Abstract: A method of fabricating a semiconductor memory device includes preparing a semiconductor substrate which is divided into a cell array region and a core and peripheral region adjacent to the cell array region. Signal lines may be formed in a lower layer in a cell region. An insulation layer may be formed on the lower layer. Signal lines connected to cell region signal lines may be formed on an insulation layer of the peripheral region. A capping layer may be formed on the insulation layer and the core and peripheral signal lines. The capping layer may be etched to expose the lower layer of the cell array region and an etch stop may be formed on the lower layer and the core and peripheral region.

Abstract: A fuse structure, an e-fuse including the fuse structure and a semiconductor device including the e-fuse are disclosed. The fuse structure includes first and second electrodes extending in a first direction, and spaced a predetermined distance apart from each other and having one ends thereof facing each other, an insulation layer formed between the one end of the first electrode and the one end of the second electrode facing each other, and a conductive film overlapping portions of the first and second electrodes on the insulation layer and contacting the first electrode and the one end of the second electrode.

Abstract: A method of manufacturing a thin film transistor array panel includes forming a semiconductor on a substrate, forming a gate insulating layer on the semiconductor, forming a sacrificial layer including an opening on the gate insulating layer, forming a copper layer on the sacrificial layer, the copper layer filling the opening, forming a gate wiring by polishing the copper layer by chemical mechanical polishing until the sacrificial layer is exposed, removing the sacrificial layer, forming a source region and a drain region by doping conductive impurities on the semiconductor by using the gate wiring as a mask, forming a first interlayer insulating layer covering the gate wiring, and forming a source electrode and a drain electrode connected to the source region and the drain region, respectively, on the first interlayer insulating layer.

Abstract: A semiconductor device includes a fuse having the form of a capacitor. The semiconductor device includes a cathode formed on a semiconductor substrate, an anode formed over the cathode, and at least one filament having a cylindrical-shell shape formed between the cathode and the anode and electrically connecting the cathode and the anode.

Abstract: A method of fabricating a semiconductor memory device includes preparing a semiconductor substrate which is divided into a cell array region and a core and peripheral region adjacent to the cell array region. Signal lines may be formed in a lower layer in a cell region. An insulation layer may be formed on the lower layer. Signal lines connected to cell region signal lines may be formed on an insulation layer of the peripheral region. A capping layer may be formed on the insulation layer and the core and peripheral signal lines. The capping layer may be etched to expose the lower layer of the cell array region and an etch stop may be formed on the lower layer and the core and peripheral region.

Abstract: A fuse structure, an e-fuse including the fuse structure and a semiconductor device including the e-fuse are disclosed. The fuse structure includes first and second electrodes extending in a first direction, and spaced a predetermined distance apart from each other and having one ends thereof facing each other, an insulation layer formed between the one end of the first electrode and the one end of the second electrode facing each other, and a conductive film overlapping portions of the first and second electrodes on the insulation layer and contacting the first electrode and the one end of the second electrode.

Abstract: Provided is a semiconductor memory device including cylinder type storage nodes and a method of fabricating the semiconductor memory device. The semiconductor memory device includes: a semiconductor substrate including switching devices; a recessed insulating layer including storage contact plugs therein, wherein the storage contact plugs are electrically connected to the switching devices and the recessed insulating layer exposes at least some portions of upper surfaces and side surfaces of the storage contact plugs. The semiconductor device further includes cylinder type storage nodes each having a lower electrode. The lower electrode contacting the at least some portions of the exposed upper surfaces and side surfaces of the storage node contact plugs.

Abstract: A method of forming a semiconductor memory device includes sequentially forming an etch stop layer and then a mold layer, forming a plurality of line-shaped support structures and a first sacrificial layer filling gaps between the support structures on the mold layer, sequentially forming a plurality of line-shaped first mask patterns, a second sacrificial layer, and then second mask patterns on the support structures and on the first sacrificial layer, removing the second sacrificial layer, the first sacrificial layer, and the mold layer using the first mask patterns, the second mask patterns, and the support structures as masks, removing the first mask patterns and second mask patterns, filling the storage node electrode holes with a conductive material and etching back the conductive material to expose the support structures, and removing the first sacrificial layer and the mold layer to form pillar-type storage node electrodes supported by the support structures.

