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Ultrathin BT PCB Manufacturing

Ultrathin BT PCB Manufacturing. Minimum clearance PCB, The finished PCB has high flatness and low warpage. We use low shrinkage coefficient BT material to produce the Ultrathin, Minimum spacing LED PCBs, HDI PCBs, and BGA/IC package substrates from 2 layer to 20 layers.

In modern electronic equipment, ultra-thin BT PCB (Printed Circuit Board) has become an indispensable key component of many high-end products. This article will delve into the design, manufacturing and cost aspects of ultra-thin BT PCB, aiming to provide readers with a comprehensive guide to help them better understand and apply this key technology.

What is ultra-thin BT PCB?

Ultra-thin BT PCB (Printed Circuit Board) is an increasingly important component in the modern electronics field. Its unique design and materials enable it to play a key role in various high-end electronic products. Ultra-thin BT PCB is known for its extremely thin board thickness and excellent performance, providing key support for the lightweight and high performance of electronic devices.

The unique feature of ultra-thin BT PCB is the use of BT (Bismaleimide Triazine) resin as the substrate material. BT resin has many excellent properties, including excellent mechanical properties and high temperature resistance. This resin not only has excellent dimensional stability, but also maintains its structural stability in high-temperature environments, making it ideal for manufacturing ultra-thin PCBs.

The thickness of ultra-thin BT PCB is usually between tens to hundreds of microns, which is thinner than traditional PCB boards. This extremely thin design makes ultra-thin BT PCB widely used in some application scenarios that have strict requirements on size and weight, such as portable electronic devices and smart wearable devices.

Although ultra-thin BT PCB has an extremely thin board thickness, it is not inferior in performance. It has good electrical performance and can provide reliable signal transmission and stable electrical characteristics. In addition, ultra-thin BT PCB also has excellent mechanical strength and can withstand the impact and vibration of the external environment, ensuring the reliable operation of electronic equipment.

Due to its unique design and excellent performance, ultra-thin BT PCB is widely used in many fields. It is often used in the manufacture of high-end smartphones, tablets, laptops, medical equipment and aerospace equipment to provide stable and reliable electronic connections and support for these devices.

Ultra-thin BT PCB has become an important part of the design of modern electronic equipment due to its extremely thin thickness and excellent performance. Using BT resin as the substrate material, ultra-thin BT PCB not only has excellent mechanical properties and high temperature resistance, but can also meet application scenarios with strict size and weight requirements. It is believed that with the continuous advancement of technology, ultra-thin BT PCB will show its strong potential and application value in more fields.

Ultrathin BT PCB Manufacturing

Ultrathin BT PCB Manufacturing

How to design ultra-thin BT PCB?

When designing ultra-thin BT PCB, you first need to consider a series of key factors, including board thickness, wiring density and heat dissipation. These factors will directly affect the performance and stability of the PCB. The following are several important aspects to pay attention to when designing ultra-thin BT PCB:

The thickness of ultra-thin BT PCB is one of the key factors to consider during the design process. Since ultra-thin PCBs are usually used in high-end electronic products, such as smartphones, tablets, etc., the board thickness needs to be reduced as much as possible to meet the requirements of thinner and lighter devices. When selecting the board thickness, it is necessary to balance the stability of the structure and the performance of the circuit to ensure that the board thickness can meet the needs of the equipment without affecting the normal operation of the circuit.

The wiring density of ultra-thin BT PCB is also an issue that requires special attention in design. High wiring density means that more lines need to pass through a limited space, so the layout needs to be planned appropriately to avoid signal interference and electromagnetic interference. When using CAD software for design, you need to pay attention to the direction and distance of wiring and minimize crossovers and overlays to ensure the stability and reliability of the circuit.

Ultra-thin BT PCBs are usually used in high-performance devices, so heat dissipation needs to be considered during the design process. Excessive temperature will affect the performance and life of electronic components, so it is necessary to design a suitable heat dissipation structure to ensure that the circuit can effectively dissipate heat. The heat dissipation effect can be improved by adding radiators, setting heat dissipation holes, and optimizing the layout to ensure the stable operation of the equipment.

In short, designing ultra-thin BT PCB requires comprehensive consideration of factors such as board thickness, wiring density, and heat dissipation to ensure the stability and performance of the circuit. When using CAD software for design, you need to pay attention to details and layout, rationally plan the circuit structure, and avoid signal interference and heat concentration to achieve the best design effect.

minimum clearance led pcb

Ultrathin BT PCB Manufacturing

What is the manufacturing process of ultra-thin BT PCB?

