News

Liquid Crystal Polymer Printed Circuit Board (LCP PCB)

0

Published by PS Electronics November 30,2022

Liquid Crystal Polymer Printed Circuit Board (LCP PCB)

 

Liquid Crystal Polymer (LCP) is not a fresh thing, this product has currently looked like very early as one decade earlier, nowadays it is coming up a growing number of in our discussions in PCB production, which can be attributed to the growing traction for liquid crystal polymer movies to establish high sought-after flexible printed circuits and for semiconductor packaging. The films/laminates were well matched for PCB manufacture which supports reduced loss signal transmission in Millimeter-wave frequencies in the range of 40 to 110GHz, making this product system one of the most effective circuit laminates readily available for millimeter-wave applications. The current report shows that ~ 46,582 KT of fluid crystal polymer (LCP) was marketed in 2018, and also it is imagined that the sales will choose speed by ~ 5% in 2019. The radical increase in the applications of liquid crystal polymer in the electronics & electrical sector, which brought about ~ 70% sales of LCP will certainly remain to rate up profitable growth avenues for market gamers with 2029, claims the record. Expanding penetration of miniaturization trend in electronics & electrical sector has obtained all the limelight of stakeholders that are eagerly anticipating expanding their product applications.

 

What is Liquid Crystal Polymer?

 

LCP Material

Liquid crystalline polymers (LCPs) are a special sort of thermoplastics that exhibit buildings between very purchased strong crystalline products and amorphous disordered fluids over a well-defined temperature level range. LCP is a high-performance thermoplastic product with excellent thermomechanical habits. It can be thermoformed (also as an intricate multilayer flex with embedded thin film traces) to any type of preferred shape. At area temperature, slim LCP movies and also fibers display mechanical residential or commercial properties close to steel. The functional temperature for LCP circuits can get to 190 ° C. Multiple, conventional SMT reflow, as well as soldering operations, are possible. LCPs also supply low dampness absorption and also chemical security. It belongs to the polymer products with the most affordable permeability for gases and also water. LCP can be adhered to itself, permitting multilayer building and constructions with an identical framework. As a result of these properties, they can be utilized for real estate and also encapsulation. LCP adheres well to most products if the breeding material is sufficiently rough.

 

LCP PCB Can Attain Higher Miniaturization

Take smartphones as an example. With the increase of complete screens, item morphology changes, even more elements included, bigger batteries, and so on, these are all reasons for further compression of the internal room of mobile phones. The space where antennas can be made use of for layout is obtaining smaller as well as smaller, and also miniaturization methods such as antenna selections are emerging one after another. There are three main facets to the compression of the internal room of the cellphone: (1) Full-screen layout, although the length and also size of the mobile phone come to be larger, the density remains to decrease. (2) More and more useful parts incorporated by smart devices, such as sensors as well as cams, further capture room. (3) The power usage of bigger display dimensions and more practical elements has enhanced dramatically, while the battery thickness normally just increases by 10% annually.The raised power need makes the battery quantity larger as well as bigger. To transform the "home" of the antenna inside the mobile phone, along with maximizing the antenna efficiency and also embracing the variety structure, more efforts require to be made from the crucial kind of the antenna. The LCP soft board has a much better adaptability and can further improve room usage compared with the PI soft board. Usage resistance adjustment is higher than 10% to court. Under the same experimental problems, LCP soft board can endure much more flexing times as well as a smaller flexing span than a typical PI soft board, so LCP soft board has better Versatile performance and product integrity. Furthermore, the excellent versatility permits the LCP soft board to easily create the shape, to adapt to the little room inside the cellphone. Take the flexible board that covers the battery as an example. The LCP adaptable board can fit the battery well, while the PI versatile board can not near the battery surface under the influence of the rebound effect, which creates the inner structure of the entire machine to be loose and also inefficient. A particular quantity of room. The LCP soft board can lower the density of the antenna transmission line by 65%, which can even boost room use. The typical design uses an antenna transmission line, which is what we call a coax, to transfer the signal from the antenna to the motherboard, while multi-mode as well as multi-frequency call for numerous antenna transmission lines to be placed in a tiny room. The LCP soft board has the same superb transmission loss as the antenna transmission line. It can lug several transmission lines in a three-layer structure of only 0.2 mm and also lead out numerous superhigh frequency lines. This suggests that the use of the LCP soft board can replace the thick Antenna transmission line as well as the coaxial port to reduce the density.

