Abstract: A wireless local area network (WLAN) system includes a first Wi-Fi device and at least one second Wi-Fi device. When the first Wi-Fi device and the at least one second Wi-Fi device receive an interference signal that occupies a current operation channel of the first Wi-Fi device and a current operation channel of the at least one second Wi-Fi device, the first Wi-Fi device performs channel switching upon the current operation channel of the first Wi-Fi device, and the at least one second Wi-Fi device performs channel switching upon the current operation channel of the at least one second Wi-Fi device.

Abstract: A composition of matter is provided comprising hierarchically ordered crystalline microporous material having well-defined long-range mesoporous ordering of hexagonal symmetry. The composition possesses mesopores having walls of crystalline microporous material and a mass of mesostructure between mesopores of crystalline microporous material. Long-range ordering is defined by presence of secondary peaks in an X-ray diffraction (XRD) pattern and/or hexagonal symmetry observable by microscopy.

Abstract: Disclosed herein are modified zeolites and methods for making modified zeolites. In one or more embodiments disclosed herein, a modified zeolite may include a microporous framework including a plurality of micropores having diameters of less than or equal to 2 nm. The microporous framework may include at least silicon atoms and oxygen atoms. The modified zeolite may further include organometallic moieties each bonded to a nitrogen atom of a secondary amine functional group comprising a nitrogen atom and a hydrogen atom. The organometallic moieties may comprise a hafnium atom that is bonded to the nitrogen atom of the secondary amine functional group. The nitrogen atom of the secondary amine function group may bridge the hafnium atom of the organometallic moiety and a silicon atom of the microporous framework.

Abstract: According to one or more embodiments, a zeolite beta material may be made by a method that may include adding a parent zeolite beta in a basic solution to form a basic zeolite beta suspension, adding water to the basic zeolite beta suspension to form a dilute basic zeolite beta suspension, hydrothermally treating the dilute basic zeolite beta suspension to form a hydrothermally treated mixture, and separating from the hydrothermally treated mixture a solid zeolite beta material consisting essentially of polymorph-A and polymorph-B. The molar ratio of polymorph-A to polymorph-B of the solid zeolite beta material may be greater than molar ratio of polymorph-A to polymorph-B of the parent zeolite beta.

Abstract: Provided is a radiation detector, comprising a substrate, a pixel array formed on the substrate, a perovskite thick film formed on the pixel array and having nanosheet structure, and a readout circuit electrically connected to the pixel array, wherein the perovskite thick film comprises CsPbBrmI3-m or FAPbBrmI3-m, 0?m?3, a surfactant and a ligand. A preparation method for a perovskite thick film is also provided.

Abstract: A stitching method for an exposure process includes following steps. A wafer is provided. The wafer includes interposer regions, each of which includes a logic chip region, a first memory chip region, and a second memory chip region. The logic chip region is located between the first and second memory chip regions. A photoresist layer is formed on the wafer. First exposure processes are performed on the photoresist layer by applying a first photomask to form first shot regions in the photoresist layer. Second exposure processes are performed on the photoresist layer by applying a second photomask to form second shot regions in the photoresist layer. The first shot regions and the second shot regions are arranged alternately in a first direction. The first shot regions and the second shot regions are overlapped to form stitching regions, each of which is not located in the logic chip region.

Abstract: The present disclosure provides a radiation detector, including a substrate, a pixel array formed on the substrate, a perovskite thick film formed on the pixel array and having a cubic crystal phase, a first electrode formed on the perovskite thick film and is opposite to the pixel array, and a readout circuit. The radiation detector has significantly reduced dark current density and high sensing sensitivity. The present disclosure also provides a method for preparing the perovskite thick film.

Abstract: A display device includes a substrate, a pixel array and a first scan driver. The pixel array is formed on the substrate. The pixel array includes multiple gate lines and multiple connection lines. The gate lines extend along a first direction. The connection lines extend along a second direction different from the first direction. The first scan driver includes multiple dummy stages and a first stage to a last stage. The dummy stages and the first stage to the last stage of the first scan driver are arranged in sequence along a direction the same as a signal transmission direction on the substrate.

Abstract: Modified zeolite may include a microporous framework including a plurality of micropores having diameters of less than or equal to 2 nm, wherein the microporous framework includes at least silicon atoms and oxygen atoms; a plurality of mesopores having diameters of greater than 2 nm and less than or equal to 50 nm, wherein the plurality of mesopores are ordered with cubic symmetry. The modified zeolite also includes: isolated terminal primary amine functionalities bonded to silicon atoms of the microporous framework; or silazane functionalities, wherein the nitrogen atom of the silazane bridges two silicon atoms of the microporous framework; or both.

Abstract: A voltage-controlled oscillator includes an input circuit, a first current supply circuit, a second current supply circuit, a filtering circuit, and an oscillating circuit. The input circuit includes an operational amplifier and a first input transistor. The operational amplifier generates an output voltage according to an input voltage and a feedback voltage. The first input transistor generates an input current according to the output voltage and a power supply voltage. The first current supply circuit generates a first output current according to the input current. The second current supply circuit generates a second output current according to the input current. The filtering circuit couples to the input circuit and the second current supply circuit, and decrease an influence caused by a variation of the input current on the second current supply circuit. The oscillating circuit generates an output clock according to the first output current and the second output current.

