Abstract:
Embodiments of field enhanced inductively coupled plasma reactors and methods of use of same are provided herein. In some embodiments, a field enhanced inductively coupled plasma processing system may include a process chamber having a dielectric lid and a plasma source assembly disposed above the dielectric lid. The plasma source assembly includes one or more coils configured to inductively couple RF energy into the process chamber to form and maintain a plasma therein, one or more electrodes configured to capacitively couple RF energy into the process chamber to form the plasma therein, wherein the one or more electrodes are electrically coupled to one of the one or more coils, and an RF generator coupled to the one or more inductive coils and the one or more electrodes. In some embodiments, a heater element may be disposed between the dielectric lid and the plasma source assembly,
Abstract:
본 발명은 플라즈마 소스에 관한 것으로서, 봉 형상의 코아, 상기 코아의 단부로부터 수평의 나선형으로 일정 길이만큼 연장되고 상호 대칭되도록 배치된 m(m은 양의 정수)개의 허브, 상기 각 허브의 단부로부터 연속 연장되어 수평의 나선형으로 a/m회 (a와 m은 양의 정수) 회전하고 일정 길이 수평 연장후 다시 수평의 나선형으로 a/m 회 회전하되, 이후 상기 수평 연장 및 a/m 회 회전 구조가 복수회 반복된 구조를 갖는 메인 코일로 구성되어, 전체적으로 균일한 유도 자장 및 유도 전장을 나타내어 공정의 균일성에 기여할 수 있는 효과가 있다.
Abstract:
An inductively coupled power (ICP) plasma processing chamber for forming semiconductor features is provided. A plasma processing chamber is provided, comprising a vacuum chamber, at least one antenna adjacent to the vacuum chamber for providing inductively coupled power in the vacuum chamber, a substrate support for supporting a silicon substrate within the plasma processing chamber, a pressure regulator, a gas inlet for providing gas into the plasma processing chamber, and a gas outlet for exhausting gas from the plasma processing chamber. A gas distribution system is in fluid connection with the gas inlet for providing a first gas and a second gas, wherein the gas distribution system can substantially replace one of the first gas and the second gas in the plasma zone with the other of the first gas and the second gas within a period of less than 5 seconds.
Abstract:
A shielded lid heater lid heater suitable for use with a plasma processing chamber, a plasma processing chamber having a shielded lid heater and a method for plasma processing are provided. The method and apparatus enhances positional control of plasma location within a plasma processing chamber, and may be utilized in etch, deposition, implant, and thermal processing systems, among other applications where the control of plasma location is desirable. In one embodiment, a shielded lid heater is provided that includes an aluminum base and RF shield sandwiching a heater element.
Abstract:
A method for controlling plasma density distribution in a plasma chamber in order to control a critical dimension (CD) and obtain uniformity of an etching rate. The plasma density distribution control method is used to fabricate a semiconductor device in the plasma chamber and comprises the steps of establishing an intended plasma density distribution in the plasma chamber and controlling a voltage distribution in the plasma chamber with relation to the established plasma density distribution.
Abstract:
A plasma processing apparatus includes a chamber providing an interior space where a process is performed upon a target; and a plasma generating unit generating an electric field in the interior space to generate plasma from a source gas supplied to the interior space. The plasma generating unit includes an upper source disposed substantially parallel to an upper surface of the chamber, an upper generator connected to the upper source to supply a first current to the upper source, a lateral source surrounding a lateral side of the chamber, and a lateral generator connected to the lateral source to supply a second current to the lateral source. The plasma generating unit further includes an upper matcher disposed between the upper generator and the upper source, and a lower matcher disposed between the lateral generator and the lateral source.
Abstract:
A plasma processing apparatus includes a chamber to provide an inner area in which a process is performed upon an object, and a plasma source to generate an electric field in the inner area and thereby to generate plasma from a source gas supplied in the inner area, wherein the plasma source comprises a top source provided in the top of the chamber, and a side source encompassing the side of the chamber and allowing current to flow from the one side of the chamber to the other side thereof.
Abstract:
The present invention generally provides apparatus and methods for processing a semiconductor substrate. Particularly, the present invention provides an inductively coupled plasma reactor having improved process uniformity. One embodiment of the present invention provides an apparatus for processing a substrate comprising a chamber body defining a process volume configured to process the substrate therein, an adjustable coil assembly coupled to the chamber body outside the process volume, a supporting pedestal disposed in the process volume and configured to support the substrate therein, and a gas injection assembly configured to supply a process gas towards a first process zone and a second process zone independently.