Abstract: The present invention is applicable to a field of a substrate for a high-frequency circuit, and relates, for example, to a composite polyimide film, a producing method thereof, and a printed circuit board using the same. More specifically, the composite polyimide film includes a film matrix including polyimide; and a plurality of filler particles dispersed in the film matrix, wherein each of the filler particles includes an inorganic particle, and a fluorine polymer coating formed on the inorganic particle.

Abstract: Disclosed is a semiconductor device comprising an upper pad surrounded by an upper dielectric layer, a lower pad in contact with the upper pad and the upper dielectric layer surrounded by a lower dielectric layer. The upper pad, the upper dielectric layer, the lower pad, and the lower dielectric layer define an upper space surrounding a lower portion of the upper pad and a lower space surrounding an upper portion of the lower pad. The upper space includes a first pad overlap section overlapping the lower pad and a first dielectric layer overlap section overlapping the lower dielectric layer. The lower pad includes a first protrusion part protruding toward the first pad overlap section of the upper space. The first protrusion part of the lower pad is at a level higher than that of a bottom surface of the upper dielectric layer.

Abstract: Provided is a semiconductor package including a lower semiconductor chip including a lower semiconductor substrate, a rear surface protecting layer covering a non-active surface of the lower semiconductor substrate, a plurality of lower via electrodes, and a plurality of rear surface signal pads and a plurality of rear surface thermal pads arranged on the rear surface protecting layer; an upper semiconductor chip including an upper semiconductor substrate, a wiring structure on an active surface of the upper semiconductor substrate, a front surface protecting layer that covers the wiring structure and has a plurality of front surface openings, and a plurality of signal vias and a plurality of thermal vias that fill the front surface openings; and a plurality of signal bumps connecting between the rear surface signal pads and the signal vias and a plurality of thermal bumps connecting between the rear surface thermal pads and the thermal vias.

Abstract: Semiconductor chips may include a substrate; a protective layer on a first surface of the substrate, through electrodes extending through the substrate and the protective layer, and a Peltier structure including first through structures including first conductivity type impurities, and second through structures including second conductivity type impurities, which may extend through the substrate and the protective layer; pads on the protective layer and connected to the through electrodes, respectively, first connection wires connecting respective first ends of the first through structures to respective first ends of the second through structures, and second connection wires connecting respective second ends of the first through structures to respective second ends of one of the second through structures. The first through structures and the second through structures may be alternately connected to each other in series by the first connection wires and the second connection wires.

Abstract: A semiconductor package includes an interposer substrate; an upper semiconductor chip on a top surface of the interposer substrate, such that a bottom surface of the upper semiconductor chip faces the top surface of the interposer substrate, a chip stack on a bottom surface of the interposer substrate and including a plurality of stacked lower semiconductor chips, wherein each of the lower semiconductor chips includes a plurality of through vias therein, wherein a top surface of the chip stack faces the bottom surface of the interposer substrate, a molding layer that covers a sidewall of the chip stack, a sidewall of the interposer substrate, and a sidewall of the upper semiconductor chip, and a plurality of connection terminals disposed below a bottom surface of the chip stack opposite the top surface of the chip stack, and coupled to the through vias. The upper semiconductor chip is electrically connected through the interposer substrate to the through vias.

Abstract: A semiconductor package includes second semiconductor chip stacked on the first semiconductor chip, a chip adhesive layer between the first and second semiconductor chips, a quadrangular signal pillar and a quadrangular center dummy pillar between a central portion of the second semiconductor chip and the first semiconductor chip, an elliptical corner dummy pillar between a corner portion of the second semiconductor chip and the first semiconductor chip, a signal bump between the signal pillar and the first semiconductor chip, a center dummy bump between the center dummy pillar and the first semiconductor chip and a corner dummy bump section between the corner dummy pillar and the first semiconductor chip.

Abstract: Disclosed is a semiconductor package comprising a lower semiconductor chip and upper semiconductor chips vertically stacked on a top surface of the lower semiconductor chip. The upper semiconductor chips include first upper semiconductor chips and a second upper semiconductor chip. The first upper semiconductor chips are between the lower semiconductor chip and the second upper semiconductor chip. A thickness of each of the first upper semiconductor chips is 0.4 to 0.95 times that of the lower semiconductor chip. A thickness of the second upper semiconductor chip is the same as or greater than that of the first upper semiconductor chip. A total number of the first and second upper semiconductor chips is 4n, wherein n is a natural number equal to or greater than three.

Abstract: Semiconductor chips may include a substrate; a protective layer on a first surface of the substrate, through electrodes extending through the substrate and the protective layer, and a Peltier structure including first through structures including first conductivity type impurities, and second through structures including second conductivity type impurities, which may extend through the substrate and the protective layer; pads on the protective layer and connected to the through electrodes, respectively, first connection wires connecting respective first ends of the first through structures to respective first ends of the second through structures, and second connection wires connecting respective second ends of the first through structures to respective second ends of one of the second through structures. The first through structures and the second through structures may be alternately connected to each other in series by the first connection wires and the second connection wires.

Abstract: Provided is a semiconductor package including a lower semiconductor chip including a lower semiconductor substrate, a rear surface protecting layer covering a non-active surface of the lower semiconductor substrate, a plurality of lower via electrodes, and a plurality of rear surface signal pads and a plurality of rear surface thermal pads arranged on the rear surface protecting layer; an upper semiconductor chip including an upper semiconductor substrate, a wiring structure on an active surface of the upper semiconductor substrate, a front surface protecting layer that covers the wiring structure and has a plurality of front surface openings, and a plurality of signal vias and a plurality of thermal vias that fill the front surface openings; and a plurality of signal bumps connecting between the rear surface signal pads and the signal vias and a plurality of thermal bumps connecting between the rear surface thermal pads and the thermal vias.

Abstract: The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of providing a user interface (UI) by an electronic device is provided. The method includes displaying a control UI, receiving a first drag input via the displayed control UI, and, when a direction of the first drag input corresponds to a first direction, displaying a cursor UI at a preset location. According to an embodiment of the present disclosure, a UI through which an electronic device can easily receive a user input may be provided.

Abstract: A semiconductor package may include a substrate, a chip stack disposed on the substrate, the chip stack including a plurality of first semiconductor chips vertically stacked on the substrate, a second semiconductor chip disposed on the substrate and horizontally spaced apart from the chip stack, and a third semiconductor chip disposed on the second semiconductor chip. An upper portion of the second semiconductor chip and a lower portion of the third semiconductor chip may contain an insulating element. The upper portion of the second semiconductor chip and the lower portion of the third semiconductor chip may contact each other at an interface between the second semiconductor chip and the third semiconductor chip and may constitute a single object formed of a same material.

Abstract: The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of providing a user interface (UI) by an electronic device is provided. The method includes displaying a control UI, receiving a first drag input via the displayed control UI, and, when a direction of the first drag input corresponds to a first direction, displaying a cursor UI at a preset location. According to an embodiment of the present disclosure, a UI through which an electronic device can easily receive a user input may be provided.