Abstract: The present disclosure relates to a system and techniques for enabling migration of data between data storage devices without disruption to an application that relies upon the data. In some embodiments, this may involve the insertion of a redirect command into a mutation log. Upon receiving a transaction that relates to a data value, a transactor host may access the mutation log. Upon detecting the redirect command, the transactor host may generate a new mutation log in a second memory location which includes a reference to the mutation log. New mutations generated by the mutation log are then written to the new mutation log.

Abstract: The present disclosure relates to a system and techniques for enabling data to be updated within a data store through concurrent operations. Embodiments of the system enables multiple client applications (e.g., implemented on a cloud platform) to update data concurrently. In some embodiments, operations may be determined to be either client-managed operations or service-managed operations. Client-managed operations may be performed by a client application, whereas the client application may pass service-managed operations to a service application. The service application may put each of the service-managed operations into a commit queue wherein each service-managed operation is committed only after the one put into the queue before it has been committed.

Abstract: A butterfly valve includes a valve body, a stem, a disc, and a stopper. The valve body has a first through hole, a second through hole and a flange. An axial central line of the second through hole and an axial central line of the first through hole are perpendicular to each other. The flange radially extends from a surface surrounding the first through hole and extends into an inner side of the first through hole. The stem is accommodated inside the second through hole and extends into the first through hole. The disc is formed on a surface thereof with a first engaging portion while the stopper is formed with a second engaging portion. The first engaging portion and the second engaging portion are respectively embedded with a first part and a second part of the stem. The stopper is rotated by the stem and abuts against the flange when the disc closes an open end of the first through hole and continues to rotate.

Abstract: Provided are an automatic parking method and device. The automatic parking method includes: acquiring a global waypoint map of a parking lot where a vehicle is to be parked and position information of available parking spaces, and performing global path planning according to the global waypoint map and the available parking space position information; starting automatic driving according to the global path planning, acquiring vehicle visual information, and performing local path planning and obstacle avoidance processing according to the vehicle visual information; and searching for a parking space when automatically driving to the vicinity of the available parking spaces, and performing parking after finding an available parking space that satisfies a parking condition.

Abstract: A regeneration method for a liquefied gas thiol-removing alkaline solution comprising the following steps: performing an oxygenation reaction with respect to a liquefied gas thiol-removing alkaline solution and, at the same time, utilizing a high air-liquid condition to extract a disulfide and a polysulfide into a gas phase, thus completing the separation of the disulfide and the polysulfide from the alkaline solution, and implementing the regeneration of the liquefied gas thiol-removing alkaline solution.

Abstract: The present invention provides a dovetail structure of a connector that can be disposed on a first joint surface and a second joint surface of a casing. The dovetail structure includes a pin module and a slot module. An interference structure formed by the pin module and the slot module enables the two connectors with a dovetail structure to be assembled easily to achieve a stable combination.

Abstract: The disclosure provides an electronic package, including a carrier, an electronic component disposed on the carrier, a buffer, and an antenna structure, wherein the antenna structure includes a metal frame disposed on the carrier and a wire disposed on the carrier and electrically connected to the metal frame, and the buffer covers the wire so as to reduce the emission wave speed of the wire and thus the wavelength is shorten, thereby satisfying the length requirement of the antenna within the limited space of the carrier and achieving an operating frequency radiated as required.

Abstract: An apparatus comprises a memory slot mounted to a main board, an expansion slot mounted to the main board and electrically coupled to the memory slot, a backup power module receivable in the expansion slot, and a main power source electrically coupled to the expansion slot and the memory slot. During normal operation, the main power source supplies electrical power to the memory slot and charge the backup power module. In the event of power loss or main power source failure, the backup power module discharges electrical power to the memory slot.

Abstract: A non-dispensing manufacturing process includes forming a paper cone; engaging the paper cone with a voice coil to form a vibration assembly; fixing a yoke, a magnet set, and a washer to form a magnetic circuit assembly; engaging a basket with the magnetic circuit assembly; and engaging the basket with the vibration assembly to form a speaker, where no glue is used in the manufacturing process. A speaker includes a paper cone; a voice coil engaged with the paper cone to form a vibration assembly, where a junction between a bobbin of the voice coil and the paper cone has a first welding layer; a magnetic circuit assembly including a yoke, a magnet set, and a washer that are integrally fixed; and a basket engaged with the magnetic circuit assembly and the vibration assembly.

Abstract: An electronic package and a manufacturing method thereof are provided, where a plurality of shielding wires are arranged on a carrier and spanning across an electronic component to cover the electronic component, so that the shielding wires serve as a shielding structure to protect the electronic component from the interference of external electromagnetic waves.

Abstract: A memory device includes a substrate, a first digit line, a first capacitor and a metal shield. The substrate has a plurality of active areas and an isolation area. The first digit line and the first capacitor are connected to a first active area of the active areas. The second digit line is connected to a second active area of the active areas. The metal shield is located on the insolation area and between the first digit line and the second digit line. The metal shield is electrically insulated with the first digit line and the second digit line.

