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1. Introduction for Electronic Printed Circuit Board
A printed circuit board is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. Because it is made by electronic printing, it is called a "printing" circuit board.
2. Specification for Electronic Printed Circuit Board
| Material | FR4; Megtron; Arlon; Nelco |
| Layer | 2-20L |
| Copper | 0.5-3oz |
| Surface Treatment | HASL;ENIG |
| Soldermask | Black; Red; Green;White |
| Silkscreen | White, Black |
| Board Thickness | 1.6mm |
3.Process for Electronic Printed Circuit Board
Opening ------ Inner layer ----- lamination----drilling---sinking copper----line--- diagram electric----etching-----resistance welding ---character----spray tin (or immersion gold)-锣 edge-v cut (part of the PCB is not needed)-----fly test----vacuum packaging
4. Characteristics for Electronic Printed Circuit Board
PCBs are becoming more widely used because they have many unique advantages, as outlined below.
Can be high density. For decades, the high density of printed boards has grown with the integration of integrated circuits and advances in mounting technology.
1.High reliability. Through a series of inspections, tests and aging tests, the PCB can be reliably operated for a long period of time (usually 20 years).
Designability. For the various performances of PCB (electrical, physical, chemical, mechanical, etc.), the design of printed boards can be realized through design standardization and standardization, with short time and high efficiency.
2.Productivity. With modern management, it can standardize, scale (quantify), automate and other production, and ensure product quality consistency.
3.Testability. Established relatively complete test methods, test standards, various test equipment and instruments to detect and identify PCB product qualification and service life.
4. Assemblyability. PCB products not only facilitate the standardized assembly of various components, but also can be automated, large-scale mass production. At the same time, the PCB and various component assembly components can be assembled to form larger components and systems up to the complete machine.
5. Maintainability. Since PCB products and various component assembly components are produced in a standardized design and scale, these components are also standardized. Therefore, once the system fails, it can be replaced quickly, conveniently and flexibly, and the system can be quickly restored. Of course, you can say more about it. Such as miniaturization and weight reduction of the system, high-speed signal transmission, and the like.
Product Details:
Payment & Shipping Terms:
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| Material: | FR-4 | Layers: | 4 Layers |
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| Board Thickn: | 1.0mm | Copper: | 1oz |
| Highlight: | FR4 Printed Circuit Boards,Printed Circuit Boards 1.0mm,4 Layers PCB Assembly |
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FR4 Printed Circuit Boards 1oz Copper 1.0mm 4 Layers PCB Assembly Electronic Printed Circuit Board
Detail Specifications:
To get a full quotation of the PCB/PCBA, pls provide the information as below:
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What KAZ Circuit can do for you:
Electronic printed circuit board (PCB) assembly process
PCB design and manufacturing:
Work with PCB designers to create schematics and layouts for electronic PCBs.
Consider factors such as component placement, trace routing, and design rules during layout.
Send the design files to the PCB manufacturer for manufacturing, specifying the required layers, materials, and finishes.
Receive the bare PCB from the manufacturer and inspect it for any defects or issues.
Component Procurement and Preparation:
Determine the electronic components required for the PCB, such as integrated circuits (ICs), resistors, capacitors, and connectors.
Purchase the necessary components from an authorized distributor or directly from the manufacturer.
Prepare components for assembly, ensuring they are correctly oriented and lead-free (if applicable).
Automated PCB assembly:
Apply the solder paste to the PCB using a stencil printing process or an automated dispenser.
Electronic components are accurately placed on the PCB using pick and place machines.
Reflow soldering is performed in a controlled lead-free environment to form reliable solder joints.
For through-hole components, use automated insertion and soldering equipment.
Inspection & Quality Control:
Visually inspect the assembled PCB to ensure correct component placement and solder joint quality.
Perform electrical tests such as continuity checks, resistance measurements, and power-on tests to ensure the PCB is functioning properly.
Implement additional quality control measures, such as automated optical inspection (AOI) or x-ray inspection, to detect any hidden defects.
Optional selective soldering:
For specific components or areas of the PCB, use selective soldering techniques such as hand soldering or selective wave soldering.
This method is typically used for components or rework and repairs that are difficult to solder using the reflow process.
Conformal coating and packaging:
A protective conformal coating is applied to the assembled PCB to enhance its environmental and mechanical resilience.
In some cases, PCBs may be encapsulated in potting compound or underfill material to provide additional protection and support.
Final checks and tests:
Extensive functional testing is performed to ensure that the assembled PCB meets all design specifications and requirements.
Conduct environmental testing such as thermal cycling, humidity, and vibration to verify PCB reliability and durability.
Document all test results and retain detailed quality records for traceability.
Packaging and shipping:
Pack the PCB in an appropriate container or enclosure for safe shipping and storage.
Provide any necessary documentation, such as assembly instructions, schematics, and test reports, to accompany the PCB.
Key considerations for electronic PCB assembly:
Comply with industry standards and guidelines for PCB design and manufacturing
Use high quality, reliable components and materials
Automation and process control to ensure consistent, repeatable assembly
Rigorous inspection and testing throughout the entire assembly process
Sturdy packaging and shipping methods to protect PCBs during transit
The electronic PCB assembly process is designed to create reliable, high-quality PCBs that meet the needs of a variety of electronic applications. A combination of automated assembly techniques, quality control measures and protective measures ensure PCB performance, durability and long-term functionality.
More photoes of 2 layers FR4 1.0mm 1oz Immersion Gold printed circuit board PCB
Contact Person: Mrs. Helen Jiang
Tel: 86-18118756023
Fax: 86-755-85258059
