Author: Grace

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Best soldering methods for printed circuit boards
ByGrace January 11, 2025January 10, 2025
1 Tinning effect When hot liquid solder dissolves and penetrates the metal surface to be soldered, it is called tinning of the metal or tinning of the metal. The molecules of the mixture of solder and copper form a new alloy that is partly copper and partly solder. This solvent effect is called tinning, which…
Read More Best soldering methods for printed circuit boards
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How to restore the circuit diagram according to the circuit board
ByGrace January 11, 2025January 10, 2025
When we get a product, we often don’t have a circuit diagram. So, in this case, how can we clearly explain the principle and working conditions of the circuit board? This is to restore the physical object to the circuit schematic diagram. When encountering some small physical objects, or when there is a need when…
Read More How to restore the circuit diagram according to the circuit board
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Basic methods to minimize RF effects during PCB interconnect design
ByGrace January 11, 2025January 10, 2025
The interconnection of the circuit board system includes three types of interconnection: chip to circuit board, interconnection within the PCB board, and between the PCB and external devices. In RF design, the electromagnetic characteristics at the interconnection point are one of the main problems faced by engineering design. This article introduces various techniques for the…
Read More Basic methods to minimize RF effects during PCB interconnect design
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Development of layout and routing technology
ByGrace January 11, 2025January 10, 2025
With the application of new hardware technologies such as microvias and monolithic high-density integrated systems, new software such as free-angle routing, automatic layout and 3D layout and routing will become one of the essential design tools for circuit board designers. In early circuit board design tools, there was a special layout software for layout and…
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Thermal transfer paper for circuit boards
ByGrace January 11, 2025January 10, 2025
Nowadays, more and more electronics enthusiasts own computers, and using computer software to design PCB diagrams is fast and beautiful. Designers can design any printed board diagram by dragging the mouse, eliminating the tedious processes of engraving, drawing, and tracing. However, it still takes a lot of work to make a satisfactory design into a…
Read More Thermal transfer paper for circuit boards
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Assembly and Rework of BGA Components
ByGrace January 11, 2025January 10, 2025
Most manufacturers agree that ball grid array (BGA) devices have undeniable advantages. But some issues in this technology remain to be discussed further rather than immediately implemented, because it is difficult to trim the solder ends. The interconnect integrity of BGA can only be tested by X-ray or electrical test circuit methods, but both methods…
Read More Assembly and Rework of BGA Components
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Analyze the routing rate and design efficiency skills of PCB design
ByGrace January 11, 2025January 10, 2025
1.Determine the number of layers of PCB The size of the circuit board and the number of wiring layers need to be determined at the beginning of the design. If the design requires the use of high-density ball grid array (BGA) components, the minimum number of wiring layers required for the wiring of these devices…
Read More Analyze the routing rate and design efficiency skills of PCB design
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Anti-interference design rules in PCB design process
ByGrace January 11, 2025January 10, 2025
PCB is the support for circuit components and devices in electronic products. It provides electrical connections between circuit components and devices. With the rapid development of electronic technology, the density of PCB is getting higher and higher. The quality of PCB design has a great impact on the anti-interference ability. Therefore, when designing PCB, the…
Read More Anti-interference design rules in PCB design process
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PCB (printed circuit board) board composition and industry chain
ByGrace January 11, 2025January 10, 2025
Methods and steps for making your own PCB boardCircuit board corrosion method: Corrosive liquid is generally made of ferric chloride and water. Ferric chloride is a yellowish brown solid and is easy to absorb moisture in the air, so it should be sealed and stored. When preparing ferric chloride solution, 40% ferric chloride and 60%…
Read More PCB (printed circuit board) board composition and industry chain
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78% of hardware failures are caused by welding problems
ByGrace January 11, 2025January 10, 2025
Have you been entangled in the failure analysis of circuit boards for a long time? Do you spend a lot of energy in the process of sample debugging? Have you doubted your original correct design?Perhaps many hardware engineers have had similar psychological dialogues. Data show that 78% of hardware failures are caused by poor welding…
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Methods and techniques for PCB board dissection
ByGrace January 11, 2025January 18, 2025
PCB board dissection is an important part of PCB design. However, since it involves sandpaper grinding (a harmful type of work) and line drawing (a simple repetitive labor), many designers are reluctant to do this work. Even many designers think that PCB board dissection is not a technical job, and junior designers can do this…
Read More Methods and techniques for PCB board dissection
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Methods and techniques for PCB board dissection
ByGrace January 11, 2025January 10, 2025
PCB board dissection is an important part of PCB design. However, since it involves sandpaper grinding (a harmful type of work) and line drawing (a simple repetitive labor), many designers are reluctant to do this work. Even many designers think that PCB board dissection is not a technical job, and junior designers can do this…
Read More Methods and techniques for PCB board dissection
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Using parameter constraints for PCB design
ByGrace January 10, 2025January 9, 2025
Today, PCB design considers more and more complex factors, such as clock, crosstalk, impedance, detection, manufacturing process, etc., which often requires designers to repeat a lot of layout, routing, verification and maintenance work. The parameter constraint editor can compile these parameters into formulas to help designers better handle these sometimes even conflicting parameters during the…
Read More Using parameter constraints for PCB design
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A brief analysis of the reliability of printed circuit boards
ByGrace January 10, 2025January 9, 2025
One of the basic functions of printed circuit boards is to carry the transmission of electrical signals. The study of the reliability of printed circuit boards is to study whether its basic functions are not lost or some of its electrical performance indicators are not decayed, that is, the durability of its functions. This paper…
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Analysis of welding defects of printed circuit boards (PCBs)
ByGrace January 10, 2025January 9, 2025
1.Introduction Welding is actually a chemical treatment process. Printed circuit boards (PCBs) are the support for circuit components and devices in electronic products, and they provide electrical connections between circuit components and devices. With the rapid development of electronic technology, the density of PCBs is getting higher and higher, and the layers are getting more…
Read More Analysis of welding defects of printed circuit boards (PCBs)