Abstract: Proposed are a highly reliable metal molded article manufactured using a combination of a mold made of an anodic aluminum oxide film and a patternable mold, and a method for manufacturing the same.

Abstract: Proposed are a guide plate and a test device including the guide plate capable of being insulated from electrically conductive contact pins and capable of blocking signal interference between the electrically conductive contact pins.

Abstract: Proposed are an anodic aluminum oxide film-based interposer for electrical connection and a manufacturing method therefor, a semiconductor package and a manufacturing method therefor, a multi-stacked semiconductor device and a manufacturing method therefor, and a display and a manufacturing method therefor that can cope with a narrow pitch between terminals and prevent an increase in current density and thermal energy density in a bump connection part. To this end, proposed is an interposer for electrical connection, in which a through-hole is provided in a body made of anodic aluminum oxide film and a first bonding material, an electrically conductive material, and a second bonding material are formed in the through-hole by electroplating. Here, fine trenches having repeated peaks and valleys in the circumferential direction are provided in an outer circumferential surface of a micro-bump.

Abstract: Provided is an apparatus for estimating a target component, the apparatus including a temperature controller configured to modulate temperature of an object, a measurer configured to measure a spectrum for each temperature of the object that changes based on the modulation, and a processor configured to obtain effective optical pathlength vectors corresponding to a temperature change based on the spectrum for each temperature of the object, obtain a representative effective optical pathlength based on the obtained effective optical pathlength vectors, and obtain a target component estimation model based on the obtained representative effective optical pathlength.

Abstract: An apparatus for estimating a component of an analyte may include a sensor including a light source configured to emit light to the analyte, and a detector configured to measure a spectrum of light reflected from the analyte; and a processor configured to: based on an initial amount of received light being obtained from the analyte by operating the sensor under initial operating conditions, determine optimal operating conditions based on the initial amount of received light and the initial operating conditions; and based on a spectrum being measured from the analyte by operating the sensor under the optimal operating conditions, estimate the component of the analyte based on the spectrum.

Abstract: An antioxidant sensor includes a first light source configured to emit light having a first wavelength onto an object; a second light source configured to emit light having a second wavelength onto the object; a third light source configured to emit light having a third wavelength onto the object, the first wavelength, the second wavelength, and the third wavelength being different from each other; a light receiver configured to receive light reflected or scattered from the object; and a processor configured to obtain a hemoglobin index by driving the first light source and the second light source, and to obtain an antioxidant signal of the object by driving the third light source based on the obtained hemoglobin index satisfying a condition.

Abstract: A method of correcting an error of an optical sensor which includes a light source and a detector, including adjusting a brightness of the light source to a preset brightness; controlling the light source to emit light to a preset material; acquiring preset material data corresponding to the emitted light and the preset material using the detector; and correcting, by using the acquired preset material data, an error of a distance between the light source and the detector based on a difference between a first amount of light received at a first point of the detector and a second amount of light received at a second point of the detector, or based on a gradation of an image obtained by the detector

Abstract: An apparatus for estimating a glucose exposure may include: a spectrometer configured to measure a plurality of Raman spectra from an object; and a processor configured to extract depth-specific protein information from the plurality of Raman spectra and estimate the glucose exposure of the object based on the depth-specific protein information.

Abstract: Provided is a method of correcting an error of an optical sensor including a light source and an image sensor, the method including emitting light to a material by driving the light source, acquiring an image of the material by the image sensor, and correcting an error of a distance between the light source and the image sensor of the optical sensor based on a gradation of the acquired image of the material.

Abstract: An antioxidant sensor includes a pressure sensor configured to obtain a contact pressure between an object and an optical sensor; the optical sensor configured to, based on the obtained contact pressure exceeding a set threshold pressure, emit a first light of a first wavelength to the object, and receive the first light reflected or scattered from the object; and a processor configured to determine a contact portion of the object in contact with the optical sensor, set a threshold pressure, among different threshold pressures, according to the determined contact portion, and determine an antioxidant value based on the received first light.

Abstract: An apparatus for estimating bio-information includes an optical sensor including a light source configured to emit light of multiple wavelengths onto an object, and including a plurality of detectors configured to detect light of each wavelength which is scattered or reflected from the object. The apparatus includes a processor configured to obtain spectra based on light of each wavelength which is detected by each detector, determine valid spectra of the obtained spectra, and estimate a bio-information value based on the valid spectra.

