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PCB ( Printed circuit board), as the “mother of electronic products”, is the carrier of all electronic components Liberians Escort and plays a role in the industrial chain as a link between the past and the future. role.
With the advent of the 5G era, PCB stands at the new Liberians Escort trend. The 5G era puts forward high-frequency and high-speed transmission requirements, which subsequently drives the volume of high-end PCBs such as high-frequency, high-speed, and multi-layer downstream. Only in terms of base stations, Galaxy Securities has given a similar budget, believing that after the official 5G license is issued, the base station deployment will The market space is opening up rapidly, and the total PCB investment space brought about by the construction of domestic 5G macro base stations is about 30 billion yuan.
In additionLiberians Sugardaddy, in terms of terminals, the launch of 5G mobile phones and the launch of AR/VR products will inject growth impetus into PCBs for terminals; the launch of key technologies such as the Internet of Vehicles and car PCsLR EscortsB injects growth momentum.
Facing the vast market of PCB industry, how should the industry seize development opportunities? From December 26th to December 27th, the two-day “5G New Materials Advanced Training Course” course training focused on the PCB field and attracted more than 60 students from 5G industry chain-related companies. This course focuses on new materials and processes for 5G base stations/mobile phones, material selection for high-frequency and high-speed PCBs, new requirements and challenges for high-end HDI board substrate material properties, and high-performance polyimide materials for 5G communications. The content of the course is The affairs are full of practical information.
It is worth mentioning that in order to better explore the trends and opportunities of the 5G new material industry, New Materials Online has specially created a “5G New Materials Advanced Training” for practitioners related to the 5G industry chain around “5G New Materials” “Class” series of courses. The course focuses on the ten key materials in the 5G field such as PCB, antenna, microwave ceramics, high thermal conductivity and EMC materials, and invites technical senior engineers and university professors from Fuxing, Shengyi Electronics, Bomin Electronics, Guangdong University of Technology and other enterprises to give lectures. In-depth analysis of industrial structure and development trends.
Opening ceremony at 930 am on December 26th
Zheng Daoyong, co-founder of Shenzhen Sairui Industrial Research Co., Ltd., delivered a speech at the opening ceremony
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Shengyi Electronics Ji Chengguang, manager of the R&D Department, shared with friends “Material Selection and Future Trends of High-Frequency and High-Speed PCB”.
“As the transmission speed of PCB becomes higher and higher, the requirements for the integrity of electronic signals are also getting higher and higher. In addition, with the complexity of function integration, the number of layers and the number of communication high-speed PCBs are becoming higher and higher. The plate thickness is also getting higher and higher,” Ji Chengguang said when analyzing the development trend and direction of high-frequency and high-speed materials. He believes that with the evolution of terminal platforms, in big data, low latency, and high-throughput data transmission scenarios, the requirements for material dielectric constant and loss factor are getting lower and lower.
The demand for data growth brought about by high-speed electronic signal transmission Image source: Ji Chengguang’s speech PPT At the customer level, the demand for diversification and customization of materials is obvious, and at the same time, more attention is paid to the control of underlying materials and the quality of PCB tools The stability of quality. Ji Chengguang analyzed that high-frequency electronic signal transmission brings about the development demand for data. For example, in terms of resin, we use a low-polarity resin system with long rigid chains and few side chain LR Escorts groups, while ensuring a few small molecules. Chain segment; in terms of copper foil, low roughness copper foil is used, and surface treatment is adopted.Ensure the bonding force between copper foil and resin; for fiberglass cloth, use glass cloth with excellent motor performance to ensure low loss, and at the same time, the thickness of the cloth has good uniformity; for filler, use organic filler with uniform particle size distribution, and the surface treatment ensures The combined force with the resin reduces the unrestricted movement space of the resin chain segments. With the development of 5G communications, PCB high-speed products have increasingly higher performance requirements for copper-clad laminates. Ji Chengguang said that further improvements are needed in the selection and control of materials. For example, in terms of quality control of incoming materials, it is necessary to improve monitoring methods and tighten control requirements; in terms of material import evaluation, more attention is paid to research on material supply windows, and more stringent definitions of material capability evaluation and practicality are required. December 26th, 14:00-17 pmLiberia Sugar Daddy: 00
A well-known terminal mobile phone product system in Shenzhen Teacher Yu distributed “Introduction to new materials used in 5G mobile phones and analysis of future market competition trends” to the students.
