共 5 条
[1]
Gray F, 1939, BELL SYST TECH J, V18, P1
[2]
LENZ F, 1950, ANN PHYS-BERLIN, V8, P124
[3]
IMAGING PROPERTIES OF A SERIES OF MAGNETIC ELECTRON LENSES
[J].
PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION B,
1951, 64 (383)
:956-971
[4]
THE SYMMETRICAL MAGNETIC ELECTRON MICROSCOPE OBJECTIVE LENS WITH LOWEST SPHERICAL ABERRATION
[J].
PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION B,
1951, 64 (383)
:972-977
[5]
THE FIELD DISTRIBUTION IN ASYMMETRICAL MAGNETIC ELECTRON LENSES
[J].
PROCEEDINGS OF THE PHYSICAL SOCIETY OF LONDON SECTION B,
1955, 68 (09)
:679-681