Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1993-08-12
1995-01-03
Lusignan, Michael
Coating processes
With post-treatment of coating or coating material
Heating or drying
347 45, 4273855, B05D 302
Patent
active
053785045
ABSTRACT:
A method for modifying a phase change ink jet head by applying a non-wetting material to the discharge surface is provided such that an ink contact angle between about 80.degree. and about 90.degree. is maintained on the discharge surface after continued exposure to molten phase change inks. Furthermore, the method provided ensures that the layer of non-wetting coating material does not chip or wear off during the normal operation of the ink jet printer. In this way, the ink jet printer is capable of accurate placement of phase change ink drops without increased surface wetting and off-axis shooting that traditionally occurs after continued use.
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Bayard Michel L.
Chitwood Donald P.
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