The volume of ink ejected from an ink jet printing apparatus during one cycle of operation for
printing a dot upon a recording medium is controlled within that cycle of operation by …

Inkjet printing involves the production of small drops of liquid and their deposition in precise
locations on a substrate. Many methods for drop generation have been devised, but …

In general, in one aspect, the invention features a method for driving a droplet ejection
device having an actuator, includ ing applying a multipulse Waveform that includes tWo or …

[57] ABSTRACT An ink jet (10, 200) provides high-resolution gray scale, printing or
switchable resolution printing by providing PZI 'drive waveforms (100, 110, 120, 360, 370) …

An ink jet (10) apparatus and method provides high-reso lution gray scale printing by
providing multiple PZT drive waveforms (100, 110, 120), each having a spectral energy …

4.409, 596 4.480, 259 4,492.968 4,504,845 4,510,503 4.513, 299 4,516,140 4,523,200
4,528,574 4,563,689 4.584, 590 4,620,123 4,627, 138 4,639,735 4,641,153 4,665,409 …

4.513299 A 4f1985 Lee et al. the print head (10) and the locations on the surface (17)
4,580,914 A 4f1986 Rich et al. of the receiver (16) along the path of movement prior …

Appl. No.: 10/329,566 An apparatus and method of operating a liquid drop emitter,(22) Filed:
Dec. 26, 2002 Such as an ink jet device, for emitting liquid drops of (65) Prior Publication …

(57) ABSTRACT A liquid drop emitter, such as an ink jet device, for emitting a series of liquid
drops at high frequency is disclosed. The drop emitter comprises a liquid-? lled chamber …

US7700020B2 - Methods for producing an object through solid freeform fabrication - Google
Patents US7700020B2 - Methods for producing an object through solid freeform fabrication …