Abstract: A mounting structure for a motor includes a tube and a stator. The tube includes at least an axial positioning block and at least a radial mounting block. The stator defines an axis hole for receiving a portion of the tube therein, and at least a positioning groove in an inner surface thereof. One of the stator and the tube is rotated from an unlock position, where the at least an axial positioning block is located just above the at least a positioning groove, to a locked position, where a bottom surface of the at least an axial positioning block abuts a top surface of the stator and the at least a radial mounting block engages with the inner surface of the stator.

Abstract: A heat dissipation device (1) includes an electric fan (20) and a heat sink (10). The fan includes a fan impeller (40) which includes a hub (41) and a plurality of blades (42) extending radially and outwardly from the hub (41). The hub (41) includes an upper portion (417) and a bottom portion (413). An air inlet (411) is formed near the upper portion (417) and an air outlet (412) is formed near the bottom portion (413). The blades (42) have portions on the bottom portion of the hub which are extended toward a center of the air outlet for driving more air to the center of the air outlet (412), whereby more air can flow to a center of the heat sink.

Abstract: The present invention discloses a fluorescent gold nanocluster, comprising: a dihydrolipoic acid ligand (DHLA) on the surface thereof, wherein the fluorescent gold nanocluster generates fluorescence by the interaction between the dihydrolipoic acid ligand and the nanocluster and the particle diameter of the fluorescent gold nanocluster is between 0.5 nm and 3 nm, wherein the wavelength of the emission fluorescence of the fluorescent gold nanocluster is between 400 nm and 1000 nm. In addition, the fluorescent gold nanocluster is used as bioprobes and/or applied in fluorescent biological label, clinical image as contrast medium, clinical detection, clinical trace, and clinical treatment etc.

Abstract: A mounting structure for a motor includes a central tube (16), a supporting plate (13) and a motor-stator (30). The central tube includes two positioning blocks (162). The supporting plate includes a mounting block (18). The motor-stator includes a printed circuit board (31) and a stator (33). The stator defines an axis hole (337) for receiving a portion of the tube therein and two positioning grooves (3332) in an inner surface thereof. The printed circuit board defines a cutout (311) therein. One of the stator and the tube is rotated from an unlocked position, where the positioning blocks are located just above the positioning grooves and the mounting block is received in the cutout, to a locked position, where a bottom surface of the positioning blocks abut against a top surface of the stator and the mounting block leaves the cutout and engages with the printed circuit board.

Abstract: A fan frame includes a main body (10) and conducting wires (40) secured on the main body. The main body has a securing tab (30) extending from an outer surface thereof. The securing tab has a free end. A groove (32) for the wires to extend through is defined between the securing tab and the outer surface of the main body. At least a block (35) extends from the outer surface of the main body. A space (80) for receiving the wires therein is defined between the block, the securing tab and the outer surface of the main body. A guiding surface (352) is formed on the block from a bottom end towards a top end of the block for guiding the wires to move into the space.

Abstract: A decorative device enabling ornaments to rotate and move up and down inside a crystal ball amidst fluttering, shiny disc snowflakes, which uses a device structured from a motor mechanism, a gear mechanism, a rotary mechanism and a crystal ball so that when a motor drives and rotates transmission gears of the gear mechanism, apart from using mutually repelling of two double-sided magnets to drive and rotate a magnet impeller wheel, and thereby cause whirling of water and fluttering of shiny disc snowflakes within the crystal ball, moreover, rotating of a transmission shaft causes rotating of a rotary tray and toy figurines suspended from lower ends of ornament hanger rods. Furthermore, large and small umbrella-shaped gears drive and rotate eccentric wheels, thereby driving and causing up and down movements of the toy figurines.

Abstract: A heat dissipating fan includes a housing (201), a stator (21), a rotor (27) and a buffer structure. The housing defines an accommodating space (202) and includes a hollow tube (201b). The tube encloses first and second bearings (22, 23) therein. The stator is arranged in the accommodating space and around the tube. The rotor has a shaft rotatably disposed in the first and the second bearings. The buffer structure includes at least a pair of magnets (25, 26) received in the tube and located between the first and second bearings. Repellent force is generated between the magnets, thereby preventing at least one of the first and the second bearing from being damaged by an accidental force acting thereon.

