请问pcb压合的材料FR4,以及1080⼀2116是指的什么?HTG和normal又是指的什么东东?

2025-03-15 09:34:04
推荐回答(1个)
回答1:

FR4是防火等级的类别,
1.在PCB中说FR4是指一类材料的统称,一般是指Tg125度及以上的材料,l另外还有FR1,FR5等材料。
2. HTG(你这里应该是说High Tg)和normal(你这里应该是说normal Tg)是指材料的Tg点一个是高Tg(大于等于160度),一个是普通Tg(Tg125~135度),你可以参考IPC-4101B
3.1080/2116说的是玻纤布的型号其中有:106,1080,2113,2116,3313,7628等主要是按照厚度来分类的,他们用在PCB的压合中,增加层与层之间的结合力,你可以参考IPC-4412
4.High-Tg和normal-Tg材料主要就是Tg点的不同导致耐热性的差异,High-Tg材料多用在高层数(大于14L层),信赖性要求比较严格的高速PCB中,normal-Tg材料多用于4L-12L和汽车板中,这里的差别和优缺点太多我就不一一列举了,相关的PCB材料介绍你可以在百度文库中找到

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