Patent ID: 7744990
Filing Date: 2010-06-29
Classification: B01D,C01B,C23F,C25D,H01M,Y02E,Y10T

Abstract:
1. A thin film support substrate for use in a hydrogen production filter, comprising a metal substrate, a plurality of columnar convex portions formed on one surface of said metal substrate, and a plurality of through holes formed at a portion where said columnar convex portions are not formed, so as to pierce the metal substrate, wherein an area of the columnar convex portion non-formed portion occupying on the columnar convex portion formed side is within the range of 20 to 90%, and, wherein said columnar convex portions have a diameter within the range of 20 to 500 μm, a formation pitch within the range of 40 to 700 μm, and a height within the range of 10 to 200 μm.