Abstract: According to example embodiments of inventive concepts, a semiconductor package apparatus includes a first semiconductor package including a first substrate, a first solder resist layer on the first substrate, and a first sealing member that covers and protects the first solder resist layer, and a plurality of solder balls on the first substrate. The plurality of solder balls includes a first solder ball having a first height and a second solder ball having a second height that is different from the first height. The first sealing member includes holes that expose the solder balls.

Abstract: A positive electrode material for a lithium battery, a positive electrode prepared from the positive electrode material, and a lithium battery including the positive electrode are disclosed. The positive electrode material includes a positive active material, an aqueous binder, and tungsten trioxide. Due to the inclusion of the positive active material, the aqueous binder, and the tungsten trioxide (WO3), the positive electrode material may substantially prevent corrosion of an aluminum substrate. The positive electrode material has high electric conductivity. Lithium batteries including positive electrodes prepared from the positive electrode material have decreased resistance of the electrode plate, high rate characteristics, and good lifespan characteristics.

Abstract: Disclosed herein is a MEMS component including: a membrane; a mass body connected to the membrane; and a support connected to the membrane and supporting the mass body in a floated state to be displaced, wherein the membrane has an upper electrode and an upper piezoelectric material disposed on one side thereof and has a lower electrode and a lower piezoelectric material disposed on the other side thereof, based on an insulating adhesive layer.

Abstract: An electrode for a lithium secondary battery, the electrode including: an electrode active material; and a composite including a clay and a polymer intercalated between layers of the clay, a method of manufacturing the electrode, and a lithium secondary battery including the electrode.

Abstract: A cathode active material composition includes a cathode active material, a water-based binder, and a transition metal oxide. A cathode is prepared using the cathode active material composition. A lithium battery includes the cathode. The lithium battery has improved high-rate characteristics and lifespan characteristics by preventing an increase in internal resistance due to the corrosion of an electrode base material.

Abstract: A display device includes a data IC including a plurality of dummy output pads, and a plurality of signal output pads that are positioned at both sides of the plurality of dummy output pads; a plurality of dummy data pads and a plurality of signal input data pads in a non-display region of an array substrate of a display panel, the plurality of dummy data pads corresponding to the plurality of dummy output pads, and the plurality of signal input data pads corresponding to the plurality of the signal output pads; and a plurality of data link lines in the non-display region, and connected between the plurality of signal input data pads and the plurality of data lines in a display region of the display panel.

Abstract: Embodiments of the invention provide a MEMS sensor, including a mass body, a flexible beam coupled with the mass body, and a support part coupled with the flexible beam and floatably supporting the mass body. According to at least one embodiment, the flexible beam is provided with a sensing device configured to detect a physical amount depending on a displacement of the mass body, and a connection part between the flexible beam and the support part is provided with a reinforcement part to relax stress concentration in response to rigidity reinforcement.

Abstract: Disclosed are a positive active material for a rechargeable lithium battery including a core including a lithium nickel-based oxide, a lithium iron phosphate-based compound, or a combination thereof; and carbon nanotube grown on the surface of the core, and a rechargeable lithium battery including the same.

Abstract: A cathode and method of preparing the cathode are disclosed. The cathode includes a current collector, and a cathode active material layer disposed on the current collector, wherein the current collector includes a metal substrate, and a conductive protective layer disposed on at least a portion of the metal substrate, and the conductive protective layer includes one or more of a protrusion and a recess which react with base, a lithium battery including the cathode, and a method of preparing the cathode.

Abstract: Embodiments of the invention provide an acceleration sensor including a mass body, flexible beams coupled to the mass body, a supporting part having the flexible beams connected thereto and supporting the mass body so as to be floatable, and a lower cover coupled to the supporting part to cover the mass body, wherein the lower cover is provided with a buffering beam part so as to be opposite to the mass body.

Abstract: A positive active material composition for a rechargeable lithium battery that includes a positive active composite material including a compound being reversibly capable of intercalating and deintercalating lithium, WO3, and a binder; and an aqueous binder, a positive electrode for a rechargeable lithium battery including the positive active material composition, and a rechargeable lithium battery comprising the positive electrode including the positive active material composition.

