To study the two-mirror reduced projection optics for Extreme Ultraviolet Lithography (EUVL), Schwarzschild design form and flat field design form were investigated.
极紫外投影光刻(EUVL)两镜微缩投影物镜通常采用Schwarzschild结构和平场结构。
Based on étendue, relative illumination of projection lens is analyzed.
基于非成像光学的啨ｔｅｎｄｕｅ量对液晶投影显示照明系统和投影物镜进行匹配 ,对液晶投影物镜的相对照度进行分析 ,根据啨ｔｅｎｄｕｅ量计算照明系统液晶板照明面的发光强度分布 ,与根据朗伯体服从余弦分布的计算相对照度的算法进行比较 ,并对相对照度的Rimmer算法进行修正 ,分析和实验表明 ,修正算法得到的投影物镜相对照度计算更符合实际情况 ,对于投影物镜确定渐晕系数、校正像差有
In order to meet the demand of coma measurement accuracy of lithographic tool projection lens,a novel method for measuring coma based on fine overlay error metrology marks is proposed.
为了满足光刻机投影物镜彗差测量精度的要求,提出一种基于套刻误差测试标记的彗差检测技术,分析了彗差对套刻误差测试标记空间像的影响,详细叙述了该技术的测量原理,并利用PROLITH光刻仿真软件对不同数值孔径与部分相干因子设置下套刻误差相对于彗差的灵敏度系数进行了仿真实验。
In high numerical aperture and low technic factor lithography process,degradation of the image quality because of the coma aberration in the projection lens has become a serious problem.
在高数值孔径、低工艺因子的光刻技术中,投影物镜彗差对光刻质量的影响变得越来越突出,因而需要一种快速、高精度的彗差原位测量技术。
The mirror projection is an expression method of using engineering drawing to present space object , the method on space objection making mirror project in engineering drawing in detell is discussed.
镜像投影是为了补充直接正投影法对某些工程构造表达的不足而引入的。
Design of Wide Angle Projection Lenses for LCOS Rear-Projection TV Sets with a Large Screen and Compact Structure;
LCOS大屏幕薄型背投电视广角投影物镜的设计
The Study of PYOE Optical Technology Development Status and Design of Projection Lens;
平原光电公司光学技术发展现状研究与投影物镜设计
Schlieren projection lens
施利仑投影透镜，纹影摄影投影透镜
An image of the object is projected by the object lens on to the photocathode of an image converting tube.
物象通过物镜投影在变像管的光阴极上。
An image of the object is projected by the objective lens on to the photocathode of an image convert tube.
物象通过物镜投影在变象管的光阴极上。
Designment and testing method of additional lens in multimedia projector
多媒体投影仪中附加物镜的设计和测试
Two-mirror system design study of reduced projection optics for EUV Lithography;
极紫外投影光刻两镜微缩投影系统的光学设计
object lens of large relative aperture
大相对孔径(摄影)物镜
double-optical projection stereoplotter
双镜光学投影立体绘图仪
Adjust the focus ring on the projection lens
调节投影镜头上的聚焦环
If the screen is so far away from the eyepiece that the camera can be placed between.
如果投影屏距目镜很远，照相机可放在两者之间。
Application of TIR lens optimization design in LED micro-projector
TIR透镜优化设计在LED微投影显示系统中的应用
Shape from Shading for Specular Surfaces under Perspective Projection
透视投影下的镜面反射表面形状恢复新算法
The lens or lens system in a microscope or other optical instrument that first receives light rays from the object and forms the image.
物镜首先从物体上接收光线并形成影像的显微镜或其它光学仪器中的透镜或透镜系统
lens system focuses image on a photosensitive mosaic that is scanned by an electron beam.
把影像投到电子束扫描的光敏镶嵌屏幕上的透镜系统。
The scenes range from a big-budget Hollywood war film to hard-core pornography.
播出的镜头包括高投入的好莱坞战争片也有赤裸的色情电影。
Research on Free Three-dimensional Display System Based on DMD Projection Technology and Cylindrical Lens
基于DMD投影技术及柱状透镜的自由立体显示系统的研究
Most macro lenses can produce an image which is half life size on the film.
多数微距镜头可以产生实物一半大小的影像。