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等離子清洗機效果如何評估   How to evalsuate the effect of plasma cleaning machine?

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等離子清洗機效果如何評估   How to evalsuate the effect of plasma cleaning machine?

發布日期:2020-04-01 作者: 點擊:

等離子清洗機效果如何評估

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    等離子清洗機是利用等離子體來達到常規清洗方法無法達到的效果。等離子體是物質的一種狀態,也叫做物質的第四態,並不屬於常見的固液氣三態。對氣體施加足夠的能量使之離化便成為等離子狀態。等離子體的“活性”組分包括:離子、電子、原子、活性基團、激發態的核素(亞穩態)、光子等。等離子清潔機就是通過利用這些活性組分的性質來處理樣品表麵,從而實現清潔、塗覆等目的。


    那麽等離子清洗機效果如何評估呢?常見的等離子清洗效果,采用接觸角測量儀、達因筆、表麵能測試墨水居多。


    接觸角測量儀是目前等離子清洗機效果評估Z為常見、業界Z為認可的檢測方法。測試數據準確、操作簡捷、重複性和穩定性高。其原理就是通過光學外觀輪廓的方法,在固體樣品表麵進行滴定一定量的液滴,量化檢測液滴在固體表麵的接觸角大小,接觸角小,說明清洗效果越好。早期時,很多實際評估等離子清洗時,會采用簡易注射器滴水簡單評估的辦法,但是該方法隻有在效果明顯時才能觀察到。


    達因筆是企業采用較多的,操作非常簡便的檢測方法。其原理是通過不同數值的達因筆,就是不同表麵張力的液體,不同表麵張力的液體在不同表麵自由能的潤濕和收縮來判斷固體樣品表麵的表麵自由能高低。但是該方法受不同廠家製作的達因筆、人為操作這些影響,重複性和穩定性較差。

                                                          How to evalsuate the effect of plasma cleaning machine?

      Plasma cleaning machine uses plasma to achieve the effect that conventional cleaning methods cannot achieve. Plasma is a state of matter, also known as the fourth state of matter, which does not belong to the common three state of solid-liquid gas. Applying enough energy to the gas to dissociate it becomes a plasma state. The "active" components of plasma include: ions, electrons, atoms, active groups, excited Nuclides (metastable), photons, etc. Plasma cleaning machine is to use the properties of these active components to treat the sample surface, so as to achieve the purpose of cleaning, coating and so on. 

      So how to evalsuate the effect of plasma cleaning machine? Most of the common plasma cleaning effects are using contact angle measuring instrument, dyne pen and surface energy testing ink. 

       At present, the contact angle measuring instrument is the most common test method for the effect evalsuation of plasma cleaning machine and the most recognized test method in the industry. The test data is accurate, the operation is simple, the repeatability and the stability are high. The principle is to titrate a certain amount of droplets on the surface of the solid sample by the method of optical appearance contour, and quantify the contact angle of the droplets on the solid surface, which means that the cleaning effect is better. In the early stage, a lot of practical evalsuation of plasma cleaning will use the method of simple evalsuation of syringe dripping, but this method can only be observed when the effect is obvious. 

      Dyne pen is a kind of testing method which is widely used and easy to operate. The principle is to judge the surface free energy of solid samples by the wetting and contraction of different surface free energy of different surface tension liquids. However, this method is affected by the dyne pen made by different manufacturers and human operation, so its repeatability and stability are poor.

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相關標簽:等離子刻蝕機

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