Abstract: A bulk acoustic wave resonant structure and a preparation method therefor, and an acoustic wave device are provided. The bulk acoustic wave resonant structure includes: a substrate; a reflection structure, a first electrode, a piezoelectric layer and a second electrode, which are successively located on the substrate, wherein the first electrode comprises a first sub-electrode located in a first region and a second sub-electrode located in a second region other than the first region, and the piezoelectric layer respectively comes into direct contact with the first sub-electrode and the second electrode in the first region; and a first gap, which is located between the piezoelectric layer and the second sub-electrode, wherein an orthographic projection of the first gap on the substrate surrounds the first region.

Abstract: A method for drying a wafer includes a cleaning step, a liquid replacing step, and a drying step. In the cleaning step, a workpiece located in a process chamber is cleaned with a cleaning solution. In the liquid replacing step, a drying agent in gas phase is compressed to convert into liquid phase, and the drying agent in liquid phase is introduced to the process chamber to replace the cleaning solution. In the drying step, the cleaning solution is discharged out of the process chamber, and then the drying agent is converted from liquid phase back to gas phase and is discharged out of the process chamber.

Abstract: A semiconductor structure is provided. The semiconductor structure includes a first n-type transistor having a first threshold voltage and including a first gate dielectric layer, and a second n-type transistor having a second threshold voltage and including a second gate dielectric layer. The first threshold voltage is lower than the second threshold. Each of the first gate dielectric layer and the second gate dielectric layer contains fluorine and hafnium. The first gate dielectric layer has a first average fluorine concentration and a first average hafnium concentration. The second gate dielectric layer has a second average fluorine concentration and a second average hafnium concentration. A first ratio of the first average fluorine concentration to the first average hafnium concentration is greater than and a second ratio of the second average fluorine concentration to the second average hafnium concentration.

Abstract: A method includes forming a dielectric layer over a conductive feature, and etching the dielectric layer to form an opening. The conductive feature is exposed through the opening. The method further includes forming a tungsten liner in the opening, wherein the tungsten liner contacts sidewalls of the dielectric layer, depositing a tungsten layer to fill the opening, and planarizing the tungsten layer. Portions of the tungsten layer and the tungsten liner in the opening form a contact plug.

Abstract: An optical package is provided. The optical package includes a first optical device and an optical guiding structure. The first optical device is disposed over a carrier. The optical guiding structure is disposed over the carrier and configured to adjust a first optical transmission path of the first optical device.

Abstract: A semiconductor device includes a first fin protruding upwardly from a substrate, a second fin protruding upwardly from the substrate, a first gate structure having a first portion that at least partially wraps around an upper portion of the first fin and a second portion that at least partially wraps around an upper portion of the second fin, a second gate structure having a portion that at least partially wraps around the upper portion of the first fin, and a dielectric feature having a first portion between the first and second portions of the first gate structure. In a lengthwise direction of the first fin, the dielectric feature has a second portion extending to a sidewall of the second gate structure.

Abstract: A display may include an array of pixels that receive control signals from a chain of gate drivers. Each gate driver may include a shift register subcircuit and an output buffer subcircuit. The shift register subcircuit may include a first set of transistors at least partially controlled by one or more shift register clock signals. The output buffer subcircuit may include a second set of transistors at least partially controlled by one or more output buffer clock signals. The output buffer clock signals can toggle independently from the shift register clock signals. Operated in this way, the shift register clock signals can have pulse widths optimized for stability while the output buffer clock signals can have pulse widths optimized for speed.

Abstract: The present invention provides an event visualization device configured to generate one or more directed acyclic graphs (DAGs) that can be used as a basis for diagnosing whether a target network system has been hacked according to a plurality of activities records. The plurality of activities records pertain to an event cluster associated with a suspicious event category. The event visualization device performs a graph generating operation on the plurality of activities records in a recursive manner to generate a hierarchical directed acyclic graph (HDAG). The graph generating operation includes: interpreting an activities record into a target DAG, and performing a hierarchical partial order alignment (HPOA) operation on the target DAG and a reference DAG to obtain a merging condition of each node; and merging the target DAG and the reference DAG into the HDAG according to the merging condition.

Abstract: The present invention provides a log classification system configured to perform a hierarchical similarity analysis operation according to a plurality of activities records to generate a discrete space metric tree, and perform a clustering operation on the discrete space metric tree to generate one or more event clusters associated with one or more suspicious event categories. The log classification system includes an output device configured to output the one or more event clusters to an information security incident diagnosis system, and allow the information security incident diagnosis system to calculate similar feature information and differential feature information of a plurality of activities records in the one or more event clusters as auxiliary information for diagnosing whether there are intrusions or abnormalities in a target network system.

Abstract: An image processing circuit performs super-resolution (SR) operations. The image processing circuit includes memory to store multiple parameter sets of multiple artificial intelligence (AI) models. The image processing circuit further includes an image guidance module, a parameter decision module, and an SR engine. The image guidance module operates to detect a representative feature in an image sequence including a current frame and past frames within a time window. The parameter decision module operates to adjust parameters of one or more AI models based on a measurement of the representative feature. The SR engine operates to process the current frame using the one or more AI models with the adjusted parameters to thereby generate a high-resolution image for display.

