Introducing liquid for ink jet head, ink jet head, and ink...

Details Introducing liquid for ink jet head, ink jet head, and ink... Introducing liquid for ink jet head, ink jet head, and ink...

2011-01-11

2011-01-11

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

C347S084000, C347S098000, C347S100000

Reexamination Certificate

active

07866805

ABSTRACT:
An introducing liquid for an ink jet head in the invention is used to fill the ink jet head before introducing ink into the ink jet head. The introducing liquid has a surface tension satisfying the following equation (1), and a contact angle of not more than 25 degrees with respect to an ink passage member of the ink jet head to be applied. An ink jet head of the invention is to be filled with the introducing liquid.in-line-formulae description="In-line Formulae" end="lead"?6mN/m<(St10−St1000)<16mN/m  (1)in-line-formulae description="In-line Formulae" end="tail"?where St10is a surface tension in a lifetime of 10 msec, and St1000is a surface tension in a lifetime of 1000 msec.

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