Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 23, 2007
Patent Application Number
10976580
Date Filed
October 29, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method of fabricating a fluid ejection device comprises providing a barrier layer which defines fluidic spaces. The fluidic spaces defined by the barrier layer are filled with filler. A throughway is etched through the substrate. The filler is removed from the fluidic spaces after etching the throughway.
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