Abstract: A power converter and a method for receiving an input voltage and providing an output voltage is presented. The power converter has a switching circuit to generate the output voltage. The switching circuit has a first switch, a switch control circuit arranged to selectively operate the first switch in a first state or a second state. There is a ripple reduction circuit to set a first state duration based on a property of a load current. The load current is a current that the power converter provides to a load that is coupled to the output voltage.

Abstract: An air knife for discharging a stream of gas onto a sheet of material. The air knife includes a main body including an inlet portion and an outlet portion, and a plurality of inlet ports. The inlet portion defines a plenum. The outlet portion defines an exit orifice in fluid communication with the plenum. The inlet ports project from the inlet portion and each inlet port comprises a passageway in fluid communication with the plenum. In some embodiments, the inlet ports project from a rear, or trailing, wall of the main body. In other embodiments, the outlet portion terminates at an exit face in which the exit orifice is formed, with a tip region of the outlet portion forming a taper angle of not more than 90 degrees in extension to the exit face.

Abstract: An extreme ultra violet (EUV) radiation source apparatus includes a chamber and the chamber encloses an EUV collector mirror. The EUV collector mirror is configured to collect and direct EUV radiation generated in the chamber and at least three exhaust ports are configured to remove debris from the chamber. In some embodiments, the exhaust ports are symmetrically arranged in a plane perpendicular to an optical axis of the collector mirror. In some embodiments, three exhaust ports are disposed such that an angle between any two adjacent ports is 120 degrees. In some embodiments, four exhaust ports are disposed such that an angle between any two adjacent ports is 90 degrees. In some embodiments, the chamber is configured to maintain a pressure in a range from 0.1 mbar to 10 mbar.

Abstract: A droplet catcher includes a tube main body and baffles arranged along a length direction of the tube main body.

Abstract: A head mounted display apparatus and an eye-tracking apparatus thereof are provided. The eye-tracking apparatus includes a first wave guide apparatus, a voltage control beam splitter, a first beam splitter, and an image capture apparatus. The voltage control beam splitter provides a first light path between the image capture apparatus, the voltage control beam splitter, and a target zone according to a control signal during a first time period. The voltage control beam splitter provides a second light path between the image capture apparatus, the first wave guide apparatus, the first beam splitter, and the target zone according to the control signal during a second time period. The image capture apparatus respectively captures a first image and a second image of the target zone through the first light path and the second light path.

Abstract: A step-sensing treadmill includes a frame assembly includes a lower frame securely mounted on a ground, a controller electrically connected to a dashboard and two step-sensing units each of which is mounted between the walking belt assembly and a left side or a right side of the lower frame of the frame assembly, and is collaborated with the controller to continuously sense a voltage variation caused by user's movement on walking belt relative to the walking belt in a motionless state. When the first voltage variation is greater than a predetermined voltage variation threshold, the controller determines that one user's left or right step on the walking belt is made, and increments a left or right step number by one. The left and right step numbers can be used to further calculate calorie burned, and determine exercising conditions of the user during an exercise activity.

Abstract: An extreme ultraviolet radiation source is provided, including a vessel and a gas scrubber. The vessel has a gas inlet from which a cleaning gas is supplied into the vessel and a gas outlet from which the cleaning gas exits the vessel. The gas scrubber is disposed within the vessel, arranged such that the cleaning gas leaves the vessel through the gas outlet after flowing through the gas scrubber. The gas scrubber has a number of gas passages to allow the cleaning gas to flow through, and the sizes of the gas passages vary according to the distance between each of the gas passages and the gas outlet.

Abstract: A head mounted display apparatus and an eye-tracking apparatus thereof are provided. The eye-tracking apparatus includes a first wave guide apparatus, a voltage control beam splitter, a first beam splitter, and an image capture apparatus. The voltage control beam splitter provides a first light path between the image capture apparatus, the voltage control beam splitter, and a target zone according to a control signal during a first time period. The voltage control beam splitter provides a second light path between the image capture apparatus, the first wave guide apparatus, the first beam splitter, and the target zone according to the control signal during a second time period. The image capture apparatus respectively captures a first image and a second image of the target zone through the first light path and the second light path.

Abstract: A head-mounted display device including a display system and a light modulator is provided. The display system is configured to selectively display a first content to be visually recognized as being superimposed on a scenery of a surrounding environment, or not display the first content. The light modulator, positioned between the display system and the surrounding environment, includes an array of pixels, wherein a portion of the pixels is configured to modulate light to present a display of a second content, while the rest of the pixels are configured to be substantially transparent to light.

Abstract: The disclosure is related to a method and a system for detecting a video scan type. In the method, a first frame and a second frame are firstly extracted from a video. The scan lines of each frame can be divided into a top field and a bottom field. A first zipper index of the combination of the top field of the first frame and the bottom field of the second frame is obtained. Further, a second zipper index of the combination of the bottom field of the first frame and the top field of the second frame is also obtained. A zipper index difference between the first zipper index and the second zipper index is calculated and is provided to determine the video scan type as an interlaced-scan video or a progressive-scan video.