As the fifth generation of mobile location communication technology, 5G has the characteristics of large bandwidth, high speed, wide connection, low latency, etc. Its actual transmission rate can reach 10GB/s. The comprehensive development of 5G will open a new chapter in the Internet of Everything. Its continuous integration with AI, big data and other technologies will promote the development of medical and health, industrial production, media and entertainment and other fields, and promote changes in the entire society. At the scene, Teacher Yu analyzed the characteristics and characteristics of new processes and new materials used in 5G mobile phones such as carrier board-like SLP, chip self-shielding, dual-board 3D stacking and welding, new heat dissipation technologies and processes, millimeter wave antenna packaging processes, and new LCP materials. The prospects are explained one by one. It is understood that because similar carrier boards can miniaturize mobile phone boards, its penetration rate in high-end mobile phones continues to increase as 5G commercialization advances. Data shows that it is estimated that by 2022, the global carrier board market will reach 27.4 billion yuan.
Image origin of global carrier board market scale: Teacher Yu’s speech PPT
In terms of heat dissipation data, data show that as of the first quarter of 2020, 5G using VC vapor chambers for heat dissipation Mobile phones account for more than 60%. With the popularization of 5G mobile phones, the penetration rate of VC vapor chambers will gradually increase, and by 2022, the penetration rate will reach more than 65%. “It is estimated that by 2022, the market size of VC vapor chambers will reach more than 4 billion, accounting for approximately 30% of the entire mobile phone cooling market. With the introduction of millimeter wave technology, demand will further increase.”
Picture origin: Teacher Yu’s speech PPT
In terms of millimeter wave antennas, Teacher Yu said that according to international relevant plans, commercial use is expected to be completed in 2022, when 5GDemand for millimeter wave antenna modules will explode. In addition, in terms of LCP materials, LCP can be used as the packaging substrate for millimeter wave antenna modules, LCP films can be used to make LCP FPC antennas, and LCP fibers can be used as the substrate for high-speed and high-frequency communication PCB boards. With the gradual use of 5G millimeter wave frequency bands, and the gradual maturity of technology and continuous optimization of costs by domestic LCP resin companies, the LCP market will grow rapidly, and the downstream demand for LCP antennas is expected to enter the explosive stage. “According to Huatai’s prediction, the demand for LCP for antennas will reach more than 2,700 tons in 2023, and the average annual compound growth rate in recent years will reach more than 80%.” After listening to the speech for a day, the trainees were still in high spirits, and at the organizer’s new meeting Under the arrangement of online materials, go to the Innovation Museum for viewing and inspection.
The innovation database combines the online information electronic library with the offline physical innovation database to collect innovative materials from well-known companies around the world. Currently, it can provide material selection and solution consulting services for a variety of industries. ; At the same time, designer open events and salons are held regularly to provide a communication platform for material companies and users.
At present, the Innovation Database gathers innovative material information and objects from world-renowned companies Liberians Escort, So far, 2,000+ companies (including many well-known material companies such as DuPont and Evonik) have settled in, and 10,000+ touchable new materials have been exhibited here. It has attracted 100+ famous design institutions such as Jialantu, Langjing, and Rococo. , huawei, Haier and other internationally renowned manufacturing LR Escorts companies as well as a large number of makers and designers have visited.
The students were very interested in the exhibits in the Innovation Museum, constantly asked the staff about the relevant features and application areas, and expressed their appreciation for the rich exhibits in the Innovation Museum.
The viewing is over, and the first day of exciting activities has also come to an end. The students are waiting for the next day’s courses…
December 27th, 930am
Bomin Electronics R&D Center Director Chen Shijin shared with friends “Analysis of Opportunities and Challenges Facing High-End HDI in the 5G Era”.
PCB is known as the mother of electronic products. It is used in almost all electronic products and plays the role of “inheriting the past and linking the future” in electronic products.
Among them, HDI circuit boards are mainly used in communication terminals, digital consumer electronics, car electronics and other fields. Data shows that HDI circuit boards account for approximately 9.56% of automotive PCBs.
