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BT Materials for Chip-LED PCB

BT PCB Manufacturer.BT PCB Manufacturer specializes in the production of high-quality printed circuit boards (PCBs) tailored to meet diverse industrial needs. With state-of-the-art facilities and cutting-edge technology, they offer customized solutions for various applications, ensuring reliability and efficiency. Their expertise spans from single-layer to multi-layer PCBs, catering to clients across sectors such as telecommunications, automotive, aerospace, and consumer electronics. Committed to excellence, BT PCB Manufacturer prioritizes precision engineering, stringent quality control measures, and timely delivery, making them a trusted partner for businesses seeking superior PCB solutions.

In modern electronics manufacturing, material selection is critical to circuit board design. Among them, BT (Bismaleimide Triazine) substrate material has become an ideal choice for manufacturing Chip-LED PCB due to its unique performance and characteristics. BT substrate is known for its high temperature stability, mechanical strength and electrical properties, providing strong support for the development of LED technology.

In Chip-LED PCB design, BT substrate plays a vital role. Its excellent performance in electromagnetic performance, thermal management and stability make it the first choice for LED chip packaging. By introducing BT substrate, it can not only improve the performance of LED, but also enhance the reliability of LED in various application scenarios.

The high-temperature stability of the BT substrate enables it to withstand the high-temperature working environment of the LED chip, ensuring that the LED equipment maintains excellent performance during long-term operation. Its superior mechanical strength also helps resist external shock and vibration, improving the durability of LED products. In electronic equipment, the electrical performance advantages of BT substrates further enhance the electrical performance of LEDs and achieve more efficient energy utilization.

Overall, the use of BT substrates in Chip-LED PCB is not only an improvement in technology, but also a positive response to sustainable development goals. In this field full of challenges and opportunities, BT substrate, as a key material choice, promotes continuous innovation in LED technology and the Packaging Substrate.

These are the de facto standard materials for Chip-LED use. They excel in high reflectivity of visible light. And, they are very suitable for wire-bonding because of its stable mechanical properties at elevated temperatures and high heat resistance for longer term. In addition, they are halogen free materials.

Copper Clad Lamminates Prepregs CCL Thickness Prepreg Thickness
CCL-HL820WDI 0.04, 0.05, 0.06,
0.1-1.0(0.1step), 0.46


White material with high reflectance of visible light, much suitable for chip LED substrate.Less discoloration after heat treatment and light irradiation.


BT Smallest pads to pads gap PCB(White core white soldermask)

Typical applications


Typical properties of Materials

Item Condition Util HL820WDl
Dielectric Constant 1MHz A
1GHz A 5.7
Dissipation Factor 1MHz A
1GHz A 0.020
Insulation Resistance C-96/20/65 Ω 5×10¹³ˉ¹⁵
Surface Resistance C-96/20/65 Ω 5×10¹³ˉ¹⁵
Volume Resistivity C-96/20/65 Ω・cm 5×10¹⁴ˉ¹⁶
Flexural Strength Warp A MPa 480
Fill A MPa 470
Flexural Modulus Warp A GPa 23
Fill A GPa 22
Tensile Strength Warp A MPa 290
Fill A MPa 280
Young’s Modulus Warp A GPa 25
Fill A GPa 24
Glass Transition Temp DMA A 210
TMA A 180
Cofficent of Thermal Expansion Warp, Fill A ppm/℃ 15
Z(α1, α2) A ppm/℃ 45/180
Peel Strength 12μ A KN/m 101
18μ A KN/m 1.1
Flame Resistance UL94 E-168/70 HB

What is BT PCB?

This integration involves strategically placing the Bluetooth chip, antenna, and other key components on the circuit board to establish an efficient and reliable Bluetooth connection.

