Creep modeling of precision adhesive joints in opto-electronic devices

光电器件中精密粘合接头的蠕变建模

• 批准号: 463690-2014
• 负责人: Spelt, Jan
• 金额: $ 1.42万
• 依托单位: University of Toronto
• 依托单位国家: 加拿大
• 项目类别: Collaborative Research and Development Grants
• 财政年份: 2014
• 资助国家: 加拿大
• 起止时间: 2014-01-01 至 2015-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=558549
• 关键词: Creep; modeling; precision; adhesive; joints

Opto-electronic devices consist of optical elements attached to a substrate; the most common method of fixing these components to the substrate is by means of adhesives. Adhesives are susceptible to creep and stress relaxation under the influence of internal and external stresses, which may lead to subtle perturbation of the position of optical components, thereby affecting performance over time. Opto-mechanical design needs to account for this end of life (EOL) behavior of precision adhesive bonds. There is a lack of predictive model for designing against these mechanisms, leading to rule-of-thumb design criteria and material selection processes.

光电设备由附着在基板上的光学元素组成；将这些组件固定到底物的最常见方法是通过粘合剂。在内部和外部应力的影响下，粘合剂容易受到蠕变和压力松弛的影响，这可能会导致光学成分位置的微妙扰动，从而影响时间的性能。光学机械设计需要考虑到精确粘合键的生命终结（EOL）行为。缺乏针对这些机制设计的预测模型，从而导致了肢体规则的设计标准和材料选择过程。