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With the development of the electronics manufacturing industry, human beings improve the functions of electronic products through PCB boards. With the development of PCB assembly technologies such as DIP and SMT, we can see that electronic products are getting smaller and smaller, but their functions are becoming more and more powerful. As the best one-stop PCB company in China, FS Tech believes that it is our responsibility to show the world our manufacturing capabilities, assembly capabilities and testing capabilities to do our part for the PCB industry.

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Process flow and introduction of PCB

PCB Process Flow

Almost all electronic devices have PCB boards, from electronic watches commonly used in the home, calculators, communication electronic devices, to military weapon systems, that is to say, as long as there are electronic components such as integrated circuits, in order to interconnect them, we must Use pcb. Let's follow the turnkey PCB assembly company FS Technology to see the classification and process flow of pcb equipment.

PCB production process

FS technology pcb manufacturing process

In the study of large electronic products, the most fundamental success factors are the design, documentation, fabrication and PCB assembly of the product's printed circuit boards. PCB design and manufacturing quality directly affect the quality and cost of the entire product, and even lead to the success or failure of business competition.

PCB manufacturing process: incoming plate→pickling→pump washing→city washing→four brushes with swing plate→high pressure infusion pump washing (20 Kg/cm 2 )→pump cleaning→city washing→suction→drying→drying→discharging.

PCBs provide the following functions in electronic devices:

  1. Provide mechanical support for the fixing and assembly of electronic components such as integrated circuits.
  2. Realize wiring and electrical connection or electrical insulation between various electronic components such as integrated circuits.
  3. Provide the required electrical characteristics, such as characteristic impedance, etc.
  4. Solder mask graphics for automated soldering, identifying characters and graphics for component insertion, inspection and maintenance are provided.

For some companies that do not want to assemble PCBs and want to directly obtain products and start selling, the procurement and welding of PCB components is very troublesome. You can take a look at the FS Technology PCB component procurement capabilities. We can meet the needs of most customers.

Basic terms related to PCB

On the insulating substrate, according to a predetermined design, a printed circuit, a printed element or a combination of two conductive patterns is made, which is called a printed circuit.

On the insulating substrate, electrical connection channels are provided for the components, and the conductive pattern of the device is called a printed circuit. It does not include printed components. Electronic components are assembled by a one-stop PCB assembly company after producing bare PCB boards.

The printed circuit board is called a PCB board, also called a PC board, and the assembled PCB board is called a PCBA board.

Classification of PCB boards

According to the degree of rigidity and flexibility of the substrate: rigid PCB board, flexible PCB board and rigid-flex PCB board.

According to the number of layers of the PCB: single-sided, double-sided and multi-layer printed boards.

High Density Multilayer Circuit Board

The position of conductor pattern and substrate: flat printed board and curved PCB board.

More PC board terms and definitions can be found on the PCB org website or on the PCBA blog of one-stop PCB assembly company FS Technology.

The use of printed boards in electronic equipment avoids errors in manual wiring due to the printed board-like consistency. Through a turnkey PCB assembly company, we can help you realize automatic insertion or installation of electronic components, automatic welding and automatic detection, which ensures the quality of electronic equipment, improves labor productivity, reduces costs, and facilitates maintenance.

Printed circuit boards (PCBs) have developed from single-layer to double-sided, multi-layer and flexible, and have maintained their respective development trends. Due to the continuous development in the direction of high precision, high density and high reliability, and the continuous reduction of size, cost and performance, printed circuit boards will still maintain strong vitality in future electronic equipment development projects.

A sign of the level of PCB technology

The skill level of a turnkey PCB assembly company depends on the fabrication of double-sided and porous metallized printed boards. Specialized Chinese factories can produce double-sided metal printed boards in high volume, and at the intersection of the 2.50 or 2.54 mm standard grid, the number of wires that can be laid between two pads can be marked.

For low-density printed circuit boards with line widths greater than 0.3 mm, there are wires placed between the two pads. Set two wires between the two pads for MDF with a wire width of about 0.2 mm. Three lines are placed between two pads for high density printed circuit boards with line widths of about 0.1 - 0.15mm. Lay four wires between the two pads, which can be calculated as an ultra-high density PCB with a line width of 0.05-0.08 mm.

