Multilayer PCB Manufacturing

LST PCB is a high-tech PCB factory that can support HDI PCB, rigid-flex board, and multilayer board up to 48 layers.

Introduction to multilayer PCB

Multilayer printed circuit boards (PCBs) represent a significant evolution in electronics technology. A multilayer PCB is essentially a series of two or more double-sided PCBs stacked together with a reliable pre-determined pattern of interconnecting vias and layers. This advanced design enables the creation of complex and highly dense circuits in a compact form factor.

The construction of a multilayer PCB involves alternating layers of conductive copper and insulating dielectric materials. The number of layers in a multilayer PCB can range from three or four (which are common in consumer electronics) to over a dozen layers for more sophisticated high-density interconnect (HDI) boards used in professional-grade electronic equipment.

LST , as a multilayer PCB supplier from China, provides you with services covering multilayer PCB design, manufacturing, and assembly. Our capabilities extend to producing PCBs with up to 46 layers, accepting both single-material and hybrid pressed material specifications.

Multilayer PCB Manufacturing

Why Choose Multilayer PCBs for Your Project?

When selecting the backbone for your electronic projects, the choice of the circuit board is pivotal. Multilayer PCBs stand out as the premier option for a multitude of applications, and here’s why choosing them for your project can be a game-changer:

Space Optimization and Enhanced Functionality

Multilayer PCBs, with their stacked design, maximize space efficiency. The ability to layer circuits means more functionality per square inch, making them ideal for complex devices where space is at a premium. This compact design does not compromise on performance; instead, it enhances the capabilities of electronics by allowing for more components in a smaller area.

Durability and Reliability

The robust construction of multilayer PCBs confers a higher degree of durability and reliability. Layers of protective materials safeguard against environmental factors, mechanical stresses, and thermal strains, ensuring longevity and consistent performance.

Innovation and Customization

Multilayer PCBs offer unparalleled flexibility in design. They can be customized to fit the unique requirements of your project, from the number of layers to the types of materials used. This adaptability makes it possible to innovate without the constraints that simpler PCBs might impose.

Advanced Manufacturing Techniques

Utilizing advanced manufacturing techniques, multilayer PCBs are crafted with precision and consistency. State-of-the-art processes such as laser drilling and automated optical inspection (AOI) are employed to ensure the highest quality standards are met.

Expert Multilayer PCB Design Solutions

At LST, we stand at the forefront of multilayer PCB design, empowered by a fusion of advanced software tools, comprehensive design processes, and an engineering team with deep domain expertise. Our design solutions are tailored to innovate and customize, ensuring that your projects are not just realized but also optimized for excellence.

In-Depth Design Analysis and Strategy Our design process begins with an in-depth analysis of your project requirements. We strategize the layout and functionality, considering factors such as component placement, signal integrity, thermal management, and electromagnetic compatibility. This initial stage sets the foundation for a PCB that is not only functional but also robust in its design.

Cutting-Edge Design Software Utilizing the latest in PCB design software, such as Altium Designer, Cadence, and Eagle, our engineers craft precise and sophisticated multilayer PCB layouts. These tools enable us to execute complex designs with multiple layers, fine lines, and tight tolerances. With 3D modeling capabilities, we can visualize the end product in real time, allowing for a comprehensive review before the manufacturing process begins.

Customization at Its Core Customization is at the core of our design philosophy. We understand that each project has its unique challenges and requirements. Whether it’s a high-speed application, a rigid-flex PCB, or a board with special materials, our team is equipped to deliver a customized solution that aligns with your specific needs.

Engineering Expertise and Collaboration Our engineering team brings a wealth of knowledge and experience to the table. With specialists in electrical, mechanical, and thermal design, we collaborate closely with our clients to ensure every aspect of the PCB design is optimized for performance and manufacturability. This collaborative approach allows us to address potential challenges proactively and incorporate client feedback throughout the design phase.

