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Integrated driving and control structure for array printing nozzle

A printing nozzle and control structure technology, applied in 3D object support structure, additive manufacturing, manufacturing tools, etc., can solve the problems of reducing system reliability and affecting system performance, so as to improve printing performance, reduce connection length, reduce The effect of load parasitics

Inactive Publication Date: 2021-01-26
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For wide-format array print heads, the traditional solution will generate a large number of connecting lines, which will affect the performance of the entire system and reduce system reliability

Method used

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  • Integrated driving and control structure for array printing nozzle
  • Integrated driving and control structure for array printing nozzle
  • Integrated driving and control structure for array printing nozzle

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Embodiment Construction

[0029] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", "end", "side" etc. is based on the Orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0030] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connecti...

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PUM

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Abstract

The invention discloses an integrated driving and control structure for an array printing nozzle. A silicon through hole is formed in a silicon switching substrate; a high-voltage driving chip is arranged on one side of the silicon switching substrate; an MEMS printing nozzle array is arranged on the other side of the silicon switching substrate; a piezoelectric thin-film device is correspondinglyarranged between the MEMS printing nozzle array and the silicon switching substrate; a high-voltage operational amplifier driving module is integrated inside the high-voltage driving chip; and the high-voltage operational amplifier driving module drives a multi-channel multi-way MEMS printing nozzle array by an array switch circuit and the silicon switching substrate. According to the integrateddriving and control structure, the length of a connecting wire from the driving chip to the printing nozzle is shortened; the parasitic resistance and the parasitic capacitance from a driving signal source to a piezoelectric printing nozzle are reduced; the spraying effect of the printing nozzle is improved; the overall size and the cost of a system are reduced and saved; and the printing performance of the whole system is improved.

Description

technical field [0001] The invention belongs to the technical field of design of semiconductor integrated circuits and low-power integrated circuits, and in particular relates to an integrated drive and control structure for array print nozzles. Background technique [0002] Piezoelectric inkjet printing technology places many tiny piezoelectric ceramics near the nozzle of the print head. Due to the inverse piezoelectric effect, when a specific driving voltage waveform is applied to the piezoelectric ceramics, the stretching vibration deformation of the piezoelectric ceramics will follow The change of the driving voltage waveform changes, and the ink in the nozzle can be ejected evenly and accurately. Piezoelectric inkjet printing technology has a strong ability to control ink droplets, high printing resolution, and can print almost any kind of ink, so it can print higher viscosity ink to realize 3D printing. [0003] In recent years, MEMS manufacturing technology has been ...

Claims

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Application Information

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IPC IPC(8): B29C64/112B29C64/393B33Y50/02
CPCB33Y50/02B29C64/112B29C64/393
Inventor 耿莉徐瑞郭卓奇
Owner XI AN JIAOTONG UNIV
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