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자기변형잉크젯헤드에서 토출된 액적의 정적 착지정확도 모델링 및 실험적 검증
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  • 자기변형잉크젯헤드에서 토출된 액적의 정적 착지정확도 모델링 및 실험적 검증
저자명
유은주,박영우,Yoo. Eun Ju,Park. Young Woo
간행물명
한국정밀공학회지
권/호정보
2013년|30권 1호|pp.77-84 (8 pages)
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한국정밀공학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Most research on the inkjet printing technology has focused on the development of inkjet head itself, and of process, not on the landing accuracy of the droplets to a target. Thus, this paper presents the modeling and experimental verification on the static landing accuracy and precision of the droplets from the magnetostrictive inkjet head. A simple model based on the angle deviation of a nozzle tip and on a distance to a substrate is considered, assuming that there is no ambient effect. The angle deviation of the nozzle tip is determined by using its digital image with the aid of a pixel calculation program, and the distance to the substrate is set to 1 mm. Three experiments have planned and preformed. The first experiment is to collect the initial data for the landing distribution of the droplets. The second experiment is to collect the repeatability data of the stage used. Then, these data are used to rederive the equation for the final landing position of the droplet. The final experiment is to verify the equation and to show the calibration results. The respective landing accuracy of the droplet after calibration on the x-axis and on y axis has improved from $338.51{mu}m$ and $-133.63{mu}m$ to $7.06{mu}m$ and $13.11{mu}m$. The respective percent improvement on the x-axis and on y axis reaches about 98 and about 90. The respective landing precision of the droplet after calibration on the x-axis and on y axis has improved from ${pm}182.6{mu}m$ and ${pm}182.88{mu}m$ to ${pm}24.64{mu}m$ and ${pm}42.76{mu}m$. The respective percent improvement on the x-axis and on y axis reaches about 87 and about 77.