发明授权
US4789786A Method of projecting photoelectron image 失效
投影光电子图像的方法

Method of projecting photoelectron image
摘要:
A method for projecting a photelectron image includes providing a mask substrate, and selectively contacting a layer which lowers the work function of the mask substrate thereto. Photoelectrons are emitted from the contacted portion.
公开/授权文献
信息查询
0/0