The BT PCB design is meticulously tailored to meet the specific requirements of Bluetooth technology, ensuring the stability and high performance of wireless communication. This includes precision placement of the Bluetooth chip to minimize signal transmission paths, thereby reducing signal loss. Simultaneously, the design of the onboard antenna is carefully crafted to optimize signal reception and transmission efficiency.

To guarantee optimal performance across diverse environments and usage conditions, manufacturers typically employ advanced materials and processes. These materials not only deliver superior electrical performance but also address challenges such as temperature variations and humidity effects that electronic equipment may encounter.

Power optimization is another crucial design consideration for BT PCBs, especially considering Bluetooth’s widespread use in mobile devices. The design aims to minimize power consumption, extending battery life through intelligent power management of the Bluetooth chip and other circuit components. This entails achieving a balance between energy efficiency and high performance.

In essence, the BT PCB serves as a wireless connection support hub for various electronic devices. Its meticulous design and integration of Bluetooth technology ensure stable and efficient wireless communication, providing a robust foundation for the interconnection of modern electronic devices.

What types of BT PCB are there?

BT PCB (Bluetooth Printed Circuit Board), a crucial component supporting Bluetooth technology, comes in various types, including single-layer, double-layer, and multi-layer boards, each showcasing distinctive characteristics tailored for different applications and scenarios.

To begin, the single-layer BT PCB is commonly employed in uncomplicated electronic devices, particularly in cost-effective and basic-function Bluetooth devices. Its straightforward structure and cost-effective manufacturing make it well-suited for scenarios where a minimal number of layers suffice. However, its drawback lies in its limitation to accommodate a substantial number of circuit components, rendering it most suitable for relatively straightforward electronic products.

Moving on, the double-layer BT PCB offers greater design flexibility and can accommodate a more extensive array of circuit components. This makes it an ideal choice for moderately complex Bluetooth devices. The dual-layer structure enhances flexibility in wiring between the upper and lower layers of the circuit board, mitigating interference between circuits. Consequently, this type of BT PCB finds application in numerous mid-range Bluetooth devices, including consumer electronics and various industrial applications.

Finally, multi-layer BT PCB is a highly complex and flexible design, often used in Bluetooth devices that require high performance and complex wiring. The multi-layer structure provides more space, allowing circuit designers to better design signal isolation, power distribution and heat dissipation. This makes multi-layer BT PCB suitable for high-end Bluetooth products such as advanced communication equipment and complex medical electronic devices.

Each BT PCB type has its unique advantages and limitations in design and manufacturing, and circuit designers need to choose the most appropriate type based on specific application scenarios and requirements. Single-layer, double-layer and multi-layer BT PCB provide flexible and diverse options for the application of Bluetooth technology, promoting its wide application in different fields. At different levels of design, BT PCB demonstrates its importance in the electronic field and provides a solid foundation for innovation and technological progress.

BT Smallest gap PCBs

BT Smallest gap PCBs(black core and black soldermask)

What are the advantages of BT PCB?

First of all, the high degree of integration of BT PCB is one of its eye-catching features. By integrating various components required for Bluetooth technology into the design, BT PCB effectively reduces the overall size of the electronic device. This highly integrated design makes BT PCB an ideal choice for miniaturized devices, providing possibilities for innovative mobile devices and smart wearable technology.

Secondly, low power consumption is an important advantage of BT PCB. Bluetooth technology is famous for its low power consumption characteristics, and BT PCB is designed to further optimize power consumption. This means that electronic devices can use energy more efficiently and extend battery life when connected via Bluetooth. This feature is critical for mobile devices and devices that rely on battery power.

The miniaturized design, high integration, and low power consumption of BT PCBs collectively offer increased flexibility in electronic device design. The compact size contributes to a lighter device, while the combination of high integration and low power consumption allows for advanced functionality without compromising performance or battery life.

An additional significant advantage of BT PCBs is their robust reliability. Rigorous testing and quality control measures during the design and manufacturing phases ensure the stable operation of BT PCBs under diverse environmental conditions. This reliability factor positions BT PCBs as the preferred choice for applications demanding exceptional stability and dependability, such as medical equipment and industrial control systems.

