Abstract: Method for forming semiconductor device structure includes forming a sacrificial layer between first and second stacks of layers, the first stack of layers comprises first and second semiconductor layers alternatingly stacked, and the second stack of layers comprises third and fourth semiconductor layers alternatingly stacked, wherein the sacrificial layer comprises a semiconductor metal oxide, forming a sacrificial gate structure over portion of the second stack of layers, removing portions of the first and second stack of layers not covered by the sacrificial gate structure, removing the sacrificial layer to form cavity, filling the cavity with a dielectric to form an isolation layer, and forming first and second source/drain features on opposing sides of sacrificial gate structure, wherein the first source/drain feature is disposed below the second source/drain feature, and the first and second source/drain features are in contact with the isolation layer, first semiconductor layers, and third semiconducto

Abstract: A system for and a method of analyzing a corneal lesion using an anterior segment image according to the present invention. The system includes: an image acquisition unit configured to acquire an anterior segment image from the eyeball of a subject, a feature extractor configured to extract feature information on a position and a cause of a lesion in the cornea from the anterior segment image by applying a convolution layer to the anterior segment image through machine learning on the basis of a database in which clinical information pre-acquired by analyzing positions and causes of lesions in the corneas of subjects is stored; and a result determination unit configured to identify a position of the cornea from the anterior segment image using the feature information and to analyze and determine the position and the cause of the lesion in the cornea from the position of the cornea.

Abstract: Embodiments utilize a silicon germanium layer deposited to a low germanium percentage under a substrate. The substrate is used to form a field effect transistor FET structure. After formation of the FET, the silicon germanium layer is oxidized to drive germanium to a concentrated sublayer of the silicon germanium layer. The sublayer is used as a stop layer to remove the oxidized portion of the silicon germanium layer.

Abstract: Methods of forming a stacked transistor are provided. One representative method may include patterning a first dummy nanostructure, a second dummy nanostructure, and a semiconductor nanostructure. The semiconductor nanostructure may be disposed between the first dummy nanostructure and the second dummy nanostructure. The first dummy nanostructure may comprise a first semiconductor material and the second dummy nanostructure may comprise a superlattice structure. The representative method may also include performing an etching process that simultaneously recesses the first dummy nanostructure to form a sidewall recess and removes the second dummy nanostructure to form an opening. The etching process selectively etches the superlattice structure at a faster rate than the first semiconductor material. The representative method may further include forming an inner spacer and an isolation structure in, respectively, the sidewall recess and the opening.

Abstract: In an embodiment, a method includes: patterning a lower semiconductor nanostructure, an upper semiconductor nanostructure, and a dummy nanostructure, the dummy nanostructure disposed between the lower semiconductor nanostructure and the upper semiconductor nanostructure, the dummy nanostructure including doped silicon; forming an opening between the lower semiconductor nanostructure and the upper semiconductor nanostructure by etching the doped silicon of the dummy nanostructure; forming an isolation structure in the opening; and depositing a gate dielectric around the isolation structure, the upper semiconductor nanostructure, and the lower semiconductor nanostructure.

Abstract: A method and system for diagnosis of a cataract, using deep learning, wherein deep learning predicts the degree of progression of a cataract from slit lamp examination result images and retroillumination examination result images and the severity is assessed on the basis of the prediction, whereby a therapeutic plan is established. A method for diagnosis of a cataract, using deep learning may include: receiving slit lamp examination result images and health diagnosis results of a subject; inputting the examination result images into a deep learning prediction model to predict a degree of progression of a cataract in the lens nucleus and determining whether the subject is affected by a cataract; assessing the severity of the cataract on the basis of the degree of progression of the cataract in the lens nucleus; and using the severity of the cataract or the health examination result to determine a cataract treatment.

