Abstract: The present disclosure relates to a process solution for polymer processing, containing a polar aprotic solvent, a fluorine-based compound, and a sulfur-containing compound. The process solution for polymer processing may have excellent storage stability and minimize damage to the metal layer while improving an ability to remove the adhesive polymer remaining on a circuit surface of a semiconductor wafer.

Abstract: The present disclosure relates to a process solution composition for polymer treatment comprising: a fluorine compound; a ketone-based solvent; and a polar aprotic solvent, wherein the ketone-based solvent is one or more selected from the group consisting of compounds represented by Chemical Formula 1 or Chemical Formula 2, and has an effect capable of preventing damage to various types of metals while improving the power of removing an adhesive polymer remaining on the wafer circuit surface in a semiconductor manufacturing process.

Abstract: Disclosed are a synthetic nucleic acid molecule including 5?-UTR with improved translation efficiency and a vaccine/therapeutic composition including the same, and more particularly, a 5?-UTR polynucleotide that is imparted with improved translation efficiency based on the specific motif thereof, a synthetic nucleic acid molecule including the same and a vaccine/therapeutic composition including the synthetic nucleic acid molecule. The 5?-UTR polynucleotide effectively induces expression of target proteins due to improved translation efficiency thereof and thus is useful for various RNA-based applications, for example, vaccines, in vivo/ex vivo gene therapy, etc.

Abstract: Disclosed is a chip bonding composition for a power semiconductor package, which, by comprising an epoxy resin including glycidyl amine-based epoxy resin and bisphenol A type epoxy resin, a glycidyl ether-based diluent, and a polysilsesquioxane (PSQ) resin, has high thermal conductivity and adhesion, high heat dissipation characteristics, and low modulus characteristics. The chip bonding composition according to the present invention comprises: silver powder; an epoxy resin; a curing agent; a catalyst; a glycidyl ether-based diluent; and a PSQ resin.

Abstract: An example embodiment of the present disclosure relates to a nanofiber scaffold including polycaprolactone (poly(?-caprolactone; PCL), decellularized extracellular matrix (dECM) and usnic acid (UA), and a preparation method thereof. The nanofiber scaffold of an example embodiment of the present disclosure has a uniform nanofiber structure, good fluid absorption and retention, moderate release rate, high mechanical stability, thermal stability, and semi-crystalline structure, and exhibits excellent antibacterial efficacy against fungi/bacteria such as Candida albicans, and good compatibility with human-derived fibroblasts.

Abstract: A composition includes a dual crosslinkable hydrogel that includes a plurality of polymer macromers, which are crosslinked with a first agent and a second agent different than the first agent, wherein the crosslinks formed using the second agent are reversible and repeatable to allow the mechanical properties of the hydrogel to be dynamically adjusted.

Abstract: An example image forming apparatus includes a frame, a first shaft supported by the frame, and a first coupler. The first coupler includes a body coupled to one end of the first shaft and a first protrusion protruding from the body in an axial direction of the first shaft, the first protrusion having a first surface and a second protrusion protruding from the first surface. The second protrusion is to lock with a groove to mount a cartridge on the frame, the first shaft is to provide a rotational force in a first rotational direction to rotate the second protrusion of the first coupler and to insert the second protrusion into the groove to lock with the cartridge, and the first surface of the first protrusion of the first coupler is to contact a second surface to transmit the rotational force to the second coupler in the first rotational direction.

Abstract: An example image forming apparatus includes a frame, a first shaft supported by the frame, and a first coupler. The first coupler includes a body coupled to one end of the first shaft and a first protrusion protruding from the body in an axial direction of the first shaft, the first protrusion having a first surface and a second protrusion protruding from the first surface. The second protrusion is to lock with a groove to mount a cartridge on the frame, the first shaft is to provide a rotational force in a first rotational direction to rotate the second protrusion of the first coupler and to insert the second protrusion into the groove to lock with the cartridge, and the first surface of the first protrusion of the first coupler is to contact a second surface to transmit the rotational force to the second coupler in the first rotational direction.

Abstract: A slope detection device includes a structure provided with a spherical surface, multiple optical sensors provided on a spherical surface of the structure in a manner that face different directions, the optical sensors measuring a quantity of sunlight, an optical sensor receiving unit receiving output information of each of the optical sensors, a time providing unit providing calendar information on a date and a time when the output information is received, and an operation unit configured to analysis an incidence angle of the sunlight from the collected pieces of the output information, calculate a horizontal coordinate system from the analyzed incidence angle of the sunlight, the calendar information, and a sun path equation, and calculate a three-dimensional slope information for a current location in comparison with the horizontal coordinate system.

Abstract: An example image forming apparatus includes a frame, a first shaft supported by the frame, and a first coupler. The first coupler includes a body coupled to one end of the first shaft and a first protrusion protruding from the body in an axial direction of the first shaft, the first protrusion having a first surface and a second protrusion protruding from the first surface. The second protrusion is to lock with a groove to mount a cartridge on the frame, the first shaft is to provide a rotational force in a first rotational direction to rotate the second protrusion of the first coupler and to insert the second protrusion into the groove to lock with the cartridge, and the first surface of the first protrusion of the first coupler is to contact a second surface to transmit the rotational force to the second coupler in the first rotational direction.

