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Combined Nozzle and Filter Assembly and Its Fabrication Disclosure Number: IPCOM000054321D
Original Publication Date: 1980-Jan-01
Included in the Prior Art Database: 2005-Feb-13

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Kendall, AH Rohr, RL [+details]


In the field of ink jet print head technology, it has been recognized that there is a need to place a filter close to the nozzle entrance to break up agglomerates which accumulate during shut-down periods. This reduces misdirection during the start-up time. By means of filtration, agglomerates are broken up. In addition, this effect will be accelerated if only a small volume of ink is present beyond or ahead of the last filter.