全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

聚季铵盐对印制线路板碱性除油的影响

, PP. 406-410

Keywords: 聚季铵盐,碱性除油,PCB,孔金属化

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用背光级数、SEM及能谱分析等方法研究了阳离子表面活性剂聚季铵盐对印制线路板(PCB)碱性除油工艺的影响。结果表明,不加聚季铵盐时,碱性除油后,PCB孔壁镀层裸露出较多的玻璃纤维基材,镀层漏光现象严重,背光级数仅为6级。随聚季铵盐加入量增大,PCB孔壁背光级数及化学镀速均先增大后减小,当浓度为13.5mL/L时,孔壁镀层鲜见玻璃纤维,背光实验几乎不透光,级数高达10级。聚季铵盐主要作用为将PCB基体调整为荷正电,以促进后续胶体钯活性粒子的吸附,同时吸附在油/溶液界面上,降低界面张力,加强碱液对PCB孔壁的润湿性,此外,它还是OH-的主要提供者,实现去除PCB孔壁油污的作用。

References

[1]  Chiang Y Y, Wang Y Y, Wan C C. Research on applying direct plating to additive process for printed circuit board [J]. J. Electron. Mater., 2000, 29(8): 1001
[2]  Gattrell M, MacDougall B, Henuset Y M, et al. An electrochemical approach to total organic carbon control in printed circuit board copper sulfate plating baths [J]. J. Appl. Electrochem., 2002, 32(12): 1303
[3]  Leung E S W, Yung W K C, Lee W B. A study of microvias produced by laser-assisted seeding mechanism in blind via hole plating of printed circuit board [J]. Int. J. Adv. Manuf. Technol., 2004, 24(7-8): 474
[4]  Shacham D Y, Osaka T, Datta M, et al. Advanced Nanoscale ULSI Interconnects: Fundamentals and Applications [M]. New York, USA: Springer-Verlag New York Inc, 2009
[5]  王鸿显, 赵红坤. 甘油铜络合物溶液化学镀铜的研究 [J]. 腐蚀科学与防护技术, 2007, 19(3): 178
[6]  金鸿, 陈森. 印制电路技术 [M]. 北京: 化学工业出版社, 2003
[7]  Huttunen E, Tiainen T. Optimization of the preplating processes in the fabrication of electrolessly tin-coated copper tube [J]. J. Mater. Eng. Perform., 2001, 10(2): 157
[8]  Xiao F X, Shen X N, Niu F. A high speed electroless copper plating process of printed circuit board from EDTA-2Na-Containing solution [A]. TMS 2010-139th Annual Meeting and Exhibition-Supplemental Proceedings [C]. Seattle, WA, USA, 2010: 671
[9]  申晓妮, 赵冬梅, 任凤章等. 添加剂对四羟丙基乙二胺(THPED)化学镀厚铜的影响 [J]. 中国腐蚀与防护学报, 2011, 31(5): 362
[10]  Zheng Y J, Xiao F X, Yi D Q, et al. Preparation of salt-based colloid palladium of high concentration [J]. Trans. Nonferrous Met. Soc. China, 2005, 15(1): 190
[11]  肖发新. 新型盐基胶体钯制备及应用 [D]. 长沙: 中南大学, 2005

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133