Abstract: Provided is an apparatus for estimating a target component, the apparatus including a temperature controller configured to modulate temperature of an object, a measurer configured to measure a spectrum for each temperature of the object that changes based on the modulation, and a processor configured to obtain effective optical pathlength vectors corresponding to a temperature change based on the spectrum for each temperature of the object, obtain a representative effective optical pathlength based on the obtained effective optical pathlength vectors, and obtain a target component estimation model based on the obtained representative effective optical pathlength.

Abstract: An apparatus for measuring bio-signals is provided. According to an example embodiment, the apparatus for measuring bio-signals includes: a light source configured to emit light onto an object; an image sensor including: a pixel array configured to detect the light emitted by the light source and reacted by the object and a pixel binning unit configured to bin data of the light, detected by the pixel array, by using at least two different binning sizes; and a processor configured to acquire a plurality of bio-signals respectively based on data of the at least two different binning sizes, which are output from the image sensor.

Abstract: An apparatus for estimating bio-information includes a display including unit pixels, each of the unit pixels including light sources configured to emit light having different wavelengths, and detectors configured to detect light having the different wavelengths. The apparatus further includes a processor configured to determine source pixels configured to emit light onto an object, among the unit pixels, determine detector pixels configured to detect light that is scattered or reflected from the object, among the unit pixels, control the determined source pixels and the determined detector pixels to obtain a spectrum based on the light having multiple wavelengths that is detected by the detector pixels, and estimate bio-information, based on the obtained spectrum.

Abstract: An apparatus for estimating bio-information according to an embodiment of the present disclosure includes a processor configured to obtain spectra from an object, obtain a component produced based on a change in pressure applied to the object, correct the spectra based on the obtained component produced based on the change in pressure, and estimate bio-information of the object based on the corrected spectra.

Abstract: The present disclosure relates to an apparatus for non-invasively estimating a target component value based on a light spectrum. The apparatus for estimating the target component value may include a sensor configured to obtain a spectrum of light scattered or reflected from an object, and a processor configured to correct a first reflectance value of the spectrum based on a melanin index; obtain a second reflectance value based on correcting the first reflectance value; convert the second reflectance value into an absorbance value; estimate the target component value based on the absorbance value; and correct the target component value based on a hemoglobin index.

Abstract: An apparatus for estimating a component of an analyte may include a sensor including a light source configured to emit light to the analyte, and a detector configured to measure a spectrum of light reflected from the analyte; and a processor configured to: based on an initial amount of received light being obtained from the analyte by operating the sensor under initial operating conditions, determine optimal operating conditions based on the initial amount of received light and the initial operating conditions; and based on a spectrum being measured from the analyte by operating the sensor under the optimal operating conditions, estimate the component of the analyte based on the spectrum.

Abstract: An apparatus for estimating biological information may include a sensor configured to detect a first light signal and a second light signal from an object of a user and a processor configured to determine whether a condition for estimating biological information is satisfied based on the detected first light signal and estimate biological information based on the second light signal, wherein the sensor includes a force sensor configured to measure a force applied to the object when the object is in contact with a cover surface of the sensor.

Abstract: The present disclosure relates to an apparatus for non-invasively estimating a target component value based on a light spectrum. The apparatus for estimating the target component value may include a sensor configured to obtain a spectrum of light scattered or reflected from an object, and a processor configured to correct a first reflectance value of the spectrum based on a melanin index; obtain a second reflectance value based on correcting the first reflectance value; convert the second reflectance value into an absorbance value; estimate the target component value based on the absorbance value; and correct the target component value based on a hemoglobin index.

Abstract: An apparatus for non-invasively estimating an analyte concentration is provided. The apparatus for estimating an analyte concentration includes: (1) a signal measurer including: an optical coherence tomography (OCT) device configured to emit an OCT signal to an object and receive the OCT signal reflected or scattered from the object; and a spectrometer configured to emit a spectrometer signal to the object and obtain a spectrum based on the spectrometer signal reflected or scattered from the object, and (2) a processor configured to predict a path length distribution for each wavelength in a predetermined wavelength range, based on the OCT signal, and estimate a concentration of an analyte based on the predicted path length distribution and the obtained spectrum.