Apple is expected to utilise LCP (liquid crystal polymer)-based flexible PCBs for the mmWave antenna modules and other high-speed transmission applications on the upcoming 5G iPhones. There are speculations that this could significantly increase the demand for LCP FPCB Modules, a supply chain report by DigiTimes hints. 
Earlier in November 2019, industry insider, Ming-Chi Kuo had forecasted about the use of LCP FPCB Modules. Kuo hinted that Apple’s next generation of 5G iPhones would feature improved Liquid Crystal Polymer Flexible Printed Circuits.
Although Apple experimented with LCP FPCB Modules with iPhone X, Kuo predicted that on the whole, LCP FPC based iPhones would eventually make up roughly 70-75% of Apple’s iPhone shipments over the next year.
What is LCP, or liquid crystal polymer? It’s a reasonably new material arising in the flex PCB manufacturing market that is establishing a solid presence. This one-of-a-kind thermoplastic product is very thin (1, 2 as well as 4 mil cores), flexible circuits, light-weight, as well as has quite reduced dampness absorption in addition to high chemical resistance.
In addition, LCP has superb electrical buildings including reduced loss and also a secure dielectric constant that makes it perfect for high-frequency PCB manufacturing and mm-wave kind applications, especially those that could gain from the slim, light-weight cores.
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