Abstract: A method and device of removing and recycling metals from a mixing acid solution, includes adsorbing a mixing acid solution with a pH value of ?1 to 4 and a cobalt ion concentration of 100 to 1,000 mg/L by at least two cation resins in series setting to the cobalt ion concentration in the mixing acid solution is less than 10 mg/L, and then adjusting the pH value of the mixing acid solution after adsorption to meet a discharge standard, wherein the particle size of the at least two cation resins in series setting is 150˜1,200 ?m. After the cation resins are saturated by adsorption, regenerating the cation resins by sulfuric acid to form a cobalt sulfate solution, and then electrolytically treating the cobalt sulfate solution to obtain electrolytic cobalt and sulfuric acid electrolyte. The operation process is simple without complicated equipment, and it can effectively recycle metals from mixing acid solutions.

Abstract: A layer stack including a first bonding dielectric material layer, a dielectric metal oxide layer, and a second bonding dielectric material layer is formed over a top surface of a substrate including a substrate semiconductor layer. A conductive material layer is formed by depositing a conductive material over the second bonding dielectric material layer. The substrate semiconductor layer is thinned by removing portions of the substrate semiconductor layer that are distal from the layer stack, whereby a remaining portion of the substrate semiconductor layer includes a top semiconductor layer. A semiconductor device may be formed on the top semiconductor layer.

Abstract: In some embodiments, the present disclosure relates to an integrated circuit (IC) in which a memory structure comprises an inhibition layer inserted between two ferroelectric layers to create a tetragonal-phase dominant ferroelectric structure. In some embodiments, the ferroelectric structure includes a first ferroelectric layer, a second ferroelectric layer overlying the first ferroelectric layer, and a first inhibition layer disposed between the first and second ferroelectric layers and bordering the second ferroelectric layer. The first inhibition layer is a different material than the first and second ferroelectric layers.

Abstract: A device a includes a substrate, two source/drain (S/D) features over the substrate, and semiconductor layers suspended over the substrate and connecting the two S/D features. The device further includes a dielectric layer disposed between two adjacent layers of the semiconductor layers and an air gap between the dielectric layer and one of the S/D features, where a ratio between a length of the air gap to a thickness of the first dielectric layer is in a range of 0.1 to 1.0.

Abstract: The invention discloses a method to set up a cross-domain DDS-secure network and then use it to transmit various kinds of data. To set up the cross-domain DDS-secure network, we first register IoT and monitor devices on the administration website. Second, we group devices based on our needs and then ask the website to generate configurations and certificates for each device. Finally, we download those files and deploy them to each device. In an extremely case, we can accomplish all operations only through a mobile device. During the system operating, all devices establish the DDS-secure connections to each other, and data will transmit on the network securely.

Abstract: Methods and structures for modulating an inner spacer profile include providing a fin having an epitaxial layer stack including a plurality of semiconductor channel layers interposed by a plurality of dummy layers. In some embodiments, the method further includes removing the plurality of dummy layers to form a first gap between adjacent semiconductor channel layers of the plurality of semiconductor channel layers. Thereafter, in some examples, the method includes conformally depositing a dielectric layer to substantially fill the first gap between the adjacent semiconductor channel layers. In some cases, the method further includes etching exposed lateral surfaces of the dielectric layer to form an etched-back dielectric layer that defines substantially V-shaped recesses. In some embodiments, the method further includes forming a substantially V-shaped inner spacer within the substantially V-shaped recesses.

Abstract: A semiconductor device includes a substrate. The semiconductor device includes a fin that is formed over the substrate and extends along a first direction. The semiconductor device includes a gate structure that straddles the fin and extends along a second direction perpendicular to the first direction. The semiconductor device includes a first source/drain structure coupled to a first end of the fin along the first direction. The gate structure includes a first portion protruding toward the first source/drain structure along the first direction. A tip edge of the first protruded portion is vertically above a bottom surface of the gate structure.

Abstract: An integrated circuit (IC) structure includes a gate structure, a source epitaxial structure, a drain epitaxial structure, a front-side interconnection structure, a backside dielectric layer, and a backside via. The source epitaxial structure and the drain epitaxial structure are respectively on opposite sides of the gate structure. The front-side interconnection structure is on a front-side of the source epitaxial structure and a front-side of the drain epitaxial structure. The backside dielectric layer is on a backside of the source epitaxial structure and a backside of the drain epitaxial structure and has an air gap therein. The backside via extends through the backside dielectric layer to a first one of the source epitaxial structure and the drain epitaxial structure.

Abstract: A method for managing a digital identity system includes generating a user digital identity for a user, generating an asset digital identity for an asset, generating a user public key and a user private key after the user digital identity is generated, generating descriptive data related to the asset, generating a data public key and a data private key after the descriptive data is generated, encrypting the data with the data public key to generate encrypted data, saving the data private key on a user end, uploading the encrypted data to a cloud database, a platform reading the encrypted data from the cloud database, a data requester querying and requesting for data, forwarding a data request to a data owner in an qualified data owner set and granting a data access to the data request if the data owner accepts the data request.