The process of manufacturing ultra-thin BT PCB is similar to traditional PCB manufacturing in many aspects, but due to its ultra-thin characteristics, it requires higher-precision process control and stricter material selection. The following is a detailed introduction to the ultra-thin BT PCB manufacturing process:

The manufacturing of ultra-thin BT PCB starts with material selection and preparation. BT resin as a substrate material needs to undergo strict screening and inspection to ensure its quality and stability. In addition, as the main material of the printed circuit board, the material of the conductive layer also needs to be carefully selected to ensure good conductive performance and reliability.

After the materials are determined, it’s the design and layout stage. Designers need to accurately draw PCB wiring diagrams and component layout diagrams based on customer requirements and product functional requirements. Due to the special requirements of ultra-thin BT PCB, designers need to pay special attention to the density of circuits and the compactness of traces to ensure the best circuit layout in a limited space.

Once the design is completed, it enters the graphic imaging stage. This stage mainly converts the designed circuit diagram into actual graphic images, which is usually completed through computer-aided design (CAD) software. During this process, designers need to carefully check the location and connection of each component to ensure there are no errors or omissions.

After completing the graphic imaging, the next step is the printed circuit layer. This step is to print the designed graphic image onto the BT resin substrate to form a circuit connection pattern. During the printing process, printing accuracy and quality need to be ensured to ensure the smooth progress of subsequent processes.

After the printed circuit layer is completed, it is the chemical etching and cleaning stage. In the chemical etching process, a specific chemical solution is used to etch away the unwanted copper foil, leaving the desired circuit pattern. After etching is completed, thorough cleaning is required to remove the residue generated during the etching process and ensure that the board surface is clean.

After cleaning is completed, the drilling and plating stages follow. At this stage, drilling equipment needs to be used to drill component mounting holes and connection holes, and surface plating is performed to increase the conductivity and corrosion resistance of circuit connections.

The final stage is assembly and testing. At this stage, the components need to be installed on the PCB according to the design requirements, and the electrical performance test is performed to ensure that the circuit connection is normal and there are no short circuits or open circuits. After passing the test, the ultra-thin BT PCB can be put into use.

In general, although the manufacturing process of ultra-thin BT PCB is similar to traditional PCB manufacturing, due to its ultra-thin characteristics, higher-precision process control and stricter material selection are required to ensure the quality and performance of the final product.

What are the manufacturing steps for ultra-thin BT PCB?

The manufacturing steps of ultra-thin BT PCB are key to ensuring product quality. Here’s a detailed look at its main steps:

The manufacturing of ultra-thin BT PCB begins with the material preparation and cutting stages. First, choose high-quality BT resin material because of its excellent thermal stability and mechanical properties. Then, precise cuts are made to ensure that the substrate size and thickness meet the design requirements.

Printing circuit layers on ultra-thin BT PCB requires a special process. Circuit connections are formed by arranging circuit patterns on a thin substrate and using printing technology to print conductive materials such as copper foil onto the surface.

After the circuit layer is printed, chemical etching is performed to remove unnecessary metal and form clear circuit lines. This process requires precise control of etching time and solution concentration to ensure line accuracy and quality. After etching is complete, perform a thorough cleaning to remove residual chemicals and impurities.

Next comes the drilling and plating steps. Through precisely controlled drilling machines, holes are drilled where needed to form through holes for mounting components and connecting different circuit layers. This is followed by electroplating, which involves applying a layer of conductive material to the vias to ensure circuit connectivity and stability.

Finally, assembly and testing are done. In this step, the components are mounted onto the ultra-thin BT PCB and the functionality and performance of the circuit are verified through electrical performance testing. This includes checking connectivity, resistance, capacitance and other electrical characteristics to ensure product quality meets requirements.

These steps are crucial in the manufacturing process of ultra-thin BT PCB, and each step requires precise process control and strict quality inspection to ensure the quality and reliability of the final product.

How much does an ultra-thin BT PCB cost?

The cost of ultra-thin BT PCB is an important consideration in the entire manufacturing process. Its price is affected by many factors, including material cost, process difficulty and order volume. Each of these factors will be discussed below.

