Abstract: An extreme ultra-violet (EUV) lithography system includes an EUV source and EUV scanner. A droplet generator provides a droplet stream in the EUV source. A gas shield is configured to surround the droplet stream. When a laser reacts a droplet in the stream EUV radiation and ionized particles are produced. The gas shield can reduce contamination resulting from the ionized particles by conveying the ionized particles to a droplet catcher. Components of the EUV source may be biased with a voltage to repel or attract ionized particles to reduce contamination from the ionized particles.

Abstract: An image sensor comprises a pixel array, wherein at least one pixel cell in the pixel array comprises an imaging photosensitive element configured to convert a portion of incident light into charges for an image signal, and first and second phase detection photosensitive elements arranged side by side at one side of the imaging photosensitive element opposite to a light incident side and configured to convert light penetrating the imaging photosensitive element into charges for first and second phase detection signals respectively, wherein the first and second phase detection signals are used for focus detection.

Abstract: A keyboard device and an operating method thereof are provided. The keyboard device includes a microcontroller, a drive circuit, a backlight module, and a plurality of key units. The microcontroller is coupled to a computer device. A detection module of the computer device detects an input mode of the computer device. The plurality of key units is disposed on the backlight module. The plurality of key units each has a plurality of character symbols corresponding to different input modes. The microcontroller outputs a control signal to the drive circuit according to the input mode. The drive circuit drives the backlight module according to the control signal to selectively illuminate one of the plurality of character symbols of each of at least a portion of the plurality of key units.

Abstract: In accordance with embodiments of the present disclosure, an information handling system may include a chassis and a retention assembly mechanically coupled to the chassis and configured to retain an information handling resource card. The retention assembly may include a fixed member, a movable member mechanically coupled to the fixed member such that the movable member is movable relative to the fixed member in a linear axis, and at least one fastener configured to mechanically engage with the fixed member in order to maintain the movable member in a desired position relative to the fixed member.

Abstract: An extreme ultra-violet (EUV) lithography system includes an EUV source and EUV scanner. A droplet generator provides a droplet stream in the EUV source. A gas shield is configured to surround the droplet stream. When a laser reacts a droplet in the stream, EUV radiation and ionized particles are produced. The gas shield can reduce contamination resulting from the ionized particles by conveying the ionized particles to a droplet catcher. Components of the EUV source may be biased with a voltage to repel or attract ionized particles to reduce contamination from the ionized particles.

Abstract: An air baffle may include a body portion having a length and a height, as well as a plurality of folding lines arranged along the length of the air baffle. The folding lines may be substantially parallel to one another and directed along a direction of the height of the body portion. The air baffle may also include mounting features for mounting to a chassis of an information handling system. Based on a configuration of the plurality of folding lines, the air baffle may be mountable in a chassis of an information handling system to direct airflow within the chassis.

Abstract: An extreme ultra-violet (EUV) lithography system includes an EUV source and EUV scanner. A droplet generator provides a droplet stream in the EUV source. A gas shield is configured to surround the droplet stream. When a laser reacts a droplet in the stream, EUV radiation and ionized particles are produced. The gas shield can reduce contamination resulting from the ionized particles by conveying the ionized particles to a droplet catcher. Components of the EUV source may be biased with a voltage to repel or attract ionized particles to reduce contamination from the ionized particles.

Abstract: Disclosed herein a sialyl donor and its use for the synthesis of gangliosides. The sialyl donor has the structure of, wherein, R1 and R2 are independently benzoyl, toluenesulfonyl, pivaloyl or acetyl optionally substituted with a halogen; and R3 is acetyl or —(O)CCH2OH. In one preferred embodiment, in the sialyl donor of formula (I), R is acetyl. Also disclosed herein is a method of synthesizing a sialoside. The method comprises steps of: coupling the sialyl donor of formula (I) with a glycosyl acceptor having a primary hydroxyl group in the presence of N-iodosuccinimide (NIS) and trifluoromethanesulfonic acid (TfOH) under suitable conditions; and isolating the sialoside, which has an ?-glycosidic linkage. According to preferred embodiments, the coupling is conducted in a solvent selected from the group consisting of, CH3CN, CH3Cl, and CH2Cl2 at a temperature between ?20° C. to ?60° C.

