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formal coating

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formal coating
据说 ‘formal coating’ 可以提高绝缘材料的污染等级;这里的 ‘formal coating’
formal coating
你是问 Conformal coating
中文解释是“保型电镀涂层工艺”,广泛应用于工业和民用金属或复合材料的表面处理和喷漆,具有防潮、防尘、抗化学腐蚀、和抗温度大幅变化对材料的影响.
formal coating 未见有专门术语解释.
再问: 谢谢您的回答。我这里说的是电路板生产时,在生产线上做的一道工序,不清楚是指刷三防漆(绝缘、防潮、防漏电),还是对关键器件的引脚涂刷绝缘胶。
再答: 电路板(PCB)的 formal coating 也是指 conformal coating: Conformal coatings are designed to protect printed circuit boards and related equipment from their environment. Typically applied at 25-75μm, these coatings ‘conform’ to the contours of the board allowing for excellent protection and coverage, ultimately extending the working life of the PCB. 目前有四种涂层材料和工艺: AFA —— Aromatic Free Acrylic Coating APL —— Acrylic Protective Lacquer HPA —— High Performance Acrylic TFA —— Toluene Free Acrylic