Abstract: A phase-change memory (PCM) cell is provided to include a first electrode, a second electrode, and a phase-change feature disposed between the first electrode and the second electrode. The phase-change feature is configured to change its data state based on a write operation performed on the PCM cell. The write operation includes a reset stage and a set stage. In the reset stage, a plurality of reset current pulses are applied to the PCM cell, and the reset current pulses have increasing current amplitudes. In the set stage, a plurality of set current pulses are applied to the PCM cell, and the set current pulses exhibit an increasing trend in current amplitude. The current amplitudes of the set current pulses are smaller than those of the reset current pulses.

Abstract: An earthquake detection method is disclosed. The method comprises the following steps: receiving a first signal and at least a second signal, wherein the first signal is triggered in response to a first vibration state of a main detection site, and the at least a second signal is triggered in response to at least a second vibration state of at least a backup detection site; determining whether a quantity of those being enabled among the at least a second signal satisfies a quantity ratio condition, and determining whether the first signal and the quantity of the at least a second signal are both enabled at a specific time point, wherein the first and the quantity of the at least a second signals respectively have a first and at least a second initial enabled time points; and determining there is a real earthquake event when an interval between the first and the at least a second signal satisfies a time relationship.

Abstract: An earthquake detection system is disclosed. The earthquake detection system includes a main sensor, a first backup sensor, a second backup sensor and a third backup sensor. The main sensor is disposed on a free field. The first backup sensor is disposed on a structure. The second backup sensor is disposed below a ground surface at a depth of at least 20 meters. The third backup sensor is disposed at a remote end relative to the main sensor, and outputs a remote signal through a network so as to avoid misjudging the occurrence of earthquakes because of unnatural factors, and prevent the vibration caused by human activities from interfering with the detector. The earthquake detection system achieves the effect of verification through a plurality of sensors installed in different positions. Only when all the sensors confirm that there is an earthquake, an earthquake warning will be issued to the protected place.

Abstract: In the present invention, an earthquake detection system based on the combination configuration of a free field and remote signal source is provided. The earthquake detection system includes: a host; a main sensor arranged in a free field and connected to the host; and a plurality of backup sensors, which are remotely arranged with respect to the main sensor, wherein each of the backup is connected to the host via the internet and transmits a remote signal to the host so as to avoid misjudging the occurrence of earthquakes because of unnatural factors, and prevent the vibration caused by human activities from interfering with the detector. The earthquake detection system achieves the effect of verification through a plurality of sensors installed in different positions.

Abstract: An information platform for providing an earthquake early warning of a large area is disclosed. The large area includes a plurality of small districts, different sets of the plurality of small districts form different large districts according to geographical locations so as to make up the large area, and the information platform is both connected with a plurality of on-site earthquake early warning stations and the plurality of small districts through a cloud network. The plurality of on-site earthquake early warning stations are located in the large districts respectively, each of the plurality of on-site earthquake early warning stations is configured to obtain a real-time seismic longitudinal wave measurement data, obtain a real-time seismic transverse wave feature prediction value corresponding to the real-time seismic longitudinal wave measurement data, and transmit the real-time seismic transverse wave feature prediction value.

Abstract: A method for predicting an on-site seismic feature value using artificial intelligence is disclosed. The method includes the steps of obtaining a plurality of seismic historical data for a local position, wherein each of the seismic historical data includes seismic longitudinal wave information and a corresponding seismic transverse wave feature value, the seismic longitudinal wave information includes a plurality of data related to a vertical direction of ground surface, and the plurality of data include at least an acceleration value, a displacement value, a period and a velocity value; and based on at least the plurality of seismic historical data, obtaining a seismic transverse wave prediction model for the local position via an artificial intelligence calculation module.

Abstract: An on-site earthquake early warning method is disclosed. The method includes the following steps: receiving a first signal generated in response to a first vibration event and a second signal generated in response to a second vibration event; determining whether an earthquake event exists according to the first and the second signals; predicting a real-time seismic shear wave prediction characteristic value according to the first signal; and sending the real-time seismic shear wave prediction characteristic value when it is determined that the earthquake event exists.

Abstract: A temporary bonding composition is provided. The temporary bonding composition includes a polyfunctional crosslinker, a polymer and a solvent. The polyfunctional crosslinker includes a compound containing at least two functional groups selected from the group consisting of blocked isocyanate groups, alkenyl ether groups, and alkoxyhydrocarbyl groups. Each of the blocked isocyanate groups is an isocyanate group blocked by a blocking agent. The polymer has a functional group reacting with the polyfunctional crosslinker.

Abstract: An electromagnetic input LCD monitor is disclosed in this invention. The electromagnetic input LCD monitor includes a back frame and a film antenna module. The back frame has at least one opening. The film antenna module includes a film antenna plate and a signal receiving module. The film antenna plate is disposed on a surface of the back frame; the signal receiving module is disposed on the other surface of the back frame. The film antenna plate has a wiring portion which is connected with the signal receiving module through the opening.

Abstract: An electromagnetic input LCD monitor is disclosed in this invention. The electromagnetic input LCD monitor includes a back frame and a film antenna module. The back frame has at least one opening. The film antenna module includes a film antenna plate and a signal receiving module. The film antenna plate is disposed on a surface of the back frame; the signal receiving module is disposed on the other surface of the back frame. The film antenna plate has a wiring portion which is connected with the signal receiving module through the opening.