IMS – 绝缘金属基板
绝缘金属基板的新增长机会
高效散热需求,或局部的热量堆积,例如在配备高性能LED的现代建筑中,可以使用IMS技术。IMS PCB,是一种在金属板(通常是铝)上构建的PCB,在其上涂覆了一种特殊的预浸料,其主要特性是具有出色的散热能力和对高电压的强介电强度。
IMS PCB对散热的好处
IMS PCB热阻很低。如果将1.6mm的FR4 PCB与带有0.15mm热预浸料的IMS PCB进行比较,你会发现其热阻差值在100倍以上。在标准的FR4产品中,很难将大量热量从组件中发散出去。
阅读更多我们对IMS和其它PCB的材料推荐。
我们还举办有关IMS – 热管理、如何计算和设计IMS板的在线研讨会。除了IMS PCB外,还有哪些高效散热的替代方案?
如果您需要进一步的信息或协助,请联系当地的NCAB团队,我们很乐意为您提供支持。

IMS PCBs – Technical specification
Feature | NCAB´s technical specification |
Number of layers | 1 – 4 layers |
Technology highlights | Effective heat sink solutions for thermal applications. This construction type enables superior heat dissipation through use of either aluminium or copper substrate bonded to the insulated circuitry through thermal pre-preg or resin systems. |
Materials | Aluminium & copper plates. FR-4, PTFE, thermal dielectrics. |
Dielectric thickness | 0.05mm – 0.20mm |
Thermal conductivity | 1-12 W/m/K |
Profile method | Punching, Liquid cooled routing |
Copper weights (finished) | 35μm – 140μm |
Minimum track and gaps | 0.10mm / 0.10mm |
Metal core thickness | 0.40mm – 3.20mm |
Maxmimum dimensions | 550mm x 700mm |
Surface finishes available | HASL, LF HASL, OSP, ENIG, Imersion tin, Immsersion silver |
Minimum mechanical drill | 0.30mm |
Minimum laser drill | 0.10mm standard, 0.075mm advanced |