Abstract: An acoustic wave element includes: a substrate; a bonding structure on the substrate; a support layer on the bonding structure; a first electrode including a lower surface on the support layer; a cavity positioned between the support layer and the first electrode and exposing a lower surface of the first electrode; a piezoelectric layer on the first electrode; and a second electrode on the piezoelectric layer, wherein at least one of the first electrode and the second electrode includes a first layer and a second layer that the first layer has a first acoustic impedance and a first electrical impedance, the second layer has a second acoustic impedance and a second electrical impedance, wherein the first acoustic impedance is higher than the second acoustic impedance, and the second electrical impedance is lower than the first electrical impedance.

Abstract: A spring box, which can be used in a window covering, includes a prestressing device, a cord reel, and a cord-guiding shaft provided on a horizontal plane of a base. The prestressing device provides a force to the cord reel to rotate the cord reel and wind up a lift cord, wherein the lift cord contacts and goes around the cord-guiding shaft before being connected to the covering material of the window covering. By providing the cord-guiding shaft at a predetermined tilt orientation and tilt angle, the lift cord can be properly guided and the movement thereof can be restrained. In this way, during the process of winding up, the lift cord can be prevented from having its cord loops overlapping or tangling with each other.

Abstract: A prediction system for grouping hepatocellular carcinoma includes an image capturing unit and a non-transitory machine readable medium. The non-transitory machine readable medium storing a program which, when executed by at least one processing unit, predicts a hepatocellular carcinoma group of the subject patient with hepatocellular carcinoma. The program includes a reference database obtaining module, a first image preprocessing module, a feature selecting module, a classifying module, a second image preprocessing module and a comparing module.

Abstract: Systems and methods for device appraisal are described. Some implementations include receiving a request from a mobile station to access a device appraisal service, retrieving one or more parameters associated with the mobile station, where the parameters include at least a mobile directory number (MDN) of the mobile station, automatically determining a model of the mobile station based on the MDN, displaying, at the mobile station, a web interface of the device appraisal service, providing for display in the web interface an identification of the model of the mobile station and user interface elements to receive condition information of the mobile station, determining a trade-in value of the mobile station based on the identified model and the condition information, and providing the trade-in value of the mobile station to the web interface for display at the mobile station.

Abstract: A wireless image transmitting apparatus includes an image processing unit, a wireless bridging module, and a wireless local area network module. The wireless bridging module includes a network switch and a network port. The network switch is in signal communication with the network port and the image processing unit. The WLAN module is in signal communication with the network switch. The WLAN module uses a first type of packet and a first band to transmit a signal from the image processing unit and uses a second type of packet and a second band to transmit a signal from the network port. A method for transmitting data in a wireless image transmitting apparatus is also disclosed.

Abstract: A manual vacuum device is introduced to provide vacuum isolation in a container. The manual vacuum device comprises a lower cover disposed on the container and an upper cover rotatably disposed on the lower cover to form a first air chamber. The lower cover includes a first air channel fluidly communicating the container with the first air chamber and a first check valve disposed within the first air channel to prevent air from flowing back to the container. The upper cover includes a second air channel fluidly communicating the first air chamber with the external environment and a second check valve disposed within the second air channel to prevent air in the external environment from flowing back to the first air chamber. The air in the container exhausts to the external environment by the rotational movement of the upper cover relative to the lower cover.

Abstract: A manual vacuum device is introduced to provide vacuum isolation in a container. The manual vacuum device comprises a lower cover disposed on the container and an upper cover rotatably disposed on the lower cover to form a first air chamber. The lower cover includes a first air channel fluidly communicating the container with the first air chamber and a first check valve disposed within the first air channel to prevent air from flowing back to the container. The upper cover includes a second air channel fluidly communicating the first air chamber with the external environment and a second check valve disposed within the second air channel to prevent air in the external environment from flowing back to the first air chamber. The air in the container exhausts to the external environment by the rotational movement of the upper cover relative to the lower cover.

Abstract: The present invention relates to a storage device which allows metalwares to be conveniently accessible by magnetism, including a storage body for storing metalwares, at least two grooves respectively arranged in appropriate locations on the inner sides of the storage body, and a lever arranged in parallel with the storage body and having two ends respectively fitted with the grooves, wherein a front end of the lever is magnetic and close to a bottom on the inner sides of the storage body 10, and a tail end of the lever protrudes from a top surface of the storage body.

Abstract: A storage device which allows metalwares to be conveniently accessible by magnetic wheel comprises a storage body having a gap and a inclined bottom; and