Finally, BT PCB exhibits better wireless connection performance. By optimizing circuit layout and antenna design, BT PCB can provide faster and more stable Bluetooth connections. This is crucial for the cooperative working of different components in modern electronic devices, especially in scenarios where high-speed data transmission or real-time communication is required.

Overall, BT PCB has promoted the development of modern electronic equipment with its series of advantages such as high integration, low power consumption, miniaturization, strong reliability and better wireless connection performance. In the constantly innovative electronics market, BT PCB will continue to play a key role in providing more powerful and efficient wireless communication capabilities for various devices.

Why choose BT PCB instead of other circuit boards?

First and foremost, BT PCBs excel in seamlessly integrating with Bluetooth technology. Through specialized design, BT PCBs effectively incorporate Bluetooth modules, antennas, and other essential components, resulting in a highly integrated circuit board. This integration not only reduces the overall device size but also enhances the compactness of the circuit layout, facilitating the implementation of complex Bluetooth communication systems within confined spaces.

Furthermore, BT PCBs demonstrate exceptional performance in ensuring stable connections between devices. Employing specialized signal processing and antenna design, BT PCBs mitigate interference and signal attenuation, ensuring devices can maintain reliable Bluetooth connections across diverse environments. This capability is particularly crucial for applications requiring prolonged or high-frequency communication, such as Bluetooth headsets and smart home devices.

Additionally, BT PCBs optimize power consumption control to ensure low power usage when connected. This aspect is especially significant for mobile devices reliant on Bluetooth technology, as energy-efficient designs contribute to prolonged battery life and an extended device lifespan, thereby enhancing the overall user experience. 

In addition, BT PCB also shows excellent performance in data transmission. By using advanced transmission protocols and optimized data processing algorithms, BT PCB can achieve higher data transmission rates and improve communication efficiency between devices. This makes BT PCB capable of meeting various challenges in scenarios that require large amounts of data transmission, such as high-definition audio transmission or file sharing.

Overall, the reason for choosing BT PCB over other boards is its design and performance specifically optimized for Bluetooth technology. Its advantages such as high integration, stable connection, low power consumption and efficient data transmission make BT PCB a key factor in achieving outstanding achievements in the field of wireless communications, meeting the continuous iterative needs of modern electronic devices for high-performance Bluetooth communications.

What is the manufacturing process of BT PCB?

The manufacturing process of BT PCB is a highly precise and demanding process, involving the design and preparation of multi-layer boards and the integration of Bluetooth antennas. The key steps in this complex process are detailed below.

First of all, the first step in manufacturing BT PCB is to design the multilayer board. At this stage, engineers must accurately plan the circuit graphics for each layer to ensure smooth connections and communication between each layer. This requires a high degree of precision and technical level to meet the requirements of the circuit design. At this stage, any slight mistake can cause the board to degrade or the entire device to fail.

The next phase involves the production of multilayer boards, a critical step that demands meticulous selection of the appropriate substrate and lamination process. For BT PCBs, materials reinforced with glass fiber and possessing excellent electrical insulation properties, like BT (Bismaleimide Triazine) PCBs, are commonly employed. Manufacturers must meticulously ensure uniform adherence in each layer, meticulously checking for any bubbles or impurities across the board’s surface. Maintaining a consistently high level of quality requires stringent process control.

Following the design and preparation of the multilayer board, the integration of the Bluetooth antenna emerges as a pivotal stage in BT PCB manufacturing. Given Bluetooth’s wireless transmission characteristics, the antenna’s design and placement profoundly impact overall device performance. Engineers must precisely calculate the antenna’s length and shape to optimize signal reception and transmission, demanding a high degree of precision and electromagnetic knowledge to achieve optimal antenna performance within the confined space.

