Abstract: A method for manufacturing a semiconductor device includes: providing a substrate including first to third regions; etching the substrate in the first region to form an active pattern; etching the substrate in each of the first to third regions to form first to third active regions; forming a first gate electrode on an insulating layer on the active pattern; forming a second gate electrode on the insulating layer on the second active region; and forming a third gate electrode on the insulating layer on the third active region, wherein a thickness of the first gate electrode overlapping the active pattern, a thickness of the second gate electrode overlapping the second active region, and a thickness of the third gate electrode overlapping the third active region are equal, and upper surfaces of the first to third gate electrodes are at a same level.

Abstract: There is provided a light therapy device including: bodies supported against a user's auricles; and generators disposed on one side of the bodies to irradiate light, wherein each generator comprises a casing and a plurality of LEDs disposed on one side of the casing to irradiate the light with different wavelengths from one another.

Abstract: A semiconductor device includes: a substrate including first and second regions thereon; a first active region in the first region; an active pattern protruding from the first active region; a second active region in the second region; a first gate electrode on the active pattern; a second gate electrode on the second active region; a first gate insulating layer, including a first-first insulating layer, between the active pattern and the first gate electrode; and a second gate insulating layer, including a second-first insulating layer and a second-second insulating layer below the second-first insulating layer, between the second active region and the second gate electrode, wherein a thickness in a vertical direction of the first gate electrode that overlaps the active pattern in the vertical direction is equal to a thickness in the vertical direction of the second gate electrode that overlaps the second active region in the vertical direction, and an upper surface of the first gate electrode is formed at a

Abstract: A system for establishing a dental treatment environment, includes: a head-mounted device provided at a dental clinic to be mounted on a patient's head, the head-mounted device having an image display unit and an ear-mounted speaker, a microphone for converting a sound including the voice of the medical staff in charge of the patient into an electric signal; a voice recognition module for recognizing the voice of the medical staff in charge from the electric sound input from the microphone; a content module storing multiple image contents for relaxing the patient mentally physically; a user interface having a content selection unit configured such that the patient can select a play content provided to the image display unit from the multiple image contents; and an output signal generating module for generating an output signal that is output to the head-mounted device.

Abstract: There is provided a light therapy device including: bodies supported against a user's auricles; and generators disposed on one side of the bodies to irradiate light, wherein each generator comprises a casing and a plurality of LEDs disposed on one side of the casing to irradiate the light with different wavelengths from one another.

Abstract: The present invention provides an apparatus for protecting dental patient hearing through noise reduction, the apparatus comprising: a main body portion provided in a form that can be mounted on both ears of a user; a microphone module that is provided on one side of the main body portion and collects external sound signals generated from the outside; a noise filter module that is built in the main body portion and filters the external sound signals to block or reduces noise signals included in the external sound signals; and a speaker module that is built in the main body portion and provided on the other side of the main body portion corresponding to the ears of the user, and that outputs sound signals filtered by the noise filter module.

Abstract: A sound control system for dental treatment, includes: ear-worn speakers equipped to be worn by a patient in the dentist; a microphone that converts, into an electrical signal, a sound including the voice of a medical staff in charge of the patient; a voice recognition module for recognizing the voice of the medical staff in charge from an electrical sound signal input from the microphone; a sound source module that stores a plurality of sound sources for mental and physical stability of the patient; a user interface including a sound source selection unit that allows the patient to select a play sound source provided via the ear-worn speakers from among the plurality of sound sources; and an output signal generation module for generating an output sound signal output via the ear-worn speakers.

Abstract: A semiconductor device includes; an active region extending in a first horizontal direction on a substrate, source/drain regions disposed on the active region, a buried trench formed between the source/drain regions, a buried insulating layer surrounding both side walls of the buried trench in the first horizontal direction between the source/drain regions, a wing trench formed in a lower part of the buried trench and having a width greater than a width of the buried trench, and a gate electrode extending in a second horizontal direction on the active region, and disposed within each of the buried trench and the wing trench.

