Abstract: A roll-and-press friction-driving harmonic drive gear reducer includes: a wave generator having an elliptical external contour; a flexible spline having an output end and an open annular wall connected to the output end, the open annular wall having an external circumferential surface that includes an external roll-and-press area in an annular form, the external roll-and-press area including an annular section of external teeth adjacent to an end edge and a circumferential external curved surface adjacent to the annular external teeth; and a circular spline, which has an end that is recessed to form an accommodation hole that is inwardly extended, the accommodation hole having an internal circumferential surface that includes an internal roll-and-press area, the internal roll-and-press area including an annular section of internal teeth adjacent to an end edge and a circumferential internal curved surface adjacent to the set of internal teeth.

Abstract: A cyclopeptide is disclosed, which is represented by the following formula (I) or (I?): wherein R1 is defined in the specification. In addition, a pharmaceutical or cosmetic composition comprising the same and a method for preparing the same are also disclosed.

Abstract: A CNC milling machine includes a chassis unit having vertical seats. A machining unit includes a frontward-rearward movable machining seat located on the vertical seats, a leftward-rightward movable machining seat in front of the frontward-rearward movable machining seat, an upward-downward movable machining seat in front of the leftward-rightward movable machining seat, and a machining tool set at a bottom of the upward-downward movable machining seat. A picking robotic arm unit includes a frontward-rearward movable picking seat located on the vertical seats and in front of the frontward-rearward movable machining seat, a leftward-rightward movable picking seat above the frontward-rearward movable picking seat, an upward-downward movable picking seat adjacent to the leftward-rightward movable picking seat, and a claw set at a bottom of the upward-downward movable picking seat. Coupling achieved with a coupling unit allows the picking robotic arm unit to be driven to move by the machining unit.

Abstract: A CNC milling machine includes a chassis unit having vertical seats. A machining unit includes a frontward-rearward movable machining seat located on the vertical seats, a leftward-rightward movable machining seat in front of the frontward-rearward movable machining seat, an upward-downward movable machining seat in front of the leftward-rightward movable machining seat, and a machining tool set at a bottom of the upward-downward movable machining seat. A picking robotic arm unit includes a frontward-rearward movable picking seat located on the vertical seats and in front of the frontward-rearward movable machining seat, a leftward-rightward movable picking seat above the frontward-rearward movable picking seat, an upward-downward movable picking seat adjacent to the leftward-rightward movable picking seat, and a claw set at a bottom of the upward-downward movable picking seat. Coupling achieved with a coupling unit allows the picking robotic arm unit to be driven to move by the machining unit.

Abstract: Disclosed is a method for producing a strip for fastening elements, said strip comprising a plurality of interconnected holders, each of which accommodates a shaft of a fastening element. The holders define a fastening direction in which the fastening element can be driven from the holder into a support by a fastening device. The disclosed method comprises the following steps: a) producing a continuous strip defining a longitudinal direction of the strip; b) making the holders from the strip material by means of a deep-drawing process; c) accommodating the fastening elements in the holders.

Abstract: A semiconductor device includes a substrate having at least a trench formed therein. A conductive material fills a lower portion of the trench. A barrier layer is between the conductive material and the substrate. An insulating layer is in the trench and completely covers the conductive material and the barrier layer, wherein a portion of the insulating layer covering the barrier layer has a bird's peak profile.

Abstract: The invention provides a projector which is characterized by including a housing, a control module and a sensor. The housing is provided with a mounting structure and at least one air flowing hole. The mounting structure is located inside the housing, and the air flowing hole communicates with external environment and an interior of the housing. The control module is disposed inside the housing. The sensor is arranged on the mounting structure and aligns to the air flowing hole. The sensor is electrically connected with the control module, and the sensor receives a remote control optical signal from the external environment to generate an electrical signal and the sensor transmits the electrical signal to the control module. In this way, the manufacturing process of the projector is simplified and the manufacturing cost is reduced.

Abstract: Described herein are specific CHO genomic sites for targeted insertion of exogenous genes. The sites are located within a sequence selected from SEQ ID NOs: 1-16.

Abstract: A semiconductor device includes at least a substrate, fin-shaped structures, a protection layer, epitaxial layers, and a gate electrode. The fin-shaped structures are disposed in a first region and a second region of the substrate. The protection layer conformally covers the surface of the substrate and the sidewalls of fin-shaped structures. The epitaxial layers respectively conformally and directly cover the fin-shaped structures in the first region. The gate electrode covers the fin-shaped structures in the second region, and the protection layer is disposed between the gate electrode and the fin-shaped structures.

Abstract: A ball screw includes a screw having a primary spiral groove. A first nut unit includes a first nut and first balls. The first nut has a first spiral groove. The first balls are located in the first spiral groove and contact the inner surface of the first spiral groove by a first contact angle. A second nut unit includes a second nut and second balls. The second nut has a second spiral groove. The second balls are located in the second spiral groove and contact the inner surface of the second spiral groove by a second contact angle which is different from the first contact angle. When a first wearing trace is formed along the screw by the first balls, the first nut unit is replaced with the second nut unit. A second wearing trace is formed along the screw and not overlapped with the first wearing trace.

