Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2008-05-21
2010-06-29
Austin, Aaron (Department: 1794)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S681000, C428S596000, C428S604000, C428S613000, C428S131000, C096S004000, C096S011000
Reexamination Certificate
active
07744990
ABSTRACT:
In a through hole closing process, a metal plate is attached to one surface of a conductive base member having a plurality of through holes by the use of a magnet, in a copper plating process, a copper plating layer is formed on the conductive base member and the metal plate exposed within the through holes, from the side of the conductive base member where the metal plate is not attached, thereby to fill up the through holes, in a film forming process, a Pd alloy film is formed by plating on the surface of the conductive base member after removal of the metal plate, and in a removal process, the copper plating layer is removed by selective etching, thereby to produce a hydrogen production filter that is used in a reformer of a fuel cell so as to be capable of stably producing high purity hydrogen gas.
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Maeda Takanori
Oota Yoshinori
Uchida Yasuhiro
Yagi Hiroshi
Austin Aaron
Dai Nippon Insatsu Kabushiki Kaisha
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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