Apparatus and method for measuring a paper surface roughness

Subjective paper characteristics such as visual appearance and print quality are often objectively related to certain scales of surface roughness. Three dimensional topographic surface data is obtained from a paper sample secured by vacuum to a flat, porous plate for translational movement in a grid...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HALLAN, MATTHEW J, ROGOWSKI, DONALD F, SHEPHARD, MICHAEL L, PARADIS, STEPHEN J
Format:	Patent
Sprache:	eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS PHYSICS TESTING
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