Ceramic honeycomb structure and method for producing ceramic...

Details Ceramic honeycomb structure and method for producing ceramic... Ceramic honeycomb structure and method for producing ceramic...

2007-09-27

2010-11-16

Baldwin, Gordon R (Department: 1784)

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

C264S630000

Reexamination Certificate

active

07833606

ABSTRACT:
A ceramic honeycomb structure having porous cell walls defining large numbers of flow paths, the cell walls having porosity of 55-70%, an average pore diameter of 10-40 μm, a concave area ratio CR (projected area ratio of portions lower than an average surface determined from cell wall surface roughness by a least square method) of 0.32-0.6, and an average concave depth Hconcave(average depth of portions lower than the average surface) of 0.02-0.1 mm.

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