Abstract: A universal coupler includes: a driving shaft, a coupler holder, driving coupler, a driving coupling pin, and an elastic member. The driving shaft has a driving shaft a first pin hole. The coupler holder includes a bore, a separation prevention member that partially blocks the bore, and a coupling groove formed in the bore. The driving coupler includes a spherical portion that is located in the bore and in contact with the separation prevention member, a shaft insertion portion formed through the spherical portion, and a second pin hole that penetrates the spherical portion. The driving coupling pin is insertable into the driving pin hole, and has an end insertable into the coupling groove. The elastic member applies elasticity to the coupler holder in a direction that urges the spherical portion of the driving coupler against the separation prevention member.

Abstract: The present disclosure relates to a process solution composition for polymer treatment comprising: a fluorine compound; a ketone-based solvent; and a polar aprotic solvent, wherein the ketone-based solvent is one or more selected from the group consisting of compounds represented by Chemical Formula 1 or Chemical Formula 2, and has an effect capable of preventing damage to various types of metals while improving the power of removing an adhesive polymer remaining on the wafer circuit surface in a semiconductor manufacturing process.

Abstract: An example image forming apparatus includes a frame, a first shaft supported by the frame, and a first coupler. The first coupler includes a body coupled to one end of the first shaft and a first protrusion protruding from the body in an axial direction of the first shaft, the first protrusion having a first surface and a second protrusion protruding from the first surface. The second protrusion is to lock with a groove to mount a cartridge on the frame, the first shaft is to provide a rotational force in a first rotational direction to rotate the second protrusion of the first coupler and to insert the second protrusion into the groove to lock with the cartridge, and the first surface of the first protrusion of the first coupler is to contact a second surface to transmit the rotational force to the second coupler in the first rotational direction.

Abstract: The present disclosure relates to a process solution for polymer processing, containing a polar aprotic solvent, a fluorine-based compound, and a sulfur-containing compound. The process solution for polymer processing may have excellent storage stability and minimize damage to the metal layer while improving an ability to remove the adhesive polymer remaining on a circuit surface of a semiconductor wafer.

Abstract: An image forming apparatus according to an example includes a main body, a driving coupler to drive a toner cartridge. The driving coupler is rotatable in a direction, a locking protrusion protrudes from an axial protrusion of the driving coupler in the direction of the driving shaft is lockable into a locking groove concavely formed in the direction of the driving shaft of a passive coupler of the toner cartridge. A driving force transmission surface of the axial protrusion of the driving coupler and a driving force receiving surface of the passive coupler are to contact each other to rotate the passive coupler in the direction.

Abstract: A universal coupler includes: a driving shaft, a coupler holder, driving coupler, a driving coupling pin, and an elastic member. The driving shaft has a driving shaft a first pin hole. The coupler holder includes a bore, a separation prevention member that partially blocks the bore, and a coupling groove formed in the bore. The driving coupler includes a spherical portion that is located in the bore and in contact with the separation prevention member, a shaft insertion portion formed through the spherical portion, and a second pin hole that penetrates the spherical portion. The driving coupling pin is insertable into the driving pin hole, and has an end insertable into the coupling groove. The elastic member applies elasticity to the coupler holder in a direction that urges the spherical portion of the driving coupler against the separation prevention member.

Abstract: An image forming apparatus according to an example includes a main body, a driving coupler to drive a toner cartridge. The driving coupler is rotatable in a direction, a locking protrusion protrudes from an axial protrusion of the driving coupler in the direction of the driving shaft is lockable into a locking groove concavely formed in the direction of the driving shaft of a passive coupler of the toner cartridge. A driving force transmission surface of the axial protrusion of the driving coupler and a driving force receiving surface of the passive coupler are to contact each other to rotate the passive coupler in the direction.

Abstract: Disclosed are a three-dimensional slope detection device and a slope detection method thereof, the slope detection device including: a structure provided with a spherical surface; multiple optical sensors provided on a spherical surface of the structure in a manner that face different directions, the optical sensors measuring a quantity of sunlight; an optical sensor receiving unit receiving output information of each of the optical sensors; a time providing unit providing calendar information on a date and a time when the output information is received; and an operation unit configured to analysis an incidence angle of the sunlight from the collected pieces of the output information, calculate a horizontal coordinate system from the analyzed incidence angle of the sunlight, the calendar information, and a sun path equation, and calculate a three-dimensional slope information for a current location in comparison with the horizontal coordinate system.

Abstract: A composition includes a dual crosslinkable hydrogel that includes a plurality of polymer macromers, which are crosslinked with a first agent and a second agent different than the first agent, wherein the crosslinks formed using the second agent are reversible and repeatable to allow the mechanical properties of the hydrogel to be dynamically adjusted.

Abstract: A composition includes a dual crosslinkable hydrogel that includes a plurality of polymer macromers, which are crosslinked with a first agent and a second agent different than the first agent, wherein the crosslinks formed using the second agent are reversible and repeatable to allow the mechanical properties of the hydrogel to be dynamically adjusted.