First of all, material cost is one of the main factors affecting the price of ultra-thin BT PCB. The BT resin substrate used in ultra-thin BT PCB is slightly more expensive than the FR-4 material used in traditional PCB. BT resin has excellent thermal stability and mechanical properties and can meet the special needs of ultra-thin PCBs. However, its manufacturing cost is high, which will have a certain impact on the final PCB price.

Secondly, process difficulty will also affect the cost of ultra-thin BT PCB. Because ultra-thin PCBs have higher requirements on production processes, more precise processing equipment and technology are needed during the manufacturing process to ensure the accuracy and quality of the circuits. These additional process costs increase the manufacturer’s production costs, which is reflected in the price of the final product.

Finally, order volume is also one of the important factors affecting the price of ultra-thin BT PCB. Generally speaking, higher-volume orders enjoy greater discounts and benefits because manufacturers can reduce unit costs through mass production. On the contrary, small batch orders have relatively high production costs due to their smaller production scale, so the unit price will be relatively higher. Therefore, the size of the order directly affects the final price of ultra-thin BT PCB.

To sum up, the cost of ultra-thin BT PCB is comprehensively affected by multiple factors such as material cost, process difficulty and order volume. Although generally speaking, its price will be slightly higher than that of ordinary PCBs, through reasonable design and production process optimization, costs can be effectively controlled, the cost performance of ultra-thin BT PCBs can be improved, and customers can be provided with more competitive products and services.

What material is the ultra-thin BT PCB made of?

The material used to make ultra-thin BT PCB is crucial because it directly affects the performance, reliability and applicable environment of the PCB. In this regard, BT resin is a common and widely used material that provides excellent properties and advantages for ultra-thin BT PCBs.

BT resin (Bismaleimide Triazine) is a high-performance resin with excellent thermal stability, mechanical strength and chemical stability. This material performs well in high-temperature environments and is able to withstand extreme operating conditions without failing. Ultra-thin BT PCB is an ideal choice for many electronic products that need to operate in high temperature environments for long periods of time.

BT resin, the manufacturing material for ultra-thin BT PCBs, also has some other key properties:

Excellent dimensional stability: BT resin is not prone to thermal expansion at high temperatures, so ultra-thin BT PCB can maintain stable dimensions without circuit distortion or breakage due to temperature changes.

Good electrical properties: BT resin has excellent insulation properties and dielectric constant, which can ensure signal transmission and circuit stability on PCB.

Suitable for high-density wiring: Due to the excellent mechanical properties of BT resin, ultra-thin BT PCB can achieve higher-density wiring design, improving the performance and functionality of the circuit board.

Chemical resistance: BT resin has high chemical resistance and can resist the erosion of chemicals such as acids and alkalis, thereby extending the service life of the PCB.

In general, BT resin, as a substrate material for ultra-thin BT PCB, not only has excellent thermal stability and mechanical properties, but also meets the application needs of high-density wiring and high-temperature environments. Therefore, choosing BT resin as the material for manufacturing ultra-thin BT PCB is a wise choice to ensure the performance and reliability of electronic products.

Who makes ultra-thin BT PCB?

In today’s market, finding a supplier that can provide ultra-thin BT PCB manufacturing services is not a difficult task. Many professional PCB manufacturers are able to meet customer needs and provide customized ultra-thin BT PCB solutions. These suppliers usually have advanced production equipment and extensive manufacturing experience to ensure product quality and customer satisfaction.

When choosing an ultra-thin BT PCB manufacturer, customers should consider the following factors:

First, the manufacturer’s experience and expertise are crucial. Choosing a supplier with many years of PCB manufacturing experience ensures that they can understand and meet customer needs and provide professional advice and support during the manufacturing process.

Secondly, the advanced level of production equipment is also an important factor. Modern equipment can improve production efficiency and product quality, ensuring the accuracy and stability of ultra-thin BT PCB.

In addition, the supplier’s service level is also one of the factors that customers need to consider. Timely response, good communication and perfect after-sales service can improve customer satisfaction and ensure the smooth progress of the project.

As a company that provides ultra-thin BT PCB solutions, we are committed to providing customers with quality products and services. We have advanced production equipment and rich manufacturing experience to meet our customers’ various needs for ultra-thin BT PCBs. Whether it is small batch customization or mass production, we are able to provide high-quality products and ensure on-time delivery. Our team will be dedicated to providing you with the best solutions to meet your needs and achieve a win-win situation.

To sum up, choosing a suitable ultra-thin BT PCB manufacturer is crucial to ensuring product quality and project success. We believe that by working with us, you will achieve satisfactory results and achieve project success. Look forward to working with you!

