共 13 条
[2]
AHMED H, 1972, I PHYS C SER, V14, P10
[3]
OPTIMUM ADJUSTMENT AND CORRECTION OF WIEN FILTER
[J].
BRITISH JOURNAL OF APPLIED PHYSICS,
1967, 18 (11)
:1573-&
[4]
BROERS AN, 1975, 8TH ANN SEM S CHIC, P662
[5]
CATTO CJD, 1976, DEV ELECTRON MICROSC, P71
[6]
FERT C, 1967, FOCUSING CHARGED PAR, V1, P309
[7]
CHARACTERISTICS OF THE HOT CATHODE ELECTRON MICROSCOPE GUN
[J].
BRITISH JOURNAL OF APPLIED PHYSICS,
1952, 3 (FEB)
:40-46
[8]
HANSZEN KJ, 1967, Z NATURFORSCH PT A, VA 22, P238
[9]
HOHN FJ, 1979, 1979 P MICR ENG AACH, P31
[10]
NAKAGAWA S, 1978, JEOL NEWS ELECTRON E, V16, P2