PCB production and assembly equipment

PCB production and assembly equipment includes deburring machine, double-sided alkaline etching machine, metal chemical cleaning machine, etching production line...

The deburring machine is mainly used for special equipment for deburring, surface oxide layer and purification of printed circuit boards. 30Kg/cm 2 high pressure cleaning pump, can thoroughly remove burrs and surface dirt.

PCB board manufacturing equipment

1. PCB system equipment.
PCB electronic film developing, fixing-image automatic processing machine.
Machine nozzles for developing, electroplating, etching, film removal, etc.
2. PCB machining equipment.
Vacuum Laminating Machine - PCB Substrate Grinding Machine - PCB Forming Machine - PCB Inner Layer Fusion Machine - Automatic Centering Fusion Machine PCBs Stamping Machine.
3. Electroplating/wet process equipment.
Developed etching de-wire-electroless nickel-gold production line-PCB production line.
4. Screen printing/dry process equipment.
Provide various UV curing machine - precision hot air oven, oven - man-machine interface UV - CM - 650 type plate cleaning machine.
FZ J - 60J / FZJ - 80J / F - ZZ - 90J Vertical Flat Screen Printing Machine.
5. PCB testing/quality control equipment.
C MI 900X Fluorescent Coating Thickness Gauge - C CI 563 Surface Copper Thickness Tester
HOLINK precision (ventilated) high temperature testing machine---HO LINK large-scale constant temperature and humidity laboratory.
WALCHEM Automatic Nickel Plating Controller
COMPACT ECO - PCB Type X-Ray Fluorescence Coating Thickness Gauge - Test Fixture Test Bench
SWET - 2100e Solderability Tester - Gold Dot Electronic High Voltage Tester
6. PCB SMT welding installation equipment.
Lead-free all-stainless steel semi-automatic slag reduction machine-automatic spray welding-wave soldering is changed to lead-free operation.
7. Other electronic equipment.
PCB Ink Mixing Equipment - Bidirectional Rotary Ink Mixer - Circuit Board Drilling Wooden Pad and Aluminum - PCB Ink Mixer - Tin Slag Reduction Machine.

 FS Technology's PCB Surface Coating Technology

 

With the development of the electronics manufacturing industry, human beings improve the functions of electronic products through PCB boards. As the best one-stop PCB company in China, FS Tech believes that it is our responsibility to show the world our manufacturing capabilities, assembly capabilities and testing capabilities to do our part for the PCB industry. In order to facilitate the novice in the PCB industry, we will distinguish the blog website according to different types: printed circuit board materialsPCB motorsprinted circuit board printingpcb soldering

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With the development of the electronics manufacturing industry, human beings improve the functions of electronic products through PCB boards. With the development of PCB assembly technologies such as DIP and SMT, we can see that electronic products are getting smaller and smaller, but their functions are becoming more and more powerful. As the best one-stop PCB company in China, FS Tech believes that it is our responsibility to show the world our manufacturing capabilities, assembly capabilities and testing capabilities to do our part for the PCB industry.

In order to facilitate the novice in the PCB industry, we will distinguish the blog website according to different types.

Printed Circuit Board Material

There are blogs about the introduction of printed circuit board materials that are mainly aimed at newcomers to PCBs. This blog mainly starts with raw materials to help you understand how PCBs are manufactured, what materials are used, why these materials are used, what advantages does it have, etc. I believe that through reading these articles, you will have knowledge in this area have a comprehensive understanding

Circuit Board Motor

For a qualified turnkey company, it is our basic skill to have the most professional understanding of PCB motors. When you finish reading the content of this PCB blog, you will be promoted from novice to specialist, which will help your PCB career development. Certain help.

Printed Circuit Board Printing

Learning at this stage is inevitable and necessary. A comprehensive understanding of printed circuit board printing technology allows engineers to master all PCB manufacturing techniques. Engineers who have read the content of this blog site have basically mastered all the manufacturing techniques and have a clear understanding of the manufacturing process.

PCB Welding

Soldering refers to soldering electronic components to the bare PCB board when assembling circuit boards. Many people may have questions: why solder electronic components? Can I just use the PCB board directly? If you do have such a problem, then the content of the pcb soldering website is something you can't miss, it will explain all the assembly process, assembly process, soldering process and so on for you.