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Many modern electronic devices wouldn’t be able to function without printed circuit boards (PCBs). They are the foundation of your phone, laptop, car navigation system, medical equipment, and more. And they’re incredibly durable, being able to withstand a lot of heat and moisture without breaking apart. Regardless of the complexity of your design, you can rely on a reputable PCB manufacturer to get you the circuit boards you need within a reasonable amount of time.
PCBs are a complex, multi-layered structure that is actually made out of a dielectric composite material. The composite is usually comprised of a fiberglass reinforced epoxy resin with a woven or non-woven, glass fiber, paper, or other filler to provide additional strength. A copper layer, which can be either foil or a full-on copper coating, is added to the substrate, acting as its “skeleton.” The rest of the PCB is formed by various types of traces, pads, and connectors, all of which connect the copper to the other components on your board.
The number of layers in a pcb circuit board, its size (either rigid or flex), and the type of fabrication process are all important factors that can influence the cost and lead times for manufacturing pcb circuit board. In addition, if your design requires special materials, such as heavy copper weights or high-speed traces, that will also drive up the price. Lastly, any certifications that may be required for your project will need to be in order before you can begin production, which can add an extra week or so to the overall lead time.
What are the typical lead times for manufacturing pcb circuit board?
Before a PCB can be manufactured, it must undergo a series of specialized processes. These are typically done through a combination of additive and subtractive methods. During the additive process, the bare laminate is covered with a photosensitive film, then exposed to light through a mask to image the pattern. After the mask is removed, the exposed areas of the bare laminate are sensitized in a chemical bath that allows copper ions to bond with them. Finally, the copper is etched and finished with a protective surface finish, either HASL or ENIG.
It is also important to note that the thickness of the copper used on a PCB can affect its performance, so it is vital to follow design guidelines. For example, minimum trace widths and spacing, via sizes, and copper weight should all be met to ensure the integrity of your design.
When working with a PCB prototype and assembly company, ensuring you are using the most up-to-date design files is essential to getting your board made in a timely manner. This will prevent any delays caused by a lack of current information.
Having strong relationships with your PCB production partners is essential to getting your board to market as quickly as possible. NPI Services is just a phone call or email away, and can help you resolve issues with component lead times, find form-fit-function cross references/multi-sourcing, and ensure your assembly is on schedule.
