TONGZHAN INDUSTRIAL LIMITED
TONGZHAN INDUSTRIAL LIMITED
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Cutting Edge Printed Circuit Board Fabrication Flexible PCB Services
Cutting-Edge PCB Fabrication for Top-Tier Quality and Flexibility
Printed Circuit Board Fabrication Description:
Presenting our cutting-edge Printed Circuit Board Fabrication services, where we deliver robust and adaptable PCBs using a wide variety of reinforcement materials, including PI, FR4, and steel sheet.
Competent in handling large-scale projects, we offer a size capacity of up to 500MM*1000MM. Our diverse selection of insulation materials, such as FR4 board, copper substrate, and PET, guarantees superior electrical performance and reliable heat resistance.
Precision is at the heart of our operations, evident in our strict control over line width and spacing, supplemented by a wide range of solder mask options. We employ both mechanical and laser drilling techniques for precise and clean cuts, complemented by a diverse selection of surface treatments for improved durability and aesthetic appeal.
Our services extend to unique processes like thick copper plates and high-frequency plates, supported by versatile molding methods such as V-cut, CNC, and laser. Choose our PCB Fabrication service for top-tier quality, flexibility, and precision, specifically designed to cater to the complex needs of your projects.
Printed Circuit Board Fabrication Parameters:
Name | Printed Circuit Board Fabrication | Reinforcement type | PI, FR4, steel sheet, 3M glue, the electromagnetic shielding film |
Insulation | FR4 board, aluminum substrate, copper substrate, a ceramic substrate, PI (polycumimine), PET (poly) | Maximum size | 50OMM*1000MM |
Copper foil material | Glue-free calendered copper, rubber-rolled copper, glue-based electrolytic copper | Outer line width/line spacing | 0.065MM( 3MIL) |
number | 1-12 floors | Inner line width/line spacing | 0.065MM(3MIL) |
The finished board is thick | 0.07MM AND ABOVE (TOLERANCE +5%) | Minimum solder mask width | 0.10MM |
The inner layer is thick copper | 18-7OUM (1 ounce copper = 35UM) | Minimum mask bridge width | 0.05MM |
The outer layer is thick copper | 20-14OUM (1 plate copper = 35UM) | Minimum solder mask | 0.45MM |
Solder mask | Red oil, green oil, butter, blue oil, white oil, black oil, matte black oil, yellow film covered white film, black film | Minimum aperture | MECHANICAL DRILLING 0.2MM, LASER DRILLING 0,1MM |
word | Red, green, yellow, blue, white, black silver | Impedance Tolerance | 10% of soil |
Surface treatment | Anti-oxidation (OSP), tin spraying, gold immersion, gold plating, silver plating nickel plating, gold plating finger, carbon oil | Form tolerances | +0.05MM(LASER+0.005MM) |
Special processes | Thick copper plate, impedance plate, high-frequency plate, half-hole plate, orifice plate, hollow plate, single-layer copper foil, cross-sided gold finger plate, soft and hard combination | Molding method | V-cut, CNC, die punching, laser |
Printed Circuit Board Fabrication Factory Introduction:
Tongzhan Industrial Ltd. was established in 2011 in Shenzhen, Guangdong Province. Tongzhan Industrial Ltd. is committed to becoming a leading one-stop EMS supplier company, providing customers with high-quality PCB series products. Tongzhan mainly focuses on high-speed turnkey PCB layout design and PCB assembly services, including PCB design, manufacturing, component procurement, PCBA design and board making, supply chain services, functional testing, conformal paint, complete assembly, etc. Our corporate culture is to serve customers, customers always come first. Customer-oriented, diligent and innovative, honest, happy, transparent, customer-centric, professional, efficient, and win-win. Our employees are passionate. Passion for Science. Passion for technology.
