How Is National Day celebrated in China?

Bicheng Company Celebrates National Day in China with Cutting-Edge Hybrid PCB Innovation

On the occasion of China's National Day, which falls on October 1st each year, Bicheng Company, a pioneer in advanced PCB supplier, is proud to unveil a groundbreaking hybrid PCB featuring a fusion of Rogers RT/duroid 5880 and RO4003C materials. This innovative 4-layer PCBs is designed to cater to high-frequency applications with unparalleled performance characteristics.

National Day Celebrations in China

National Day in China, also known as Chinese National Day, is a day of immense significance, commemorating the founding of the People's Republic of China in 1949. The celebrations are marked by various activities that showcase patriotism, unity, and the rich history of the nation.

The day typically begins with an official flag-raising ceremony at Tiananmen Square in Beijing, attended by prominent government officials and dignitaries. Elaborate military parades exhibiting China's military prowess and technological advancements are a highlight of the celebrations. Spectacular fireworks displays illuminate the skies across major cities, creating a festive atmosphere.

Public events such as cultural performances, art exhibitions, and concerts are organized nationwide to engage citizens in the spirit of celebration. Streets and buildings are adorned with national flags and patriotic decorations, symbolizing unity and pride. Families come together for gatherings, feasting, and quality time, while many people travel domestically during the Golden Week holiday.

Television channels broadcast special programs and documentaries that delve into China's rich culture, history, and achievements, fostering a sense of national identity and pride. Educational institutions conduct activities to educate students about the significance of National Day, instilling a deep appreciation for the country's heritage.

Bicheng's Revolutionary Hybrid PCB: RT/duroid 5880 and RO4003C

Bicheng Company's latest innovation combines the exceptional properties of RT/duroid 5880 and RO4003C materials, setting new benchmarks in PCB technology. RT/duroid 5880, a high-frequency laminate by Rogers, boasts a low dielectric constant and minimal dielectric loss, making it ideal for high-frequency and broadband applications. The reinforced PTFE composites with glass microfibers ensure uniform Dk across the board.

On the other hand, Rogers 4003C materials offer a cost-effective solution with tight control over dielectric constant and low loss characteristics. The proprietary woven glass reinforced hydrocarbon/ceramic blend provides performance akin to PTFE/woven glass while simplifying manufacturing processes. Notably, RO4003C materials do not require special treatments, enhancing efficiency and reducing costs.

Key Features and Specifications

RT/duroid 5880:

Dielectric constant of 2.2 with tight tolerance of 0.02 at 10 GHz/23°C

Dissipation factor of 0.0009 at 10 GHz

Temperature coefficient of dielectric constant (TCDk) of -125 ppm/°C

Low moisture absorption of 0.02%

Isotropic properties for consistent performance

RO4003C:

Dielectric constant of DK 3.38 +/- 0.05 at 10 GHz

Dissipation factor of 0.0027 at 10 GHz

Thermal conductivity of 0.71 W/m/°K

CTE matched to copper with low Z-axis coefficient of thermal expansion

High glass transition temperature (Tg) exceeding 280°C

Low moisture absorption of 0.06%

PCB Stackup and Construction Details

The hybrid PCB features a 4-layer stackup with precise specifications to ensure optimal performance and reliability. The stackup includes copper layers, Rogers 5880, RO4450F prepreg bondply, and RO4003C material. With meticulous attention to detail in copper layer thickness, board dimensions, trace/spaces, and via sizes, this PCB is tailored for high-frequency applications.

Applications and Global Availability

The Rogers duroid 5880 and RO4003C hybrid circuit board from Bicheng Company finds applications in a wide range of fields, including commercial airline broadband antennas, microstrip and stripline circuits, millimeter wave technologies, radar and guidance systems, and point-to-point digital radio antennas. Compliant with IPC-Class-2 standards, this advanced PCB is available worldwide, promising reliability and superior performance.

In conclusion, as Bicheng Company introduces the revolutionary RT/duroid 5880 and RO4003C hybrid circuit materials on the occasion of China's National Day, it symbolizes a blend of technological innovation and national pride. Embracing progress and celebrating achievements, Bicheng Company reaffirms its commitment to excellence in the PCB industry.