Criterio
de Imperfecciones de los Substratos Cerámicos 96% Al2O3 |
Item
|
Pattern |
Acceptance
criteria |
Burrs
Fragment of excess material or foreign particle adhering
to the surface |
|
None>0.5mm
Diameter
None>0.025mm High |
|
Holes,
Pits, and Pocks
Detectable trace or void |
Holes |
None>0.25mm
Diameter; None>0.18mm Depth |
Pits |
None>0None>0.2mm
Diameter.2mm Diameter |
Pocks |
None>0.3mm
Diameter |
Blisters
Bubble or pore inclusion at the surface which if broken could
form a pit, pock or hole |
None>0.025mm |
Scratches
and Score Marks
Relatively long, narrows, shallow groove or cut on the surface |
None>0.018mm
Depth
None>0.18mm Width |
Fins
and Ridges
Long, narrow protrusion on the surface |
None>0.025mm
High |
Chips
Material broken off along an edge or corner |
None>0.76mm
(locate along edges, and not affect orientation) None>0.50mm
(other situation) |
Cracks
Line of fracture without compiete separation |
None |