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MLCC制作过程中分层开裂原因分析
引用本文:刘新,李筱瑜,陈长云. MLCC制作过程中分层开裂原因分析[J]. 电子工艺技术, 2011, 32(6): 335-337
作者姓名:刘新  李筱瑜  陈长云
作者单位:广东风华高新科技股份有限公司,广东肇庆,526020
基金项目:国家国际科技合作项目(项目编号:2010DFB33920)
摘    要:MLCC是经过多层材料堆叠共烧后制成的,在其制作过程中,产生分层是比较严重的质量缺陷之一,严重影响MLCC在使用过程中的可靠性。对MLCC产生分层的原因进行分析归类,总结出MLCC产生分层的原因为:制作MLCC内浆与瓷粉TMA(热机械分析)曲线匹配性不佳;MLCC在烧结前存在排胶不良;烧结回火温度或氧含量高。

关 键 词:MLCC分层  内浆  瓷粉  TMA  排胶  回火  氧含量

Analysis of Reasons for MLCC Delamination During Manufacturing
LIU Xin,LI Xiao-yu,CHEN Chang-yun. Analysis of Reasons for MLCC Delamination During Manufacturing[J]. Electronics Process Technology, 2011, 32(6): 335-337
Authors:LIU Xin  LI Xiao-yu  CHEN Chang-yun
Affiliation:LIU Xin,LI Xiao-yu,CHEN Chang-yun(Fenghua advanced technology Co.Ltd.,Zhaoqing 526020,China)
Abstract:MLCC consists of multi layers of dielectric and metal electrodes sintering together.delamination is one of the main quality defects during the manufacturing,which has a significant effect on the reliability during the application.Classify the reasons of delamination,and find failure reasons are non-matching between ceramic dielectric and inner electrode paste,not well of binder burn out before sintering;high reoxidation temperature or high oxygen content during the sintering.
Keywords:MLCC  Delamination  Inner electrode paste  Ceramic powder  TMA  Binder burn out  Re-oxidation  Oxygen content  
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