High-Density Interconnect (HDI) PCB Market

Key data points: Market size in 2027 = $20.7 million and 2035 = $32.1 million, growth forecast = 5.6% annually for the next 8 years. Scroll below to get more insights. This market report covers trends, opportunities and forecasts in high-density interconnect (HDI) PCB market to 2035 by build up structure (1+n+1, 2+n+2, 3+n+3, and others), technology (4-6 layer, 8-10 layer, and 10+ layer), end use (smartphones & tablets, computers, telecom/datacom, consumer electronics, automotive, and others), and region (North America, Europe, Asia Pacific, and the Rest of the World) High-Density Interconnect (HDI) PCB Market The future of the global high-density interconnect (HDI) pcb market looks promising with opportunities in the smartphone & tablet, computer, telecom/datacom, consumer electronic, and automotive markets. The global high-density interconnect (HDI) pcb market is expected to reach an estimated $32.1 million by 2035 from $20.7 million in 2027 with a CAGR of 5.6% from 2027 to 2035. The major drivers for this market are the increasing demand for smaller & lighter electronic devices, the growing demand for consumer electronics products, and the rising adoption of internet of things devices. • Lucintel forecasts that, within the technology category, 10+ layer is expected to witness the highest growth over the forecast period due to increasing demand for complex high performance circuit designs. • Within the end use category, smartphones & tablets is expected to witness the highest growth over the forecast period due to rising adoption of advanced feature rich mobile devices. • In terms of regions, APAC will remain the largest region over the forecast period due to strong electronics manufacturing and semiconductor ecosystem growth. Gain valuable insights for your business decisions with our comprehensive 150+ page report. Sample figures with some insights are shown below. Emerging Trends in High-Density Interconnect (HDI) PCB Market PCBs based on High Density Interconnect (HDI) technology are gradually moving towards manufacturing of advanced AI servers and other similar devices, along with automotive and other sectors, between 2025 and 2027. Lucintel has indicated that there will be rising demands for HDI PCBs in various sectors including medical and others. • AI-driven Miniaturization: There will be increased requirement of advanced packaging and miniaturization in PCBs due to the rising demands of artificial intelligence. Some of the latest predictions indicate that PCBs for AI will require thousands of microvias and lines and dozens of layers. Considerable investments have been made in 2024 in semiconductor packages and related supply chains to address these demands. • Automotive Electronics Expansion: The growing demands of AI will require advances in PCBs and other components. For example, the increasing popularity of electric vehicles and other similar vehicles will require advanced HDI PCBs for various controls and units. The International Energy Agency (IEA) has indicated that about 17 million electric vehicles were sold in 2024. • Manufacturing Innovation: Integration of low-loss laminates and modified SAP allows for better signal control. Suppliers of copper-clad laminates launched products for HF applications in 2025. As the speed of signals increases, design engineers can integrate more signals on a printed circuit and further integrate Printed Circuits on other substrates. • Manufacturing Diversification: A shift in the sourcing of PCBs to other countries like India, Vietnam, Thailand, Mexico, and the EU, from the Chinese and Chinese-Taiwanese PCB suppliers, is to reduce supply chain concentration risk. India aims to have an electronic system design and manufacturing (ESDM) worth 24 lakh crore by 2025-26. As new regional PCB plants are set up, design and material qualification will change. • Sustainability: The PCB fabricators will be required to produce PCBs with even lower environmental impact. The Integrated Environment and Energy Balance will require further process controls, and Suppliers will be required to ensure closed-loop systems and provide comprehensive analytics. The EU further strengthens its ecodesign requirements from 2025. AI and Automotive will be the primary drivers for PCB industry growth. Premium clients will be focused on “Best-in-class” manufacturers. Manufacturers are required to balance an array of conflicting requirements to gain premium clients. Performance requirements will continue to increase and driver “must-win” client requirements. Recent Developments in the High-Density Interconnect (HDI) PCB Market The forecast period (2025-2027) is expected to witness rapid development in the high-density interconnect (HDI) pcb market due to increasing miniaturization in various electronics including computer and electronic devices, automotives, and artificial intelligence (AI) servers. Lucintel expects ongoing investments by PCB manufacturers in the Asian region, technology enhancements notwithstanding the cyclical nature of the electronics market. • New Production of AI Servers: In February 2025, TTM Technologies limited announced an investment of $250 million to setup a new advanced PCB manufacturing plant in the USA to cater to high end computing and aerospace market. This is expected to energize the advanced PCB manufacturing industry in the USA and puts pressure on other Advanced PCB manufacturers in the Asian region to enhance their HDI and high layer manufacturing in the