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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/2421


    Title: 熱氣泡式噴墨塗佈;Color filter is coated by thermal inkjet
    Authors: 林傑仁;Jie-Ren Lin
    Contributors: 機械工程研究所
    Keywords: 塗佈;彩色濾光片;熱氣泡式噴墨;thermal inkjet;color filter;coat
    Date: 2004-06-25
    Issue Date: 2009-09-21 11:46:25 (UTC+8)
    Publisher: 國立中央大學圖書館
    Abstract: 隨著微小液滴應用日漸繁瑣,液滴噴出之狀態,將逐漸受到重視,在現今彩色濾光片製作上,更扮演著一席重要地位。其中出墨的連續性、穩定性與衛星液滴等現象將是值得研究的課題。本研究針對熱氣泡式噴墨頭之液滴噴出狀態進行觀察,利用不同脈衝寬度、電壓、頻率加以改變,來獲得穩定噴出之操作參數,以利用於噴出塗佈方面。實驗結果顯示,於單一噴頭中,提高頻率有助於克服衛星液滴現象,但於雙噴頭中,由於彼此間相互影響,將造成噴出不穩定狀態。在脈衝寬度對單一噴頭影響中,發現增加脈衝寬度令噴出液徑些微上升,但當增加到接近損壞時,液徑反而會減少。雙噴頭實驗中,脈衝寬度增加,使平均液徑大小和差異值都成一波峰曲線。另外從表面沾濕對噴出之影響中,得到可提高噴出頻率令影響力變小。經由上述結果,已得可穩定噴出之電壓、脈衝寬度、頻率,並得以利用於彩色濾光片之塗佈。 The droplet has been used widely. It state will be more and more important and play a great role in the producing process of color filter. Among that, it is worthy to pay attention to study the formation of satellite droplet. This research is going to find out the circumstance of thermal ink jet. Using some parameter about different pulse time, voltage and frequency obtain the stable range for coating. The results show that the higher frequency was good for overcoming the problem of extra tiny or so-called satellite droplets on single-nozzle. Yet, concerning to selected voltage, the unstable jet happened on double nozzle. From the pulse time relating to the droplet diameter, increasing pulse time will enlarge the droplet diameter slightly up on single-nozzle. As the raising pulse time, the trending damage of single-nozzle will reduce the droplet diameter. On the double-nozzle, we can get that promoting the pulse time makes the droplet's diameter and error variation to be a peak. Besides, the promoting frequency can reduce the soaking surface effect. After all, a stable ejection from different voltage, pulse time and frequency can be used on color filter coating.
    Appears in Collections:[機械工程研究所] 博碩士論文

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