acid detection result is analyzed based on the target image.

Abstract: A method for generating images with high dynamic range (HDR) based on multiple images captured at different aperture values, under different conditions, or at different shutter speeds is applied in a device. The method inputs the original multiple images into a predetermined model and aligns the multiple images. The method further confirms object images that need to be attended among multiple aligned images and obtains a merge weighting for each of the object images, and merges the images for a generated HDR according to the merge weighting of each image. The device utilizing the method is also disclosed.

Abstract: An electronic device used in a method for expanding image depth obtains first images by a first sensor, the first images comprising depth information. The electronic device obtains second images by a second sensor, the second images comprising gradient information, and the first images correspond to the second images. The electronic device determines the pixels in the first images which contain expandable content according to the gradient information of the second images, applies expansion accordingly to the pixels in the first images to generate third images, and generate target depth maps according to the gradient information of the second images and the depth information of the third images.

Abstract: A method for recognition of characters by optical means in an unclear or non-optimal image of an object document, the image carrying shadows or other impediments inputs the document into a shadow prediction model to obtain a shadow mask. A determination is made as to whether the shadow mask of the document affect an optical character recognition (OCR) performance. The method further inputs the document into a shadow removing model for removal of shadows to obtain an intermediate document if the shadow mask are deemed to affect the OCR performance, then OCR can then be performed on the final object document.

Abstract: A method for acquiring shadow-free images of a document for scanning or other purposes is applied in a device. The method includes training a shadow prediction model based on sample documents of a sample library and inputting a background color and a shadow mask of each of the sample documents extracted by the shadow prediction model into a predetermined shadow removing network for training, to obtain a shadow removing model. The method further includes obtaining a background color and a shadow mask of the document through the shadow prediction model and removing the shadows of the document based on the shadow removing model. The device utilizing the method is also disclosed.

Abstract: A method of training an object recognition model includes obtaining a sample set. The sample set is divided into a training set and a verification set. The object recognition model is obtained by training a neural network using the training set, and the object recognition model is verified using the verification set.