Abstract: An electrostatic measuring method for an inner wall of a fluid pipeline includes a step of disposing a grounded metal plate to an outer wall of the fluid pipeline; a step of forming a grounding effect through the grounded metal plate and the outer wall, wherein the grounded metal plate has induced charges, the induced charges combine outer-wall existing charges on the outer wall to form total outer-wall charges, and the total outer-wall charges are related to charges to be measured on the inner wall of the fluid pipeline; and, a step of measuring an electrostatic voltage above the grounded metal plate so as to obtain the charges to be measured on the inner wall of the fluid pipeline. In addition, an electrostatic measuring system for inner wall of fluid pipeline is also provided.

Abstract: An electrostatic detecting system and an electrostatic detecting method for detecting the static electricity generated at an active surface of a substrate are provided. The electrostatic detecting system includes a sensing apparatus and a signal processing apparatus. The sensing apparatus is disposed at least adjacent to a back surface opposite to the active surface of the substrate, for measuring the static electricity generated at the active surface and generating an initial electric signal. The signal processing apparatus is electrically connected to the sensing apparatus, for receiving the initial electric signal and correcting the initial electric signal based on a voltage compensation value to obtain a final electric signal.

Abstract: A magnetic separator including a magnetic structure is provided. The magnetic structure includes magnetic structure units. The magnetic structure units form at least one continuous fluid channel. Each of the magnetic structure units has at least one protrusion. The magnetic structure has the protrusions facing towards each other between at least a portion of the adjacent two magnetic structure units.

Abstract: An inkjet width adjustment method adapting to three-dimensional printing equipment is provided. The method in one of exemplary embodiments is provided hereafter. A three-dimensional digital model is obtained, and a slicing procedure is performed on the three-dimensional digital model to produce a layer object, wherein the layer object has a cross-sectional contour. A surface tilt degree corresponding to the cross-sectional contour is obtained from the three-dimensional digital model, and an ideal inkjet width of the layer object is calculated according to the surface tilt degree corresponding to the cross-sectional contour. After a print module is controlled to print the layer object, an inkjet module is controlled to spray ink along the cross-sectional contour of the layer object according to the ideal inkjet width. In addition, the three-dimensional printing equipment is also provided.

Abstract: In the penetration step, a carbon dioxide fluid is contacted to a sample of coffee green bean inside a chamber at a temperature of 28-50° C. and a pressure of 950-3,500 psi for 3-30 minutes to allow the carbon dioxide fluid to penetrate into the sample of coffee green bean. In a pressure relief step, the pressure in the chamber is reduced to normal pressure in a time period of 2-15 minutes, allowing the carbon dioxide fluid penetrated into the sample of coffee green bean to break down cell wall of the sample of coffee green bean to obtain a sample of coffee green bean with broken cell wall.

Abstract: An inkjet width adjustment method adapting to three-dimensional printing equipment is provided. The method in one of exemplary embodiments is provided hereafter. A three-dimensional digital model is obtained, and a slicing procedure is performed on the three-dimensional digital model to produce a layer object, wherein the layer object has a cross-sectional contour. A surface tilt degree corresponding to the cross-sectional contour is obtained from the three-dimensional digital model, and an ideal inkjet width of the layer object is calculated according to the surface tilt degree corresponding to the cross-sectional contour. After a print module is controlled to print the layer object, an inkjet module is controlled to spray ink along the cross-sectional contour of the layer object according to the ideal inkjet width. In addition, the three-dimensional printing equipment is also provided.

Abstract: An inkjet position adjustment method and a three-dimensional printing equipment are provided. The inkjet position adjustment method includes the following steps. A three-dimensional digital model is obtained, and a slicing processing is performed on the three-dimensional digital model to generate a layer object having a cross-sectional contour. A normal direction of an object surface corresponding to the layer object is obtained from the three-dimensional digital model. When the normal direction points to a negative direction of a first axis, a surface tilt degree of the object surface corresponding to the layer object is obtained, and an inner-shift amount of an inkjet position of the layer object is calculated according to the surface tilt degree. An inkjet region of the layer object is obtained according to the inner-shift amount and the cross-sectional contour.

