Abstract: An optical device for preventing dew condensation including a housing, a transparent glass and a lens structure is provided. The housing has a first permeable portion capable of communicating between an interior and an exterior of the housing. The transparent glass has an inner surface and is coupled to the housing with the inner surface facing the interior of the housing. The lens structure is accommodated in the housing, and a chamber is formed between the lens structure, the housing and the inner surface of the transparent glass. The chamber and the exterior of the housing are capable of forming an airflow path therebetween, and the airflow path is adjustable to control whether an airflow is able to enter and exit the chamber and the exterior of the housing through the first permeable portion.

Abstract: The present invention provides an expansion mechanism for a medal storage box. The expansion mechanism can link directly to change between a storage posture and a display posture of the medal by providing a single action force. By an external action force, the expansion mechanism links to push up the medal in a display posture; whereas, by exerting another action force in an opposite direction, the position of medal can change and be collected in a flat posture. The expansion mechanism is an inner stretching mechanism, a pulling mechanism, or a pushing mechanism.

Abstract: Compositions including recurrent hepatocellular carcinoma (HCC) model generating systems are disclosed. The HCC model generating system contains a CRISPR-Cas expression vector, a transposase expression vector, and a transposon expression vector. Also provided is a non-human animal model of recurrent HCC containing genetic modifications introduced by integration of the model generating system into target liver cells of target animals. Upon stable integration, the model generating system modifies expression of Tp53 and expresses the oncogene in the target liver cells of the target animal, resulting in the development of a HCC tumors in the liver. Methods of using the non-human animal model of recurrent HCC are also provided.

Abstract: A safety device of a nail gun has a pressing module with a pressing member and a connecting member; a pneumatic module having a vent valve and a vent tube; a clamp linkage assembly having a base, a clamp seat and a pneumatic cylinder; and a trigger module with an abutting member having abutting and pushing sections; a trigger having a passage; and a safety member; the vent valve has a body and a valve rod with one end extending into the body, another end combining with the connecting member; the clamp seat is pivotally disposed on the base and has a clamping section and an abutted section; the pneumatic cylinder has an air intake part connected to the vent tube; and a push rod provided for driving the clamp seat to pivot; the safety member is pivotally disposed on the trigger and corresponds to the passage.

Abstract: A lighting device with adaptive power adjustment function includes a constant-voltage isolation circuit, a DC/DC constant-current power circuit, a controller and a load. The constant-voltage isolation circuit is connected to an external power source. The DC/DC constant-current power circuit is connected to the constant-voltage isolation circuit. The controller is connected to the DC/DC constant-current power circuit. The load includes a plurality of load units. The load is connected to the controller and the DC/DC constant-current power circuit. The controller detects the operational status of each of the load units to generate a detection result, and controls the DC/DC constant-current power circuit according to the detection result so as to adjust a total output power.

Abstract: A laser slicing apparatus, in which a laser module provides a laser beam, and a light splitting element of a focusing lens set splits the laser beam into a plurality of focused laser beams to form a plurality of induce lines having first laser modified cracks in a modified layer at a predetermined depth inside a substrate. A rotating module rotates the light splitting element with an angle, and the light splitting element converts the focused laser beams according to this angle to form a plurality of modified groups between the induce lines. Each modified group includes a plurality of modified lines having second laser modified cracks, and the first laser modified cracks and the second laser modified cracks are connected to each other to form a continuous laser modified crack in the modified layer at the predetermined depth inside the substrate, thereby speeding up the laser slicing production.

Abstract: An LED lighting device includes a power supplier, a light cover and a circuit board. The circuit board is disposed in the light cover. The circuit board has a protective layer disposed thereon and a plurality of light sources. The circuit board has a front soldering section, a rear soldering section and a circuit section. The light sources are disposed on the circuit section and electrically connected to the circuit section. The protective layer includes an opening and two coated layers. The opening includes a front section, a rear section and a connecting section. The coated layers are disposed on the two sides of the connecting section respectively. The light sources are within the connecting section. The inner space of the light cover serves as an optical zone, such that the optical zone covers the front soldering section and the rear soldering section.

Abstract: A hypochlorous acid preparation system is provided. The hypochlorous acid preparation system includes: a hypochlorous acid preparation apparatus comprising: a first inlet, wherein sulfuric acid collected from a clean room located in a semiconductor fabrication plant enters the hypochlorous acid preparation apparatus through the first inlet; a second inlet, wherein sodium hypochlorite solution enters the hypochlorous acid preparation apparatus through the second inlet; a third inlet, wherein deionized water enters the hypochlorous acid preparation apparatus through the third inlet; and an outlet, wherein hypochlorous acid is produced in situ by mixing the sulfuric acid, the sodium hypochlorite solution, and the deionized water and exits the hypochlorous acid preparation apparatus through the outlet.

Abstract: Bipolar junction transistor (BJT) structures are provided. A BJT structure includes a semiconductor substrate, a collector region formed in the semiconductor substrate, a base region formed over the collector region, an emitter region formed over the collector region, a ring-shaped shallow trench isolation (STI) region formed in the collector region, and a base dielectric layer formed over the collector region and on opposite sides of the base region. The base dielectric layer is surrounded by an inner side wall of the ring-shaped STI region.

