摘要:
A semiconductor device includes a semiconductor substrate having a top surface and a bottom surface facing each other, an interlayer dielectric layer provided on the top surface of the semiconductor substrate and including an integrated circuit, an inter-metal dielectric layer provided on the interlayer dielectric layer and including at least one metal interconnection electrically connected to the integrated circuit, an upper dielectric layer disposed on the inter-metal dielectric layer, a through-electrode penetrating the inter-metal dielectric layer, the interlayer dielectric layer, and the semiconductor substrate, a via-dielectric layer surrounding the through-electrode and electrically insulating the through-electrode from the semiconductor substrate. The via-dielectric layer includes one or more air-gaps between the upper dielectric layer and the interlayer dielectric layer.
摘要:
A semiconductor device having a chip stack and an interconnection terminal is provided. The chip stack includes a first semiconductor chip, a second semiconductor chip and a third semiconductor chip stacked on each other. The interconnection terminal is electrically coupled to the chip stack. The first semiconductor chip includes a first front surface and a first backside surface. The second semiconductor chip includes a second front surface, a second backside surface, a second circuit layer and a through-electrode which is electrically coupled to the second circuit layer and penetrates the second semiconductor chip. The third semiconductor chip includes a third front surface, a third backside surface opposite to the third front surface and a third circuit layer adjacent to the third front surface. The first front surface and the second front surface face each other. The third front surface and the second backside surface face each other.
摘要:
Provided herein are semiconductor devices with through electrodes and methods of fabricating the same. The methods may include providing a semiconductor substrate having top and bottom surfaces facing each other, forming on the top surface of the semiconductor substrate a main via having a hollow cylindrical structure and a metal line connected to the main via, forming an interlayered insulating layer on the top surface of the semiconductor substrate to cover the main via and the metal line, removing a portion of the semiconductor substrate to form a via hole exposing a portion of a bottom surface of the main via, and forming in the via hole a through electrode that is electrically connected to the main via. The bottom surface of the main via is overlapped by a circumference of the via hole, when viewed in a plan view.
摘要:
Provided herein are semiconductor devices with through electrodes and methods of fabricating the same. The methods may include providing a semiconductor substrate having top and bottom surfaces facing each other, forming on the top surface of the semiconductor substrate a main via having a hollow cylindrical structure and a metal line connected to the main via, forming an interlayered insulating layer on the top surface of the semiconductor substrate to cover the main via and the metal line, removing a portion of the semiconductor substrate to form a via hole exposing a portion of a bottom surface of the main via, and forming in the via hole a through electrode that is electrically connected to the main via. The bottom surface of the main via is overlapped by a circumference of the via hole, when viewed in a plan view.
摘要:
In one embodiment, the method includes forming a conductive via structure in a base layer. The base layer has a first surface and a second surface, and the second surface is opposite the first surface. The method further includes removing the second surface of the base layer to expose the conductive via structure such that the conductive via structure protrudes from the second surface, and forming a first lower insulating layer over the second surface such that an end surface of the conductive via structure remains exposed by the first lower insulating layer.
摘要:
A semiconductor device including a lower layer, an insulating layer on a first side of the lower layer, an interconnection structure in the insulating layer, a via structure in the lower layer. The via structure protrudes into the insulating layer and the interconnection structure.
摘要:
Provided are semiconductor devices and methods of manufacturing the same. the device may include a semiconductor substrate, a first conductive pattern provided in the semiconductor substrate to have a first width at a surface level of the semiconductor substrate, a barrier pattern covering the first conductive pattern and having a second width substantially greater than the first width, a second conductive pattern partially covering the barrier pattern and having a third width substantially smaller than the second width, and an insulating pattern disposed on a sidewall of the second conductive pattern. The second width may be substantially equal to or less than to a sum of the third width and a width of the insulating pattern.
摘要:
Provided are semiconductor devices and methods of manufacturing the same. the device may include a semiconductor substrate, a first conductive pattern provided in the semiconductor substrate to have a first width at a surface level of the semiconductor substrate, a barrier pattern covering the first conductive pattern and having a second width substantially greater than the first width, a second conductive pattern partially covering the barrier pattern and having a third width substantially smaller than the second width, and an insulating pattern disposed on a sidewall of the second conductive pattern. The second width may be substantially equal to or less than to a sum of the third width and a width of the insulating pattern.
摘要:
A semiconductor device includes a semiconductor substrate, a circuit layer including an interlayer insulating layer on an upper surface of the substrate, and a conductive via penetrating through the interlayer insulating layer and the substrate, and electrically connected to the circuit layer. The device further includes an insulating layer surrounding the conductive via, and located between the conductive via and the substrate and between the conductive via and interlayer insulating layer, and a buffer layer located between the insulating layer and the conductive via, and overlapping at least a portion of the interlayer insulating layer in a depth direction of the conductive via.
摘要:
A microelectronic device includes a substrate having a trench extending therethrough between an active surface thereof and an inactive surface thereof opposite the active surface, a conductive via electrode extending through the substrate between sidewalls of the trench, and an insulating layer extending along the inactive surface of the substrate outside the trench and extending at least partially into the trench. The insulating layer defines a gap region in the trench that separates the substrate and the via electrode. Related devices and methods of fabrication are also discussed.