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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0691584 (1991-04-24) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 138 인용 특허 : 0 |
The present invention provides an ink-jet ejection device which is capable of ejection or ink (including hot melt ink) jet frequencies greater than 50,000 Hz. A cantilevered beam of selected shape is mounted at its base to a piezoelectric element which oscillates the base. The beam is shaped so that
A device for ejecting fluid droplets comprising: a vibratory surface having a tapered aperture, said aperture having first and second openings wherein said first opening is larger than said second opening, said first opening being in surface tension contact with said fluid; and means for vibrating s
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