Abstract: Disclosed is an end point detecting method of metal etching and a device thereof. The end point detecting method of metal etching comprises: performing scan to a metal film to acquire a proportion of a transparency area of the metal film in a scanned area; judging whether the proportion of the transparency area reaches a predetermined value or not; and confirming a current etching time of the metal film as an etching end point time when the predetermined value is reached. The device comprises an acquirement module, a judgment module and a confirmation module. The acquirement module performs scan to the metal film to acquire the proportion of the transparency area. The judgment module judges whether the proportion reaches the predetermined value or not. The confirmation module confirms the current etching time of the metal film as the etching end point time when the proportion reaches the predetermined value.

Abstract: A detachable lamp includes a seat, a fastening mechanism and a lighting module. The fastening mechanism includes a rotary latch having a stem and a latching portion extending from the stem. The lighting module is disposed on the seat corresponding by the fastening mechanism and includes a frame and an LED assembly received in the frame. The frame has an engaging member for being fastened by the latching portion. Thereby, the lighting module can be detachably mounted on the seat.

Abstract: A method for sealing edges of a vapor chamber includes steps of: providing a first cover and a second cover, the first cover having its periphery bent to form a first folded edge, the second cover having its periphery bent to form a second folded edge; providing a supporting structure and a wick structure between the first cover and the second cover; covering the second cover on the first cover with the second folded edge being superposed on the first folded edge; bending the first folded edge to cover on the second folded edge; and providing a pressing die to press the first folded edge, thereby tightly connecting the first folded edge to the second folded edge. In this way, excellent tightness of sealing edges of the vapor chamber is achieved. Further, the production yield of the vapor chamber is increased with a reduced cost.

Abstract: The downlight includes a seat, a depressor, a rotator, a deflector and a lamp module. The seat has a hollow and a flange therein. The depressor is fixed on the seat and corresponding to the flange. The rotator is disposed between the flange and the depressor and is capable of rotating against the seat. The deflector is received in the hollow and pivotally connected to the rotator. The lamp module is fastened to the deflector.

Abstract: In a lamp heat dissipating device and a heat dissipating assembly mounted onto a lamp base, the heat dissipating device includes a heat conducting base, a U-shaped heat pipe, and a heat dissipating body. The heat conducting base includes a groove formed on a surface of the heat conducting base. The U-shaped heat pipe includes an evaporation section and two condensation sections, and the evaporation section is combined into a groove. The heat dissipating body includes a circular cylinder and a plurality of hollow heat dissipating cylinders. The circular cylinder includes two containing grooves provided for inserting two condensation sections respectively, and the heat dissipating cylinders are arranged into a circular shape with a gap from one another and installed on an external side of the circular cylinder to increase the heat conducting area and heat dissipating area so as to improve the heat dissipating efficiency.

Abstract: A heat dissipator having a heat-conducting substrate and a plurality of heat-dissipating columns is disclosed. The heat-conducting substrate is opened with a plurality of through-holes. Each of the heat-dissipating columns is discretely set on a surface of the heat-conducting substrate. An illuminator having the heat dissipator and an LED illuminating module is also disclosed. The LED illuminating module is fixed on the heat-conducting substrate and includes a circuit board and a plurality of LEDs arranged on the circuit board. This arrangement can increase the surface area for heat exchange with surrounding air and enhance the heat-dissipating efficiency of the heat dissipator.

Abstract: A vapor chamber capillary formation method includes providing a base plate and a corresponding cover plate; forming a plurality of support protrusions on the base plate or any internal wall of the cover plate directly; coating a capillary structure onto a surface of the support protrusions, an internal wall of the base plate, and an internal wall of the cover plate; stacking and sealing the base plate and the cover plate with one another to form a cavity; and filling a working fluid into the cavity, and vacuuming and sealing the cavity. In addition, a vapor chamber capillary structure is further disclosed, and the structure can be formed on an internal wall of a casing of the vapor chamber directly, and the support strength and the yield rate of the vapor chamber can be enhanced.

