摘要:
Trench capacitors that have insulating layer collars in undercut regions and methods of fabricating such trench capacitors are provided. Some methods of fabricating a trench capacitor include forming a first layer on a substrate. A second layer is formed on the first layer opposite to the substrate. A mask is formed that has an opening on top of the first and second layers. A first trench is formed by removing a portion of the first and second layers through the opening in the mask. A portion of the first layer under the second layer is removed to form an undercut region under the second layer. An insulating layer collar is formed in the undercut region under the second layer. A second trench is formed that extends from the first trench by removing a portion of the substrate through the opening in the mask. A buried plate is formed in the substrate along the second trench. A dielectric layer is formed on an inner wall and bottom of the second trench. A storage electrode is formed in the second trench on the dielectric layer.
摘要:
Trench capacitors that have insulating layer collars in undercut regions and methods of fabricating such trench capacitors are provided. Some methods of fabricating a trench capacitor include forming a first layer on a substrate. A second layer is formed on the first layer opposite to the substrate. A mask is formed that has an opening on top of the first and second layers. A first trench is formed by removing a portion of the first and second layers through the opening in the mask. A portion of the first layer under the second layer is removed to form an undercut region under the second layer. An insulating layer collar is formed in the undercut region under the second layer. A second trench is formed that extends from the first trench by removing a portion of the substrate through the opening in the mask. A buried plate is formed in the substrate along the second trench. A dielectric layer is formed on an inner wall and bottom of the second trench. A storage electrode is formed in the second trench on the dielectric layer.
摘要:
Trench capacitors that have insulating layer collars in undercut regions and methods of fabricating such trench capacitors are provided. Some methods of fabricating a trench capacitor include forming a first layer on a substrate. A second layer is formed on the first layer opposite to the substrate. A mask is formed that has an opening on top of the first and second layers. A first trench is formed by removing a portion of the first and second layers through the opening in the mask. A portion of the first layer under the second layer is removed to form an undercut region under the second layer. An insulating layer collar is formed in the undercut region under the second layer. A second trench is formed that extends from the first trench by removing a portion of the substrate through the opening in the mask. A buried plate is formed in the substrate along the second trench. A dielectric layer is formed on an inner wall and bottom of the second trench. A storage electrode is formed in the second trench on the dielectric layer.
摘要:
Trench capacitors that have insulating layer collars in undercut regions and methods of fabricating such trench capacitors are provided. Some methods of fabricating a trench capacitor include forming a first layer on a substrate. A second layer is formed on the first layer opposite to the substrate. A mask is formed that has an opening on top of the first and second layers. A first trench is formed by removing a portion of the first and second layers through the opening in the mask. A portion of the first layer under the second layer is removed to form an undercut region under the second layer. An insulating layer collar is formed in the undercut region under the second layer. A second trench is formed that extends from the first trench by removing a portion of the substrate through the opening in the mask. A buried plate is formed in the substrate along the second trench. A dielectric layer is formed on an inner wall and bottom of the second trench. A storage electrode is formed in the second trench on the dielectric layer.
摘要:
A nonvolatile memory device having a blocking insulating layer with an excellent data retention property and a method of fabricating the same are provided. The nonvolatile memory device may include a semiconductor substrate having a channel region formed therein; and a gate stack including a tunneling insulating layer, a charge storing layer, a blocking insulating layer and a control gate electrode sequentially stacked on the channel region of the semiconductor substrate. The blocking insulating layer may comprise a lanthanum aluminum oxide having a formula of La2-xAlxOy and the composition parameter x may be 1
摘要翻译:提供了具有优异数据保存性能的阻挡绝缘层的非易失性存储器件及其制造方法。 非易失性存储器件可以包括其中形成有沟道区的半导体衬底; 以及栅极堆叠,其包括顺序堆叠在半导体衬底的沟道区上的隧道绝缘层,电荷存储层,阻挡绝缘层和控制栅电极。 阻挡绝缘层可以包含具有下式的La 2-x Al x O y的氧化镧铝,组成参数x可以是1
摘要:
Provided are an IC sorter, a method for sorting a burn-in IC, an IC sorted using the method. The IC sorter according to one embodiment of the present invention includes a board table onto which a burn-in board is loaded, a tray loader and a tray unloader which are spaced from the board table in a first axis direction and extended parallel to each other in a second axis direction, a DC test buffer and unloading buffer which are spaced from the board table in a second axis direction with a working area of the board table in between, a sorting unit spaced from the board table, having at least one DC failure tray receiving ICs which fail a DC test and at least one sorting tray, a DC failure/loading head movable at least among a working location of the tray loader, the DC test buffer and a DC failure tray of the sorting unit, a unloading head movable at least among a working location of the tray unloader and the unloading buffer, a sorting head movable at least among the unloading buffer and the sorting tray of the sorting unit; and an insertion/removal head movable at least among the DC test buffer, the working area of the board table, and the unloading buffer.
摘要:
Methods of manufacturing a semiconductor device are provided including forming a charge storage layer on a gate insulating layer that is on a semiconductor substrate. A blocking insulating layer is formed on the charge storage layer and an electrode layer is formed on the blocking insulating layer. The blocking insulating layer may be formed by forming a lower metal oxide layer at a first temperature and forming an upper metal oxide layer on the lower metal oxide layer at a second temperature, lower than the first temperature.
摘要:
Methods of manufacturing a semiconductor device are provided including forming a charge storage layer on a gate insulating layer that is on a semiconductor substrate. A blocking insulating layer is formed on the charge storage layer and an electrode layer is formed on the blocking insulating layer. The blocking insulating layer may be formed by forming a lower metal oxide layer at a first temperature and forming an upper metal oxide layer on the lower metal oxide layer at a second temperature, lower than the first temperature.