Abstract: A semiconductor device includes: a substrate including first and second regions thereon; a first active region in the first region; an active pattern protruding from the first active region; a second active region in the second region; a first gate electrode on the active pattern; a second gate electrode on the second active region; a first gate insulating layer, including a first-first insulating layer, between the active pattern and the first gate electrode; and a second gate insulating layer, including a second-first insulating layer and a second-second insulating layer below the second-first insulating layer, between the second active region and the second gate electrode, wherein a thickness in a vertical direction of the first gate electrode that overlaps the active pattern in the vertical direction is equal to a thickness in the vertical direction of the second gate electrode that overlaps the second active region in the vertical direction, and an upper surface of the first gate electrode is formed at a

Abstract: A semiconductor device includes; an active region extending in a first horizontal direction on a substrate, source/drain regions disposed on the active region, a buried trench formed between the source/drain regions, a buried insulating layer surrounding both side walls of the buried trench in the first horizontal direction between the source/drain regions, a wing trench formed in a lower part of the buried trench and having a width greater than a width of the buried trench, and a gate electrode extending in a second horizontal direction on the active region, and disposed within each of the buried trench and the wing trench.

Abstract: The present invention provides an apparatus for protecting dental patient hearing through noise reduction, the apparatus comprising: a main body portion provided in a form that can be mounted on both ears of a user; a microphone module that is provided on one side of the main body portion and collects external sound signals generated from the outside; a noise filter module that is built in the main body portion and filters the external sound signals to block or reduces noise signals included in the external sound signals; and a speaker module that is built in the main body portion and provided on the other side of the main body portion corresponding to the ears of the user, and that outputs sound signals filtered by the noise filter module.

Abstract: A system for establishing a dental treatment environment, includes: a head-mounted device provided at a dental clinic to be mounted on a patient's head, the head-mounted device having an image display unit and an ear-mounted speaker, a microphone for converting a sound including the voice of the medical staff in charge of the patient into an electric signal; a voice recognition module for recognizing the voice of the medical staff in charge from the electric sound input from the microphone; a content module storing multiple image contents for relaxing the patient mentally physically; a user interface having a content selection unit configured such that the patient can select a play content provided to the image display unit from the multiple image contents; and an output signal generating module for generating an output signal that is output to the head-mounted device.

Abstract: A sound control system for dental treatment, includes: ear-worn speakers equipped to be worn by a patient in the dentist; a microphone that converts, into an electrical signal, a sound including the voice of a medical staff in charge of the patient; a voice recognition module for recognizing the voice of the medical staff in charge from an electrical sound signal input from the microphone; a sound source module that stores a plurality of sound sources for mental and physical stability of the patient; a user interface including a sound source selection unit that allows the patient to select a play sound source provided via the ear-worn speakers from among the plurality of sound sources; and an output signal generation module for generating an output sound signal output via the ear-worn speakers.

Abstract: A semiconductor device is provided. The semiconductor device comprises a substrate, a gate electrode on the substrate, an element isolation film in the substrate and spaced apart from the gate electrode, an impurity region between the element isolation film and the gate electrode, the impurity region including a first impurity of a first concentration, and a depletion buffer region on at least a part of side walls of the element isolation film, the depletion buffer region including a second impurity of a second concentration higher than the first concentration, a conductivity type of the second impurity being the same as a conductivity type of the first impurity.

Abstract: An method for preparing a flexible transparent electrode film that has a high transmittance and low sheet resistance without having to go through a separate heating process by using cesium, and a flexible transparent electrode film prepared thereby, the method including: applying a nanowire transparent conductive film on a high molecular base material film; coating the nanowire transparent conductive film with a sol-gel solution wherein titanium dioxide and cesium are mixed; and welding the nanowire.

Abstract: Provided herein is a method for forming silicide of a semiconductor device and a source/drain for use in the semiconductor device, the method including preparing a silicon substrate that includes silicon; depositing ytterbium, refractory metal and transition metal nitride on the silicon substrate so that the ytterbium and the refractory metal form an ytterbium alloy thin film and the transition metal nitride form a capping layer; and heating the silicon substrate to form ytterbium silicide on an interface between the silicon substrate and the ytterbium alloy thin film.

Abstract: An method for preparing a flexible transparent electrode film that has a high transmittance and low sheet resistance without having to go through a separate heating process by using cesium, and a flexible transparent electrode film prepared thereby, the method including: applying a nanowire transparent conductive film on a high molecular base material film; coating the nanowire transparent conductive film with a sol-gel solution wherein titanium dioxide and cesium are mixed; and welding the nanowire.

Abstract: The present invention relates to a composition of a hair growth facilitator comprising camphor extract, morus bark root extract, new shoot extract of a pine tree, and fibrous biopolymer produced by silkworm cocoons. By having a superior hair growth effect without any known side effects or toxicities, the present invention can resolve the drawbacks present in the conventional compositions of hair growth facilitators and thus can be safely applied to various hair-related products such as hair tonic, hair lotion, hair cream, hair shampoo and hair conditioner.