Patent ID: 6378386
Filing Date: 2002-04-30
Classification: B08B,G01N

Abstract:
A method of measuring surface cleanliness comprising:providing a sampling device comprising: a main body portion; a hand grip portion fixedly disposed with respect to said main body portion so that motion of said hand grip portion effects motion of said main body portion; a debris collecting component detachedly coupled to an operative surface of said main body portion, whereby said debris collecting component can be disposed in contact with and moved relative to a target surface, and thereafter detached from said main body portion for at least one of storage and evaluation, wherein said operative surface is convexly curved and wherein said debris collecting component is detachably secured to said operative surface with a reusable adhesive layer; wiping a prescribed area of a target surface with said sampling device; measuring a reflectivity of a surface of said sampling device to determine a cleanliness of the target surface.