A. Reisman, M. Berkenblit, et al.
JES
Magnetic head requirements for high aspect ratio pole tips were met using single-layer PMMA exposed at 100 kV. Using cooled mixtures of IPA and water and ultrasonic agitation, 14 aspect ratios in resist were demonstrated.
A. Reisman, M. Berkenblit, et al.
JES
K.N. Tu
Materials Science and Engineering: A
Mark W. Dowley
Solid State Communications
Ronald Troutman
Synthetic Metals