The culmination of the manufacturing process involves rigorous quality control and testing. Each BT PCB undergoes thorough inspection to eliminate manufacturing defects, utilizing high-resolution optical inspection equipment to scrutinize each layer for subtle issues. Performance verification is conducted through electrical testing, necessitating precision instrumentation and technical expertise to ensure compliance with design standards.

In summary, the manufacturing process of BT PCBs is a sophisticated integration of multiple key steps. Precision and process control are imperative at every stage, encompassing design, fabrication, antenna integration, and quality control, ensuring optimal performance and reliability in the final product. The successful execution of this manufacturing process is paramount to ensuring the excellence of BT PCBs in the realm of wireless communications.

In what fields is BT PCB used?

The BT PCB (Bluetooth Printed Circuit Board) serves as a fundamental component underpinning Bluetooth technology, playing an essential role in the realm of wireless communication equipment. Its widespread application extends across various fields, including Bluetooth headsets, smart home devices, wireless keyboards, and mice, acting as a technological cornerstone for the advancement of these domains.

Bluetooth Headphones: Wireless Music Sharing

In contemporary life, Bluetooth headsets have become indispensable companions. The incorporation of BT PCBs in Bluetooth headsets liberates them from cumbersome wired connections, enabling users to freely indulge in high-quality music and experience truly wireless audio. The high integration and low power consumption of BT PCBs contribute to making Bluetooth headsets more lightweight and portable, ensuring prolonged usage on a single charge.

sets more lightweight and portable, and can provide long-term use on a single charge.

Smart Home Devices: The Hub for Connecting Your Home

The rise of smart home devices is inseparable from the support of BT PCB. From smart lamps to smart door locks, these devices are interconnected through Bluetooth technology. The role of BT PCB in smart homes is similar to the nervous system. Through its efficient wireless connection, various devices can quickly respond to instructions and achieve intelligent control. This seamless connection brings convenience to users and improves the intelligence level of home life.

Wireless Keyboard and Mouse: Freedom on the Desk

In the office environment, BT PCB gives wireless keyboards and mice greater freedom. Through BT PCB, the keyboard and mouse can be connected to the computer wirelessly, eliminating cumbersome cables and making the desk more tidy and orderly. At the same time, the low power consumption characteristics of BT PCB make the wireless keyboard and mouse more energy-saving and efficient during long-term use.

How did BT PCB become an integral part?

In these fields, the key reason why BT PCB has become an indispensable part lies in its high degree of integration, reliability and excellent support for wireless communication. BT PCB not only achieves stable connections between devices, but also provides the possibility of lightweight and portability of devices through its miniaturization and highly integrated features. In the era of wireless communications, BT PCB is undoubtedly one of the key driving forces for connecting various devices and promoting technological progress.

Overall, the wide application of BT PCB in Bluetooth headsets, smart home devices, wireless keyboards and mice, etc., has brought a more convenient and efficient experience to our life and work, demonstrating its huge potential in the field of wireless communications. 

How to get high quality BT PCB?

To begin, an experienced PCB manufacturer typically boasts a rich history and a portfolio of success stories. Scrutinizing a supplier’s background allows for an assessment of its level of expertise and proficiency in BT PCB manufacturing. A close examination of past projects, particularly those related to Bluetooth technology, provides valuable insights into the supplier’s reliability and specialization in this domain.

Equally crucial is the evaluation of the supplier’s production capabilities. An outstanding supplier should feature advanced production equipment and technology to guarantee the creation of high-quality, precision-engineered BT PCBs. Delving into their manufacturing processes, quality control protocols, and advancements in process technology offers a comprehensive understanding of their production prowess.

Finally, establishing effective communication channels with suppliers is also key to ensuring project success. The ability to communicate in a timely manner and obtain clear feedback helps resolve potential issues and ensure a smooth production process. Establishing a partnership and ensuring that the supplier understands and meets your needs will give your BT PCB project a greater chance of success.