Abstract: An optical mouse is provided with a conversion unit, a control unit, an optical sensing unit, a light emitting unit, and a switch unit. The conversion unit is electrically connected to a working voltage source, the control unit, and the optical sensing unit. The conversion unit is configured to convert voltage to supply power to the control unit, the optical sensing unit, and the light emitting unit. The control unit is electrically connected to the optical sensing unit. The switch unit is electrically connected to the light unit. When the switch unit is in a turn-off state, the light emitting unit stops emitting light toward a trace surface. The optical sensing unit senses a darkness and transfers darkness data to the control unit. The control unit performs a configured function based on the darkness data.

Abstract: A liquid gear pump includes a gear pump assembly and an electric motor with an motor shaft. The gear pump assembly includes a pump housing which defines a pump chamber, an inlet and an outlet which are in fluid communication with the pump chamber, and a driving gear and an idle gear which are received in the pump chamber. The driving gear is driven by the motor shaft. The idle gear is supported on an idle shaft and engaged with the driving gear. The driving gear and the idle gear are made of a material with a main component of PPS.

Abstract: In accordance with embodiments of the present disclosure, an information handling system may include heat-rejecting media thermally coupled to one or more information handling resources, a connector for receiving a modular information handling resource, the connector having a latch for facilitating insertion or removal of the modular information handling resource to or from the connector, and a removable baffle for directing a flow of air proximate to the heat-rejecting media. The removable baffle may have two substantially planar sides and an edge substantially perpendicular to the two planar sides, such that when the removable baffle is located within a chassis including the heat-rejecting media and the connector, the latch engages with the edge to mechanically maintain a location of the removable baffle within the chassis.

Abstract: In accordance with embodiments of the present disclosure, an information handling system may include heat-rejecting media thermally coupled to one or more information handling resources, a connector for receiving a modular information handling resource, the connector having a latch for facilitating insertion or removal of the modular information handling resource to or from the connector, and a removable baffle for directing a flow of air proximate to the heat-rejecting media. The removable baffle may have two substantially planar sides and an edge substantially perpendicular to the two planar sides, such that when the removable baffle is located within a chassis including the heat-rejecting media and the connector, the latch engages with the edge to mechanically maintain a location of the removable baffle within the chassis.

Abstract: An optical mouse is provided with a conversion unit, a control unit, an optical sensing unit, a light emitting unit, and a switch unit. The conversion unit is electrically connected to a working voltage source, the control unit, and the optical sensing unit. The conversion unit is configured to convert voltage to supply power to the control unit, the optical sensing unit, and the light emitting unit. The control unit is electrically connected to the optical sensing unit. The switch unit is electrically connected to the light unit. When the switch unit is in a turn-off state, the light emitting unit stops emitting light toward a trace surface. The optical sensing unit senses a darkness and transfers darkness data to the control unit. The control unit performs a configured function based on the darkness data.

Abstract: A brightness measuring method of device with backlight is performed by a controlling device, for measuring legends of backlight provided by a backlight module of a device under test (DUT). The method includes turning on a uniform light source external to the DUT for illuminating the DUT; capturing and receiving an image of the DUT illuminated with uniform light as a base image; identifying a complete pattern of a to-be-measured legend in the base image; turning off the uniform light source and turning on the backlight of the DUT so as to illuminate the legend of DUT; capturing and receiving an image of the DUT illuminated with backlight as a comparison image, wherein the scope of the comparison image overlaps the scope of the base image; and calculating brightness values of a plurality of pixels in the comparison image whose positions overlap the positions of the complete pattern.

Abstract: A light-emitting keyboard includes a keycap, a frame and a solid-state lighting source. The keycap has a light-entrance portion formed on the periphery thereof, and a touch surface for pressing by user. The keycap is made of light-guiding material and defines a light-guiding path from the light entrance portion to the touch surface. The frame is arranged adjacent to the keycap and surrounds the periphery of the keycap. The frame is made of light-guiding material and forms at least one light-outputting surface. The at least one light-outputting surface is contiguous to the light-entrance portion. The solid-state lighting source is fixed to the frame and emits light from the light-outputting surface into the light-entrance portion by the light-guiding path, and exits from the touch surface of the keycap. The instant disclosure also provides an illuminating structure of the keyboard, and a keycap thereof.