1
Charles W Jaeger, Donald R Titterington, Hu P Le, Jeffrey J Sopko: Phase change ink composition and phase change ink produced therefrom. Tektronix, John D Winkelman, Jerome S Marger, December 26, 1989: US04889560 (293 worldwide citation)

A phase change ink carrier composition is combined with a compatible colorant to form a phase change ink composition of this invention. A thin film of substantially uniform thickness of that phase change ink carrier composition, and the ink produced therefrom, has a high degree of lightness and chro ...


2
Charles W Jaeger, Donald R Titterington, Le P Hue: Hydrophobic substrate with coating receptive to inks. Tektronix, John D Winkelman, March 5, 1985: US04503111 (72 worldwide citation)

A recording material, comprising a hydrophobic substrate material with a polymeric coating, has excellent receptivity for inks that do not normally wet hydrophobic substrates. The substrate material is coated with a mixture of polyvinylpyrrolidone and a compatible matrix-forming polymer. The matrix- ...


3
Hue P Le, Charles W Jaeger, James C Oswald: Air assisted ink jet head with projecting internal ink drop-forming orifice outlet. Tektronix, John D Winkelman, David P Petersen, September 23, 1986: US04613875 (37 worldwide citation)

An air assisted drop-on-demand ink jet head 10 has an ink chamber with an ink drop-forming orifice outlet 23 from which ink drops are generated in response to pressure waves caused by a piezoelectric crystal 56. The ink drops are carried by air outwardly through an external orifice 24 and toward pri ...