Abstract: A low noise amplifier includes: an amplification unit including a first transistor and a second transistor connected in a cascode structure and configured to amplify a signal input to a control terminal of the first transistor; and a gain controller connected between a contact point at which the first transistor and the second transistor are connected to each other and a power source voltage, and configured to adjust a gain of the amplification unit.

Abstract: A multilayer electronic component includes: a body including a capacitance forming portion in which dielectric layers and internal electrodes are alternately disposed in a first direction, and cover portions disposed on an upper surface and a lower surface of the capacitance forming portion, respectively, in the first direction; and external electrodes disposed on the body, wherein the cover portion includes a plurality of dielectric grains and a plurality of pores, and Gn/Pn is more than 10 and less than 30, in which Gn is the number of dielectric grains included in the cover portion and Pn is the number of pores included in the cover portion.

Abstract: A dielectric composition includes a main ingredient having a perovskite structure represented by ABO3, where A is at least one of Ba, Sr, and Ca and B is at least one of Ti, Zr, and Hf, and a first accessory ingredient. The first accessory ingredient comprises 0.1 mole or more of a rare earth element, 0.02 mole or more of Nb, and 0.25 mole or more and 0.9 mole or less of Mg, a sum of contents of the rare earth element and Nb is 1.5 mole or less.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a reflective member, and an image sensor sequentially arranged from an object side. The reflective member includes at least two reflective surfaces to change a path of light passing through the first to third lenses and incident on the reflective member at least twice.

Abstract: An optical imaging system includes a first lens having an object-side surface that is convex; a second lens having a refractive power and a refractive index of 1.65 or more; a third lens having a refractive power; a fourth lens having a refractive power and an object-side surface that is convex; a fifth lens having a refractive power; a sixth lens having a positive refractive power; and a seventh lens having an object-side surface that is convex, wherein the first lens through the seventh lens are sequentially disposed in numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system, and two or more of the first lens and the third lens through the seventh lens have a refractive index of 1.6 or more.

Abstract: A printed circuit board and a method of manufacturing the same are disclosed. The printed circuit board includes: a first core layer including a first insulating layer and a first core; a second core layer including a second insulating layer and a second core; a first element embedded in the first core; a second element embedded in the second core; a first pad and a second pad disposed on the first core layer and connected to the first element; a third pad and a fourth pad disposed on the second core layer and connected to the second element; and first connection layers interposed between one surface of the first core layer and one surface of the second core layer. The first pad and the third pad contact each other, and the first connection layers include at least one material of SiO2, SiN, and SiCN.

Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in ascending numerical order along an optical axis from an object side of the optical imaging system toward an imaging plane of an image sensor, wherein TTL/(2*IMG HT)?0.67 is satisfied, where TTL is a distance along the optical axis from an object-side surface of the first lens to the imaging plane of the image sensor, and IMG HT is one half of a diagonal length of the imaging plane of the image sensor, and 15<v1-v3<45 is satisfied, where v1 is an Abbe number of the first lens, and v3 is an Abbe number of the third lens.

Abstract: There is provided an optical system including: a first lens having positive refractive power and having a convex object-side surface; a second lens having positive refractive power; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having refractive power; and a seventh lens having negative refractive power and having a concave image-side surface, wherein the first to seventh lenses are sequentially disposed from an object side, whereby an aberration improvement effect may be increased and a high degree of resolution may be realized.

Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode disposed alternately with the dielectric layer; and an external electrode disposed on the body, wherein the dielectric layer includes a first region extending from an interfacial surface with the internal electrode to 50 nm of the dielectric layer in an inward direction and a second region excluding the first region, and wherein, in the first region, an average content of In based on overall elements excluding oxygen is 0.5 at % or more and 2.0 at % or less, and an average content of Sn based on overall elements excluding oxygen is 0.5 at % or more and 1.75 at % or less.

Abstract: A camera module includes: a first body including a substrate; an image sensor mounted on the substrate; a second body including a lens module; a ball bearing disposed between the first body and the second body to enable movement of the second body relative to the first body; and a driving member disposed between the first body and the second body to provide driving force to move the second body in at least one direction intersecting an optical axis.

Abstract: A multilayer electronic component includes: a body including a dielectric layer and an internal electrode; and external electrodes disposed on the body. An average content of indium (In) relative to titanium (Ti) satisfies 0.3 at % or more and 3.8 at % or less in a region of the dielectric layer that is spaced apart by 2 nm from an interface thereof with the internal electrode.