Selecting a reliable supplier for high-quality BT PCB involves a thorough evaluation of factors such as their experience, production capabilities, customization services, stability, and communication skills. Careful consideration in these areas is essential to guarantee the success of your project and the acquisition of a high-performance BT PCB that aligns with your expectations.

What factors need to be considered when quoting BT PCB?

When obtaining a quote for BT PCB, there are several factors that need to be carefully considered to help ensure that you receive a reasonable and accurate estimate. Here are some of the main factors to look at when evaluating BT PCB quotes:

Design complexity stands as a significant determinant in the quotation process for BT PCBs. Intricate designs often necessitate more layers and advanced techniques, introducing heightened complexity to the manufacturing process. For instance, designs calling for multi-layer boards, blind vias, or other specialized processes can impact production costs for the manufacturer. Thus, it is essential, before seeking a quotation from a supplier, to have a thorough comprehension of your design, enabling a more precise assessment of the manufacturing difficulty and associated costs.

Secondly, material selection is another important consideration. Be sure to weigh performance and cost when selecting materials, and clearly communicate your special requirements to your supplier.

Finally, production volume is the third key factor affecting BT PCB quotation. Generally speaking, mass production is less expensive because equipment and human resources can be better utilized. Therefore, when you know your production volume, you can get a corresponding quote more accurately. Communicate fully with your suppliers to clarify your expected production volumes so that they can provide corresponding offers and customized solutions.

To ensure you get the most reasonable BT PCB quote, it is crucial to work closely with your supplier. Establish good communication channels and share details about designs and requirements so that suppliers can more fully understand your needs. Suppliers are often able to provide professional advice and help you make informed decisions on design and material selection to minimize costs.

BT PCB Frequently Asked Questions (FAQs)

Before delving into the details of BT PCB (Bluetooth Printed Circuit Board), let’s address some frequently asked questions that are commonly on the minds of readers. These inquiries often revolve around topics such as the stability of Bluetooth connections and strategies for optimizing power consumption.

How does BT PCB ensure the stability of Bluetooth connection?

The design of BT PCB focuses on the stability of Bluetooth connection. Through precise antenna layout, reasonable circuit path planning and suppression of signal interference, BT PCB can provide reliable Bluetooth connections. In addition, high-quality manufacturing processes and material selection are also key to ensuring connection stability.

How does BT PCB optimize power consumption to meet the battery life requirements of wireless devices?

BT PCB has multiple optimization strategies in terms of power consumption. First, use low-power chips and modules to reduce overall power consumption. Secondly, through intelligent sleep and wake-up mechanisms, the device achieves extremely low power consumption in non-working states. Finally, by optimizing the power management circuit, we ensure that the device can minimize power consumption during operation, thereby extending battery life.

Is BT PCB compatible with different versions of Bluetooth standards?

Yes, modern BT PCBs often support multiple Bluetooth versions. Designers select chips and modules with backward compatibility in mind to ensure devices can connect seamlessly with different versions of Bluetooth devices. This compatibility is one of the reasons why BT PCB is widely used in various applications.

Does BT PCB support design flexibility to accommodate different device layouts and shapes?

Yes, BT PCB usually has high design flexibility. Its flexible design and multi-layer board structure make it possible to adapt to different equipment layouts and shapes. This makes BT PCB ideal for integrating Bluetooth technology in a variety of devices.

What are the considerations for BT PCB antenna design?

Antenna design is key to ensuring the stability of Bluetooth connections. The antenna layout and design of BT PCB need to consider the physical shape, material, operating frequency and other factors of the device. Generally, various designs such as PCB antenna and ceramic antenna are used to meet the needs of different devices.

These questions and answers cover some core aspects of BT PCB design and application. While having an in-depth understanding of BT PCB, I hope these answers can help readers better understand and apply this technology and provide support for the development of the wireless communication field.

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