next 3-5 years. • Industry Alliances: In April 2025, Zhen Ding Technology gained a strategic alliance with Siemens to implement Digital Manufacturing. Winning such alliances indicates that Zhen Ding Technology is improving its qualified supplier status for automotive electronics. Other suppliers also may need similar alliances to sustain their HDI orders from automotive electronics manufacturers. • Substrate and MSAP Investment: Unimicron is investing approximately NT$20 billion for advanced substrate and PCB manufacturing (Jan. 2025). While this investment could support high-end packaging in the future, it will initially drive investments in other adjacent technologies, like fine line, which will increase the overall competition for advanced products, e.g., AI, communications, and premium mobile products. • Regional Production Expansion: Other than Unimicron, there are other investments being made in Thailand. For example, in June 2022, Compeq announced it will make an investment of approximately NT$10 billion in Thailand. Like Unimicron’s investment, this will provide its customers an alternative to China. It should also shift the production of HDI PCBs from China to other Southeast Asian countries. • High Density PCBs for Smartphones: The forecast for the worldwide shipment of smartphones for 2025 is approximately 1.2 billion (Mar. 2025). With this forecast, along with other forecasts which project the worldwide shipment for premium smartphones for the same year in the billions, it is expected the smartphone manufacturers will further increase the routing density and reduce the thickness of smartphones. This, along with other factors, will further stimulate the growth of the advanced and high density PCBs. The constant and rapid advancement and the expected long-term demand, especially from the automotive and AI markets, will stimulate growth for high density and complex PCBs. The increase and advanced needs of the smartphone market will also stimulate growth. Manufacturers that can produce reliable fine-line products, will have better chances of capturing the high-end PCB products. Others may not be as fortunate. Strategic Growth Opportunities in the High-Density Interconnect (HDI) PCB Market The focus of the high-density interconnect (HDI) pcb market is anticipated to move from handset markets from 2024 to 2026 to incorporate AI ample education and automotive and medical markets. Lower product cycles and form factors will continue to stimulate market fragmentation. Lucintel believes that technologies involving PCBs with higher layer counts and finer lines will increase and gain industry acceptance. • High-End Server, AI, and Data Center Boards: Improved server architectures, coupled with increased focus on AI and data centers, will continue to drive the need for higher layer counts, and thinner, denser interconnects. Trends toward higher power and thermal densities in data center infrastructure will further stimulate this market. • Automotive PCBs: The strong trend toward electrification of the vehicle fleet will stimulate the need for lightweight PCBs for control, sensing and display applications. PCBs for automotive use will exhibit strong market growth from 2018 to 2028. • Medical Miniaturization: Devices such as health monitors and surgical tools require miniaturized circuit boards. Many imaging devices require smaller assemblies, as do wearable medical devices. In 2024, the FDA approved approximately 5,200 medical devices via the 510(k) pathway. Medical device companies that can manufacture small, traceable, and biocompatible products will be successful. • Onshoring: The United States and Europe are increasing their electronics manufacturing capabilities. The European Chips Act aims to bring similarly large investment and manufacturing infrastructure to the region. Meeting these customer demands by positioning manufacturing closer to where end-users are located will be important for companies. • Sustainability: Manufacturing with lower loss and sustainability in mind will help OEMs meet their goals to lower the carbon footprint of their products. Beginning in July 2024, the EU will implement new sustainability rules using the Ecodesign framework. Being a supplier that uses sustainable materials will help a company meet customer demands and increase the likelihood of a company winning long-term contracts. In the next five years, it will be important for HDI PCB manufacturers to invest in new technology to help with medical miniaturization. It will be important for manufacturers to invest in new facilities to help meet customer demands. High-Density Interconnect (HDI) PCB Market Drivers and Challenges High-density Interconnect (HDI) PCBs provide solutions for advanced electrical connections on small-form factor circuit boards. Recent years have seen many developments in the electronics industry, from increased miniaturization to the integration of electronics in various modes of transportation. As these trends continue, the demand for electronics containing HDI PCBs will also increase. The HDI PCB industry still faces a number of challenges, from raw material shortages to regulatory changes. According to Lucintel, the PCB industry will continue to be competitive as a result of technological and process advances. The factors responsible for driving this market include: • Miniaturization of Electronics: The constant reduction in the size of electronics requires the use of advanced PCB technologies to reduce size and increase the number of components