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什么原因会导致薄膜电容的薄膜剥离
作者:红宝电容 来源:http://www.jnhongbao.com 日期:2020-09-19 11:10 浏览

  在电子产品的生产过程中,由于电子元件的生产和組裝,由多个阶段构成,因此在此过程中,元件很可能会受到污染顆粒的沾污,导致电子元件出现品质问题,如腐蚀锈蚀、失效、短路等。

  In the production process of electronic products, due to the production and assembly of electronic components, which is composed of multiple stages, the components are likely to be contaminated by contaminated particles, resulting in quality problems of electronic components, such as corrosion, failure, short circuit, etc.

  所以很多生产线会对元件采用清洗的工艺过程。有时,在生产线上的清洗过程之后,我们会发现薄膜电容器的顶层有一些剥落现象。

  Therefore, many production lines will adopt cleaning process for components. Sometimes, after the cleaning process on the production line, we will find some peeling phenomenon on the top layer of the film capacitor.

      当薄膜电容器在上板焊接过程之后进行清洗, 或受到过度的机械应力或冲洗时,就可能会发生这种剥落现象。

  This kind of spalling may occur when the thin film capacitor is cleaned after the welding process of the upper plate, or is subjected to excessive mechanical stress or flushing.

      为了防止这种剥落现象导致元件性能下降,一些供应商在薄膜电容器的顶部和底部都制作了超过50层的保护膜,这样就能避免薄膜电容器不会因这种表面剥落而劣化。即使剥落所有的保护膜,这类薄膜电容器的电气性能和可靠性特性也不会受到影响。

  In order to prevent the performance degradation caused by this spalling phenomenon, some suppliers have made more than 50 layers of protective film on the top and bottom of the thin film capacitor, so as to avoid the deterioration of the film capacitor due to the surface peeling. Even if all the protective film is peeled off, the electrical performance and reliability characteristics of this kind of film capacitor will not be affected.


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