Abstract: A printing method for shielding component adopted to print a shielding component (2) of a 3D model (20) having multiple printing layers (11) is disclosed. The method first obtains all candidate points of first layer of the shielding component (2) and chooses one of the candidate points as a start point (211) of the first layer according to a default rule, and prints the first layer from the chosen start point (211). Next, the method obtains all candidate points of next layer of the shielding component (2) and chooses one of the candidate points of the next layer which is closest to the start point (211) of last layer to be printed as a start point of the next layer, and prints the next layer from the chosen start point.

Abstract: A method for three dimensional (3D) printing and a 3D printing device are provided. The 3D printing device includes a modeling printing head, a coloring printing head, and a platform. The modeling printing head and the coloring printing head are co-constructed. The three dimensional printing method includes: printing a forming layer and at least one material barrier outside a bounding area of the forming layer; calculating multiple coloring routes of the coloring printing head according to an edge of the forming layer; converting the coloring routes of the coloring printing head into multiple color-passing routes of the modeling printing head; calculating multiple detour routes of the modeling printing head according to the color-passing routes of the modeling printing head.

Abstract: A method for compensating coloring range of colored 3D object is disclosed. The method includes following steps: importing a 3D object; performing an object slicing process to the 3D object for generating multiple object printing-route information for multiple printing layers; performing an image slicing process to the 3D object for generating multiple color printing-route information for the multiple printing layers; performing an extension process to the color printing-route information for generating updated color printing-route information, the updated color printing-route information may cover extension blocks respectively generated from each sliced object after the sliced object is printed.

Abstract: A light-emitting device includes: a rectangular shape with a first side, a second side opposite to the first side, and a third side connecting the first side and the second side; a light-emitting stack, comprising a lower semiconductor layer, an upper semiconductor layer, and an active layer between the lower semiconductor layer and the upper semiconductor layer; a first electrode formed on the lower semiconductor layer, comprising a first electrode pad and a first extension electrode; a second electrode formed on the upper semiconductor layer, comprising a second electrode pad and a second extension electrode; and a first current blocking layer formed between the lower semiconductor layer and the first electrode pad, wherein the first current blocking layer comprises a top surface and side surfaces; wherein the first electrode pad covers the top surface and the side surfaces of the first current blocking layer and contacts the lower semiconductor layer.

Abstract: A three-dimensional printing method for a three-dimensional printer is provided. The three-dimensional printer includes a model printing head, a color printing head, and a platform. The model printing head prints a forming layer on an X-Y plane of the platform. The model printing head and the color printing head are arranged along an X-axis and co-constructed. The three-dimensional printing method includes: providing information of the forming layer and a coloring zone thereof; driving the model printing head by a processor to print the forming layer and at least one material barrier outside the forming layer; and after printing the forming layer and the material barrier, driving the color printing head by the processor to color the coloring zone along a Y-axis, such that the material barrier is located on a moving path of the model printing head during the coloring.

Abstract: An electrostatic detecting device adapted to an object. The electrostatic detecting device includes a substrate, a sensing electrode, a dielectric layer and a ground electrode. The substrate has a first surface and a second surface opposite to the first surface. The sensing electrode is disposed on the first surface and has a sensing surface. The sensing surface faces away from the first surface and configured to face the object. The dielectric layer having a dielectric constant greater than 1 is disposed on the second surface. The ground electrode is disposed apart from the sensing electrode by a spacing. The dielectric layer is disposed between the sensing electrode and the ground electrode.

Abstract: A current detection device applied to a multi-core conducting wire comprises a carrier, magnetic sensors and a processor wherein the processor is connected to the magnetic sensors. The carrier has an accommodating channel for accommodating the multi-core conducting wire. The magnetic sensors are disposed at the carrier, surround the accommodating channel, equally share 360 degree of the peripheral of the accommodating channel, and are configured to measure an alternating magnetic field of the multi-core conducting wire to respectively obtain magnetic field measured values, wherein each of the magnetic sensors corresponds to a respective one of the magnetic field measured values. The processor stores a current decoupling model, and is configured to obtain the magnetic field measured values from the magnetic sensors and to calculate a current value of each core wire of the multi-core conducting wire according to the current decoupling model and the magnetic field measured values.

Abstract: A device includes a metal pad, and a passivation layer comprising portions overlapping edge portions of the metal pad. The metal pad and the passivation layer are in a chip. A solder region is over the passivation layer. A metallic feature electrically inter-couples the metal pad and the solder region, and the metallic feature includes a continuous metal region. A polymer layer includes an upper portion over the metallic feature, and a lower portion penetrating through the continuous metal region.