Abstract: A fan frame (20) includes a bracket (22) and a base (24). The bracket includes a sidewall (225). An air inlet (228) is defined in a top side of the sidewall. An opposite air outlet (229) is defined in a bottom side of the sidewall. A plurality of first locking units (227) are formed on the sidewall. The base includes a main body (240), a plurality of ribs (242) and a plurality of second locking units (245). Each rib has a fixed end (2421) connected with the main body, and an opposite free end (2422). Each second locking unit is formed at the free end of a corresponding rib. The second locking units are detachably interlocked with the first locking units to mount the base to the bracket thereby to form the fan frame. The bracket and base are formed by materials having different strengths.

Abstract: An exemplary heat dissipation fan includes a fan housing 10, a bearing assembly 20, a stator 30 and a rotor 40. The fan housing includes a base 12 and a central tube 14 extending upwardly from the base. The bearing assembly includes a bearing 23 received in the central tube, a porous wick element 24 and a locking washer 25. The stator is mounted around the central tube. The rotor includes a shaft 47 extending through a bearing hole 231 of the bearing. The locking washer is mounted around the shaft and fixed on a top end of the central tube. The locking washer, the bearing and the shaft cooperatively form an oil reservoir 50 in the top end of the central tube. The porous wick element is received in the oil reservoir and physically contacts with the bearing.

Abstract: A cooling fan (1) includes a fan housing (10), a stator (20), a rotor (30) and a bearing assembly (40). A tube (111) extends upwardly from a central portion of the fan housing. The stator is mounted around the tube. The bearing assembly includes a ball bearing (333) and a sleeve bearing (335) received in two ends of the tube, respectively. The rotor has a shaft (336) extending into and roratably supported by the bearing assembly. An elastic element (332) is arranged on the ball bearing to provide a pressing force on the ball bearing toward the sleeve bearing. An oil retaining element (339) is arranged around a bottom end of the shaft and spaced from the shaft. The oil retaining element is attached to the sleeve bearing to provide oil for the sleeve bearing.

Abstract: A cooling fan includes a fan housing (30) having a central tube (34) extending upwardly thereof, a bearing (60) received in the central tube, a stator (20) mounted around the central tube, a rotor (10) including a hub (12) having a shaft (18) extending from the hub into the bearing, and a oil retaining ring (40) mounted around the shaft. A slot (180) is defined in a top end (182) of the shaft of the rotor near the hub to prevent the escaping oil from continuously creeping out along the shaft. The slot is located between the retaining ring and the bearing. The bearing has a plurality of channels (68) defined in an outer surface thereof, for guiding the escaping oil to return to an oil reservoir defined in a bottom of the central tube.

Abstract: A fan motor includes a frame (10) and a motor (30). The frame includes a supporting plate (13) and a central tube (16). A pair of arms (181) extends upwardly from the supporting plate and spaces from each other to form a gap (184) therebetween. Each arm has a barb (182) at a top end thereof. The motor includes a circuit board (31) and a stator (33). The stator defines an axial hole (338) for receiving the central tube therein. The circuit board defines a fixing hole (312) therein corresponding to the pair of arms. The pair of arms extend through the fixing hole with the barbs of the pair of arms abutting on the circuit board. A pin (191) is inserted into the gap between the pair of the arms.

Abstract: A cooling fan includes a fan housing (10) having a central tube (102) extending upwardly therefrom, a bearing (40) received in the central tube, a stator (20) mounted around the central tube, a rotor (30), and a cover (50). The bearing defines a bearing hole (47) therein. The rotor includes a hub (32), a plurality of blades (34) extending outwardly from the hub, and a shaft (36) extending downwardly from the hub into the bearing hole of the bearing. The cover is mounted around the shaft and arranged on the bearing to seal a top end of the bearing. The cover is made of powders by sintering and thus has a plurality of pores to generate capillary force to absorb lubricant oil leaking out of the bearing.