Abstract: Embodiments of the invention provide an acceleration sensor, including a mass body part including a first mass body and a second mass body, flexible beams coupled with the first mass body, and a support part including first support parts, which are connected to the flexible beams and are disposed to face the second mass body, and second support parts, which are coupled with the first support parts. The mass body part, the flexible beams, and the support parts are configured of a first substrate and a second substrate coupled with each other so as to be stacked, and when the mass body part is excessively displaced, the second mass body contacts the first support parts to limit the displacement of the mass body part.

Abstract: Disclosed herein is an inertial sensor. The inertial sensor includes a sensing unit and a driving-mass-position initialization module. The sensing unit includes a driving mass, a flexible board unit which displaceably supports the driving mass, and a support which supports the flexible board unit to allow the driving mass to move in a suspended state. The flexible board unit has driving electrodes which move the driving mass, and sensing electrodes which sense the movement of the driving mass. The driving-mass-position initialization module includes a position initialization member which reciprocates to initialize the position of the driving mass, and a coil unit which surrounds the position initialization member. An initialization-member-receiving depression is formed in the driving mass. The shape of the initialization-member-receiving depression corresponds to that of the position initialization member.

Abstract: Disclosed herein is a method of manufacturing an inertial sensor using a polling method of a piezoelectric element performing a polling after packaging the piezoelectric element, the method of manufacturing an inertial sensor including: forming a driving electrode and a sensing electrode on a flexible substrate on which a piezoelectric material is deposited; electrically connection the driving electrode and the sensing electrode; packaging the flexible substrate; polling by applying voltage and heat to the driving electrode and the sensing electrode; and electrically separating the driving electrode from the sensing electrode by applying heat to the driving electrode and the sensing electrode.

Abstract: Disclosed herein is an inertial sensor including: a flexible part; a mass body connected to the flexible part; and a support part connected to the flexible part and supporting the mass body in a floated state to displace the mass body, wherein the flexible part has an upper piezoresistor disposed on one surface thereof and a lower piezoresistor disposed on the other surface thereof to detect a displacement of the mass body.

Abstract: Disclosed are a positive active material composition for a rechargeable lithium battery, a positive electrode for a rechargeable lithium battery including the same, and a rechargeable lithium battery including the positive electrode. The positive active material composition for a rechargeable lithium battery includes a nickel-based positive active material having pH of greater than or equal to about 11; V2O5; an aqueous binder, and a conductive material.

Abstract: In an aspect, a positive active material composition for a rechargeable lithium battery including a positive active material coated with a vanadium pentaoxide (V2O5) and an aqueous binder, a positive electrode including the same, and a rechargeable lithium battery including the positive electrode is disclosed.

Abstract: A display device includes a data IC including a plurality of dummy output pads, and a plurality of signal output pads that are positioned at both sides of the plurality of dummy output pads; a plurality of dummy data pads and a plurality of signal input data pads in a non-display region of an array substrate of a display panel, the plurality of dummy data pads corresponding to the plurality of dummy output pads, and the plurality of signal input data pads corresponding to the plurality of the signal output pads; and a plurality of data link lines in the non-display region, and connected between the plurality of signal input data pads and the plurality of data lines in a display region of the display panel

Abstract: Disclosed herein is an accelerator sensor, including: a mass body; a flexible beam that is provided with a piezoresistive element configured of an X-axis resistive element, a Y-axis resistive element, and a Z-axis resistive element having both ends connected with contact pads and is connected with the mass body; and a support portion that is connected with the flexible beam and supports the flexible beam so as to float the mass body, wherein the flexible beam has a slit provided between one-axis resistive element and the other axis resistive element adjacent to each other and the slit is extendedly formed from the contact pads connected with ends of the one axis resistive element and the other axis resistive element to the contact pads connected with the other ends thereof.

Abstract: Disclosed herein is an inertial sensor. An inertial sensor 100 according to a preferred embodiment of the present invention includes a plate-shaped membrane 110, a mass body 130 that is provided under a central portion 111 of the membrane 110 and includes an integrated circuit, and a post 140 that are provided under an edge 112 of the membrane 110 to surround the mass body 130, whereby the overall thickness and area of the inertial sensor can be reduced by including the integrated circuit in the mass body 130 to implement a thin and small inertial sensor 100.