Liu Peng,Li Huichao,Zhang Hongjun,et al.Optimization of electroless nickel plating process for alumina ceramic package[J].Plating & Finishing,2023,(8):98-103.[doi:10.3969/j.issn.1001-3849.2023.08.016]
氧化铝陶瓷封装外壳化学镀镍工艺优化
- Title:
- Optimization of electroless nickel plating process for alumina ceramic package
- Keywords:
- alumina ; electroless nickel plating ; leakage plating ; annealing
- 分类号:
- TQ153.1
- 文献标志码:
- A
- 摘要:
- 针对氧化铝陶瓷封装外壳在化学镀镍过程中出现的漏镀、镍点以及异色的问题,采用控制变量法研究了除油液、滚筒转速、退火温度对镀层外观的影响,采用体视显微镜、扫描电镜、能谱仪等观察了镀层的宏观形貌和微观结构。结果表明:采用 80 g/L NaOH 溶液作为除油液,在 60 ℃ 下超声清洗 10 min ,自来水冲洗 3 遍,去离子水超声清洗 5 min 的条件下,可改善漏镀现象。通过对来件进行筛选和固定滚筒转速为 5 r/min ,可以减少镍点现象的产生。当退火温度为 800 ℃ 时,异色现象可得到有效解决。
- Abstract:
- : In order to solve the problems of nickel leakage , nickel spot and heterocolor in electroless nickel plating of alumina ceramic package , the influences of degreasing solution , roller speed and annealing temperature on the appearance of the coating were studied by the control variable method. The macroscopic morphology and microstructure of the coating were observed by stereomicroscope , scanning electron microscope and energy dispersive spectrometer. The results show that the phenomenon of plating leakage can be improved by using 80 g/L NaOH solution as the degreasing solution , ultrasonic cleaning at 60 ℃ for 10 min , washing with tap water for 3 times , and ultrasonic cleaning with deionized water for 5 min. By screening the incoming parts and fixing the rotating speed of the drum to 5 r/min , the nickel spot phenomenon can be reduced. When the annealing temperature is 800 ℃ , the discoloration phenomenon can be effectively solved.
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备注/Memo
收稿日期: 2022-11-15 修回日期: 2022-12-02 作者简介: 刘朋( 1995 ―),男,硕士研究生, email : 1403799447@qq.com * 通信作者: 康建宏, email : kangjianhong@chinahongke.com ;杜支波, email : duzhibo@chinahongke.com?/html>