Green PCB Supplier Custom Made Circuit Boards Rohs HASL Surface

Full Feature Top PCB Supplier Custom Made Circuit Boards

Basic information:

Custom printed circuit board

The name of circuit board: circuit boards, PCB board, aluminum board, high frequency board, thick copper board, impedance board,ultra-thin circuit boards, printing (copper etching technology) circuit boards. Circuit board made the circuit mini, intuitive, for the fixed-circuit production and optimization of electrical layout plays an important role. (printed circuit board) PCB (Flexible printed circuit board) FPC circuit board (FPC circuit board, also known as flexible circuit board Flexible circuit board is a poly High reliability, excellent flexible printed circuit board with high wiring density, light weight, thin thickness, good bending characteristics! And flex and rigid combination plate (reechas, Soft and hard combination plate) -FPC and PCB birth and development, gave birth to the flex and rigid combination board this new product. Therefore, the flex and rigid combination board, is a flexible circuit board and rigid circuit board, through the pressure and other processes, according to the relevant process requirements together to form a FPC characteristics and PCB characteristics of the circuit board.

The types of custom circuit board

Board divided by the number of layers, cab be single sided pcb, double sided pcb, and multi-layer pcb circuit board

First, the single-sided PCB, in the most basic PCB, the parts concentrated in one side, the wire is concentrated in the other side. Because the wire only appears in one side, so called the PCB called single-sided circuit board. Single-sided panels are usually made simple, low cost, but the shortcomings can not be applied to too complex products.

Double-sided panel is a single-panel extension, when the single-layer wiring can not meet the needs of electronic products, it is necessary to use the double panel. Both sides are covered with copper traces, and can be through the hole to turn between the two layers of the line, so that the formation of the required network connection.

A multilayer board is a printed circuit board having three or more conductive pattern layers interposed therebetween with insulating material interposed therebetween, and in which the conductive patterns are interconnected as required. Multi-layer circuit board is the electronic information technology to high-speed, multi-function, large capacity, small size, thin, lightweight direction of the product.

According to the characteristics of the circuit board, then divided into flexible pcb board (FPC), rigid pcb board (PCB), flex and rigid combination board (FPCB).

Custom PCB Introduction:

A printed circuit board (PCB) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate. Components – capacitors, resistors or active devices – are generally soldered on the PCB. Advanced PCBs may contain components embedded in the substrate.

PCBs can be single sided (one copper layer), double sided (two copper layers) or multi-layer (outer and inner layers). Conductors on different layers are connected with vias. Multi-layer PCBs allow for much higher component density.

FR-4 glass epoxy is the primary insulating substrate. A basic building block of the PCB is an FR-4 panel with a thin layer of copper foil laminated to one or both sides. In multi-layer boards multiple layers of material are laminated together.

printed circuit boards are used in all but the simplest electronic products. Alternatives to PCBs include wire wrap and point-to-point construction. PCBs require the additional design effort to lay out the circuit, but manufacturing and assembly can be automated. Manufacturing circuits with PCBs is cheaper and faster than with other wiring methods as components are mounted and wired with one single part. Furthermore, operator wiring errors are eliminated.

When the board has no embedded components it is more correctly called a printed wiring board (PWB) or etched wiring board. However, the term printed wiring board has fallen into disuse. A PCB populated with electronic components is called a printed circuit assembly (PCA), printed circuit board assembly orPCB assembly (PCBA). The IPC preferred term for assembled boards is circuit card assembly (CCA), and for assembled backplanes it is backplane assemblies. The term PCB is used informally both for bare and assembled boards.

Custom PCB process:

Double Sided HASL pcb board / immersion gold board Production process:

Shape cutting -----Drilling-----PTH -----Circuit -----Figure electric -----Etching----Solder mask----Silk screen-----HASL(ENIG)----Routing-----V-cut-----Testing----Vacuum packaging

Double Sided gold-plated pcb board production process:

Shape cutting----- Drilling -----PTH-----Circuit-----Figure electric-----Gold plated-----Etching-----Solder mask-----Silk screen-----Routing----V-cut-----Testing-----Vacuum packaging

Multi-layer PCB HASL / immersion gold PCB Production process:

Shape cutting---- Inner layer----Stack up----Drilling----PTH----Circuit----Circuit  -----Figure electric -----Etching----Solder mask----Silk screen-----HASL(ENIG)----Routing-----V-cut-----Testing----Vacuum packaging

Multilayer plate gold plate production process:

Shape cutting----Inner layer----Stack up----Drilling----PTH----Circuit----Circuit  -----Figure electric -----Etching----Solder mask----Silk screen-----HASL(ENIG)----Routing-----V-cut-----Testing----Vacuum packaging

Custom Circuit Boards Composition:

Circuit board mainly by the pad, vias, mounting holes, wires, components, connectors,filler, Electrical boundary

Pad: A metal hole used to solder the pins of a component.