Abstract: A heat dissipator having a heat-conducting substrate and a plurality of heat-dissipating columns is disclosed. The heat-conducting substrate is opened with a plurality of through-holes. Each of the heat-dissipating columns is discretely set on a surface of the heat-conducting substrate. An illuminator having the heat dissipator and an LED illuminating module is also disclosed. The LED illuminating module is fixed on the heat-conducting substrate and includes a circuit board and a plurality of LEDs arranged on the circuit board. This arrangement can increase the surface area for heat exchange with surrounding air and enhance the heat-dissipating efficiency of the heat dissipator.

Abstract: Disclosed is a metal etching method, a metal etching control method and a control device thereof. The metal etching control method is employed in a metal wet etching machine and comprises steps below: performing etching to a metal film and acquiring an etching end time of the metal film; multiplying the etching end time with a constant ratio to acquire the over etching time of the metal film; and performing etching to the metal film with the over etching time to complete the etching to the metal film. The present invention can precisely judge a total real etching time needed for each of a batch of metal films as performing metal etching to the metal films to reduce the issue of unstable etching qualities as the metal film thicknesses are not regular.

Abstract: A waterproof computer mouse includes an upper housing, a lower housing, a first waterproof ring, a second waterproof ring, a roller and a circuit board. The upper housing has an upper tubular portion downwardly extended therefrom in a through manner. The lower housing has a lower tubular portion upwardly extended therefrom through a bottom surface thereof. The upper tubular portion connects with the lower tubular portion to form a roller compartment therein. The first waterproof ring is disposed between a bottom edge of the upper housing and a top edge of the lower housing. The second waterproof ring is disposed between a bottom edge of the upper tubular portion and a top edge of the lower tubular portion. The roller is rotatably disposed in the roller compartment formed by the upper tubular portion and the lower tubular portion. The circuit board is disposed on the lower housing.

Abstract: An LED lamp with adjustable projection angle is installed to a lamp pole and includes a fixture, a pivot element, a pressing element, a heat dissipating lamp holder and an LED module. The fixture includes a transverse pipe and a cut groove formed at the transverse pipe. The pivot element is passed through the transverse pipe and pivotally coupled to the fixture. The pressing element is installed to the transverse pipe and provided for reducing the cut groove to press and clamp the pivot element. The heat dissipating lamp holder is mounted to the pivot element. The LED module is installed at the heat dissipating lamp holder, and the transverse pipe is used for adjusting the angle of elevation of the heat dissipating lamp holder and the LED module. Therefore, the road lamp can be adjusted to a required projection range to enhance the use efficiency of the road lamp.

Abstract: An LED lamp with adjustable projection angle is installed to a lamp pole and includes a fixture, a pivot element, a pressing element, a heat dissipating lamp holder and an LED module. The fixture includes a transverse pipe and a cut groove formed at the transverse pipe. The pivot element is passed through the transverse pipe and pivotally coupled to the fixture. The pressing element is installed to the transverse pipe and provided for reducing the cut groove to press and clamp the pivot element. The heat dissipating lamp holder is mounted to the pivot element. The LED module is installed at the heat dissipating lamp holder, and the transverse pipe is used for adjusting the angle of elevation of the heat dissipating lamp holder and the LED module. Therefore, the road lamp can be adjusted to a required projection range to enhance the use efficiency of the road lamp.

Abstract: A light guide structure using an LED as a light source includes a refracting base, an LED light source module, and an optical fiber tube. The refracting base has a hollow chamber with a wall in a shape without any acute angle, and the LED light source module is fixed onto the refracting base, and the LED light source module includes an LED installed in the hollow chamber. One end of the optical fiber tube is disposed in the hollow chamber, and the other end of the optical fiber tube is extended out of the refracting base. Therefore, the invention can increase the number of reflections of the light inside the hollow chamber and reduce the loss of light occurred during the refraction process to provide a lamp with good illumination.

Abstract: A LED lamp for easy assembly and fixation includes a fixing plate, a vapor chamber, a LED module, an outer frame, and fixing elements. The fixing plate has assembling holes. The vapor chamber has a heat-releasing surface brought into thermal contact with the fixing plate and a heat-absorbing surface opposite to the heat-releasing surface. The LED module includes a circuit board and LEDs arranged on the circuit board. The outer frame is provided with through-holes corresponding to the assembling holes and an accommodating opening corresponding to the LEDs. The fixing elements penetrate the through-holes and the assembling holes respectively to assemble the outer frame with the fixing plate. With this arrangement, the vapor chamber and the LED module can be sandwiched between the outer frame and the fixing plate. Thus, the present invention can be assembled and fixed to a predetermined position with an excellent structural strength.

