Abstract: An antenna apparatus includes: a parabolic reflector; a dielectric support pedestal; a sub-reflector connected to an upper part of the dielectric support pedestal; and a waveguide connected to a lower part of the dielectric support pedestal, wherein the parabolic reflector has a curved surface in which a ratio of a focal length to a diameter is greater than a preset value, and at least one corrugation configured to suppress a cross polarization is formed in a region of the dielectric support pedestal.

Abstract: A battery sub-packing unit includes a plurality of secondary battery cells, a cell support member including a seating portion for accommodating the plurality of secondary battery cells, and a venting inducing portion connecting the seating portion to an external area, and a case member provided to surround the secondary battery cell accommodated in the seating portion and to seal around the secondary battery cell.

Abstract: A battery fire detection device according to an embodiment includes: a first sensor configured to detect whether a gas vent of a battery cell is opened; a second sensor configured to detect a temperature of the battery cell; and a controller configured to determine whether there is a risk of fire or whether a fire occurs in the battery cell based on detection results of the first sensor and the second sensor.

Abstract: According to the present disclosure, an antenna apparatus which includes a hollow pillar shaped waveguide extending in a first direction and at least one ridge protruding from an inner circumferential surface of the waveguide and extending in the first direction, wherein the ridge has at least one recessed groove formed in the first direction; and an antenna apparatus which includes the waveguide, the ridge and the iris structure protruding from the inner circumferential surface of the waveguide along a plane intersecting the first direction, are provided.

Abstract: The present invention relates to a solder resist composition, and more specifically, to: a solder resist composition that can be used to obtain high reflectance, excellent yellowing resistance, excellent crack resistance, high resolution and flatness, excellent sensitivity, developability, adhesion, solder heat resistance, pencil hardness, solvent resistance, HAST resistance, and high reflectance and high gloss after a HAST test; a dry film and a printed wiring board which include a solder resist layer obtained therefrom; and methods for manufacturing same.

Abstract: Disclosed are a luminescence biotin-transition metal complex conjugate and a method of amplifying signals using the same. More particularly, disclosed herein are a luminescence biotin-transition metal complex conjugate comprising an energy acceptor and biotin, and optionally an energy donor and a method of amplifying signals using the biotin-transition metal complex conjugate using intramolecular energy transfer. The luminescence biotin-transition metal complex conjugate using a transition metal probe provides a phosphorescence detection system capable of improved sensitivity.

Abstract: Disclosed are a luminescence biotin-transition metal complex conjugate and a method of amplifying signals using the same. More particularly, disclosed herein are a luminescence biotin-transition metal complex conjugate comprising an energy acceptor and biotin, and optionally an energy donor and a method of amplifying signals using the biotin-transition metal complex conjugate using intramolecular energy transfer. The luminescence biotin-transition metal complex conjugate using a transition metal probe provides a phosphorescence detection system capable of improved sensitivity.