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The Development of a Static Electricity Actuated Inkjet Head for POS Printers

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A static electricity-actuated inkjet head, SEA inkjet head, has been developed for inkjet point-of-sale, or ‘POS,’ printers. This type of inkjet technology is different from the piezoelectric type. SEA inkjet technology makes possible smaller sized inkjet POS printers with faster print speeds, higher resolution graphics, more precise barcode, 2-color printing, and higher reliability than heretofore.

The SEA inkjet head is fabricated entirely by Micro-Electro-Mechanical Systems (MEMS) processes and its driving voltage is typically 26.5V. The electrostatic actuator comprises a silicon pressure plate and a corresponding transparent electrode parallel to the pressure plate. They are assembled precisely to keep the gap there between to be 180 nm. The ink firing of the SEA inkjet head is responsive to at least to 16 kHz. The durability of the actuator has been confirmed to be more than 10 billion actuations.

In this paper SEA inkjet technology is introduced. And its structure, ink ejection mechanism, fabrication process, driving method and characterizations are demonstrated.
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Document Type: Research Article

Publication date: 01 January 2002

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  • For more than 30 years, IS&T's series of digital printing conferences have been the leading forum for discussion of advances and new directions in 2D and 3D printing technologies. A comprehensive, industry-wide conference that brings together industry and academia, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems?particularly those involved with additive manufacturing and fabrication?including bio-printing, printed electronics, page-wide, drop-on-demand, desktop and continuous ink jet, toner-based systems, and production digital printing, as well as the engineering capability, optimization, and science involved in these fields. In 2016, the conference changed its name formally to Printing for Fabrication to better reflect the content of the meeting and the evolving technology of printing.

    Please note: For purposes of its Digital Library content, IS&T defines Open Access as papers that will be downloadable in their entirety for free in perpetuity. Copyright restrictions on papers vary; see individual paper for details.

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