Design for Manufacturability (DFM) Design for Manufacturability (DFM) is a critical aspect of our process. We ensure that our designs are not only technically sound but also economically feasible to produce. By considering manufacturing constraints and capabilities early in the design process, we reduce the risk of production issues and ensure a smooth transition from design to production.

Prototype Testing and Iteration Our design solutions include rapid prototyping, which allows for functional testing and validation of the PCB design. Iteration is a key part of our process, as it allows us to refine the design based on test results and client feedback, ensuring that the final product meets all performance criteria.

Compliance and Standards Adherence We adhere to industry standards and regulatory compliances such as IPC for PCB design and manufacturing. This adherence guarantees that our designs meet global quality and reliability standards, ensuring that your products are market-ready.

Continuous Learning and Advancement Technology never stands still, and neither do we. Our commitment to continuous learning and advancement means we are constantly updating our skills and tools to stay ahead of the curve. This commitment ensures that our clients benefit from the latest design innovations and technological breakthroughs.

Application of Multilayer PCB

Electronic computing

Medical diagnostic equipment

Multilayer PCB Manufacturing


Industrial control equipment

Precision Multilayer PCB Manufacturing

At LST, our manufacturing capabilities are the cornerstone of delivering high-precision multilayer PCBs. From the inception of a prototype to the final steps of full-scale production, every stage is characterized by meticulous attention to detail and adherence to the highest standards of quality.

Prototyping with Precision Prototyping is a critical phase where we transform your concept into a tangible product. Our rapid prototyping service ensures that each layer of the PCB is fabricated with precision, allowing for timely evaluation and necessary iterations. This step is crucial for identifying potential issues early, ensuring that the design is optimized before full-scale production.

Advanced Fabrication Technology Our manufacturing facilities are equipped with state-of-the-art fabrication technology capable of producing multilayer PCBs with a high degree of complexity. We employ automated processes like laser direct imaging (LDI) and computer numerical control (CNC) drilling to achieve precise line widths and via placements, essential for the functionality of high-density interconnect (HDI) PCBs.

Stringent Quality Control Processes Quality is the linchpin of our manufacturing process. We implement rigorous quality control measures at every step, from the selection of raw materials to the final inspection of the finished PCBs. Our quality assurance protocols include automated optical inspection (AOI), x-ray inspection, and electrical testing to detect and rectify any deviations from the design specifications.

Layer Alignment and Lamination Layer alignment and lamination are crucial for the integrity of multilayer PCBs. We use advanced lamination presses and alignment systems that ensure each layer is perfectly aligned and bonded under optimal temperature and pressure conditions. This process is vital for preventing delamination and ensuring the mechanical stability of the PCB.

Material Quality and Specification We source our materials from reputable suppliers, ensuring that the dielectric substrates, copper foils, and other materials meet our stringent specifications. The quality of these materials is pivotal for the PCB’s performance, particularly in terms of thermal management and electrical properties.

Full-Scale Production Efficiency Scaling from prototyping to full-scale production is seamless with our automated and scalable processes. We can accommodate large orders without compromising on the quality or precision of the PCBs. Our efficient production line is designed to deliver your multilayer PCBs on time, whether it’s a small batch or a large volume order.

Continuous Improvement and Innovation We are committed to continuous improvement and stay abreast of the latest advancements in PCB manufacturing. By investing in research and development, we refine our processes, enhance our capabilities, and deliver innovative PCB solutions that meet the evolving needs of our clients.

Collaboration and Support Our technical support team collaborates closely with clients throughout the manufacturing process. We provide expert guidance and support, from design consultation to post-production follow-up, ensuring that your requirements are fully understood and met.

Choose LST for your multilayer PCB manufacturing needs, and experience the precision, reliability, and quality that drive today’s electronic innovations forward. Let’s build the future together—one layer at a time.