Abstract: A guidance unit comprises a first pipe part and a second pipe part, an inner space diameter of the second pipe part is smaller than an inner space diameter of the first pipe part, causing a cross-sectional area of a second flow space perpendicular to a pipe axis of the second pipe part smaller than that of a first flow space perpendicular to a pipe axis of the first pipe part; one end of the pipe axis of the second pipe part and one end of the pipe axis of the first pipe part are connected in series with each other and spaced apart from each other by a first angle, so that the second flow space communicates with the first flow space; thereby, a pressure of an external fluid in the second flow space is greater than a pressure of the external fluid in the first flow space.

Abstract: Methods for processing a hydrocarbon feedstock may include cracking at least a portion of the hydrocarbon feedstock by contacting the hydrocarbon feedstock with a modified zeolite in the presence of hydrogen to form an intermediate cracked product and steam cracking at least a portion of the intermediate cracked product to form a steam cracked product. The intermediate cracked product may include at least 30 wt. % of one or more linear alkanes. The modified zeolite may include a microporous framework. The microporous framework may include at least silicon atoms and oxygen atoms. The modified zeolite also includes a plurality of Group 4-6 metal atoms each bonded to four bridging oxygen atoms, wherein each of the bridging oxygen atoms bonded to the Group 4-6 metal atoms bridges one of the plurality of the Group 4-6 metal atoms and a silicon atom of the microporous framework.

Abstract: An automatic vehicle-door activating sensing system and a method therefor are provided. The system includes: a distance sensing antenna module and an activating antenna module for generating signals; a processor generates a first distance information, a second distance information, and a activating information according to the signals. When the first distance information is less than a distance threshold and a waveform of the activating information changes, the processor generates and transmits a ready-to-activate signal to an in-vehicle system. When the second distance information is greater than the distance threshold, the processor generates and transmits a vehicle door activating signal to the in-vehicle system. The in-vehicle system can activate the vehicle door after receiving the signals in sequence. With one radar, the invention can automatically activate the vehicle door based on a user's position and kicking behavior, thereby preventing misoperation caused by detection.

Abstract: Modified zeolites may include a microporous framework including a plurality of micropores having diameters of less than or equal to 2 nm. The microporous framework may include at least silicon atoms and oxygen atoms. The modified zeolite may include a plurality of mesopores having diameters of greater than 2 nm and less than or equal to 50 nm, wherein the plurality of mesopores are ordered with cubic symmetry. The modified zeolite may include a plurality of titanium atoms each bonded to four bridging oxygen atoms, wherein each of the bridging oxygen atoms bonded to the titanium atoms bridges one of the plurality of the titanium atoms and a silicon atom of the microporous framework.

Abstract: The present disclosure discloses a memory signal calibration apparatus and a memory signal calibration method. A gating circuit generates a data strobe enablement setting signal according to a setting control signal, generates an enabling state of the data strobe enablement signal and performs gating on a data strobe signal according to the enabling state to generate a gated data strobe signal.

Abstract: A functionalized fibrous hierarchical zeolite includes a framework comprising aluminum atoms, silicon atoms, and oxygen atoms, the framework further comprising a plurality of micropores and a plurality of mesopores. The functionalized fibrous hierarchical zeolite is functionalized with at least one amine. A plurality of nanoparticles comprising platinum are immobilized on the framework.

Abstract: Hydrofluoric acid waste streams from semiconductor device manufacturing processes are collected and converted to cryolite utilizing disclosed systems and processes. The systems and processes are able to utilize hydrofluoric acid waste streams from multiple different sources. The systems and processes utilizing control delivery of reactant so that the produced cyrolite has low impurity levels and meets industry standards.

Abstract: Microfluidic chips and cartridges and systems that include such chips are disclosed. In some embodiments, the chips include a microfluidic channel disposed in a substrate with the channel comprising at least one expansion region. The channel is configured to generate a vortex within the at least one expansion region in response to fluid through the microfluidic channel to trap cells or particles. The substrate in which the channel is formed may be relatively rigid to resist deformation.

Abstract: Described herein is a system and method for calculating variable refresh rate (VRR) flicker of a display used for information handling systems. VRR display data is provided to the display which generates a raw optical waveform. The raw optical waveform is captured by an optical sensor. The captured raw optical waveform is weighted using an inverse Fast Fourier Transform from a Temporal Contrast Sensitivity Function (TCSF). Calculating the flicker value of the weighted optical waveform over a defined moving window is performed. The flicker average and flicker maximum of the flicker value is used to determine a VRR flicker value.

Abstract: Described herein is a system and method for calculating variable refresh rate (VRR) flicker of a display used for information handling systems. VRR display data is provided to the display which generates a raw optical waveform. The raw optical waveform is captured by an optical sensor. The captured raw optical waveform is weighted using an inverse Fast Fourier Transform from a Temporal Contrast Sensitivity Function (TCSF). Calculating the flicker value of the weighted optical waveform over a defined moving window is performed. The flicker average and flicker maximum of the flicker value is used to determine a VRR flicker value.