Patent ID: 6563115
Filing Date: 2003-05-13
Classification: G01N,H01J

Abstract:
A high-density recording scanning microscope, comprising:an objective lens which focuses charged particles into a spot and projects the spot on a sample; scanning means for scanning a surface of the sample with the charged particle spot focused by said objective lens, at a high density of, at least, 8,000 scannings for printing, and scanning the sample surface in a direction substantially orthogonal to a direction of the first-mentioned scanning, at the high density of, at least, 8,000 scannings, or for scanning said sample surface with the number of scannings at a low density for displaying, said number of scannings being smaller than in the high-density printing, and scanning said sample surface in a direction substantially orthogonal to a direction of the low-density scanning, with said number of scannings being smaller than at the low density; detection means for detecting a signal generated or absorbed when said sample surface is scanned with the charged particles by said scanning means; conversion means for converting the signal at said high density as detected by said detection means, into a digital signal; print means for printing on the basis of the digital signal converted by said conversion means; and display means for displaying on the basis of the signal at said low density as detected by said detection means.