Liberia Sugar Daddy Chart origin: Chen Shijin’s speech PPT
In the 5G era, HDI Circuit boards will also be iterated accordingly, and new HDI terminal products will put forward new requirements for materials such as CCL and copper foil, posing higher challenges to PCB manufacturing processes and testing technologies. He analyzed the new requirements of HDI circuit boards for substrate materials, such as high-frequency and high-speed transmission requirements. Since 5G network speed is 100 times that of 4G, the existing printed board material Dk and Df values cannot meet high-frequency and high-speed transmission. transmission requirements, and at the 10GHz frequency, the printed board material needs to achieve the goals of Dk<3 and Df<0.001. Therefore, in addition to requiring low dielectric loss and low dielectric constant of the substrate material, it is also required to meet lower signal loss during high-frequency and high-speed transmission. "At present, only a few manufacturers in the United States and Japan have released similar products, but the prices are high and the popularity is low." He also analyzed the requirements of HDI printed circuits for substrate materials such as ultra-thinness, stability, and CAF resistance. He concluded that due to the huge market demand in communication terminals, car electronics, consumer electronics and other fields, HDI boards will still be one of the board types with the fastest growing demand in the next few years, but its demand for materials such as copper clad laminates, pp and copper foil Demand will show a change from "quantity to quality". On the afternoon of December 27, 1430
Professor Min Yonggang of Guangdong University of Technology distributed to friends “Polyimide Materials for 5G Communications Development and Application of Liberia SugarMaterials”.
5G technology requires the use of polymer materials with low dielectric, high thermal conductivity and high electromagnetic barrier, such as film materials including PI film.
Min Yonggang analyzed that domestic MPI slurry and film preparation technology generally lags behind companies in Japan, the United States and South Korea, and the glueless copper coating process is basically controlled by Japanese and American companies. “my country urgently needs to establish PI films, high-performance Liberians Sugardaddy MPI films and adhesive-free copper-clad production lines with independent intellectual property rights to realize core technologies Localization.” It is understood that the development of the international PI industry has pain points such as insufficient international R&D experience and weak foundation, insufficient PI production technology of international companies, and weak domestic industrial equipment. In the entire international polyimide industry chain, which is at the middle and lower levels of the world, key Liberians Escort technologies and equipment are in urgent need of breakthroughs. Min Yonggang introduced his team’s R&D technology path and innovation status of polyimide materials for 5G communications. According to QingChu, the team developed a biaxially stretched/chemically imidized polyimide film for thermally conductive graphite film materials; a 5G high-frequency, low-loss PI film for flexible copper-clad laminate materials; and a flexible screen substrate for flexible screen substrates. Take out CPI glue and CPI film. Min Yonggang said that the team’s project is technologically innovative. For example, the technological innovation of biaxially stretched and chemically imidized polyimide films is to use chemically cross-linked polyimide as raw materials. Chemical cross-linking is used to increase the initial precursor strength during the film-casting process, and the application is environmentally friendly. The solvent is used to reduce the surrounding environmental pollution, and then biaxially stretched to obtain a PI biaxially stretched film with a modulus of 200MPa and a resistance of 400~450℃. After stretching, the conformation of the polyimide is three-dimensional, and the linear shrinkage coefficient is only 4~ 20 ppm/K, close to copper foil. It is understood that the team’s polyimide resin, polyimide biaxial stretching, thermal conductive film and other projects have been developed, and in 2021, they will occupy projects such as flexible copper-clad laminates and flexible screen substrates. During the two days of study, the students listened carefully to the lectures, took notes, and tirelessly asked questions to the lecturers. The atmosphere of on-site learning and interaction was great.
At this point, the 2020-07 New Materials Entrepreneur Development Camp “5G New Materials Advanced Training Course PCB Chapter” has successfully concluded! The organizer issued new information online to issue graduation certificates to the students.
Volunteer editor: lq
Original title: Lectures by Fuxing/Shengyi/Bomin/Guanggong instructors. More than 60 entrepreneurs explore new opportunities in PCB!
Article source: [Microelectronic signal: xincailiaozaixian, WeChat public account: new information online] Welcome to add tracking and care! Please indicate the source when transcribing and publishing the article.
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