Abstract: Disclosed is an end point detecting method of metal etching and a device thereof. The end point detecting method of metal etching comprises: performing scan to a metal film to acquire a proportion of a transparency area of the metal film in a scanned area; judging whether the proportion of the transparency area reaches a predetermined value or not; and confirming a current etching time of the metal film as an etching end point time when the predetermined value is reached. The device comprises an acquirement module, a judgment module and a confirmation module. The acquirement module performs scan to the metal film to acquire the proportion of the transparency area. The judgment module judges whether the proportion reaches the predetermined value or not. The confirmation module confirms the current etching time of the metal film as the etching end point time when the proportion reaches the predetermined value.

Abstract: Disclosed is a metal etching method, a metal etching control method and a control device thereof. The metal etching control method is employed in a metal wet etching machine and comprises steps below: performing etching to a metal film and acquiring an etching end time of the metal film; multiplying the etching end time with a constant ratio to acquire the over etching time of the metal film; and performing etching to the metal film with the over etching time to complete the etching to the metal film. The present invention can precisely judge a total real etching time needed for each of a batch of metal films as performing metal etching to the metal films to reduce the issue of unstable etching qualities as the metal film thicknesses are not regular.

Abstract: A LED street lamp including a housing, a lighting module, a metal base, and a heat dissipating module. The housing includes a bottom shell and a top shell both with openings. The lighting module is arranged in the housing. The heat dissipating module includes a metal base, a plurality of heat pipes, and a plurality of heat dissipating fins. The metal base includes a first plate and a second plate attached together. The first plate is thermally contacted with the lighting module. The heat pipes each have a heat absorbing section and a heat dissipating section. The heat absorbing section is arranged between the first plate and the second plate. The heat dissipating section is extending away from a side of the metal base. The heat dissipating fins are arranged on the heat dissipating sections. Air in the housing can naturally flow upwardly to effectively dissipate operating heat.

Abstract: A LED lamp for easy assembly and fixation includes a fixing plate, a vapor chamber, a LED module, an outer frame, and fixing elements. The fixing plate has assembling holes. The vapor chamber has a heat-releasing surface brought into thermal contact with the fixing plate and a heat-absorbing surface opposite to the heat-releasing surface. The LED module includes a circuit board and LEDs arranged on the circuit board. The outer frame is provided with through-holes corresponding to the assembling holes and an accommodating opening corresponding to the LEDs. The fixing elements penetrate the through-holes and the assembling holes respectively to assemble the outer frame with the fixing plate. With this arrangement, the vapor chamber and the LED module can be sandwiched between the outer frame and the fixing plate. Thus, the present invention can be assembled and fixed to a predetermined position with an excellent structural strength.

Abstract: A LED lamp having a heat-dissipating assembly includes a lamp seat and a LED module. The heat-dissipating assembly includes a metallic base, a vapor chamber, heat pipes, heat-dissipating fins sheathed on the heat pipes, and fixing elements. The metallic base has a first plate and a second plate overlapped with each other. The first plate and the second plate are provided with locking holes. The vapor chamber is brought into thermal contact with the first plate. The heat pipes penetrate between the first plate and the second plate. The lamp seat is provided with an opening and fixing holes corresponding to the locking holes. The fixing elements penetrate the fixing holes and the locking holes, thereby fixing the lamp seat to the metallic base. In this way, the fixation of the vapor chamber with other heat-dissipating body is simplified and the present invention can be assembled easily.

Abstract: A vapor chamber includes a first cover and a second cover covering on the first cover. The first cover has its periphery bent to form a first folded edge, and the second cover has its periphery bent to form a second folded edge. The second folded edge is superposed on the first folded edge. The first folded edge is bent to cover the second folded edge. A wick structure is arranged inside the first cover and the second cover. A working fluid is filled between the first cover and the second cover. By this structure, the tightness of the sealing edges of the vapor chamber is enhanced. The production yield of the vapor chamber is increased and the production cost is reduced.