Abstract: A manufacturing method for a LED is disclosed. The method includes: providing a substrate with an upper surface; preparing a plurality of LEDs on the upper surface; wherein the upper surface is divided into a plurality of zones, the plurality of LEDs composes a plurality of LED groups, and each of the LED group is disposed in one of the plurality of zones; preparing a testing circuit to electrically connecting the plurality of LEDs in one of the plurality of LED groups; testing the plurality of LEDs in the one of the plurality of LED groups by the testing circuit to obtain photoelectrical characteristics of the plurality of LEDs in the one of the plurality of LED groups; and presenting the photoelectric characteristics in an image.

Abstract: The present disclosure is directed to techniques of zone-based target control in chemical mechanical polishing of wafers. Multiple zones are identified on a surface of a wafer. The CMP target is achieved on each zone in a sequence of CMP processes. Each CMP process in the sequence achieves the CMP target for only one zone, using a CMP process selective to other zones.

Abstract: An application sharing method includes a first device and a second device that are in a multi-screen collaboration state. A second application is installed on the second device, and a first application is installed on the first device. When a user browses an interface of the first application in the first device, and when the user expects to perform an operation on the interface, the user may invoke the second application on the second device on a display interface of the first device to complete the sharing.

Abstract: A manufacturing method for an LED includes: providing a substrate having an upper surface divided into a plurality of zones; a LED group formed on each of the zones and wherein: a plurality of the LED groups includes a first LED group; and the LEDs of the first LED group include a defective LED; forming a testing circuit on the substrate to electrically connect the LEDs; testing the first LED group by the testing circuit; recording a position of the defective LED; providing a carrier; and performing one of the following steps by the position of the defective LED: removing the defective LED from the substrate and then transferring the other LEDs in the first LED group to the carrier; transferring the other LEDs other than the defective LED in the first LED group to the carrier; or transferring the LEDs to the carrier and repairing it on the carrier.

Abstract: A manufacturing method for an LED includes: providing a substrate having an upper surface divided into a plurality of zones; a LED group formed on each of the zones and wherein: a plurality of the LED groups includes a first LED group; and the LEDs of the first LED group include a defective LED; forming a testing circuit on the substrate to electrically connect the LEDs; testing the first LED group by the testing circuit; recording a position of the defective LED; providing a carrier; and performing one of the following steps by the position of the defective LED: removing the defective LED from the substrate and then transferring the other LEDs in the first LED group to the carrier; transferring the other LEDs other than the defective LED in the first LED group to the carrier; or transferring the LEDs to the carrier and repairing it on the carrier.

Abstract: A method of preparing bio-polyols from epoxidized fatty acid esters, wherein the bio-polyols are synthesized via hydroxylation with epoxidized fatty acid esters and ring-opening reagent, using the acidic ionic liquids as catalysts. The bio-polyols are used to synthesize bio-polyurethane and bio-polyurethane foams. The acidic ionic liquids in this process is used in esterification, epoxidation, and ring-opening reaction to synthesize bio-polyols. The ionic liquids catalysts have several advantages such as easy to separate, reusable, and may reduce pollution.

Abstract: A method of preparing bio-polyols from epoxidized fatty acid esters, wherein the bio-polyols are synthesized via hydroxylation with epoxidized fatty acid esters and ring-opening reagent, using the acidic ionic liquids as catalysts. The bio-polyols are used to synthesize bio-polyurethane and bio-polyurethane foams. The acidic ionic liquids in this process is used in esterification, epoxidation, and ring-opening reaction to synthesize bio-polyols. The ionic liquids catalysts have several advantages such as easy to separate, reusable, and may reduce pollution.

Abstract: Synthesizing bio-plasticizers with acidic ionic liquids as catalysts. The acidic ionic liquids are Bronsted acidic ionic liquids, which are composed of alkyl sulfone pyridinium and strong Bronsted acid. Epoxidized fatty acid alkyl esters could be obtained via epoxidation of fatty acid alkyl esters using the acidic ionic liquids as catalysts. The epoxidized fatty acid alkyl esters perform well as bio-plasticizers, which could be substituted for phthalate ester plasticizers. The acidic ionic liquids catalysts provide good catalytic performance, are easy to separate, reusable, and may reduce corrosion of pipelines.

Abstract: Synthesizing bio-plasticizers with acidic ionic liquids as catalysts. The acidic ionic liquids are Bronsted acidic ionic liquids, which are composed of alkyl sulfone pyridinium and strong Bronsted acid. Epoxidized fatty acid alkyl esters could be obtained via epoxidation of fatty acid alkyl esters using the acidic ionic liquids as catalysts. The epoxidized fatty acid alkyl esters perform well as bio-plasticizers, which could be substituted for phthalate ester plasticizers. The acidic ionic liquids catalysts provide good catalytic performance, are easy to separate, reusable, and may reduce corrosion of pipelines.

Abstract: A device includes an excitation coil, a detector coil, and a processing circuit. The excitation coil is aligned about a volume. The excitation coil is configured to carry a first and second biasing current and generate a magnetic field in the volume. The detector coil is configured to generate an electrical signal based on a detected field within the volume. The detected field is based on the magnetic field. The processing circuit is configured to generate data based on the electrical signal.

