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中文摘要：
针对接触式点状胶液分配过程，按照分4个阶段研究胶液转移过程的观点，建立了非牛顿流体肢液从针头挤出、与基板粘附、胶液分离过程的流体动力学模型。研究结果表明：该模型可以用于研究布胶高度、胶液的表面张力与接触角、针头端部结构特征、针头运动特性等重要参数对胶液转移过程和胶滴尺寸与形状的影响，探讨胶液分配高度与挤胶工艺参数之间的匹配规律，分析接触式胶液分配过程点状胶液分离与胶滴形成的动态演变机制。
英文摘要：
Aiming at the process of non-Newtonian fluid transferring from needle exit to me substrate in the process of contact fluid dispensing dots and according to the view of dividing the non- Newtonian fluid transferring process into four different phase, fluid dynamics models for non- Newtonian transferring mechanism study, such as model for fluid extrusion from needle exit, fluid contact with and spread on substrate, and fluid separation into two independent part at the exit of needle tip and on the substrate in contact dispensing dot process were established. These models can be used to study the important influences of some parameters, such as dispensing height, surface tension and contact angle of the dispensing fluid material, needle tip configuration and sizes, and needle movement characteristics on both dot formation and dot size including diameter and height. They can be used to study the dispensing process parameters matching between dispensing height and parameters influencing fluid extrusion. In addition, they can be used to study fluid separation and dot formation process.
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