Through-hole: There are metal vias and non-metallic vias, in which the metal vias for connecting the components between the layers of the pin.

Mounting Holes: For securing the circuit board.

Wires: An electrical network copper foil used to connect the pins of a component.

Connectors: Components used for connection between circuit boards.

Filling: for the ground network of copper, can effectively reduce the impedance.

Electrical Boundary: Used to determine the size of the board, all the components on the circuit board can not exceed the boundary. .

Customized pcb application:

The application of a customized PCB can vary widely depending on the specific requirements and purpose of the project. Here are some common applications where customized PCBs are used:

1,Consumer Electronics: Custom PCBs are widely used in various consumer electronic devices such as smartphones, tablets, laptops, gaming consoles, wearable devices, audio/video equipment, and home automation systems.

2,Industrial Automation: Customized PCBs find extensive application in industrial automation systems, including programmable logic controllers (PLCs), motor control systems, robotics, process control systems, and instrumentation.

3,Internet of Things (IoT): With the increasing popularity of IoT, customized PCBs play a crucial role in enabling connectivity and smart functionality in IoT devices such as sensors, actuators, gateways, and edge devices.

4,Automotive Electronics: Custom PCBs are used in various automotive applications, including engine control units (ECUs), infotainment systems, advanced driver assistance systems (ADAS), navigation systems, and lighting control modules.

5,Medical Devices: Customized PCBs are essential in medical devices such as patient monitoring systems, diagnostic equipment, imaging systems, implantable devices, and medical wearables.

6,Aerospace and Defense: PCBs designed for aerospace and defense applications require high reliability, ruggedness, and adherence to stringent quality standards. They are used in avionics systems, satellite communication systems, radar systems, and military equipment.

7,Renewable Energy: Customized PCBs are utilized in renewable energy systems such as solar inverters, wind turbine control systems, energy monitoring systems, and battery management systems.

8,Research and Development: Custom PCBs are often used in research and development projects across various domains, including prototyping of new electronic devices, experimental circuits, and proof-of-concept designs.

These are just a few examples, and the applications of customized PCBs are not limited to these areas. PCBs are a fundamental component in almost all electronic devices and systems, and customization allows for optimized performance, integration, and functionality tailored to specific requirements.

To design a customized PCB, you'll need to follow these general steps:

Schematic Design: Create a schematic diagram of your circuit using a PCB design software. This step involves selecting and connecting the desired components, such as microcontrollers, sensors, ICs, resistors, capacitors, etc. If you already have a schematic, you can skip this step.

1,PCB Layout Design: Once the schematic is complete, you'll need to create the physical layout of the PCB. This involves placing the components on the board and routing traces to connect them according to the schematic. Consider factors like component placement for optimal signal flow, power and ground planes, and any mechanical constraints.

2,Component Placement: Carefully place the components on the PCB layout, taking into account factors such as signal integrity, thermal management, and space constraints. Ensure proper clearances between components and adherence to design guidelines for each component.

Routing: Establish connections between components by routing traces on the PCB. Pay attention to signal integrity, impedance control, and avoiding signal crosstalk. Use appropriate trace widths, vias, and layer stack-up to meet your design requirements.

3,Design Rule Check (DRC): Run a design rule check to ensure your PCB layout complies with the fabrication and assembly constraints. This step helps identify errors or violations like clearance violations, unconnected nets, or overlapping components.

Gerber File Generation: Generate the necessary Gerber files from your PCB design software. These files contain the manufacturing information for the PCB, including copper layers, solder mask, silkscreen, drill files, and more.

4,PCB Fabrication: Send the Gerber files to a PCB manufacturer or fabricator to produce the physical PCB. Choose a manufacturer that suits your requirements in terms of quality, cost, and turnaround time. Provide them with any additional specifications such as material type, board thickness, surface finish, and quantity.

5,PCB Assembly: Once you receive the fabricated PCBs, you can proceed with the assembly stage. This involves soldering the components onto the PCB. You can either do it yourself if you have the necessary skills and equipment or outsource it to a PCB assembly service.

It's important to note that designing a customized PCB requires knowledge of electronics, PCB design principles, and proficiency in PCB design software. If you are new to PCB design, it may be helpful to consult with an experienced engineer or work with a professional PCB design service.

If you have any specific requirements or questions during the design process, feel free to ask for assistance.