Abstract: A wooden tenon press and connection machine for coupling a plurality of wooden strips includes a station and a slide deck located on the station, a plane cutting device, a sawtooth cutting device, a gluing device, a thrust device and a press device that are located on the station. The slide deck carries the wooden strips sliding so that end surfaces at two sides of the wooden strips can pass through respectively a plane cutter of the plane cutting device and a sawtooth cutter of the sawtooth cutting device to form a wooden tenon on each of the end surfaces at two sides of the wooden strips. The two wooden tenons are daubed with a glue through the gluing device, and pressed through the press device and pushed and moved through the thrust device so that corresponding tenons of the wooden strips are tightly coupled together.

Abstract: A strip coupling tenon forming machine for cutting a plurality of strips includes a station and a movement deck located on the station, a plane cutting device and a sawteeth cutting device. The movement deck has a holding deck to hold the strips, a slide element to carry and slide and swivel the holding deck and a rotary element. The rotary element has a holding bar anchored on the station and a rotary bar to support the holding deck. The rotary bar screws into the holding bar so that while the holding deck is swiveling its elevation also is changed. Thus, end surfaces at two sides of the strips can pass through respectively a plane cutter of the cutting device and a sawteeth cutter of the sawteeth cutting device to form respectively a coupling tenon thereon that are matched in elevation.

Abstract: A block for electrical bonding and grounding made by punching and bending a metal sheet is provided. The block for electrical bonding and grounding has a fixing section formed on its bottom end and a connecting section formed uprightly on one side of the fixing section. The fixing section has a ground portion formed thereon by bending a cut portion into a U-shape portion, and the ground portion has a ground wire passage for passing through of a ground wire. The ground wire passage has a shrunk neck portion provided for limiting the ground wire. A threaded hole is provided correspondingly such that a fastening screw can be threaded through the threaded hole to clamp the ground wire securely in position. The overall manufacturing process is easier, more convenient and quicker so that the overall cost is lowered.

Abstract: Mounting apparatus for holding goods containers in a vending machine includes a rack with a cover. At least two containers (warehouses) comprise a center warehouse with a first blocking portion and a left warehouse with a second blocking portion. A sliding member includes a flange. The sliding member can be in a a first position or in a second position. In the first position, the flange abuts the second blocking portion and is disengaged from the first blocking portion, allowing the center warehouse to be moved out of the rack but so preventing the left warehouse from also moving out of the rack. In the second position, the flange abuts the first blocking portion and is disengaged from the second blocking portion, allowing the left warehouse to be moved out of the rack but so preventing the right warehouse from also moving out of the rack.

Abstract: A vending machine allowing only one compartment at a time to be filled with goods for sale includes a rack, a plurality of warehouses, a limiting band or rope. The plurality of warehouses is slidably accommodated in the rack. The band or rope is rotatably secured to the rack and engages with each of the plurality of warehouses. The band or rope is stretched to the full when one of the plurality of warehouses is pulled out of the rack, preventing any other warehouse from being pulled out of the rack at the same time.

Abstract: A vending machine includes a sliding way, a storage compartment, and a locking structure. The storage compartment is slidable in the sliding way. The locking structure includes a latching member and a magnetic valve. The latching member is engaged with the storage compartment, and is secured to the storage compartment. The latching member is movable relative to the storage compartment between a lock position and an unlock position. When the latching member is located in the lock position, the latching member is engaged with the sliding way, and the magnetic valve is engaged with the latching member. The latching member is disengaged from the sliding way when located in the unlocked position, and the magnetic valve is disengaged from the latching member.

Abstract: A mounting apparatus for a storehouse in a vending machine is disclosed. The mounting apparatus includes a base, a limiting member, and an installation member. The base is configured for holding a storehouse and includes two blocking plates configured for receiving the storehouse therebetween. The installation member movably mounts the limiting member to one of the two blocking plates. A portion of the limiting strip is located between the two blocking plates to abut a side surface of the storehouse, preventing the storehouse from tilting in a direction substantially parallel to the two blocking plates.

Abstract: A dispensing mechanism in a vending machine includes a rack, a first sliding rail, a second sliding rail, and a goods carrier. The first sliding rail is slidably mounted to the rack and the second sliding rail is slidably mounted to the first sliding rail. The goods carrier is secured to the second sliding rail. The goods carrier defines a space for accommodating goods and horizontal movements thereof allow the delivery of purchased goods individually.

Abstract: A device includes an excitation coil, a detector coil, and a processing circuit. The excitation coil is aligned about a volume. The excitation coil is configured to carry a first and second biasing current and generate a magnetic field in the volume. The detector coil is configured to generate an electrical signal based on a detected field within the volume. The detected field is based on the magnetic field. The processing circuit is configured to generate data based on the electrical signal.

Abstract: An electronic device rack includes a first support leg, a second support leg substantially parallel to the first support leg, and a mounting member mounted between the first support leg and the second support leg. The first support leg defines a plurality of mounting holes. The mounting member includes member body, a first securing tab extending from the member body, and a protrusion extending from the member body. The first securing tab is engaged in one of the plurality of mounting holes to prevent the mounting member from moving along a first direction substantially perpendicular to the first support leg. The protrusion is engaged in one of the plurality of securing holes to prevent the mounting member from moving a third direction. The protrusion is used for being engaged into the one of the plurality of securing holes along the second direction.