摘要:
A dry cleaning device, wherein a pad is moved towards a surface of a wafer, cleaning gas is injected into a space formed between the pad and the wafer to generate a high-speed gas flow along the surface of the wafer whereby particles left on the surface of the wafer are removed with the high-speed gas flow. In addition, in order to assist this physical cleaning action, either a chemical or an electrical cleaning method such as a plasma additionally may be used.
摘要:
A method of dry cleaning surfaces of a semiconductor wafer includes the steps of placing a processed wafer in a vacuum environment and positioning a pad near each of a front surface and a back surface of the wafer. Cleaning gas is injected into a small clearance formed between each pad and the front and rear surfaces to generate a high-speed gas flow along the surface of the wafer. Particles left at the surfaces of the processed wafer are physically cleaned and removed with the high-speed gas flow. In order to assist this physical cleaning action, it is also possible to apply either a chemical cleaning method or an electrical cleaning method under application of plasma.
摘要:
An etching method capable of obtaining a fine fabricated shape, particularly, a vertical fabricated shape with less bowing upon fabrication of insulation films in the production of semiconductors, the method comprising controlling the incident amount of O, F or N radicals, gas flow rate or consumption amount of O, F and N on the inner wall surface with etching time to suppress excessive O, F and N which become excessive in the initial stage of etching, the method also including control for the flow rate or the consumption amount based on the result of measurement for plasmas during etching so as to obtain a stable etching shape. Since bowing can be reduced upon fabrication of insulation film hole and insulation film while maintaining the etching rate and the selectivity, finer semiconductor device can be produced easily.
摘要:
The present invention is provided to prevent yield reduction of semiconductor device in dry cleaning of semiconductor device manufacturing process. The electric action and chemical action due to plasma of a first gas generated by means of a plasma generating means and the physical action due to viscous friction force of high speed gas flow generated by means of a planar pad that is brought close to the main surface of a wafer are applied together for cleaning the main surface of the wafer. After cleaning, the wafer is exposed to plasma of a second gas in the same vacuum chamber and then transferred to the atmosphere.
摘要:
A dry etching apparatus and method which can uniformly and stably generate a high-density plasma over a wide range, and can cope with increase of wafer diameter and making the pattern finer in etch processing of the fine pattern of a semiconductor device. The apparatus and method enables a magnitude of a magnetic field to be cyclically modulated when a substrate to be treated is etch processed. The cyclical modulation may be effected by cyclically modulating a coil current flowing to a solenoid coil.
摘要:
A parallel plate ECR plasma processing system is able to extend a plasma density region capable of keeping a continuous, uniform state. In this system, a first magnetic field-forming means formed of a solenoid coil and a second magnetic field-forming means are provided so that a the distribution of a direction of a magnetic line of flux on the surface of a planar plate is controlled by a combined magnetic field from the first and second magnetic field-forming means thereby controlling the distribution in degree of the interactions of the magnetic field and an electromagnetic wave. This control ensures the uniformity of a plasma under high density plasma formation conditions, thus enabling one to form a continuous plasma over a wide range of low to high densities. Thus, there can be realized a plasma processing system that ensures processing under wide plasma conditions including high-speed processing under high density conditions.
摘要:
A semiconductor device manufacturing apparatus includes a process chamber, a conveyance chamber, a conveyance robot, a lock chamber, and a heating unit or temperature adjusting unit for reducing adherence of particles onto a substance to be processed by a thermo-phoretic force. The heating unit enables control of a temperature of the substance to be processed to be higher than a temperature of an inner wall or structural body of the process chamber or the conveyance chamber or the conveyance robot or the lock chamber, in conveying the substance to be processed. The temperature adjusting unit enables adjustment of a temperature of an inner wall or structural body of the process chamber or the conveyance chamber or the lock chamber to be lower than a temperature of the substance to be processed, in conveying the substance to be processed.
摘要:
A vacuum processing apparatus capable of attaining compatibility between the decrease for the number of foreign particles deposited on a sample in a lock chamber and improvement of the throughput, in which an open speed controllable valve is disposed and the depressurization speed can be controlled automatically by a controlling computer.
摘要:
An object of the present invention is to provide a wafer edge cleaner which is capable of removing an undesired material that adheres to an outer periphery of an object to be processed at the low costs and with high throughput. The wafer edge cleaner according to the present invention irradiates a deposited material that has adhered to the rear surface outer periphery of the object to be processed with a laser beam that is at least 30 kW/mm2 in the peak power density.
摘要翻译:本发明的目的是提供一种晶片边缘清洁器,其能够以低成本和高产量去除附着在被处理物体的外周的不需要的材料。 根据本发明的晶片边缘清洁器用在其中的至少30kW / mm 2的激光束照射附着在待处理物体的后表面外周的沉积材料 峰值功率密度。
摘要:
The present invention provides a plasma processing chamber mounted with a function capable of determining the state of a temperature rise in a processing chamber even if a thermometer is not mounted in the processing chamber. In a plasma processing apparatus including: a processing chamber for subjecting a sample to be processed to plasma processing; means for supplying the processing chamber with gas; exhaust means for reducing pressure in the processing chamber; a high-frequency power source for generating plasma; and an electrode on which the sample to be processed is placed, there is provided a plasma emission monitor for determining an end point of temperature raise discharge and means for determining an end point of temperature raise discharge, both of which are used for determining an end point of temperature raise discharge performed before the plasma processing.