Our Abilities

Assembly TypesComponent TypesFiles Required for Quote and Production
SMT Assembly( with AOI inspection);BGA Assembly(with X-Ray inspection);Through-hole Assembly;SMT& Through-hole Mixed Assembly; Kit Assembly● Passives, smallest size 0201(inch)
● Fine-pitch chips to 0.38mm
● BGA (0.2mm pitch), FPGA, LGA, DFN, QFN with X-Ray testing
● Connectors and terminals
● Turnkey PCB Gerber RS-274X, 274D, or PCB Design file
● Turnkey PCB BOM (Bill of Materials, .xls, xlsx)
● Turnkey PCB Pick-N-Place file / XY file (for production only)
Quality InspectionComponents SourcingOrder Quantity
● AOI Inspection;
● X-Ray Inspection
● Voltage Test;
● Chip Programming;
● ICT Test; Functional Test
● Turnkey PCB Full turnkey (All components sourced by Yingstar);
● Turnkey PCB Partial turnkey;
● Turnkey PCB Kitted/Consigned
● Turnkey PCB 5pcs to 100,000pcs;
● Turnkey PCB From Prototypes to Mass Production
PCB TypesSolder TypesAssembly Lead Time
Rigid PCB
Metal core PCB;
Flex PCB;
Rigid-Flex PCB
Leaded; Lead-Free(Rohs);
Water soluble solder paste
From 8 hours to 72 hours when parts are ready

Reliable Multilayer PCB Supplier

At LST, our reputation as a reliable multilayer PCB supplier is built on the bedrock of a robust supply chain, stringent quality control measures, and an unwavering commitment to timely delivery. We integrate our expertise in multilayer PCB design and manufacturing to ensure that our clients receive products that are not only top-tier in quality but also consistent with their timelines and expectations.

Robust Supply Chain for Consistent Delivery Our supply chain is engineered for resilience and efficiency. With a network of vetted suppliers and logistics partners, we ensure the continuous availability of high-grade materials and components essential for multilayer PCB manufacturing. This strength in supply chain management translates to reliable lead times and the ability to respond swiftly to both standard and urgent client requirements.

Quality Control at Every Step Quality is not just a goal; it is a pervasive ethos that guides our operations. We employ comprehensive quality control measures throughout the multilayer PCB manufacturing process. Starting from incoming material inspection to in-process checks and final verification, every PCB is scrutinized to uphold the highest standards. Advanced testing methods, including automated optical inspection (AOI), in-circuit testing (ICT), and functional testing, are integral to our quality assurance practices, ensuring that every product that leaves our facility exemplifies excellence.

Streamlined Manufacturing for Optimal Outcomes Our manufacturing capabilities are optimized for the delivery of precision multilayer PCBs. We leverage cutting-edge technology and automation to enhance the precision of our PCBs, from the intricate network of traces to the precise vias that interconnect each layer. Our processes are continually refined to improve yield, reduce waste, and maintain consistency across batches, large or small.

End-to-End Design and Manufacturing Integration As a comprehensive multilayer PCB supplier, we integrate our design and manufacturing services to provide seamless transitions from concept to completion. Our design team works in tandem with our production units to ensure that each PCB is manufacturable, aligning with both quality standards and economic efficiency. This integration allows for a smoother workflow and helps to mitigate risks associated with manufacturability early in the design stage.

Timely Delivery with Comprehensive Support Timeliness is crucial in today’s fast-paced market, and our logistical operations are tuned to ensure prompt delivery. We understand the importance of keeping your projects on schedule and are committed to delivering your multilayer PCBs within the agreed timelines. Our customer support team provides regular updates and is always ready to assist with any inquiries or post-delivery support.

Building Trust with Every Layer Trust is the final product of our efforts in multilayer PCB supply. We nurture client relationships with transparency, reliability, and open communication. Our long-standing clients are a testament to our commitment to not just meet but exceed expectations.

Choose LST as your multilayer PCB supplier, and experience the assurance that comes with a partnership dedicated to delivering on its promises. Whether you’re looking for expertise in multilayer PCB design, precision in manufacturing, or reliability in supply, we are here to turn your electronic innovations into reality.

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