Abstract: A motor device includes a stator unit including a plurality of first slots, a rotor unit rotatable relative to the stator unit, a winding unit, and a transfer switch unit. The winding unit includes first and second windings installed in the first slots. Number of poles of the first winding is less than that of the second winding. The transfer switch unit is electrically connected to the first and second windings, and is controlled to allocate access to electricity to each of the first and second windings.

Abstract: A semiconductor device and a method of forming the same are disclosed. First, a substrate having a main surface is provided. At least a trench is formed in the substrate. A barrier layer is formed in the trench and a conductive material is formed on the barrier layer and filling up the trench. The barrier layer and the conductive material are then recessed to be lower than the upper surface of the substrate. After that, an oxidation process is performed to oxidize the barrier layer and the conductive material thereby forming an insulating layer.

Abstract: The present invention provides a semiconductor structure, the semiconductor structure includes a substrate, at least one active area is defined on the substrate, a buried word line is disposed in the substrate, a source/drain region disposed beside the buried word line, a diffusion barrier region, disposed at the top of the source/drain region, the diffusion barrier region comprises a plurality of doping atoms selected from the group consisting of carbon atoms, nitrogen atoms, germanium atoms, oxygen atoms, helium atoms and xenon atoms, a dielectric layer disposed on the substrate, and a contact structure disposed in the dielectric layer, and electrically connected to the source/drain region.

Abstract: A block copolymer and a method for preparing the same are disclosed. The method comprises the following steps: (A) mixing a compound of formula (I), a catalyst of formula (II), and a first solvent to obtain a first mixture; (B) adding a first monomer into the first mixture for reaction to obtain a second mixture; and (C) adding a second monomer into the second mixture for reaction to obtain a third mixture; wherein the compound of formula (I) and the catalyst of formula (II) are as defined in the specification.

Abstract: An esterification method of a copolymer is disclosed. The esterification method includes the steps of: (A) mixing a copolymer having a carboxylic acid group, an alcohol or an aminoalcohol compound, a catalyst of formula (I), and a first solvent to obtain a first mixture; (B) reacting the first mixture at a predetermined temperature to obtain a second mixture; and (C) adding the second mixture into a second solvent; wherein the catalyst of formula (I) is shown below: [M(O)a]m+Xbn+??(I) wherein M, X, a, b, in, and n are defined in the specification.

Abstract: A display device includes a pixel array, a power line, a ground line, at least one power detection line, at least one ground detection line, and a power supply circuit. The power supply circuit configured to provide to the pixel array a supply voltage via the power line and a ground voltage via the ground line, receive from the pixel array at least one detected supply voltage via the at least one power detection line and at least one detected ground voltage via the at least one ground detection line, and adjust the supply voltage and/or the ground voltage according to the at least one detected supply voltage and the at least one detected ground voltage.

Abstract: An electronic device includes a substrate and a plurality of light-emitting driving circuits. The plurality of light-emitting driving circuits are disposed on the substrate. Each of the plurality of light-emitting driving circuits includes a switch component and a pulse modulation unit. The switch component has a first terminal and a second terminal. The first terminal of the switch component is coupled to a comparison signal line. The pulse modulation unit has a first terminal and a second terminal. The first terminal of the pulse modulation unit is coupled to a data line, and the second terminal of the pulse modulation unit is coupled to the second terminal of the switch component.

Abstract: The invention provides a projector which is characterized by including a housing, a control module and a sensor. The housing is provided with a mounting structure and at least one air flowing hole. The mounting structure is located inside the housing, and the air flowing hole communicates with external environment and an interior of the housing. The control module is disposed inside the housing. The sensor is arranged on the mounting structure and aligns to the air flowing hole. The sensor is electrically connected with the control module, and the sensor receives a remote control optical signal from the external environment to generate an electrical signal and the sensor transmits the electrical signal to the control module. In this way, the manufacturing process of the projector is simplified and the manufacturing cost is reduced.

Abstract: A projector including an outer casing, a projection lens and a flexible sealing element is provided. The casing has a first opening. The projection lens is disposed in the casing and has a focusing portion, where the focusing portion is aligned to the first opening. The flexible sealing element is connected to a periphery of the first opening to seal the first opening. The focusing portion is connected to the flexible sealing element. When an external force is exerted to the flexible sealing element, the flexible sealing element is deformed and drives the focusing portion to move, so as to focus the projection lens.

Abstract: A method of fabricating a buried word line structure includes providing a substrate with a word line trench therein. Two source/drain doped regions are disposed in the substrate at two sides of the word line trench. Later, a silicon oxide layer is formed to cover the word line trench. A titanium nitride layer is formed to cover the silicon oxide layer. Next, a tilt ion implantation process is performed to implant silicon atoms into the titanium nitride layer to transform part of the titanium nitride layer into a titanium silicon nitride layer. A conductive layer is formed in the word line trench. Subsequently, part of the conductive layer, part of the titanium silicon nitride layer and part of the silicon oxide layer are removed to form a recess. Finally, a cap layer fills in the recess.