Active Member
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[China]
Address: Room 1803, Middle Block,Fujing Building, Fuzhong Road, Futian district, Shenzhen China 518016 New website: https://www.tongzhanpcba.com/
Contact name:NICK CHENG
TONGZHAN INDUSTRIAL LIMITED |
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Tailored PCB Production to Meet Your Unique Design Requirements
Innovative PCB Fabrication For Unsurpassed Quality And Flexibility
Importance Of Printed Circuit Board Manufacturing:
1. Connection and support: PCB provides connection and support between electronic components, allowing them to work together. Electronic devices cannot function properly without PCBs.
2. Compact and space-saving: PCB allows electronic components to be arranged in a smaller space, thereby achieving a compact design of electronic equipment. This is critical for mobile devices and embedded systems.
3. Production efficiency: The standardized PCB manufacturing process improves production efficiency and reduces costs. This makes it possible to mass-produce electronic devices.
4. Reliability: Carefully designed and manufactured PCBs can provide highly reliable electronic devices, reducing the risk of failure and repair.
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.
