Electron beam pattern writer for x-ray masksR. ViswanathanA.D. Wilsonet al.1989Proceedings of SPIE 1989
Fully scaled 0.5μm MOS circuits by synchrotron radiation X-ray lithography: Mask fabrication and chraterizationR. ViswanathanR.E. Acostaet al.1989Microelectronic Engineering