Patent · US Expired

Apparatus for inspecting the surface of a material

US4764969A · kind A · utility

52Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 27, 1987
Grant dateAug 16, 1988
Priority date
Expiry dateJan 27, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06T2207/30148
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

An apparatus for inspecting the surface of a material having a first inspection section for inspecting the wide surface condition of a material with an analysis, a second inspection section for inspecting specific position's conditions of the surface of the material with finer analysis than that of the first inspection section, and a controller for controlling an inspecting position of the second inspection section to inspect an unusual position after the first inspection section finds the unusual position.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.