Abstract: A semiconductor device includes a fuse having the form of a capacitor. The semiconductor device includes a cathode formed on a semiconductor substrate, an anode formed over the cathode, and at least one filament having a cylindrical-shell shape formed between the cathode and the anode and electrically connecting the cathode and the anode.

Abstract: In a semiconductor device and a method of manufacturing the semiconductor device, lower electrodes having cylindrical shapes are provided to be arranged repeatedly on a substrate. Upper surfaces of the lower electrodes are flat so that the lower electrodes have uniform heights. Supporting structures are provided between the lower electrodes to support the lower electrode, the supporting structure partially contacting outer surfaces of sidewalls of the lower electrodes that are arranged in a line. A dielectric layer is formed on surfaces of the lower electrodes and the supporting structures. An upper electrode is provided on the dielectric layer. The semiconductor device includes a capacitor having an improved capacitance. Further, the capacitor includes the support structure between the lower electrodes to prevent the adjacent lower electrodes from being short each other.

Abstract: A method of forming a semiconductor memory device includes sequentially forming an etch stop layer and then a mold layer, forming a plurality of line-shaped support structures and a first sacrificial layer filling gaps between the support structures on the mold layer, sequentially forming a plurality of line-shaped first mask patterns, a second sacrificial layer, and then second mask patterns on the support structures and on the first sacrificial layer, removing the second sacrificial layer, the first sacrificial layer, and the mold layer using the first mask patterns, the second mask patterns, and the support structures as masks, removing the first mask patterns and second mask patterns, filling the storage node electrode holes with a conductive material and etching back the conductive material to expose the support structures, and removing the first sacrificial layer and the mold layer to form pillar-type storage node electrodes supported by the support structures.

Abstract: A semiconductor device includes a conductive pattern disposed on a substrate, a first interlayer dielectric layer disposed on the substrate and the conductive pattern, a first dummy pattern disposed on the first interlayer dielectric layer and partially overlapping the conductive pattern, a second interlayer dielectric layer disposed on the first interlayer dielectric layer and the first dummy pattern, a second dummy pattern disposed on the second interlayer dielectric layer and partially overlapping the conductive pattern, a third interlayer dielectric layer disposed on the second interlayer dielectric layer and the second dummy pattern, and a contact plug that penetrates the third interlayer dielectric layer, the second interlayer dielectric layer, and the first interlayer dielectric layer to contact the conductive pattern, the contact plug arranged between the first dummy pattern and the second dummy pattern, the contact plug abutting the first dummy pattern and the second dummy pattern.

Abstract: In a semiconductor device having a capacitor and a method of fabricating the same, the semiconductor device comprises a semiconductor substrate and an insulating layer on the semiconductor substrate, a contact plug electrically connected to the semiconductor substrate and formed in the contact hole, a buffer conductive layer pattern electrically connected to the contact plug and formed on the insulating layer and the contact plug, an etching stopping layer formed on the buffer conductive layer pattern, a gap between the buffer conductive layer pattern and the etching stopping layer, a capacitor lower electrode electrically connected to the buffer conductive layer pattern and formed on the buffer conductive layer pattern. The gap is filled by a portion of the capacitor lower electrode.

Abstract: A recess gate-type semiconductor device includes a gate electrode having a recessed portion at least partially covering a recess trench in an active region, and source/drain regions disposed in the active region that are separated by the gate electrode. The recess trench is separated from sidewalls of a device isolation region in a first direction and contacts sidewalls of the device isolation region in a second direction. The width of the recess trench of the active region in the second direction may be greater than the width of the source/drain regions in the second direction, and the recessed portion of the gate electrode may have tabs protruding in the first direction at its corners. Therefore, the semiconductor device has excellent junction leakage current and excellent refresh characteristics.

