Optical inspection method and apparatus

Details Optical inspection method and apparatus Optical inspection method and apparatus

Category

G - Physics

Subcategory

01

Subsubcategory

N

IPC codes

G01N 1/28 (2006.01) G01N 21/13 (2006.01) G01N 21/47 (2006.01) G01N 3/00 (2006.01)

Type

Patent

Patent number

CA 2071210

Description

2071210 9111699 PCTABS00006 Apparatus for optical inspection of particulate material such as diamond abrasive comprises a body (1), an open sample container (25) which can rise and fall in the body, a reference member (71) above the container, mounted in a removable compaction head (9) of which the height relative to the body is fixed, and an optical inspection head (11) mountable on the body in place of compaction head. The container is raised into contact with the reference member so that the surface of the sample is levelled and placed at a predetermined height. The compaction head is then removed and replaced by the optical inspection head. Consequently, the sample surface is always presented to the optical inspection head in a predetermined relationship and in particular at a predetermined height.

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