Abstract: A heat dissipating fan includes a housing (201), a stator (21), a rotor (27) and a buffer structure. The housing defines an accommodating space (202) and includes a hollow tube (201b). The tube encloses first and second bearings (22, 23) therein. The stator is arranged in the accommodating space and around the tube. The rotor has a shaft rotatably disposed in the first and the second bearings. The buffer structure includes at least a pair of magnets (25, 26) received in the tube and located between the first and second bearings. Repellent force is generated between the magnets, thereby preventing at least one of the first and the second bearing from being damaged by an accidental force acting thereon.

Abstract: A decorative device enabling ornaments to sway back and forth inside a crystal ball amidst fluttering, shiny disc snowflakes, which uses a device structured from a motor mechanism, a gear mechanism, a rocking mechanism and a crystal ball so that when a motor drives and rotates transmission gears of the gear mechanism, apart from using mutually repelling of two double-sided magnets to drive and rotate a magnet impeller wheel, and thereby cause whirling of water and fluttering of shiny disc snowflakes within the crystal ball, moreover, rotating of a main transmission shaft causes rotating of rocking horse swaying back and forth.

Abstract: A decorative device enabling ornaments to revolve on a rotary screen inside a crystal ball amidst fluttering, shiny disc snowflakes, which uses a device structured from a motor mechanism, a gear mechanism, a rotary screen mechanism and a crystal ball so that when a motor drives and rotates transmission gears of the gear mechanism, apart from using mutually repelling of two double-sided magnets to drive and rotate a magnet impeller wheel, and thereby cause whirling of water and fluttering of shiny disc snowflakes within the crystal ball, moreover, a main transmission shaft is also driven, thereby driving and causing a PVC (polyvinyl chloride) rotary screen to revolve.

Abstract: A cooling fan includes a fan housing (10) having an upper tube (111) extending downwardly from a top side thereof and a lower tube (121) extending upwardly from a bottom side thereof, a ball bearing (20) being mounted in the upper tube, a sleeve bearing (30) being mounted in the lower tube, a stator (45) mounted around the lower tube, and a rotor (40). The rotor includes a hub (401) located between the ball bearing and the sleeve bearing and a shaft (50) extending through the hub. Two ends of the shaft are rotatably received in the ball bearing and the sleeve bearing, respectively.

Abstract: A cooling fan includes a fan housing (30) having a central tube (34) extending upwardly therefrom, a bearing (61) received in the central tube and defining a bearing hole (62) therein, a stator (20) mounted around the central tube, and a rotor (10) including a hub (12) having a shaft (18) extending from the hub into the bearing hole of the bearing. The stator includes a stator core, and upper and lower insulating frames (28a, 28b) respectively located at upper and lower sides of the stator core. An oil retaining structure (288) is integrally formed with the upper insulating frame, and extends inwardly from a top of the upper insulating frame to an outer surface of the shaft.

Abstract: A mounting structure for a motor includes a central tube (16), a supporting plate (13) and a motor-stator (30). The central tube includes two positioning blocks (162). The supporting plate includes a mounting block (18). The motor-stator includes a printed circuit board (31) and a stator (33). The stator defines an axis hole (337) for receiving a portion of the tube therein and two positioning grooves (3332) in an inner surface thereof. The printed circuit board defines a cutout (311) therein. One of the stator and the tube is rotated from an unlocked position, where the positioning blocks are located just above the positioning grooves and the mounting block is received in the cutout, to a locked position, where a bottom surface of the positioning blocks abut against a top surface of the stator and the mounting block leaves the cutout and engages with the printed circuit board.

Abstract: A method for fabricating integrated circuit devices, e.g., Flash memory devices, embedded Flash memory devices. The method includes providing a semiconductor substrate, e.g., silicon, silicon on insulator, epitaxial silicon. In a specific embodiment, the semiconductor substrate has a peripheral region and a cell region. The method includes forming a first dielectric layer (e.g., silicon dioxide) having a first thickness overlying a cell region and a second dielectric layer (e.g., silicon dixode) having a second thickness overlying the peripheral region. In a specific embodiment, the cell region is for Flash memory devices and/or other like structures. The method forms a pad oxide layer overlying the first dielectric layer and forms a nitride layer overlying the pad oxide layer.