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Development of High Efficiency Thermal Printhead

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Recently, a large portion of product development is focused on environment protection. Especially, the reduction of carbon dioxide is targeted to prevent global warming. For the thermal printhead, the way to address this is to improve the heat efficiency in order to realize reduced energy consumption. Our newly developed printhead achieves significant improvement in heat efficiency. Two approaches are taken during this development; (1) control the heat flow in the heater, so that heat can be concentrated at the heater and (2) increasing glaze thickness in order to utilize heat accumulation more efficiently. Previously, to make better heat response with high speed printing, utilization of thinner glaze was adopted to prevent an “Obiki” phenomenon which is ‘trailing print’ on the media. However, this thinner glaze dissipates the heat quickly and as such can result in lower heat efficiency. This paper will describe how to use the heat accumulation by thicker glaze without significant print quality degradation by Obiki. In this way high heat efficiency is achieved.

Document Type: Research Article

Publication date: January 1, 2010

More about this publication?
  • For more than 25 years, NIP has been the leading forum for discussion of advances and new directions in non-impact and digital printing technologies. A comprehensive, industry-wide conference, this meeting includes all aspects of the hardware, materials, software, images, and applications associated with digital printing systems, including drop-on-demand ink jet, wide format ink jet, desktop and continuous ink jet, toner-based electrophotographic printers, production digital printing systems, and thermal printing systems, as well as the engineering capability, optimization, and science involved in these fields.

    Since 2005, NIP has been held in conjunction with the Digital Fabrication Conference.

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