Abstract: A lighting device having resettable over-current protection function includes a light source module, a power supplying module, a DC-to-DC converting module, an over-current short-circuit protection module, a reference voltage generating module and a self-locking protection module. The power supplying module generates an input voltage. The DC-to-DC converting module converts the input voltage into a driving voltage to drive the light source module. The over-current short-circuit protection module generates a voltage detecting by detecting a driving current passing through the light source module. The reference voltage generating module generates a reference voltage according to the input voltage and the voltage detecting signal.

Abstract: A method for forming a high electron mobility transistor is disclosed. A mesa structure having a channel layer and a barrier layer is formed on a substrate. The mesa structure has two first edges extending along a first direction and two second edges extending along a second direction. A passivation layer is formed on the substrate and the mesa structure. A first opening and a plurality of second openings connected to a bottom surface of the first opening are formed and through the passivation layer, the barrier layer and a portion of the channel layer. In a top view, the first opening exposes the two first edges of the mesa structure without exposing the two second edges of the mesa structure. A metal layer is formed in the first opening and the second openings thereby forming a contact structure.

Abstract: A semiconductor device includes an enhancement mode high electron mobility transistor (HEMT) with an active region and an isolation region. The HEMT includes a substrate, a group III-V body layer, a group III-V barrier layer and a recess. The group III-V body layer is disposed on the substrate. The group III-V barrier layer is disposed on the group III-V body layer in the active region and the isolation region. The recess is disposed in the group III-V barrier layer without penetrating the group III-V barrier layer in the active region.

Abstract: The present invention provides a method of forming an insulating structure of a high electron mobility transistor (HEMT), firstly, a gallium nitride layer is formed, next, an aluminum gallium nitride layer is formed on the gallium nitride layer, then, a first patterned photoresist layer is formed on the aluminum gallium nitride layer, and a groove is formed in the gallium nitride layer and the aluminum gallium nitride layer, next, an insulating layer is formed and filling up the groove. Afterwards, a second patterned photoresist layer is formed on the insulating layer, wherein the pattern of the first patterned photoresist layer is complementary to the pattern of the second patterned photoresist layer, and part of the insulating layer is removed, then, the second patterned photoresist layer is removed, and an etching step is performed on the remaining insulating layer to remove part of the insulating layer again.

Abstract: The present disclosure relates to a steel comprising 0.8 wt % to 0.87 wt % C; 1.5 wt % to 2.3 wt % Si; 0.5 wt % to 1.3 wt % Ni; a grain refining agent, selected from the group consisting of 0.08 wt % to 0.25 wt % V, 0.015 wt % to 0.04 wt % Nb, and a combination thereof; and the balance being Fe and inevitable impurities. The present disclosure further relates to a screwdriver bit made of the steel, and a method for processing the steel.

Abstract: A method for fabricating high electron mobility transistor (HEMT) includes the steps of: forming a buffer layer on a substrate; forming a barrier layer on the buffer layer; forming a hard mask on the barrier layer; performing an implantation process through the hard mask to form a doped region in the barrier layer and the buffer layer; removing the hard mask and the barrier layer to form a first trench; forming a gate dielectric layer on the hard mask and into the first trench; forming a gate electrode on the gate dielectric layer; and forming a source electrode and a drain electrode adjacent to two sides of the gate electrode.

Abstract: The present invention relates to rice grain with thickened aleurone. Also provided is a rice plant comprising at least one genetic variation which reduces the activity of at least one ROS1a gene in the plant. Grain of the invention, or aleurone therefrom, has improved nutritional properties, and hence is particularly useful for human and animal feed products.

Abstract: A video device, a wireless audio device and a method for performing audio and video (AV) synchronization between the video device and the wireless audio device are provided. The method includes: utilizing a controller of the video device to determine a video delay of the video device; utilizing the controller to determine an audio delay of the video device; utilizing the controller to receive information of a communications quality of the wireless audio device from the wireless audio device, to determine a wireless communications delay between the video device and the wireless audio device according to the communications quality; utilizing the controller to generate a time map information according to the video delay, the audio delay and the wireless communications delay; and transmitting the time map information from the video device to the wireless audio device for AV synchronization between the video device and the wireless audio device.

Abstract: The present disclosure provides a package structure. The package structure includes: a first die having a first front surface and a first back surface opposite to the first front surface; a second die having a second front surface and a second back surface opposite to the second front surface, wherein the first back surface faces the first front surface; and a first thermal management structure over the first back surface. The first thermal management structure includes a first copper-phosphorous alloy layer thermally coupled to the first back surface.

Abstract: A lighting device having resettable over-current protection function includes a light source module, a power supplying module, a DC-to-DC converting module, an over-current short-circuit protection module, a reference voltage generating module and a self-locking protection module. The power supplying module generates an input voltage. The DC-to-DC converting module converts the input voltage into a driving voltage to drive the light source module. The over-current short-circuit protection module generates a voltage detecting by detecting a driving current passing through the light source module. The reference voltage generating module generates a reference voltage according to the input voltage and the voltage detecting signal.

Abstract: The present disclosure provides a package structure. The package structure includes: a first die having a front surface and a back surface opposite to the front surface; and a first thermal management structure over the back surface. The first thermal management structure includes: a first copper-phosphorous alloy layer thermally coupled to and covering an entirety of the back surface of the first die.