三级c欧美做人爱视频-三级爱爱-三级爱爱视频-三级不卡视频-国产成人 免费观看-国产成人+综合亚洲+天堂

TEL:

18816588806

NEWS

Follow VLT to understand the information

How to solve the film drop of vacuum coating

Empty coating will encounter film drop. What is the reason for this situation and how to solve these problems?
1. Surface cleanliness
The surface cleanliness of the product is not enough, you can consider argon amplification and longer time when cleaning the ion source.
2. Problems in the cleaning process
The cleaning was not in place before plating, or the cleaning solution was replaced.
3. The problem of craftsmanship
Whether the process parameters have changed, make appropriate adjustments in the coating time and current.
4. The problem with the target material
Whether the titanium target is poisoned, check and replace it.
5. Whether the vacuum chamber is leaking
Perform a leak detection.
6. Product surface oxidation
There are many reasons for oxidation, so you can judge and deal with it yourself.
2021/08/19 16:19:01 3163 次

主站蜘蛛池模板: 永久免费看www色视频 | 最新日韩中文字幕 | 亚洲欧洲一区二区三区在线观看 | 色天使色婷婷在线影院亚洲 | 亚洲人成网i8禁止 | aaa特级毛片 | 男人j进入女人j视频大全 | 国产精品yy9299在线观看 | 四虎在线永久免费视频网站 | 天天舔天天射天天干 | 中国农村一级片 | 日韩精品卡4卡5卡6卡7卡 | 射久久| 免费污视频在线 | 天天干天天综合 | 天天摸天天看 | 欧美特黄一免在线观看 | 久久久国产乱子伦精品 | 成人午夜在线观看国产 | 韩国一级网站 | 欧美一卡2卡三卡四卡五卡 欧美一卡二卡3卡4卡无卡六卡七卡科普 | 69pao强力打造免费高速 | 国模吧在线视频 | 性夜影院午夜看片 | 日本色图在线 | 久久精品国产免费高清 | 国产色视频网站 | 天天爱综合 | 欧美日韩国产成人精品 | 久久久久国产精品 | 亚洲精品欧洲久久婷婷99 | 在线观看视频一区二区 | 毛片网在线 | 浓厚な接吻と肉体の交在线观看 | 国产超爽人人爽人人做 | 男女一级特黄a大片 | 种子在线搜索bt | 七月婷婷精品视频在线观看 | 欧美一区二区精品 | 韩国十八禁毛片无遮挡 | 美女黄视频免费 |