Advanced Column Lens Development Using Tungstan Deposition Open PDF Document Details Document Type Technical Report Publication Date Apr 14, 1990 Accession Number ADA221235 Entities People Diane K. Stewart Tags Communities of Interest Advanced Electronics DTIC Thesaurus Topics Barometric Pressure Chemistry Developmental Tests Distortion Engineering Fast Fourier Transforms Ion Beams Ion Sources Ions Magnetic Fields Spectrum Analyzers Surface Chemistry Test Stands Thermal Properties Thermal Stability Tungsten X Rays