Patent ID: 11940394
Assignee: CANON ANELVA CORPORATION
Field: nan (nan)
Classification: CPC nan | IPC G  H

Claim 0:
1. An inspection apparatus for inspecting an inspection target object, comprising:
an X-ray generation tube having a target including an X-ray generation portion that generates X-rays by irradiation with an electron beam, and configured to emit X-rays to the inspection target object; and
a plurality of X-ray detectors,
wherein each of the plurality of X-ray detectors detects X-rays emitted from a foreign substance existing on an inspection target surface of the inspection target object irradiated with the X-rays from the X-ray generation portion and totally reflected by the inspection target surface,
wherein a distance between an inspection plane of the inspection target object and the X-ray generation portion is not larger than 5 mm.