Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2007-05-08
2007-05-08
Do, An H. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C347S062000
Reexamination Certificate
active
10911186
ABSTRACT:
A fluid ejecting device and method of forming same are provided. The fluid ejecting device includes a substrate having a first surface and a second surface located opposite the first surface. A nozzle plate is formed over the first surface of the substrate. The nozzle plate has a nozzle through which fluid is ejected. A drop forming mechanism is situated at the periphery of the nozzle. A fluid chamber is in fluid communication with the nozzle and has a first wall and a second wall with the first wall and the second wall being positioned at an angle relative to each other. A fluid delivery channel is formed in the substrate and extends from the second surface of the substrate to the fluid chamber. The fluid delivery channel is in fluid communication with the fluid chamber. A source of fluid impedance includes a physical structure located between the nozzle and the fluid delivery channel.
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S.S. Baek, H.T.Lim, H. Song, Y.S. Kim, K.D.Bae, C.H. Cho, C.S. Lee, J.W. Shin, S.J. Shin, K. Kuk and Y.S. Oh, “T-Jet: A Novel Thermal Inkjet Printhead With Monolithically Fabricated Nozzle Plate on Soi Water”, Jun. 12, 2003, pp. 472-475, XP002356682.
Chwalek James M.
Delametter Christopher N.
Kneezel Gary A.
Lebens John A.
Trauernicht David P.
Eastman Kodak Company
Zimmerli William R.
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