Abstract: An extreme ultraviolet radiation source is provided, including a vessel, an optical collector, and a gas scrubber. The vessel has a gas inlet and a gas outlet. The optical collector is disposed within the vessel and configured to collect and reflect extreme ultraviolet light produced in the vessel. A cleaning gas is introduced into the vessel through the gas inlet to clean the surface of the optical collector. The gas scrubber is disposed within the vessel, arranged such that the cleaning gas leaves the vessel through the gas outlet after flowing through the gas scrubber. The gas scrubber has a number of gas passages to allow the cleaning gas to flow through, and the size of the gas passage close to the gas outlet is smaller than the size of the gas passage away from the gas outlet.

Abstract: The present invention discloses a laser light source module for subjecting a plate, it includes a substrate, a first light source, a second light source, a temperature reduction unit, a first modification module, a second modification module and a third modification module. The first light source emits a first light beam in the direction of an emitted area of the substrate; the second light source emits a second light beam in the direction of the emitted area of the substrate; the first modification module modifies an optical characteristic of the second light beam; the second modification module modifies the location of the plate that is subjected to the first light beam, the second light beam and/or the temperature reduction unit; and the third modification module is connected to the temperature reduction unit for modifying the angle.

Abstract: The present invention provides an image processing circuit including a region type determination circuit and a filtering circuit. In the operations of the image processing circuit, the region type determination circuit receives pixel values of a plurality of pixels within a region of an image frame, and uses a high-pass filter to filter the pixel values many times to generate a plurality of filtered pixel values, and determines if the region is an edge region, a non-edge region or a mosquito noise region to generate a determination result. The filtering circuit generates a plurality of weights according to the determination result, and uses the plurality of weights to filter a center pixel of the plurality of pixels within the region to generate an adjusted pixel value.

Abstract: A system and method for identifying application layer behavior are disclosed. In order to detect intrusion into an industrial control system, the system and method determine a current status of application layer behavior of the industrial control system by analyzing a current packet which is propagated between a master device and a slave device in the industrial control system, and identify whether the current status of the application layer behavior is normal according to a normal behavior status list.

Abstract: The image processing system receives first field information, second field information, and third field information. The first and the third field information correspond to first pixels, and the second field information corresponds to second pixels. The first pixels and the second pixels are disposed in interlaced rows. Generate the motion adaptive deinterlacing parameter of a first pixel by performing the motion detection and interpolation according to the first and the third field information. Calculate the horizontal and the vertical compensating display parameters of the first pixel according to the horizontal and vertical motion estimation values and the first and the third field information. Generate the mixed display parameter of the first pixel by using a weighted average of the horizontal or the vertical compensating display parameter of the first pixel and the motion adaptive deinterlacing parameters of the first pixel.

Abstract: An extreme ultra violet (EUV) radiation source apparatus includes a chamber and the chamber encloses an EUV collector mirror. The EUV collector mirror is configured to collect and direct EUV radiation generated in the chamber and at least three exhaust ports are configured to remove debris from the chamber. In some embodiments, the exhaust ports are symmetrically arranged in a plane perpendicular to an optical axis of the collector mirror. In some embodiments, three exhaust ports are disposed such that an angle between any two adjacent ports is 120 degrees. In some embodiments, four exhaust ports are disposed such that an angle between any two adjacent ports is 90 degrees. In some embodiments, the chamber is configured to maintain a pressure in a range from 0.1 mbar to 10 mbar.

Abstract: A droplet catcher includes a tube main body and baffles arranged along a length direction of the tube main body.

Abstract: A method for cleaning a lithography apparatus is provided. The method includes flowing a major cleaning agent in volume over a reflective surface of a collector of the lithography apparatus; and flowing a minor cleaning agent in volume intermittently over the reflective surface of the collector, so as to clean the reflective surface of the collector.

Abstract: An image processing method includes: receiving a currently-input image frame and a previously-output image frame; comparing multiple first pixels corresponding to coordinates of the currently-input image frame with multiple second pixels corresponding to coordinates of the previously-output image frame, and obtaining multiple corresponding differences; obtaining multiple dynamic parameter values based on the differences and a dynamic parameter table; obtaining multiple boundary retention values based on the dynamic parameter values and a boundary operator; and obtaining multiple currently-output pixels based on the first pixels, the second pixels, and the boundary retention values. An image processing apparatus performs the image processing method, to increase accuracy of identifying a boundary adjoining a motion region and a non-motion region, and to remove an artifact of the boundary.

Abstract: An extreme ultraviolet radiation source is provided, including a vessel, an optical collector, and a gas scrubber. The vessel has a gas inlet and a gas outlet. The optical collector is disposed within the vessel and configured to collect and reflect extreme ultraviolet light produced in the vessel. A cleaning gas is introduced into the vessel through the gas inlet to clean the surface of the optical collector. The gas scrubber is disposed within the vessel, arranged such that the cleaning gas leaves the vessel through the gas outlet after flowing through the gas scrubber. The gas scrubber has a number of gas passages to allow the cleaning gas to flow through, and the size of the gas passage close to the gas outlet is smaller than the size of the gas passage away from the gas outlet.