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Dive into the research topics where William A. Enichen is active.

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Featured researches published by William A. Enichen.


Electron-Beam, X-Ray, EUV, and Ion-Beam Submicrometer Lithographies for Manufacturing V | 1995

Performance of IBM's EL-4 e-beam lithography system

James D. Rockrohr; Rainer Butsch; William A. Enichen; Michael S. Gordon; Timothy R. Groves; John G. Hartley; Hans C. Pfeiffer

IBMs latest electron beam mask maker, EL-4, is online at IBMs Advanced Mask Facility (AMF) in Essex Junction, Vermont. The EL-4 system is a 75KV shaped beam lithography system utilizing a Variable Axis Immersion Lens (VAIL) designed to produce 1X or NX masks for 0.25 micrometers lithography ground rules, extendable to 0.13 micrometers . It is currently producing NIST-style X-ray membrane masks with pattern sizes over 30 X 30 mm2. This paper will give a brief description of the EL-4 tool and its operating features, specific measures used to enhance tool stability and accuracy, and measurement data from masks recently produced on the tool.


Ibm Journal of Research and Development | 2001

PREVAIL: electron projection technology approach for next-generation lithography

Rajinder S. Dhaliwal; William A. Enichen; Steven D. Golladay; Michael S. Gordon; Rodney A. Kendall; Jon Erik Lieberman; Hans C. Pfeiffer; David J. Pinckney; Christopher F. Robinson; James D. Rockrohr; Werner Stickel; Eileen V. Tressler


Archive | 1972

Forming a compact multilevel interconnection metallurgy system for semi-conductor devices

Eugene Edward Cass; William A. Enichen; Janos Havas


Archive | 1993

Registration of patterns formed of multiple fields

Ken T. Chan; Donald Eugene Davis; William A. Enichen; Cecil Tzechor Ho; Edward V. Weber; Guenther O. Langner


Archive | 1995

Pseudo-random registration masks for projection lithography tool

William A. Enichen


Archive | 1996

Electron beam nano-metrology system

Samuel Kay Doran; William A. Enichen; Timothy R. Groves; Rodney A. Kendall; Henri Antoine Khoury; Richard D. Moore; Paul F. Petric; James D. Rockrohr


Archive | 1996

Hardware/software implementation for multipass E-beam mask writing

Eileen Veronica Clarke; William A. Enichen; John G. Hartley


Archive | 1995

Registration and alignment technique for X-ray mask fabrication

Ken Tze-Kin Chan; William A. Enichen; John G. Hartley; Maris A. Sturans


Archive | 1997

Calibration patterns and techniques for charged particle projection lithography systems

William A. Enichen; Christopher F. Robinson


Archive | 2005

Lithography tool image quality evaluating and correcting

William A. Enichen; Christopher F. Robinson

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