Abstract: Disclosed is a binder composition for an all-solid-state battery including a conjugated diene-based rubber polymer and a solvent, wherein a content of a cis bond in the conjugated diene-based rubber polymer is 90% by weight or more.

Abstract: Disclosed are a rubber polymer including a unit structure derived from a conjugated diene-based monomer and at least one of compounds represented by Chemical Formula 1 to Chemical Formula 4, a method of preparing the same, and a rubber composition including the same.

Abstract: Disclosed is an interfacial polymer for a network used as a coupling agent in mixing of rubber-silica. More particularly, the interfacial polymer for a rubber-silica network is a block copolymer containing a copolymer of conjugated diene and vinyl aromatic monomers, in which when used as a coupling agent in the mixing of synthetic rubber and silica (an inorganic material), the polymer enhances silica dispersibility within the rubber, and improves compatibility and processability, resulting in considerable improvement in the dynamic property as well as the mechanical property of the rubber, and when used in a tire, etc., it enhances automobile braking performance and reduces rolling resistance.

Abstract: Disclosed is an interfacial polymer for a network used as a coupling agent in mixing of rubber-silica. More particularly, the interfacial polymer for a rubber-silica network is a block copolymer containing a copolymer of conjugated diene and vinyl aromatic monomers, in which when used as a coupling agent in the mixing of synthetic rubber and silica (an inorganic material), the polymer enhances silica dispersibility within the rubber, and improves compatibility and processability, resulting in considerable improvement in the dynamic property as well as the mechanical property of the rubber, and when used in a tire, etc., it enhances automobile braking performance and reduces rolling resistance.

Abstract: A vibration reduction apparatus of a disk drive is provided. An optical pickup base 10 in which an optical pickup 16 is movably installed is provided. A spindle motor 18 for providing power requiring for rotating a disk is installed at the front end of the optical pickup base 10, and a turntable 20 for mounting a disk is provided at a rotation axis of the spindle motor 18. A vibration reduction body 30 for reducing a vibration generating in the optical pickup base 10 is installed in the optical pickup base 10. The vibration reduction body 30 comprises a fixing device 32 fixedly installed at one side of the optical pickup base 10, a support bar 36 extended from one side of the fixing device 32 and having an elastically deformable cantilever shape, and a vibration proof weight 38 provided at the front end of the support bar 36.

Abstract: A clamping device of a disk drive including a driving source, a driving member rotated by the driving force of the driving source; a clamping member for clamping a disk while being ascended and descended by virtue of a rotation movement of the driving member; a clamping member ascending and descending unit for switching the rotation movement of the driving source to ascending and descending movement of the clamping member, and elastically supporting the disk on a turntable while the disk is being mounted on the turntable; and an elastic press member installed on the upper surface of the driving member, for pressing the clamping member in the direction where the disk is positioned. The elastic support arm, which is thin and has a desirable restoring force, is driven by the rotation movement of the clamp driving member, thereby ascending and descending the clamper. Thus, the overall construction is thin, light and small as well as ensuring the firm and reliable clamping of the disk.

Abstract: A disk receiving and transferring device by which a disk is precisely guided into the disk drive. Disks of different diameter can be inserted into a single disk drive, and at the same time gears are smoothly engaged during power transmission for the clamping of a disk.

Abstract: A recording medium ejecting apparatus including a drive main body, a tray carrying a recording medium and being movable inwardly and outwardly of the drive main body; and a driving element for supplying power for the movement of the tray, even in a state where it is completely ejected from the drive main body, wherein the tray can be inserted and ejected to the position where the disk can be loaded and unloaded by using electric power in a thin and small tray-type disk drive as used for a notebook computer, enabling user's convenience.