Abstract: An electronic device may include: a first temperature sensor configured to measure a first temperature of a skin surface when a user comes into contact with a main body of the electronic device; a first heating element spaced apart from the first temperature sensor by a first predetermined distance; a second temperature sensor spaced apart from the first heating element by a second predetermined distance and configured to measure a second temperature inside the main body; and a processor configured to: estimate heat flux based on the first temperature and the second temperature; estimate a blood perfusion rate of the user based on a temperature of the first heating element and the first temperature, and estimate a core body temperature of a user based on the first temperature, the estimated heat flux, and the estimated blood perfusion rate.

Abstract: Proposed are a process fluid treatment apparatus capable of decomposing ozone in a process fluid more effectively, and a wafer cleaning apparatus and semiconductor manufacturing equipment including the same. The process fluid treatment apparatus treats the process fluid used for cleaning a wafer in the semiconductor manufacturing equipment, and includes a housing having an inner space configured to contain the process fluid, a spray nozzle configured to spray the process fluid containing ozone into the inner space in the form of mist, and a nozzle heater configured to heat the process fluid passing through the spray nozzle.

Abstract: Provided are a liquid chemical tank module and a liquid chemical supply apparatus, the liquid chemical tank module including a tank body having a storage space capable of storing a liquid chemical, a gas ejector for ejecting an inert gas into the liquid chemical to reduce dissolved oxygen in the liquid chemical of the tank body, and a controller for applying a control signal to the gas ejector to control a flow rate of the inert gas, wherein the gas ejector includes a gas pipe extending into the storage space and at least partially dipped in the liquid chemical to supply the inert gas from outside of the tank body into the storage space, and a plurality of ejection nozzles along the extension direction of the gas pipe to eject the inert gas into the storage space or the liquid chemical in the storage space.

Abstract: The present disclosure relates to a filter flushing device and a filter flushing method in which a filter can be flushed and which may include: a main body in which at least one filter can be mounted; a deionized (DI) water supply unit that can selectively supply a plurality of types of DI water having different temperatures to the filter mounted in the main body at desired time intervals, thereby flushing the filter; a drain unit that drains the DI water passing through the filter to the outside of the main body; and a control unit that is electrically connected to the DI water supply unit to apply a control signal to the DI water supply unit so that a temperature and a flow rate of the DI water supplied to the main body through the DI water supply unit can be controlled.

Abstract: The inventive concept relates to an apparatus for treating a substrate. In an embodiment, the apparatus includes a process chamber having a process space in which the substrate is treated with a fluid in a supercritical state, a support unit that supports the substrate in the process space, a fluid supply unit that supplies the fluid into the process space, a filler member disposed to face the substrate placed on the support unit in the process space, and a measurement unit that measures a state in the process space, the measurement unit being provided in the filler member.

Abstract: A spray unit in which a plurality of nozzle heads are integrally coupled and a substrate treatment apparatus including the spray unit are provided. The substrate treatment apparatus includes: a substrate support unit supporting a substrate and including a spin head, which rotates the substrate; a treatment liquid retrieval unit retrieving substrate treatment liquids used in treating the substrate; and a spray unit including a plurality of nozzle heads and pipes, which are connected to the nozzle heads, and providing the substrate treatment liquids onto the substrate through the nozzle heads and the pipes, wherein the nozzle heads are moved at the same time.

Abstract: Provided are an ozone water decomposition apparatus and method that can decompose ozone water quickly and stably.

Abstract: Disclosed is a method of decomposing ozone in ozone water. According to the present invention, a temperature of ozone water is increased by mixing ozone water with heated water, and the ozone in the ozone water is decomposed into oxygen by the increase in the temperature.

Abstract: The inventive concept relates to an apparatus for treating a substrate. In an embodiment, the apparatus includes a process chamber having a process space in which the substrate is treated with a fluid in a supercritical state, a support unit that supports the substrate in the process space, a fluid supply unit that supplies the fluid into the process space, a filler member disposed to face the substrate placed on the support unit in the process space, and a measurement unit that measures a state in the process space, the measurement unit being provided in the filler member.

Abstract: An apparatus for treating a substrate includes an injecting member having a first nozzle configured to supply a first chemical to the substrate that is mounted on the supporting unit, and a second nozzle configured to supply a second chemical, which is different from the first chemical, to the substrate that is mounted on the supporting unit, and a controller configured to supply the first chemical before supplying the second chemicals and to control the first chemical, which is variable according to a type of thin film on the substrate mounted on the supporting unit, to be supplied.