Abstract: Systems and methods for determining mechanical properties of formation rock using, for example, millimeter-scale test samples of the formation rock are disclosed. The test samples may be single edge notched beam (SENB) test samples. The systems and methods may include performing laboratory testing on the SENB test samples and recording laboratory testing data obtained from the laboratory testing and performing a simulation on a numerical model of the SENB test samples and recording the simulation data obtained from the simulation. The laboratory testing data and the simulation data may be compared, and a determination may be made as to whether a selected degree of correlation is present between the laboratory testing data and the simulation exists. Mechanical properties of the formation rock are obtained from the simulation data when the selected degree of correlation exists between the laboratory testing data and the simulation data.

Abstract: Embodiments of three-dimensional (3D) memory devices having source contact structure in a memory stack are disclosed. The 3D memory device has a memory stack that includes a plurality of interleaved conductor layers and insulating layers extending over a substrate, a plurality of channel structures each extending vertically through the memory stack into the substrate, and a source contact structure extending vertically through the memory stack and extending laterally to separate the memory stack into a first portion and a second portion. The source contact structure may include a plurality of source contacts each electrically coupled to a common source of the plurality of channel structures.

Abstract: A security method for monitoring an optical module and a three-dimensional sensor using the same apply electromagnetic induction to the three-dimensional sensor to monitor the optical module and a light source module. Two inductive coils corresponding to each other are arranged on the light source module and the optical module. An alternative current is inputted to one of the inductive coils and another of the inductive coils generates an inductive current. The value of the inductive current is continuously detected. When the value of the inductive current varies, the abnormality of the optical module is determined to shut down the light source module, thereby completing the security mechanism of the three-dimensional sensor.

Abstract: A method for forming a semiconductor structure including forming a plurality of mandrel lines on a first dielectric layer and forming one or more groups of discontinuous mandrel line pairs with a first mask. The method further includes disposing a second dielectric layer, and forming dielectric spacers on sidewalls of the mandrel lines and the discontinuous mandrel line pairs. The method further includes removing the mandrel lines and the discontinuous mandrel line pairs to form spacer masks, forming one or more groups of blocked regions using a second mask, and forming openings extended through the first dielectric layer with a conjunction of the spacer masks and the second mask. The method also includes removing the spacer masks and the second mask, disposing an objective material in the openings, and forming objective lines with top surfaces coplanar with the top surfaces of the first dielectric layer.

Abstract: A regeneration method for a liquefied gas thiol-removing alkaline solution comprising the following steps: performing an oxygenation reaction with respect to a liquefied gas thiol-removing alkaline solution and, at the same time, utilizing a high air-liquid condition to extract a disulfide and a polysulfide into a gas phase, thus completing the separation of the disulfide and the polysulfide from the alkaline solution, and implementing the regeneration of the liquefied gas thiol-removing alkaline solution.

Abstract: A security method for monitoring an optical module and a three-dimensional sensor using the same apply electromagnetic induction to the three-dimensional sensor to monitor the optical module and a light source module. Two inductive coils corresponding to each other are arranged on the light source module and the optical module. An alternative current is inputted to one of the inductive coils and another of the inductive coils generates an inductive current. The value of the inductive current is continuously detected. When the value of the inductive current varies, the abnormality of the optical module is determined to shut down the light source module, thereby completing the security mechanism of the three-dimensional sensor.

Abstract: A butterfly valve includes a valve body, a stem, a disc, and a stopper. The valve body has a first through hole, a second through hole and a flange. An axial central line of the second through hole and an axial central line of the first through hole are perpendicular to each other. The flange radially extends from a surface surrounding the first through hole and extends into an inner side of the first through hole. The stem is accommodated inside the second through hole and extends into the first through hole. The disc is formed on a surface thereof with a first engaging portion while the stopper is formed with a second engaging portion. The first engaging portion and the second engaging portion are respectively embedded with a first part and a second part of the stem. The stopper is rotated by the stem and abuts against the flange when the disc closes an open end of the first through hole and continues to rotate.

Abstract: A method for forming a semiconductor structure including forming a plurality of mandrel lines on a first dielectric layer and forming one or more groups of discontinuous mandrel line pairs with a first mask. The method further includes disposing a second dielectric layer, and forming dielectric spacers on sidewalls of the mandrel lines and the discontinuous mandrel line pairs. The method further includes removing the mandrel lines and the discontinuous mandrel line pairs to form spacer masks, forming one or more groups of blocked regions using a second mask, and forming openings extended through the first dielectric layer with a conjunction of the spacer masks and the second mask. The method also includes removing the spacer masks and the second mask, disposing an objective material in the openings, and forming objective lines with top surfaces coplanar with the top surfaces of the first dielectric layer.

Abstract: Embodiments of three-dimensional (3D) memory devices having source contact structure in a memory stack are disclosed. The 3D memory device has a memory stack that includes a plurality of interleaved conductor layers and insulating layers extending over a substrate, a plurality of channel structures each extending vertically through the memory stack into the substrate, and a source contact structure extending vertically through the memory stack and extending laterally to separate the memory stack into a first portion and a second portion. The source contact structure may include a plurality of source contacts each electrically coupled to a common source of the plurality of channel structures.