Five Characteristics of Great Customer Service

In the modern electronics industry, the demand for ultra-thin BT PCBs is growing day by day, and it is crucial for manufacturers to provide excellent customer service. The following are five characteristics that ultra-thin BT PCB manufacturers should have:

Customer needs change all the time, so manufacturers must be able to respond quickly and meet customer requirements. Whether it’s an inquiry about order status, a need for technical support, or other issues, manufacturers should communicate in an efficient manner and provide timely solutions. By responding quickly, manufacturers can establish good cooperative relationships with customers and enhance customers’ trust in the company.

As a PCB manufacturer, it is crucial to have extensive professional knowledge and experience. Customers may encounter various complex technical problems or needs, and manufacturers should be able to provide comprehensive technical support, including advice on PCB design, material selection, process flow, etc. By sharing expertise, manufacturers can help customers better understand product characteristics and provide more precise solutions.

Every customer’s needs are unique, so manufacturers should be able to provide personalized customized services and solutions based on the customer’s specific requirements. This may involve customization of specific sizes, special materials, specific process requirements, etc. Manufacturers need to work closely with customers to understand their needs and flexibly adjust production processes to ensure products can fully meet customer requirements.

Good communication is key to keeping customer relationships strong. Manufacturers should maintain close communication with customers, communicate project progress in a timely manner, understand customer feedback and opinions, and actively respond to customer needs and questions. By establishing open and transparent communication channels, manufacturers can establish good partnerships with customers and jointly promote the smooth progress of projects.

After product delivery, manufacturers should continue to provide comprehensive after-sales services to help customers solve problems that may arise during use. This may include services such as technical support, product warranty, problem resolution, etc. By providing after-sales support in a timely and effective manner, manufacturers can improve customer satisfaction, promote customer loyalty to the enterprise, and lay a good foundation for future cooperation.

To sum up, excellent customer service is one of the key success factors for ultra-thin BT PCB manufacturers. Through timely response, professional knowledge, customized solutions, good communication and comprehensive after-sales support, manufacturers can establish long-term and stable cooperative relationships with customers and achieve a win-win situation together.


What type of components can be used on ultrathin BT PCBs?

Ultrathin BT PCBs can accommodate a wide range of electronic components, including surface-mount devices (SMDs) such as resistors, capacitors, diodes, and integrated circuits (ICs). Additionally, through-hole components can also be used on ultrathin BT PCBs, provided that proper design considerations are taken into account to ensure compatibility with the board’s thin profile.

What is the minimum thickness achievable for ultrathin BT PCBs?

The minimum thickness achievable for ultrathin BT PCBs depends on various factors such as the specific requirements of the application and the capabilities of the manufacturing process. Typically, ultrathin BT PCBs can achieve thicknesses ranging from 0.2mm to 0.6mm, although thinner options may be available depending on the manufacturer’s capabilities and technology advancements.

What is the maximum size limit for ultrathin BT PCBs?

The maximum size limit for ultrathin BT PCBs can vary depending on the manufacturing capabilities of the PCB manufacturer. Generally, ultrathin BT PCBs can be manufactured in sizes ranging from small form factors suitable for wearable devices or IoT applications to larger sizes suitable for consumer electronics or industrial equipment. However, it’s essential to consult with the PCB manufacturer to determine the specific size limitations based on their equipment and production processes.

What components can I use on ultrathin BT PCBs?

Ultrathin BT PCBs are compatible with a wide range of electronic components commonly used in PCB assembly. These components include but are not limited to surface-mount devices (SMDs) such as resistors, capacitors, diodes, and integrated circuits (ICs). Additionally, through-hole components can also be used on ultrathin BT PCBs, provided that the board thickness and design accommodate the component leads and mounting requirements. It’s essential to consult with your PCB manufacturer or assembly service provider to ensure compatibility and proper assembly techniques for your specific components.

What is the minimum thickness of ultrathin BT PCBs?

The minimum thickness of ultrathin BT PCBs can vary depending on the specific application requirements and the capabilities of the PCB manufacturer. Generally, ultrathin BT PCBs can have a minimum thickness ranging from 0.2mm to 0.5mm or even thinner. However, it’s crucial to consider factors such as mechanical stability, thermal management, and the ability to support component mounting and assembly processes when determining the appropriate thickness for your ultrathin BT PCBs.



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