Protec Co., Ltd.

Seoul National University

Doosan Corporation

Kcc Corporation

Seung Min Hong

Eui Keun Choi

Hansung Lee

Il Kang

Dae Yong Lee

Keon Hee Kim

Min Sun Kim

Da Hai Zhang

Yong Hun Lee

Seung Hwan Choi

Yong Joo Kim

Jeong Don Kwon

Yong Ho Choi

Bon Yi Lee

Se Hee An

So Jin Kang

Hyuk Joon Kwon

Heejae Jin

Soo Bin Oh

Hee Joong Cho

Ju Ho Shin

Su Young Cho

Song Yi Lee

Sung Jun Kim

Young Gi Jeong

Provided is a hybrid spray pump which sprays and applies a viscous liquid in a fine particle state to a material. The hybrid spray pump sprays effectively fine particles of the viscous liquid according to various characteristics of the viscous liquid ranging from low to high viscosity, and improves the quality of a particle application process by mixing fine particles and aerosol particles by spraying.

Hybrid spray pump

Provided is an apparatus for ejecting viscous liquid aerosol, and more particularly, an apparatus for ejecting viscous liquid aerosol capable of dispensing a viscous liquid to a work with a fine line width by ejecting the viscous liquid in the form of aerosols. The apparatus for ejecting viscous liquid aerosol may be configured compactly by miniaturizing a device capable of aerosolizing and ejecting viscous liquid in the form of aerosols. In addition, since the apparatus for ejecting viscous liquid aerosol has a structure that is easy to miniaturize, it is easy to uniformly maintain the characteristics of aerosol.

Apparatus for ejecting viscous liquid aerosol

A low hysteresis piezo-electric pump using a piezo-electric element as an actuator to dispense a liquid may maintain accurate viscous liquid discharge characteristics by adjusting an applied voltage in response to changes in behavioral characteristics of a piezo-electric actuator depending on causes such as temperature change.

Low hysteresis piezo-electric pump

The present invention relates to an mammalian non-pathogenic, highly-productive-in-embryonated-egg, heat-resistant, and attenuated clade 2.3.4.4c H5N6 recombinant influenza A virus, and a vaccine composition including the recombinant influenza virus and artificial H5 gene as active ingredients.

H5N6 recombinant influenza virus, a composition for preparing the same, and a vaccine composition containing the same

Provided is a dispensing apparatus capable of cleaning a nozzle, and more particularly, to a dispensing apparatus capable of cleaning a nozzle having the function of cleaning a nozzle of an apparatus for dispensing a viscous solution with a cleaning solution. The dispensing apparatus capable of cleaning a nozzle can effectively supply and manage a cleaning solution while effectively cleaning the viscous solution that are likely to be attached to the nozzle.

Dispensing apparatus having nozzle cleaning function

There is provided a laser apparatus for a printed electronic system according to an exemplary embodiment of the present invention including: a laser generating unit which oscillates a laser beam; a laser changing unit which changes an intensity or a wavelength of the laser beam oscillated from the laser generating unit; a laser control unit which controls the intensity or a magnitude of the wavelength of the laser beam which is changed by the laser changing unit; and a laser steering unit which changes a traveling direction of the laser beam output from the laser changing unit to be directed to a target, and the laser control unit controls the intensity or the magnitude of the wavelength of the laser beam in accordance with a state of a printing pattern formed on the target.

Laser apparatus for printed electronics system and operating method thereof

A printing apparatus for printed electronics according to the present invention may include: ejection head units which each have at least one nozzle for ejecting ink droplets to perform drop-on-demand or continuous printing; a jetting observation unit which is provided at one side of the nozzle and configured to observe the ink droplet ejected from the nozzle; a lighting unit which is provided at the other side of the nozzle and configured to provide light to the jetting observation unit; an alignment observation unit which is configured to observe an aligned state between the nozzle and a substrate; and a fluid supply unit which is configured to supply the ink to the nozzle, in which the ejection head units include a single-nozzle head unit, and a multi-nozzle head unit provided separately from the single-nozzle head unit.

