Electron beam lithography process

Radiant energy – Irradiation of objects or material – Irradiation of semiconductor devices

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219121EM, A61K 2702

Patent

active

040990621

ABSTRACT:
In an electron beam lithography process, shapes are formed which differ from the beam spot size and the grid by employing multiple overlapping exposures having a reduced exposure level.

REFERENCES:
patent: 3644700 (1972-02-01), Kruppa et al.
patent: 3866013 (1975-02-01), Ryan

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