摘要:
A system for processing residual gas that includes a chamber having at least one baffle for increasing gas flow path, a residual gas inlet mechanism connected to the chamber for supplying residual gas to the chamber, at least one first gas inlet mechanism connected to the chamber for supplying inert gas to the chamber, at least one second gas inlet mechanism connected to the chamber for supplying a reactive gas to the chamber, and a gas outlet mechanism for connected to the chamber for outputting mixed gases from mixing the residual gas, inert gas and reactive gas and non-reacted residual gas, inert gas and reactive gas.
摘要:
A method of manufacturing a semiconductor device includes providing a wafer substrate having a surface, forming a first nitride layer over the wafer substrate, providing a layer of photoresist over the first nitride layer, patterning and defining the photoresist layer, etching the first nitride layer unmasked by the photoresist to remove at least a portion of the first nitride layer to expose at least a portion of the substrate surface, removing the photoresist layer, and depositing a second nitride layer over the first nitride layer and the exposed substrate surface to form a nitride structure having a first thickness and a second thickness, wherein the first thickness includes a thickness of the first nitride layer.
摘要:
A method for avoiding defects produced in The CMP process has the following steps: sequentially depositing a first dielectric layer and a second dielectric layer on a semiconductor substrate, wherein the wet-etching rate of the first dielectric layer is greater than the wet-etching rate of the second dielectric layer; forming a plurality of first holes on a plurality of the predetermined contact window areas respectively; wet etching the first dielectric layer in each of the first holes to form a plurality of second holes on the plurality of the predetermined contact window areas respectively; forming a conductive layer to fill each of the second holes; and performing the CMP process to level off the conductive layer and the second dielectric layer.
摘要:
The present invention provides a semiconductor device for detecting gate defects and the method of using the same to detect gate defects. The semiconductor device is comprised of a semiconductor substrate having an oxide layer on the top, a gate having spacers, formed on the oxide layer and surrounding the semiconductor substrate, wherein the gate is also patterned to divide the semiconductor substrate into two parts not electrically connected, and a conductive layer formed on the semiconductor outside the gate. In addition, the method for using the semiconductor device of the present invention to detect gate defects is comprised of applying a ground voltage and a set voltage respectively to two parts divided by the gate in the semiconductor device, and measuring current between the two parts.
摘要:
A method for forming a gate structure is provided. The forming method includes steps of providing a semiconductor substrate; forming an insulation layer, a first gate conductor layer, a second gate conductor layer, and a masking layer on the semiconductor substrate; removing portions of the masking layer, the semiconductor substrate, and the first gate conductor layer to define the gate structure by etching; executing a cleaning process to the semiconductor with a specific cleaning agent for etching the second gate conductor layer, thereby removing portions of the second gate conductor layer in the gate structure; and performing a thermal treatment process to the semiconductor substrate and forming an insulation spacer on the side surface of the gate structure.
摘要:
A trench capacitor process for preventing parasitic leakage. The process is capable of blocking leakage current from a parasitic transistor adjacent to the trench, and includes the steps of forming a doping layer and a cap layer covering portions of the sidewall of the trench and performing an annealing process on the doping layer to form a dopant region in the substrate adjacent to each sidewall of the trench and blocks leakage current from a parasitic transistor adjacent to the trench.
摘要:
A method for manufacturing a semiconductor device that includes providing a first layer, cleaning the first layer, growing an oxide layer over the first layer at a reduced pressure from an atmospheric pressure, and depositing a nitride layer over the oxide layer, wherein the growing of the oxide layer and depositing of the nitride layer are performed in the same furnace.
摘要:
A method for manufacturing a semiconductor element is provided. The method includes a first silicon region, a second silicon region, and a metal silicide layer, wherein the metal silicide layer contacts with the first silicon region and the second silicon region separately, the method including steps of performing a first doping process to dope an N-type dopant into the first silicon region and to dope a diffusion barrier impurity into a portion of the metal silicide layer contacting with the first silicon region, and performing a second doping process to dope a P-type dopant into the second silicon region and to dope a diffusion barrier impurity into a portion of the metal silicide layer contacting with the second silicon region.
摘要:
The present invention provides a method of removing residual particles from a polished surface. The method comprises the steps of: providing a substrate, forming a dielectric layer on the substrate, brush-cleaning and etching the dielectric layer on the substrate with a liquid when residual particles are lodged therein, whereby the residual particles are loosened and then relocated to the dielectric layer, and finally cleaning the dielectric layer to remove the relocated residual particles.