Abstract: A plasma etching method includes a first step of supplying a mixed gas containing vaporized heptafluoroisopropyl methyl ether gas having a molecular structure of a following Chemical Formula 1 or vaporized heptafluoropropyl methyl ether gas having a molecular structure of a following Chemical Formula 2 and argon gas into a plasma chamber in which an etching target is disposed; and a second step of etching the etching target using plasma generated from the mixed gas:

Abstract: A hybrid driving module includes a rotor with a hub ridge provided on a rotor hub to enable vibration noise to be reduced, and the hub ridge supports the rotor in a state in which the hub ridge is fastened to the rotor hub. The hybrid driving module may further include a ridge fixing structure that prevents the hub ridge from separating from the rotor hub. For example, the ridge fixing structure may be a ridge snap ring. The hybrid driving module may further include an elastic body that elastically presses the hub ridge toward the ridge snap ring. The elastic body may elastically press the rotor in the axial direction. The elastic body may also serve as a return spring of the piston plate of the engine clutch.

Abstract: The present invention relates to a hybrid driving module, in which an input member is aligned in a radial direction and/or an axial direction by a rotor hub, and thus the hybrid driving module may be easily assembled and ensure the high axial balance and the operability and durability of the engine clutch. In the hybrid driving module, the input member may be aligned at least in the radial direction or in the axial direction by a central shaft extension part of the rotor hub. A bearing configured to support a rotation and thrust may be installed between the central shaft extension part and the input member. The input member may be supported to be rotatable relative to a housing. The input member may be aligned in the radial direction and/or the axial direction by the housing.

Abstract: Disclosed is a plasma etching method including a first step of providing a mixed gas containing argon gas and vaporized 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether having a molecular structure of a following Chemical Formula 1 to a plasma chamber in which an etching target is disposed; and a second step of etching the etching target using plasma generated from the mixed gas:

Abstract: Embodiments of the present disclosure may provide measures for performing tuning of signals transmitted and received by a storage device, by providing a test signal provided by a test signal generator included in the storage device to a loopback path between a transmission block and a reception block of the storage device. By easily performing signal tuning of the storage device and preventing or reducing distortion of signals transmitted and received by the storage device, operational performance of the storage device may be improved.

Abstract: The present invention relates to a polyimide-based film which does not substantially cause a mura or rainbow phenomenon and has excellent visibility, a window cover film including the same, and a display panel including the same.

Abstract: The present invention relates to a window cover film and a flexible display panel including the same. More particularly, the present invention relates to a window cover film including a base layer and a hard coating layer, and a flexible display panel including the same. Since the window cover film of the present invention has high surface hardness, flexibility, the excellent bending properties, the window cover film may be restored to the original form without permanent deformation and/or damage of the hard coating layer and the window cover film even though a predetermined deformation is repeated.

Abstract: Provided are a polyimide-based film having excellent visibility, a film for a cover window, and a display device including the same.

Abstract: The present invention relates to a polyimide-based film, a window cover film including the polyimide-based film, and a display panel including the polyimide-based film. More specifically, the present invention relates to a polyimide-based film of which a modulus measured according to ASTM D882 is 5 GPa or more and a rate of change of the modulus, after the polyimide-based film is maintained under a high-temperature and high-humidity condition of 60° C. and 90% RH for 500 hours, is 10% or less.

Abstract: A polyamideimide film including a polyamideimide resin including units derived from dianhydride, aromatic diamine, and aromatic diacid dichloride; and a UV blocker including a benzotriazole-based compound is provided. The polyamideimide film according to one embodiment has UV weather resistance for a long time, low haze and a low yellow index, and a high modulus, so that optical and mechanical properties may be simultaneously implemented.

Abstract: Provided is a hard coating film. The hard coating film includes a base layer and a hard coating layer disposed on the base layer and having a pencil hardness of 4H or higher. A surface elongation at break of the hard coating film falls within a predetermined range, as measured by a certain method. The hard coating film shows excellent durability under high-temperature/high-humidity conditions, has no microcracks formed after repeated folding, and shows excellent pencil hardness.