摘要:
An oxidized region is arranged between a substrate of semiconductor material and a nitride liner, which covers wordline stacks of a memory cell array and intermediate areas of the substrate, and is provided to separate the nitride liner both from the substrate and from a memory layer sequence of dielectric materials that is provided for charge-trapping. The nitride liner is used as an etching stop layer in the formation of sidewall spacers used in a peripheral area to produce source/drain junctions of transistors of the addressing circuitry.
摘要:
Isolation trench arrangement, which isolates adjacent semiconductor structures (1), (2), an isolation trench (3) being formed in such a way that it penetrates from a substrate surface into the substrate volume (0) and has at least one insulating substance (20) and at least one conductive substance (21), and the conductive substance (21) is electrically conductively connected to the substrate (0) via an electrically conductive connection (22).
摘要:
A method is provided for operating an electrical writable and erasable memory cell, which has a channel region that can be operated in a first and a second direction, wherein information is stored as the difference of an effective parameter.
摘要:
A method is provided for operating an electrical writable and erasable memory cell, which has a channel region that can be operated in a first and a second direction, wherein information is stored as the difference of an effective parameter.
摘要:
A semiconductor device comprises a transistor body of boron doped semiconductor substrate and a conterminous isolating area formed of insulating material, wherein an oxy-nitride layer is between the transistor body and the isolating area. This invention can be used in a transistor body for example in an NROM cell.
摘要:
During a selective oxidation of gate structures that includes a polycrystalline silicon layer and a tungsten layer, which is known per se, a vapor deposition of tungsten oxide is prevented or at least greatly reduced by a special process. The gate structure is acted on by a hydrogen-containing, nonaqueous inert gas before and, if appropriate, after a treatment step with a hydrogen/water mixture.
摘要:
A device for thermally treating semiconductor wafers having at least one silicon layer to be oxidized and a metal layer, preferably a tungsten layer, which is not to be oxidized. The inventive device comprises the following: at least one radiation source; a treatment chamber receiving the substrate, with at least one wall part located adjacent to the radiation sources and which is substantially transparent for the radiation of said radiation source; and at least one cover plate between the substrate and the wall part of the treatment chamber located adjacent to the radiation sources, the dimensions of said cover plate being selected such that it fully covers the transparent wall part of the treatment chamber in relation to the substrate in order to prevent material, comprising a metal, metal oxide or metal hydroxide such as tungsten, tungsten oxide or tungsten hydroxide, from said substrate from becoming deposited on or evaporating onto the transparent wall part of the treatment chamber.
摘要:
A method for manufacturing a trench capacitor uses a low-pressure gas phase doping for forming a buried plate as a capacitor plate. The use of the low-pressure gas phase doping reduces process costs and improves capacitor properties.
摘要:
A method for manufacturing an integrated circuit including at least one storage cell is provided. The method includes providing a substrate having a first and second side, and a plurality of parallel trenches so that a dividing wall is formed between adjacent trenches, filling the trenches with an insulating compound, providing a first insulating layer having a first and second side on the top surface of the dividing wall, wherein the first side is arranged on the substrate's first side, providing a first conductive layer having a first and second side, wherein the first side is arranged on the insulating layer's second side, wherein the conductive layer protrudes from the substrate surface, providing a second conductive layer having a first and second side, wherein the first side is located on the first conductive layer's second side, and removing parts of the second conductive layer by an anisotropic etching means.
摘要:
A method for manufacturing an integrated circuit including at least one storage cell is provided. The method includes providing a substrate having a first and second side, and a plurality of parallel trenches so that a dividing wall is formed between adjacent trenches, filling the trenches with an insulating compound, providing a first insulating layer having a first and second side on the top surface of the dividing wall, wherein the first side is arranged on the substrate's first side, providing a first conductive layer having a first and second side, wherein the first side is arranged on the insulating layer's second side, wherein the conductive layer protrudes from the substrate surface, providing a second conductive layer having a first and second side, wherein the first side is located on the first conductive layer's second side, and removing parts of the second conductive layer by an anisotropic etching means.