Product Description

Most of us are familiar with a PCB board.  What does it stand for?   Printed Circuit Board.  The extra "board" is a reminder we sometimes throw on there to remember which acronym we are using. 

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Product Detail

PCB and FPCB are two of many acronyms in the world of circuitry. 
Most of us are familiar with a PCB board.  What does it stand for?   Printed Circuit Board.  The extra "board" is a reminder we sometimes throw on there to remember which acronym we are using.  Just like it sounds a Printed Circuit Board is a multi-layerd board which holds the circuitry for a device.  It is capable of high current transmissions and performing multiple functions simultaneously.  Both PCBs and FPCs can be found in a wide variety of devices and from Apple to Android systems.  If you tear apart your lap-top (not recommended) you will be looking at a PCB - most likely several working together.
FPC stands for Flexible Printed Circuitry.  Instead of being printed on a stiff multi-layered board FPC is printed on a flexible "plastic" sheet.  In reality, these sheets are much more complicated and involve the use of copper films and other conductive "traces" such as silver-trace printed and layered on a flexible surface.
The "trace" looks like an ink on the "plastic" surface when in reality it is much more sophisticated.  Those "inks" contain electricity conducting materials which take the place of wires and soldering.  The simplicity we desire for an easy-to-use device requires greater complexity in design.  Getting things to work correctly and keeping them that way takes place at the design phase and knowing which "trace" material, on which flexible sheet material to use.  There are also a wide variety of non-conductive shielding materials (sprays and layers) to cover, protect and shield the circuitry from electrical interference, break-down and weather.  Each of these has specific benefits and applications depending on the product. 
A PCBA (Printed Circuit Board Assembly) is the board after all the components and parts have been soldered and installed on the PCB and now can accomplish the electronic function it was designed for.

PCBA Quotation = PCB/FPC Cost + Stencil Cost + Components Cost + Assembly Cost + Flashing/Testing Cost.
1. PCB/FPC Cost: The price is according to the PCB layer, dimension, quantity, pads finish and your other requirements, you can check the price here. 
2. Stencil Cost: The stencil is used for the soldering of SMD components. The price can be checked here, we will use the best stencil type for you accroding to the project. Please also note Elecrow will keep the stenil for three months and it won't be shipped with the assembled boards without extra requirement.
3. Component Cost: This cost is for the components provided by Elecrow. The quotation sheet given by the project manager will include exact quote for each kind of part, and it's up to you which parts to be provided by us and which parts not. 
4. Assembly Cost: The price is affected by many factors such as the number of SMT pads, the number of THT pads, and the quantity of the boards. You can get the estimated price from the "PCBA Online Estimate Quote system". 
5. Flashing/Testing Cost: According to the consumption of time, testing jig, and the necessary equipment for the project.
We will send you a detailed quotation sheet with above costs after receiving your RFQ and necessary files. Please note that the price calculated from "PCBA Online Estimate Quote system" is for reference only, the final price depends on the quotation sheet sent by the project manager.

What information you need to offer
Please send the following information to contacter: 
1. PCB/FPC Gerber files.
2. BOM of your project.
3. Quantity and PCB specification.
4. Parts mapping for soldering with parts machine, or a simple mapping for hand soldering.
5. Coordinate file for machine pick up parts.
6. Your specific requirements, or some tips you want to share with us to avoid mistakes.
7. Testing Plan.
8. Your shipping address and shipping method you want, DHL/FedEx/OCS/registered air mail supported.

Different Types of Printed Circuit Boards
PCBs have copper tracks to connect the holes where the various components are located They are specially designed for each and every circuit and build construction very easy. Though, making the PCB necessitates special tools. The different types of printed circuit boards mainly include the following
• Single Sided PCBs
• Double Sided PCBs
• Multilayer PCBs
• Rigid PCBs
• Flex PCBs
• Rigid-Flex PCBs

Double Sided PCB
 Double-sided PCB is much more familiar than single-sided boards. Both sides of the board’s substrate include metal conductive layers, and elements attach to both sides as well. Holes in the PCB let circuits on a single side to attach to circuits on the other side.
This kind of circuit boards used to connect the circuits on every side using one of two techniques: through-hole & surface mount technology. Through-hole technology engages feeding small wires, called as leads through the holes & soldering every end to the suitable component.
Surface mount technology is different from through-hole technology, it does not utilize wires. In its place, many little leads get soldered straight onto the board. Surface mount technology permits many circuits to be complete in a lesser space on a board, meaning the board can execute more functions, typically at a lesser weight and at faster speeds than through-hole boards let.

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