Abstract: A semiconductor device includes a conductive pattern disposed on a substrate, a first interlayer dielectric layer disposed on the substrate and the conductive pattern, a first dummy pattern disposed on the first interlayer dielectric layer and partially overlapping the conductive pattern, a second interlayer dielectric layer disposed on the first interlayer dielectric layer and the first dummy pattern, a second dummy pattern disposed on the second interlayer dielectric layer and partially overlapping the conductive pattern, a third interlayer dielectric layer disposed on the second interlayer dielectric layer and the second dummy pattern, and a contact plug that penetrates the third interlayer dielectric layer, the second interlayer dielectric layer, and the first interlayer dielectric layer to contact the conductive pattern, the contact plug arranged between the first dummy pattern and the second dummy pattern, the contact plug abutting the first dummy pattern and the second dummy pattern.

Abstract: Disclosed herein is a method of forming a reliable high performance capacitor using an isotropic etching process to optimize the surface area of the lower electrodes while preventing an electrical bridge from forming between the lower electrodes. This method includes multiple sacrificial oxide layers that are formed over a substrate, an insulating layer with contact plugs, and an etch stopping layer. The sacrificial oxide layers are patterned and additionally isotropically etched to form an expanded capacitor hole. An exposed portion of the etch stopping layer is then etched to form a final capacitor hole exposing an upper portion of the contact plug and a portion of the insulating layer adjacent thereto. The semiconductor substrate having the final capacitor hole is cleaned to remove a native oxide film on the exposed upper portion of the contact plug.

Abstract: Disclosed herein is a method of forming a reliable high performance capacitor using an isotropic etching process to optimize the surface area of the lower electrodes while preventing an electrical bridge from forming between the lower electrodes. This method includes multiple sacrificial oxide layers that are formed over a substrate, an insulating layer with contact plugs, and an etch stopping layer. The sacrificial oxide layers are patterned and additionally isotropically etched to form an expanded capacitor hole. An exposed portion of the etch stopping layer is then etched to form a final capacitor hole exposing an upper portion of the contact plug and a portion of the insulating layer adjacent thereto. The semiconductor substrate having the final capacitor hole is cleaned to remove a native oxide film on the exposed upper portion of the contact plug.

Abstract: In a semiconductor device having a capacitor and a method of fabricating the same, the semiconductor device comprises a semiconductor substrate and an insulating layer on the semiconductor substrate, a contact plug electrically connected to the semiconductor substrate and formed in the contact hole, a buffer conductive layer pattern electrically connected to the contact plug and formed on the insulating layer and the contact plug, an etching stopping layer formed on the buffer conductive layer pattern, a gap between the buffer conductive layer pattern and the etching stopping layer, a capacitor lower electrode electrically connected to the buffer conductive layer pattern and formed on the buffer conductive layer pattern. The gap is filled by a portion of the capacitor lower electrode.

Abstract: A recess gate-type semiconductor device includes a gate electrode having a recessed portion at least partially covering a recess trench in an active region, and source/drain regions disposed in the active region that are separated by the gate electrode. The recess trench is separated from sidewalls of a device isolation region in a first direction and contacts sidewalls of the device isolation region in a second direction. The width of the recess trench of the active region in the second direction may be greater than the width of the source/drain regions in the second direction, and the recessed portion of the gate electrode may have tabs protruding in the first direction at its corners. Therefore, the semiconductor device has excellent junction leakage current and excellent refresh characteristics.

Abstract: Disclosed herein is a method of forming a reliable high performance capacitor using an isotropic etching process to optimize the surface area of the lower electrodes while preventing an electrical bridge from forming between the lower electrodes. This method includes multiple sacrificial oxide layers that are formed over a substrate, an insulating layer with contact plugs, and an etch stopping layer. The sacrificial oxide layers are patterned and additionally isotropically etched to form an expanded capacitor hole. An exposed portion of the etch stopping layer is then etched to form a final capacitor hole exposing an upper portion of the contact plug and a portion of the insulating layer adjacent thereto. The semiconductor substrate having the final capacitor hole is cleaned to remove a native oxide film on the exposed upper portion of the contact plug.