the PCB can support. HDI technology allows for the design and manufacture of micro and nano-electronics. The estimated worldwide shipment of smartphones in 2025 is around 1.2 billion. Continuous miniaturization of consumer electronics will require the use of HDI technologies. • Automotive Electrification: Electrified vehicles and migrated functions to the cloud create a need for advanced circuits. Compared to traditional PCBs, HDI PCBs reduce the space required to house control units, and improves signal integrity. By 2025, it is anticipated that more than 20 million electric vehicles will be sold each year, creating increased demand for related electronic controls. During this period, the electronic control units in vehicles will integrate greater levels of integration, and the use of HDI PCBs will increase. • Advanced Connectivity: The deployment of 5G and Edge computing architectures along with artificial intelligence and other next generation communication and processing technologies will create an increased demand for PCBs that are able to support higher data rate and more complex signals. HDI PCBs facilitate such signal routing and reduce signal integrity issues. The deployment of 5G is expected to create billions of interconnections. During the next 5 years, HDI PCBs will find increased usage in communication equipment and data center equipment. • Product Innovation: Manufacturers are creating HDI PCBs which integrate other technologies, creating an even wider range of products. HDI PCBs will find increased use in the aerospace and defense industry, as well as other industries which have strict requirements on form factor and signal integrity. • Production Improvements: More automated processes for drilling and defect inspection improved consistency and yield. Also, digital microvia drilling and other technologies allowed better utilization of small spaces, as seen with the latest iPhones. January 2025 saw the release of smartphones using micro LED displays with HDI PCBs. It is expected that better fact design and control will create better quality and lower costs for HDI PCBs in the next 3-5 years. The challenges facing this market include: • High Production Costs-The equipment and processes required for HDI PCB manufacture are significantly more complex and expensive than those for conventional PCBs. This includes equipment such as laser drill systems, specialized plating processes, and advanced lamination processes. Skilled personnel and clean room environments further increase the costs. In May 2025, the cost for a laser drilling system was approximately 5 million EUR. In the next 3 to 5 years, cost-sensitized customers will only be able to justify the use of HDI PCBs in low volume applications if significant improvements in yield and reduction in process costs occur. • Supply and Materials Challenges-Raw materials, chemicals and equipment used in the manufacture of HDI PCBs are few in supply and high in volume. This creates variance in delivery times and prices. In June 2025, the price of copper was approximately 9,000 EUR/ ton. In the next 3 to 5 years, manufactures will need to rely on local sources, and employ diversified supplier and raw material supply strategies in order to ease supply and price variances and better control their business. • Complexity and Quality: Thinner walls result in increased registration errors, and higher layer counts are susceptible to more via failures, delamination, warpage, and signal integrity problems. Strict failure-mode effects analysis (FMEA) requirements for automotive, aerospace, and medical applications result in long and expensive qualification processes. As of July 2025, it was common for automotive OEMs to require components to successfully complete reliability tests, e.g., 1,000 cycles, to qualify for use in their products. During the next several years, end users may need to increase their investments in design and process control and rely more on outsourcing for inspection, testing, and other services, to control the quality of the products they manufacture. Development of high-density interconnect (HDI) Printed Circuit Boards (PCBs) will continue due to the increasing demand for miniaturized and intelligent systems in the automotive and other industries. Continuous advancement in the fields of information technology, electronics and communications will further strengthen the global PCBs market. However, decreasing profitability and increasing risks for quality and reliability will continue to challenge PCB manufacturers during the next several years. Manufacturers must continually improve their operations to meet stringent customer requirements. List of High-Density Interconnect (HDI) PCB Market Companies Companies in the market compete on the basis of product quality offered. Major players in this market focus on expanding their manufacturing facilities, R&D investments, infrastructural development, and leverage integration opportunities across the value chain. Through these strategies high-density interconnect (HDI) pcb market companies cater increasing demand, ensure competitive effectiveness, develop innovative products & technologies, reduce production costs, and expand their customer base. Some of the high-density interconnect (HDI) pcb market companies profiled in this report include- • TTM Technologies, Inc. • Tripod Technology Corporation • AT&S • Kingboard Holdings Ltd. • CCTC • DG Shengyi Electronics • Dynamic Electronics Co. Ltd. • Gold Circuit Electronics • Olympic • DAP