Abstract: Methods, systems, devices, and tangible non-transitory computer readable media facilitating dynamic restriction of a viewer's access to survey responses provided by respondents of a survey based on the viewer's relationship with each respondent. In an example embodiment, the disclosed technology can: generate a survey data object that specifies a set of participants and a set of delegates associated with a survey; define, for a delegate in the set of delegates, a data access rule that specifies a subset of participants in the set of participants that are constituents of the delegate; receive, from the delegate, a request to access survey response data; evaluate the data access rule to identify the constituents of the delegate; filter the survey response data to extract constituent response data corresponding to the constituents of the delegate; and/or return the constituent response data to the delegate.

Abstract: An aircraft includes at least two propulsion units being pivotable and arranged adjacent to each other along an arrangement direction. The propulsion units include a propulsion rotor and a duct for guiding air to the rotor. The duct has a non-circular inlet portion, a circular downstream portion located downstream of the inlet portion along the airflow direction, and an air guiding portion guiding air from the non-circular inlet portion to the circular downstream portion and establishing the transition therebetween. The air guiding portion has upper and lower portions. The aircraft further includes at least one septum interposed between rotation axes of two adjacent propulsion rotors. The septum extends on the upstream side along the airflow direction with respect to the circular downstream portion and between the upper and lower air guiding portions and has a guiding surface having at least one tangential plane parallel to the rotation axis.

Abstract: The present invention relates to a device for regenerating nerve cells and suppressing immune diseases, and more particularly, to a device for regenerating nerve cells and suppressing immune diseases, which uses a contact lens containing a conductive material to increase the effect of microcurrent on nerve cell regeneration and immune response suppression. The device for regenerating nerve cells and suppressing immune diseases comprises: a contact lens comprising a body configured to be worn on a cornea, and a conductive material inserted into the body and serving to induce a microcurrent generated outside the body; a plurality of channels configured to come into close contact with skins around eyes and to generate a flow of microcurrent on upper part of the contact lens; and a signal supply unit configured to supply electrical signals to the plurality of channels.

Abstract: An apparatus for controlling a bidirectional resonant DC-DC converter includes a bidirectional resonant DC-DC converter that includes a primary-side full-bridge circuit that is coupled to the input side, a secondary-side full-bridge circuit that is coupled to the output side, and a resonant tank that is coupled between the primary-side full-bridge circuit and the secondary-side full-bridge circuit, and a PWM control unit that performs PWM control on the primary-side full-bridge circuit and the secondary-side full-bridge circuit and performs phase shift PWM control and dead-time PWM control.

Abstract: Provided is a diagnosis system for anterior eye diseases. An image obtainer obtains an anterior eye image of an image obtainer configured to obtain an anterior eye image of a subject. A characteristic extractor extracts characteristic information of the obtained anterior eye image on the basis of a machine-learning model. A disease analyzer determines whether or not an anterior eye of the subject has a disease and classifying a disease class according to the extracted characteristic information.

Abstract: The present invention relates to a device for regenerating nerve cells and suppressing immune diseases, and more particularly, to a device for regenerating nerve cells and suppressing immune diseases, which uses a contact lens containing a conductive material to increase the effect of microcurrent on nerve cell regeneration and immune response suppression. The device for regenerating nerve cells and suppressing immune diseases comprises: a contact lens comprising a body configured to be worn on a cornea, and a conductive material inserted into the body and serving to induce a microcurrent generated outside the body; a plurality of channels configured to come into close contact with skins around eyes and to generate a flow of microcurrent on upper part of the contact lens; and a signal supply unit configured to supply electrical signals to the plurality of channels.

Abstract: A filter arrangement for a vacuum cleaning appliance includes: a filter enclosure having an enclosure opening; a filter configured to be received through the enclosure opening into the filter enclosure in an insertion direction; and retention means operable between latched and unlatched states for releasably retaining the filter in the filter enclosure. The filter includes an actuation portion configured to operate the retention means, wherein the actuation portion is moveable between at least first and second positions and is biased towards the second position. When the filter is in the filter enclosure, movement of the actuation portion in the insertion direction from the first position to a depressed position transitions the retention means to the unlatched state, whereinafter the actuation portion is moved to the second position in which at least a part of the actuation portion is elevated above the enclosure opening.

