TONGZHAN INDUSTRIAL LIMITED
TONGZHAN INDUSTRIAL LIMITED
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FR4 PCB Prototype Fabrication Service Advancing Rail Transportation
Advancing Rail Transportation Through PCB Assembly Services
PCB Assembly Services Description:
The rail transportation industry has experienced significant advancements thanks to PCB Assembly Services, which provide multi-layer PCBs with carbon ink for essential railway systems. These printed circuit boards are crucial for communication, signaling, and control systems, ensuring safe and efficient rail operations. By utilizing cutting-edge manufacturing and assembly techniques, PCB Assembly Services contribute to the ongoing modernization of rail transportation infrastructure, ultimately improving the overall reliability and performance of railway networks worldwide.
PCB Assembly Services Parameters:
| Item | Technical Parameter |
| Layer | 2-64 |
| Thickness | 0.5-17.5mm |
| Copper Thickness | 0.3-12 oz |
| Min Mechanical Hole | 0.1mm |
| Min Laser Hole | 0.075mm |
| HDI | 1+n+1,2+n+2,3+n+3 |
| Max Aspect Ratio | 20:01 |
| Max Board Size | 650mm*1130mm |
| Min Width/Space | 2.4/2.4mil |
| Min Outline Tolerance | ±0.1mm |
| Impedance Tolerance | ±5% |
| Min PP Thickness | 0.06mm |
| Bow &Twist | ≤0.5% |
| Materials | FR4,High-Tg FR4,Rogers, Nelco,RCC,PTFE, M4, M6,TU862,TU872 |
| Surface Finished | HASL, HASL Pb Free Immersion Gold/Tin/Silver Osp, Immersion Gold+OSP |
| Special Capability | Gold Finger Plating, Peelable, Carbon ink |
PCB Assembly Services Introduction:
The creator of PCB is the Austrian Paul Eisler, who first used printed circuit boards in radios in 1936. In 1943, Americans mostly used this technology in military radios, and in 1948, the United States officially recognized this invention for commercial use. Printed circuit boards have only been widely used since the mid-1950s. Printed circuit boards are found in almost every electronic device. If there are electronic parts in a device, they are all mounted on PCBs of various sizes. The main function of the PCB is to make various electronic components form the connection of the predetermined circuit, which plays the role of relay transmission. It is the key electronic interconnection of electronic products and is known as the "mother of electronic products".
