摘要
丝线传输的阻力控制和张紧力控制是引线键合机送丝系统的关键技术之一,对键合质量有着重要的影响.为了解决当前全自动引线键合机送丝系统中的传输阻力大、传输张力不稳定等问题,根据引线键合工艺过程和系统的技术要求,设计了由气体导轨和真空张紧装置组成的低摩擦送丝系统,来实现金丝的低阻传输.建立了金线在气体导轨和真空张紧装置内的受力模型,得出了二者的控制参数与金线作用力的关系;分别对金丝在气体导轨和真空张紧装置内的受力模型进行了实验验证,实验结果表明达到了所要求的低摩擦力要求.
Resistance control of wire transmission and force control of tension are the key technologies of the wire feed system and have a critical impact on the bonding quality. To solve the problems of large transmission resistance and unstable transmission tensile force of wire feed system in automatic wire bonder, low-friction wire feed system composed of air guide and vacuum tension device based on the wire bonding process and technological requirements of the system was designed to reduce the resistance of wire transmission. The stress models of gold wire in the air guide and vacuum tension device were established and the relationship between the control parameters and force on the wire of the two parts were found. Experiments were carried out to verify the stress models of gold wire in the air guide and air tensioner, the results of which show that the models meet the low friction requirement.
出处
《纳米技术与精密工程》
EI
CAS
CSCD
2010年第1期31-36,共6页
Nanotechnology and Precision Engineering
基金
国家自然科学基金资助项目(50705027)
国家高技术研究发展计划(863)资助项目(2007AA04Z343)