Abstract: There is provided a pressure sensing device and related methods, the pressure sensing device comprising, a plurality of chambers for storing one or more visual indicators, wherein the plurality of chambers are configured to release the one or more visual indicators when a pressure exerted on the plurality of chambers exceeds one or more pressure thresholds. The plurality of chambers can be microchambers. The device may be used in conjunction with a bandaging system to indicate the pressure applied onto a site of treatment.

Abstract: A dispensing system includes a container, a roll of slit paper, and a passive tension mechanism. The container includes panels and one of the panels includes a dispensing aperture. The slit paper on the roll is in an unexpanded state. The slit paper can be transformed from the unexpanded state to an expanded state by exerting a longitudinal pulling force on the slit paper. The passive tension mechanism is in the container and arranged such that a path of the slit paper from the roll to the dispensing aperture passes through the passive tension mechanism. The passive tension mechanism is configured to induce tension in the slit paper along the path between the roll of the slit paper and the dispensing aperture such that the slit paper transforms from the unexpanded state to the expanded state along the path between the roll of the slit paper and the dispensing aperture.

Abstract: A method of providing information on a social networking service (SNS) activity to a chatroom, performed by a user terminal, includes: transmitting, to a server, an SNS request for each of a plurality of anonymous profiles created to be interlinked with an account of a user for an instant messaging service (IMS); displaying information on an SNS activity performed through a first anonymous profile selected by the user in correspondence with a chatroom in which the user participates in the IMS, from among the plurality of anonymous profiles, in the chatroom; receiving an input of changing a profile of the user, selected corresponding to the to chatroom, from the first anonymous profile to a second anonymous profile; and displaying information on an SNS activity performed through the second anonymous profile in the chatroom.

Abstract: Methods, systems, devices, and tangible non-transitory computer readable media facilitating dynamic restriction of a viewer's access to survey responses provided by respondents of a survey based on the viewer's relationship with each respondent. In an example embodiment, the disclosed technology can: generate a survey data object that specifies a set of participants and a set of delegates associated with a survey; define, for a delegate in the set of delegates, a data access rule that specifies a subset of participants in the set of participants that are constituents of the delegate; receive, from the delegate, a request to access survey response data; evaluate the data access rule to identify the constituents of the delegate; filter the survey response data to extract constituent response data corresponding to the constituents of the delegate; and/or return the constituent response data to the delegate.

Abstract: Disclosed is a method of measuring a refractive error using a reflection image of a pupil for a visible ray, the method capable of diagnosing and self-examining a refractive error using only an image captured by a smartphone camera. The method may include obtaining an image by projecting a visible ray, using a flash, onto the retina of a subject and capturing, using a smartphone camera, a shape and location of the image reflected in the pupil of the subject, applying the image to a residual neural network (ResNet) model trained using data of an ImageNet based on clinical information into which result values of a refractive error of the subjects have been incorporated, and outputting the refractive error of the image and a measurement factor measured to determine the refractive error based on the shape and the location reflected in the pupil in a process of deriving the refractive error of the image.

Abstract: Provided are nitrile gloves comprising manganese dioxide, that may have improved permeation resistance, especially improved permeation resistance against hydrogen peroxide. Provided also are methods for preparing the nitrile gloves and improving the permeation resistance of nitrile gloves.

Abstract: A method of providing information on a social networking service (SNS) activity to a chatroom, performed by a user terminal, includes: transmitting, to a server, an SNS request for each of a plurality of anonymous profiles created to be interlinked with an account of a user for an instant messaging service (IMS); displaying information on an SNS activity performed through a first anonymous profile selected by the user in correspondence with a chatroom in which the user participates in the IMS, from among the plurality of anonymous profiles, in the chatroom; receiving an input of changing a profile of the user, selected corresponding to the chatroom, from the first anonymous profile to a second anonymous profile; and displaying information on an SNS activity performed through the second anonymous profile in the chatroom.