 

LCP FPC Comes To Be 5G Mainstream Antenna Technology

 

LCP PCB antenna

The application series of the soft board is extremely broad, but with the new material modern technology, it will aid the development of the incurable antenna, particularly in the coming 5G network. Take the cellphone as an instance. Everyone may respect the display, processor, memory, and other elements of the mobile phone, yet rarely pay attention to the antenna. The antenna at the front end of the superhigh frequency is relatively away from the individual and also is at the bottom of the communication modern technology, so everyone's day-to-day focus is out this, but it is important to the function of smartphone wireless terminals. Under the trend of 5G and the Net of Points, front-end RF, as well as antennas, have started to get focused. The antenna, as its name implies, is in charge of the initial radio frequency signal. It establishes communication signs such as communication quality, signal power, signal transmission capacity, as well as connection speed. Returning to our cellphone applications, smart devices consist of Mobile (LTE/ TD-SCDMA/ FD-SCDMA/ WCDMA/ CDMA2000/ GSM, etc), BT, Wi-Fi, GPS, NFC, as well as lots of other RF front-end useful components, these various settings The interaction approach enables us to understand a collection of applications such as text, voice, video clip interaction, Internet access, web browsing, map positioning, and also document transmission. We require a cordless link, and the connection requires relying on the antenna for signal transmission and reception. Wireless incurable gadgets such as smartphones need to handle various ecological conditions, as well as soft boards, have become the mainstream product of modern technology for antennas. Antennas can be separated into network insurance coverage antennas as well as terminal antennas. The previous is a base station antenna. We will certainly not expand it. We mainly talk about our frequently made use of a mobile phone as well as other cordless incurable antennas, including mobile phone antennas, mobile television antennas, laptop computer cables, general practitioner antennas, and so on. For mobile phones, as a result of the sector and also market development, with the assimilation and also high combination of cellphone look style, the interior area is constantly lowered, which can be claimed to be exceptionally difficult for antenna design. Cellphone antennas have evolved from the early external antennas to integrated antennas. At the same time, the soft board has become the mainstream innovation, exceeding 70%. With the gradual entering of the 5Gage, communication frequencies will certainly additionally totally enter the high-frequency area, and high-speed and also large-capacity will come to be the major tune. According to the 5G advancement roadmap, the first stage is the application below 6GHz, as well as after 2020, the 2nd stage is the application of millimeter-wave (30-60GHz). The signal frequency of terminal antennas such as smartphones is continuously raising, high-frequency applications are increasing, as well as the demand for high-speed network links is also raising. As the antenna as well as transmission tool in the terminal equipment, the soft board is inevitable to upgrade its modern technology.

 

Typical Flex PCBs Drops While LCP FPC Increases

LCP FPC

The typical adaptable board is made up of a multi-layer structure made up of copper foil, insulating base material, a cover layer, etc, utilizing copper foil as the conductor circuit product, PI film as the circuit protecting base product, PI movie as well as an epoxy resin adhesive as defense and seclusion The cover layer of the circuit is refined into a PI soft board via a specific process. Presently, one of the most widely used soft board substrates is primarily polyimide (PI), but because of the large dielectric constant as well as loss aspect of the PI substrate, high moisture absorption, and also poor integrity, the PI soft board The high-frequency transmission loss is severe as well as the architectural features are poor, and it has been unable to adapt to the current high frequency and high-speed trend. As discussed previously, LCP (fluid crystal polymer) is a new kind of polycarbonate natural product that can attain high frequency and also high speed under the property of high dependability. It has the complying with electrical characteristics: (1) a Practically continuous dielectric constant can be kept in the entire superhigh frequency array approximately 110 GHz, with excellent uniformity; (2) Tangent loss is extremely small, just 0.002, even at 110 GHz, it just raises to 0.0045, extremely ideal for millimeter-wave applications; (3) The thermal growth feature is really little, as well as it can be utilized as an ideal high-frequency product packaging product. Today, LCP is mostly used in high-frequency circuit substratum, COF substratum, IC product packaging, and other fields. It is near that as the fad of high-frequency as well as high-speed applications comes to be a growing number of obvious, the new procedure of LCP will certainly replace PI and also come to be a brand-new soft board process.

 

PS Produces High Performance LCP PCBs

PINSHENG is a verified PCB & PCBA manufacturer with 15 years of experience, our advanced technologies and qualified raw materials can make high performance LCP PCB for our clients, while has success on 100+ projects by now. Contact us to learn our advantages.

< >
One-Stop Solutions Get shortage parts supply and free PCB samples in very short time!