Abstract:
PURPOSE: A photo-mask and a method for manufacturing the same are provided to improve the reliability of a semiconductor device manufacturing process by being repeatedly used without the line width change of patterns. CONSTITUTION: A method for manufacturing a photo-mask includes the following: a light shielding pattern(115) and a reflection preventive film pattern(125) are successively stacked on a transparent substrate(100). The light shielding pattern is based on at least one of chrome(Cr), aluminum(Al), rubidium(Ru), tantalum(Ta), tantalum boron oxide(TaBO), and tantalum boron nitride(TaBN). The sidewall of the light shielding pattern is oxidized and nitrided to form a protective film pattern(135) based on plasma treatment. The plasma treatment uses oxygen gas and nitrogen gas as reactive gas. The mixed ratio of the oxygen gas and the nitrogen gas is in a range between 5 and 8. The temperature of a chamber for the plasma treatment is kept in a range between 200 and 400 degrees Celsius.
Abstract:
PURPOSE: A pellicle frame, pellicle, a lithographic apparatus, and a method for manufacturing the pellicle frame are provided to effectively reduce the amount of outgas by implementing a cleaning process with high temperature ultra-pure water. CONSTITUTION: A pellicle frame(19) includes aluminum, an aluminum oxide, and transition metal. The pellicle frame includes a first material layer(11) and a second material layer(12) which is formed on the first material layer. The first material layer includes aluminum. The second material layer includes an aluminum oxide and transition metal. The second material layer is in direct contact with the first material layer. The second material layer is directly exposed around the pellicle frame.
Abstract:
Disclosed is an electrostatic chuck with a temperature sensing unit, exposure equipment having the electrostatic chuck, and a method of detecting temperature on photomask surfaces. The temperature sensing unit and method of detecting temperature may include obtaining reflectance of a photomask using a multi-wavelength interferometer and determining a temperature on the photomask based on the reflectance.
Abstract:
Disclosed is an electrostatic chuck with a temperature sensing unit, exposure equipment having the electrostatic chuck, and a method of detecting temperature on photomask surfaces. The temperature sensing unit and method of detecting temperature may include obtaining reflectance of a photomask using a multi-wavelength interferometer and determining a temperature on the photomask based on the reflectance.
Abstract:
EUVL 교호 위상반전 마스크로부터 유도되는 웨이퍼상의 ΔCD 또는 X-현상을 감소시키기 위하여 비위상반전영역에서 반사층에 물리적 충격을 가하여 저반사도 영역을 형성하는 EUVL 교호 위상반전 마스크의 제조 방법에 관하여 개시한다. 본 발명에 따른 방법에서는 다중층 구조의 반사층을 구비하는 기판을 준비한다. 상기 반사층의 반사 영역을 노출시키도록 상기 반사층의 상면 중 일부를 덮는 차광막 패턴을 상기 반사층 위에 형성한다. 상기 반사층의 반사 영역 중 위상반전 영역을 식각하여 상기 반사층에 트렌치를 형성한다. 상기 반사층의 반사 영역 중 비위상반전 영역에서 EUV 광의 반사도를 낮추도록 상기 반사층의 구조를 물리적으로 변화시킨다. EUVL, 교호 위상반전 마스크, ΔCD, X-현상, 반사광