Abstract: An optical system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes an object-side surface that is convex with a meniscus shape. The second lens includes an image-side surface that is convex. The third lens includes an image-side surface that is concave. The fifth lens includes an image-side surface that is concave. The first to sixth lenses are sequentially disposed from an object side to an image side.

Abstract: An optical imaging system includes a first lens having a positive refractive power and a concave object-side surface, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, and a fifth lens having a positive refractive power and a concave image-side surface. The first through fifth lenses are sequentially disposed in ascending numerical order from an object side of the optical imaging system toward an imaging plane of the optical imaging system.

Abstract: A printed circuit board includes: a first interconnection layer; a first insulating layer covering at least a portion of a side surface of the first interconnection layer; a second insulating layer covering at least a portion of an upper surface of the first interconnection layer and at least a portion of an upper surface of the first insulating layer; a third insulating layer covering at least a portion of a lower surface of the first interconnection layer and at least a portion of a lower surface of the first insulating layer; a second interconnection layer disposed on an upper surface of the second insulating layer; and a third interconnection layer disposed on a lower surface of the third insulating layer.

Abstract: A camera module includes a plurality of lens modules having mutually different optical axes, a plurality of reflective members configured to change a path of light passing through at least one of the plurality of lens modules, and a housing having an internal space in which at least one of the plurality of lens modules is disposed. The plurality of lens modules include a first lens module including at least one lens disposed along a first optical axis, a second lens module including at least one lens disposed along a second optical axis, and a third lens module including at least one lens disposed along a third optical axis. The plurality of reflective members include a first reflective member opposing both the first lens module and the second lens module, and a second reflective member opposing both the second lens module and the third lens module.

Abstract: A lens module assembly optimization method includes: in preparing a lens module including assembled N lenses respectively formed in cavities: receiving characteristic information of at least N lenses respectively formed in N cavity groups each including a respective plurality of cavities; and processing information for selecting N cavities from the N cavity groups, based on the characteristic information. A past cavity selection result, a fitness function configured based on data of the assembled N lenses or data of the prepared lens module according to the past cavity selection result, and a genetic algorithm are received or stored.

Abstract: A capacitor component includes a body having first surface and second surfaces opposing each other and including through-holes penetrating through the first surface and the second surface, a first electrode covering an inner wall of each of the plurality of through-holes, a first common electrode covering the first surface and connected to the first electrode, a dielectric layer surrounded by the first electrode in the through-hole, a second electrode surrounded by the dielectric layer in the through-hole, a second common electrode layer covering the second surface and connected to the second electrode, a first external electrode disposed on at least one of a plurality of side surfaces of the body and connected to the first common electrode layer, and a second external electrode disposed on at least one of the plurality of side surfaces of the body and connected to the second common electrode layer.

Abstract: An apparatus configured to reduce an offset of a Hall sensor includes a voltage-current conversion circuit and a current mirror circuit. The voltage-current conversion circuit is configured to generate a current configured to decrease when a voltage of an input terminal to which a bias current of a Hall sensor is input increases and increase when the voltage of the input terminal decreases. The current mirror circuit has a current mirror structure configured to feedback the bias current based on the current generated by the voltage-current conversion circuit.

Abstract: A multilayer ceramic electronic component includes a ceramic body, and first and second external electrodes disposed on the surface of the ceramic body, respectively. The ceramic body includes a capacitance forming portion including a dielectric layer and internal electrodes, margin portions disposed on both sides of the capacitance forming portion, and cover portions disposed on both sides of the capacitance forming portion. The first and second external electrodes include first and second base electrodes, respectively, first and second conductive layers disposed on edges of the first and second base electrodes, respectively, and first and second terminal electrodes covering the first and second base electrodes, respectively.

Abstract: Disclosed is a method of detecting a moving target by a target detecting apparatus. The method includes: acquiring radar data from a radar installed in a vehicle, extracting location coordinates of a moving target from the radar data, obtaining a line of a reflective surface on which a signal of the radar is reflected using location coordinates of a fixed object, determining whether the moving target is in a Line of Sight (LOS) area of the radar or in a Non Line of Sight (NLOS) area of the radar based on the location coordinates of the moving target and the line segment of the reflective surface, and based on determining that the moving target is in an area corresponding to the NLOS area of the radar, converting the location coordinates of the moving target into actual coordinates corresponding to an actual location of the moving target.