Printing apparatus for printed electronics

Embodiments relate to a water soluble paint composition for a vehicle. The water soluble paint composition includes a core-shell microgel resin, a dimer-modified polyester resin, a (meth)acryl-modified polyurethane resin, a curing agent, a pigment, and water, wherein the dimer-modified polyester resin is included in an amount of 1 to 10 wt % with respect to 100 wt % of the water-soluble paint composition. When the water soluble paint composition according to various embodiments is used to paint a vehicle, air handling equipment and an oven are not needed, so that energy can be saved in the painting process, COproduction can be reduced, costs can be saved for painting equipment and maintenance, and space for a painting line can be saved, and a paint layer can be formed having excellent smoothing, waterproofing, chipping resistance, and outer appearance.

Water-based paint composition for vehicle

Provided is a wafer level dispenser, and more particularly, a wafer level dispenser having a function of applying a viscous liquid to a semiconductor chip formed on a wafer by approaching the semiconductor chip on the wafer at various angles. According to the wafer level dispenser, a viscous liquid may be dispensed to a wafer or a semiconductor chip mounted on the wafer by adjusting an angle of a pump as desired.

Wafer level dispenser

Provided are apparatus and method of dispensing an adhesive liquid for a dust trap, in which the adhesive liquid is dispensed to a camera module while effectively cleaning the adhesive liquid that may be smeared on a nozzle, thereby enhancing productivity and quality of a process of forming a dust trap.

Apparatus and method for dispensing adhesive liquid for dust trap

A piezoelectric dispenser having a uniform dispensing quality of a viscous liquid by calibrating an operation stroke of a valve rod discharging a viscous liquid (vertical operation displacement of the valve rod) by setting the operation stroke of the valve rod to an initial value during use, and a method of calibrating the operation stroke of the piezoelectric dispenser. Accordingly, a uniform dispensing accuracy of viscous liquid may be maintained, and degradation of the dispensing quality of a viscous liquid due to abrasion of components may be reduced.

Piezoelectric dispenser and method of calibrating stroke of the same

A dispensing pump, and more particularly, a valve accelerating type dispensing pump that may be used in a process of manufacturing an electronic product and may dispense an accurate amount of a liquid, such as a liquid synthetic resin, at high speed. The valve accelerating type dispensing pump can descend a valve rod at high speed and thus can dispense a liquid with high viscosity at high speed. The valve accelerating type dispensing pump can dispense an accurate amount of a liquid at high speed. Also, the valve accelerating type dispensing pump can dispense a liquid having high viscosity at high speed due to a fast descending speed of a valve rod.

Valve accelerating type dispensing pump

A piezo-pneumatic valve driving type dispensing pump having an improved dispensing speed and a simplified structure, and a method of dispensing a viscous liquid by using the pump. Accordingly, a viscous liquid may be easily dispensed by reciprocating a valve rod inserted into a reservoir storing the viscous liquid, by using an air pressure. In particular, the air pressure may be precisely controlled by opening or closing a flow passage allowing the air to enter or exit, by using a piezoelectric element-based piezoelectric valve. Thus, the valve rod may be operated precisely at a high speed so that an exact amount of the viscous liquid is dispensed at a high speed.

Piezo-pneumatic valve driving type dispensing pump and method of dispensing viscous liquid by using the pump

A dispensing pump, and more particularly, a valve impact type dispensing pump that may be used in a process of manufacturing an electronic product and may dispense an accurate amount of a liquid, such as a liquid synthetic resin, at high speed. The valve impact type dispensing pump can descend a valve rod at high speed and thus can dispense a liquid with high viscosity at high speed. The valve impact type dispensing pump can dispense an accurate amount of a liquid at high speed. Also, the valve impact type dispensing pump can dispense a liquid having high viscosity at high speed due to a fast descending speed of a valve rod.

Valve impact type dispensing pump

Provided is an operating number-counting piezoelectric dispenser including a piezoelectric pump dispensing a liquid by using a piezoelectric element as an actuator. According to the operating number-counting piezoelectric dispenser, damages to a piezoelectric actuator may be predicted and the piezoelectric actuator may be replaced before the damages are caused, thereby preventing process loss and defective products and improving productivity.

Growing community of inventors

Incheon, South Korea

Seung Min Hong