Abstract: An apparatus for treating a substrate includes an injecting member having a first nozzle configured to supply a first chemical to the substrate that is mounted on the supporting unit, and a second nozzle configured to supply a second chemical, which is different from the first chemical, to the substrate that is mounted on the supporting unit, and a controller configured to supply the first chemical before supplying the second chemicals and to control the first chemical, which is variable according to a type of thin film on the substrate mounted on the supporting unit, to be supplied.

Abstract: Provided are an apparatus and a method of cleaning a substrate. The apparatus includes a substrate supporting unit supporting a substrate, a container surrounding the substrate supporting unit and collecting an organic solvent scattered from the substrate, and a fluid supplying unit provided on one side of the container and spraying a liquid organic solvent with bubbles to the substrate. The fluid supplying unit includes a nozzle head ejecting the organic solvent to the substrate, an organic solvent supplying line supplying the organic solvent from an organic solvent storage tank to the nozzle head, and a bubble providing element provided on the organic solvent supplying line and providing bubbles to the liquid organic solvent.

Abstract: Disclosed is a substrate treating apparatus. The substrate treating apparatus includes a housing defining a space for treating a substrate therein, a spin head supporting and rotating the substrate in the housing, a spray unit including a first nozzle member for spraying a first treating solution on the substrate placed on the spin head, and a controller controlling the spray unit. The controller sprays the first treating solution while moving the first nozzle member between edge and center regions of the substrate and above the substrate. The controller differently adjusts a first height at which the first treating solution is sprayed on the edge region of the substrate and a second height at which the first treating solution is sprayed on the center region of the substrate.

Abstract: A method for drying substrates using isopropyl alcohol (IPA) includes: a pre-stage in which heated fluid is injected to a bottom surface of a substrate to raise a temperature of the substrate simultaneously to injection of an organic solvent to a top surface of the substrate and injection of a dry gas to the top surface thereof to improve a vaporization power of the organic solvent; and a final stage in which the injection of the heated fluid is stopped and the organic solvent and the dry gas are injected to the top surface of the substrate.

Abstract: A method for drying substrates using isopropyl alcohol (IPA) includes: a pre-stage in which heated fluid is injected to a bottom surface of a substrate to raise a temperature of the substrate simultaneously to injection of an organic solvent to a top surface of the substrate and injection of a dry gas to the top surface thereof to improve a vaporization power of the organic solvent; and a final stage in which the injection of the heated fluid is stopped and the organic solvent and the dry gas are injected to the top surface of the substrate.

Abstract: Provided is a substrate treating method. The substrate treating method may include treating a substrate by using a chemical solution; rinsing the substrate by using pure water after treating the substrate by using the chemical solution; and treating the substrate by using an organic solvent, wherein the substrate treating method further includes coating the substrate with a hydrophobic membrane between the treating of the chemical solution and the treating of the organic solvent.

Abstract: Provided are an apparatus and a method of cleaning a substrate. The apparatus includes a substrate supporting unit supporting a substrate, a container surrounding the substrate supporting unit and collecting an organic solvent scattered from the substrate, and a fluid supplying unit provided on one side of the container and spraying a liquid organic solvent with bubbles to the substrate. The fluid supplying unit includes a nozzle head ejecting the organic solvent to the substrate, an organic solvent supplying line supplying the organic solvent from an organic solvent storage tank to the nozzle head, and a bubble providing element provided on the organic solvent supplying line and providing bubbles to the liquid organic solvent.

Abstract: A method for drying substrates using isopropyl alcohol (IPA) includes: a pre-stage in which heated fluid is injected to a bottom surface of a substrate to raise a temperature of the substrate simultaneously to injection of an organic solvent to a top surface of the substrate and injection of a dry gas to the top surface thereof to improve a vaporization power of the organic solvent; and a final stage in which the injection of the heated fluid is stopped and the organic solvent and the dry gas are injected to the top surface of the substrate.

Abstract: A method for drying substrates using isopropyl alcohol (IPA) includes: a pre-stage in which heated fluid is injected to a bottom surface of a substrate to raise a temperature of the substrate simultaneously to injection of an organic solvent to a top surface of the substrate and injection of a dry gas to the top surface thereof to improve a vaporization power of the organic solvent; and a final stage in which the injection of the heated fluid is stopped and the organic solvent and the dry gas are injected to the top surface of the substrate.

Abstract: Provided is a substrate treating method for selectively etching a surface of a substrate. In the substrate treating method, an etchant is supplied to a center portion of a rotating substrate through a first nozzle, and an etch prevention fluid is supplied through a second nozzle disposed at a predetermined position apart from the center portion of the substrate so as to dilute the etchant.