Printed Circuit Board (PCB) Fabrication is a crucial process in the electronics industry that involves the manufacturing of PCBs, which serve as the fundamental platform for electronic circuits in various devices and systems. The fabrication process transforms raw materials into precisely engineered PCBs that provide electrical connectivity and mechanical support for electronic components.
The PCB fabrication process begins with designing the PCB layout using specialized computer-aided design (CAD) software. Designers determine the arrangement of copper traces, pads, and vias that form the electrical connections and pathways for the components. They also specify the number of layers and overall dimensions of the PCB based on the complexity of the circuit and space constraints.
The next step is to produce the PCB's physical board using a substrate material, typically fiberglass-reinforced epoxy resin known as FR4. The substrate is coated with a thin layer of copper on both sides, forming the conductive layers that make up the PCB.
To create the desired circuit pattern, a layer of photosensitive material called the resist is applied to the copper-coated substrate. The PCB layout data is then used to expose the resist to ultraviolet light, hardening the exposed areas.
After the exposure, the unexposed resist is removed, leaving behind the desired copper traces and pads. The exposed copper is then chemically etched away, precisely defining the circuit pattern on the PCB.
For multilayer PCBs, the process is repeated to create multiple conductive layers. The individual layers are then laminated together under high pressure and temperature to form a single, compact unit.
Next, holes for through-hole components and vias are drilled into the PCB. These holes are plated with a conductive material to establish electrical connections between the different layers of the PCB.
After drilling and plating, the PCB is coated with a protective solder mask. This solder mask covers the entire PCB surface except for the exposed copper pads, preventing solder from flowing where it is not required during the assembly process.
Finally, the PCB undergoes surface finish treatment, such as electroless nickel immersion gold (ENIG), hot air solder leveling (HASL), or immersion tin, to enhance its solderability and protect the copper from oxidation.
PCB fabrication is a critical step in the electronics manufacturing process, ensuring the creation of reliable and high-quality PCBs that form the foundation for electronic devices and systems across various industries. With continuous advancements in fabrication techniques and materials, PCBs continue to play a pivotal role in shaping the future of electronics and driving innovation in a wide range of applications.
Payment & Shipping Terms:
|Type:||Printed Circuit Board Fabrication||Applications:||Electronics Device, Consumer Electronics|
|Special Capability:||Gold Finger Plating, Carbon Ink||PCB Boards:||Ordinary Board, HDI Board, FPC, Rigid-flex Joint Board|
|PCB Assembly:||Turnkey Assembly, Consignment Assembly||Copper Thickness:||0.3-12 Oz|
|Materials:||High-Tg FR4, PTFE, M6,TU862||Surface Finished:||Immersion Gold+OSP, HASL|
|Payment Method:||T/T||Delivery Time:||4 Weeks|
|Whether To Support Customization:||Support||Logistics:||Accept Customer Specified Logistics|
M6 Printed Circuit Board Fabrication,
12oz Printed Circuit Board Fabrication,
M6 Medical Care Flexible Pcb Fabrication
Medical Care Applied To Industrial Control Printed Circuit Board Fabrication
Printed Circuit Board Fabrication Description:
All the components we buy are from the original manufacturer or A-level dealers. This means that we will never use used parts, updated parts, or parts with old date codes.
Printed Circuit Board Fabrication Parameters:
|Copper Thickness||0.3-12 oz|
|Min Mechanical Hole||0.1mm|
|Min Laser Hole||0.075mm|
|Max Aspect Ratio||20:01|
|Max Board Size||650mm*1130mm|
|Min Outline Tolerance||±0.1mm|
|Min PP Thickness||0.06mm|
|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|
Q. What service can you supply?
TongZhan was founded in 2011 and is committed to being a leading one-stop EMS provider. We specialize in high-speed turn-key PCB services: PCB design, Fabrication, Components sourcing, PCBA, and Supply Chain service.
Q. How is the delivery?
Usually, our delivery time is about four weeks, but it depends on the actual situation when we receive your order.
If your order is urgent, please contact us directly, and we will prioritize and do our best to give you a satisfactory delivery time.
Printed Circuit Board Fabrication Introduction:
Our company was founded in 2011. Committed to becoming a leading one-stop EMS supplier. We focus on high-speed turnkey PCB services: PCB design, manufacturing, component procurement, PCBA, and supply chain services. We will focus more on innovation and providing quality products. Our agility enables us to define and redefine our market.
Contact Person: Mr. NICK CHENG