High-Density Interconnect (HDI) PCB Market by Segment The study includes a forecast for the global high-density interconnect (HDI) pcb market by build up structure, technology, end use, and region. High-Density Interconnect (HDI) PCB Market by Build up Structure [Value ($M) from 2019 to 2035]: • 1+n+1 • 2+n+2 • 3+n+3 • Others High-Density Interconnect (HDI) PCB Market by Technology [Value ($M) from 2019 to 2035]: • 4-6 Layer • 8-10 Layer • 10+ Layer High-Density Interconnect (HDI) PCB Market by End Use [Value ($M) from 2019 to 2035]: • Smartphones & Tablets • Computers • Telecom/Datacom • Consumer Electronics • Automotive • Others High-Density Interconnect (HDI) PCB Market by Region [Value ($M) from 2019 to 2035]: • North America • Europe • Asia Pacific • The Rest of the World Country Wise Outlook for the High-Density Interconnect (HDI) PCB Market Recent trends indicate the HDI PCB market will gradually integrate sections of the semiconductor and high-tech device market chains. New projects and investments for the period 2025-2027 will strengthen the domestic production of board-level products and Artificial Intelligence servers. As reported by Lucintel, these projects will substantially change regional manufacturing. • United States: TTM Technologies expects to construct advanced HDI and PCB fabrication facilities in the U.S. (Arizona and New York) with funding from the CHIPS for America program. When completed, the PCB fabrication facilities are expected to help the U.S. defense and aerospace sectors source HDI PCBs. • China: The Chinese government extended support for the high-end manufacturing section of the electronic information industry. As such, several PCB manufacturers developed large substrate-like capacities. China is aggressively developing HDI boards to support local manufacturing of high-end electronic devices, Automotive electronics and Server farms. • Germany: The 2024 approval of Germany’s €10 billion “European Chips Act” to fund local semiconductor production financing through 2025 awarded grants to companies to build semiconductor fabs and construct advanced packaging and HDI facilities. The advanced packaging and HDI facilities will supply the high density circuit boards needed to produce electronics. Germany’s commitment to local semiconductor production will promote local HDI supply and shorten their supply chains. • India: The Indian government’s $2.29 billion PCB and semiconductor fabrication facility grant in March 2025 will allow Kaynes Technology to construct the same. The grant will fund subsidies for the fabrication of electronic components and PCBs. This will incentivize the local manufacturing of HDI in India. • Japan: Ibiden will construct advanced IC and package substrates through 2025, investing 90.5 billion yen. The high reliability and fine line fabrication of substrates will help fulfill the demand of HDI interconnects for AI, automotive and communications systems. Features of the Global High-Density Interconnect (HDI) PCB Market Market Size Estimates: high-density interconnect (HDI) pcb market size estimation in terms of value ($M). Trend and Forecast Analysis: Market trends (2019 to 2026) and forecast (2027 to 2035) by various segments and regions. Segmentation Analysis: high-density interconnect (HDI) pcb market size by build up structure, technology, end use, and region in terms of value ($M). Regional Analysis: high-density interconnect (HDI) pcb market breakdown by North America, Europe, Asia Pacific, and Rest of the World. Growth Opportunities: Analysis of growth opportunities in different build up structure, technology, end use, and regions for the high-density interconnect (HDI) pcb market. Strategic Analysis: This includes M&A, new product development, and competitive landscape of the high-density interconnect (HDI) pcb market. Analysis of competitive intensity of the industry based on Porter’s Five Forces model. If you are looking to expand your business in this or adjacent markets, then contact us. We have done hundreds of strategic consulting projects in market entry, opportunity screening, due diligence, supply chain analysis, M & A, and more. This report answers following 11 key questions: Q.1. What are some of the most promising, high-growth opportunities for the high-density interconnect (HDI) pcb market by build up structure (1+n+1, 2+n+2, 3+n+3, and others), technology (4-6 layer, 8-10 layer, and 10+ layer), end use (smartphones & tablets, computers, telecom/datacom, consumer electronics, automotive, and others), and region (North America, Europe, Asia Pacific, and the Rest of the World)? Q.2. Which segments will grow at a faster pace and why? Q.3. Which region will grow at a faster pace and why? Q.4. What are the key factors affecting market dynamics? What are the key challenges and business risks in this market? Q.5. What are the business risks and competitive threats in this market? Q.6. What are the emerging trends in this market and the reasons behind them? Q.7. What are some of the changing demands of customers in the market? Q.8. What are the new developments in the market? Which companies are leading these developments? Q.9. Who are the major players in this market? What strategic initiatives are key players pursuing for business growth? Q.10. What are some of the competing products in this market and how big of a threat do they pose for loss of market share by material or product substitution? Q.11. What M&A activity has occurred in the last 7 years and what has its impact been on the industry?