热应力下柔性光电线路板机械性能的测试方法

[中文适用范围]： 本国际标准定义了用于评估柔性光电电路板可靠性的热耐久性测试方法。本文档的目的是满足柔性光电电路在高温环境（如汽车）中所需的统一热特性。特别是，本文档规定了一种测试方法，用于检查柔性光电电路板在热应力下颜色变化、变形和分层的发生情况。 [外文原描述]： IEC 63251:2023 defines the thermal endurance test methods for reliability assessment of flexible opto-electric circuit boards. The purpose of this document is to accommodate the uniform thermal characteristics required by the flexible opto-electric circuit in high temperature environments such as automobiles. In particular, this document specifies a test method to inspect the occurrence of colour exchange, deformation and delamination of flexible opto-electric circuit boards under thermal stress.