Investigation of CMOS multiplexer jet matrix addressing and micro-droplets within a printhead chip

Jian Chiun Liou, Cheng Fu Yang

研究成果: 雜誌貢獻文章

摘要

In this study, we demonstrate and investigate a new droplet injection design. We create a thermal inkjet (TIJ) printhead using an application-specific integrated circuit system and bulk micromachining technology (microelectromechanical systems). We design inkjet printhead chips with a new structure and investigate their properties. For the new structure, the integration of complementary metal-oxide-semiconductors (MOSs) and enhancement-mode devices, as well as power switches and a TIJ heater transducer, enables logic functions to be executed on-chip. This capability is used in the proposed design to address individual jets with even fewer input lines than in matrix addressing. A high number of jets (at least 896) can be addressed with only 11 input lines. E1 (Enable 1) and E2 (Enable 2) are set up dependently, and they have the ability to reverse their signals in relation to each other (i.e., if E1 is disabled, E2 is enabled and vice versa). The E1 and E2 signals each service 448 jets. If one of the MOSs is turned on, then it corresponds to a power line with a similar function. If an addressing gate terminal of the other MOS has a discharge action, then we can control a different heater to generate heating bubbles in the jet inks. The operating frequency for addressing these measurements is 18 kHz in normal mode, 26 kHz in draft mode, and 16 kHz in best mode.
原文英語
文章編號346
期刊Micromachines
8
發行號12
DOIs
出版狀態已發佈 - 十一月 29 2017

指紋

Metals
Micromachining
Application specific integrated circuits
Ink
MEMS
Transducers
Switches
Heating
Oxide semiconductors
Hot Temperature

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Mechanical Engineering
  • Electrical and Electronic Engineering

引用此文

Investigation of CMOS multiplexer jet matrix addressing and micro-droplets within a printhead chip. / Liou, Jian Chiun; Yang, Cheng Fu.

於: Micromachines, 卷 8, 編號 12, 346, 29.11.2017.

研究成果: 雜誌貢獻文章

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