摘要:
A method for fabricating a capacitor includes: forming a first silicon layer over a semiconductor substrate, where the first silicon layer is doped with a dopant; forming an undoped second silicon layer over the first silicon layer; forming an opening by etching the second silicon layer and the first silicon layer; forming a storage node in the opening; and removing the first silicon layer and the second silicon layer.
摘要:
A method for fabricating a semiconductor device includes ion-implanting germanium into a monocrystalline silicon-containing substrate; forming a gate oxide layer over a surface of the monocrystalline silicon-containing substrate and forming, under the gate oxide layer, a germanium-rich region in which the germanium is concentrated, by performing a plasma oxidation process; and crystallizing the germanium-rich region by performing an annealing process.
摘要:
A method for fabricating a semiconductor device includes forming a metal layer over a substrate, forming a capping layer over the metal layer, and densifying the metal layer through a heat treatment.
摘要:
A method for fabricating a semiconductor device, including etching a substrate to form a trench, forming a junction region in the substrate under the trench, etching the bottom of the trench to a certain depth to form a side junction, and forming a bit line coupled to the side junction.
摘要:
Disclosed is a method for forming an isolation layer of a semiconductor device. The method includes the steps of providing a semiconductor substrate having a predetermined isolation region, sequentially forming a pad oxide layer and a pad nitride layer exposing the predetermined isolation region on the semiconductor substrate, forming a trench through etching the semiconductor substrate by a predetermined thickness using the pad nitride layer as a mask, forming a wall oxide layer at a side wall of the trench, sequentially forming a nitride layer and an oxide layer on a trench structure including the wall oxide layer, forming an Al2O3 layer on an entire surface of a resultant structure, planarizing the Al2O3 layer through polishing the Al2O3 layer, and forming the isolation layer by removing the pad nitride layer.
摘要翻译:公开了一种形成半导体器件隔离层的方法。 该方法包括以下步骤:提供具有预定隔离区域的半导体衬底,顺序地形成衬垫氧化物层和暴露半导体衬底上的预定隔离区域的衬垫氮化物层,通过使用 衬垫氮化物层作为掩模,在沟槽的侧壁处形成壁氧化物层,在包括壁氧化物层的沟槽结构上依次形成氮化物层和氧化物层,形成Al 2 在所得结构的整个表面上形成O 3层,通过抛光Al 2 O 3层平坦化Al 2 O 3层,以及通过去除衬垫氮化物层形成隔离层。
摘要:
A method for fabricating a semiconductor device includes forming a metal layer over a substrate, forming a capping layer over the metal layer, and densifying the metal layer through a heat treatment.
摘要:
A semiconductor device includes a substrate including a first region and a second region, a gate dielectric layer formed on the substrate, and a metal electrode layer formed on the gate dielectric layer and including a compound of carbon and nitrogen, wherein a metal electrode formed from the metal electrode layer in the first region has a work function lower than a work function of a metal electrode formed from the metal electrode layer in the second region and a nitrogen concentration of the metal electrode of the first region is smaller than a nitrogen concentration of the metal electrode of the second region.
摘要:
A semiconductor device includes a gate insulation layer formed over a substrate and having a high dielectric constant, a gate electrode formed over the gate insulation layer and a work function control layer formed between the substrate and the gate insulation layer and inducing a work function shift of the gate electrode.
摘要:
A semiconductor device includes a substrate with a recess pattern, a gate electrode filling the recess pattern, a threshold voltage adjusting layer formed in the substrate under the recess pattern, a source/drain region formed in the substrate on both sides of the gate electrode and a gate insulation layer, with the recess pattern being disposed between the gate electrode and the substrate, wherein the thickness of the gate insulation layer formed in a region adjacent to the source/drain region is greater than the thickness of the gate insulation layer formed in a region adjacent to the threshold voltage adjusting layer.
摘要:
A method for fabricating a semiconductor device, including etching a substrate to form a trench, forming a junction region in the substrate under the trench, etching the bottom of the trench to a certain depth to form a side junction, and forming a bit line coupled to the side junction.