aluminum pcb
Speaking of copying boards, you may think that there is no technical content, but those who have really copied should have a deep understanding that it is not that simple. PCB copying has no software and can only be measured and drawn with a caliper, which is slow and has poor accuracy. It is very…
1.The FR-4 we often choose is not the name of a material The “FR-4” we often refer to is a code for a flame-resistant material grade. It means that the resin material must be able to extinguish itself after burning. It is not a material name, but a material grade. Therefore, there are many types…
In electronic devices, from small electronic watches and calculators to large computers, general electronic equipment, and military weapon systems, as long as there are electronic components, PCBs are used for interconnection between them. Printed Circuit Board (PCB), commonly known as PCB, is one of the important components of electronic products. The main function of PCB…
Take LVDS signal as an example to explain the common optimization methods for high-speed signals in PCB design: LVDS (Low Voltage Differential Signaling) is a low-swing differential signal technology that enables signals to be transmitted at a rate of several hundred Mbps on differential PCB line pairs or balanced cables. Its low voltage amplitude and…
In the eyes of some people, the work of PCB layout engineers is a bit boring. Every day, they have to deal with thousands of traces on the board, various packages, and repeat the work of pulling wires… In fact, it is not as simple as it seems. Designers have to make trade-offs between various…
Perhaps we will wonder, the substrate of the circuit board has copper foil only on two sides, and the middle is an insulating layer, so do they not need to be connected between the two sides or multiple layers of the circuit board? How can the lines on both sides be connected together to allow…
This article explores the latest advancements in PCB manufacturing techniques and technologies, highlighting innovations that enhance efficiency, precision, and sustainability in the production process for printed circuit boards.
Generally, there are several reasons for copper cladding. (1).EMC. For large-area ground or power copper cladding, it will play a shielding role. Some special grounds, such as PGND, play a protective role. (2).PCB process requirements. Generally, in order to ensure the electroplating effect or lamination deformation, copper is laid on PCB layers with less wiring….
Blistering is one of the more common quality defects in the production process of circuit boards. The complexity of the production process and process maintenance of circuit boards, especially in chemical wet treatment, makes it difficult to prevent blistering defects on the board surface. Based on many years of actual production experience and service experience,…
The main factor that determines the quality and positioning of a board is the surface treatment process. For example, OSP tin spraying, gold plating, and immersion gold. Relatively speaking, immersion gold is for high-end boards. Due to its good quality, immersion gold is also relatively costly. Therefore, many customers choose the most commonly used tin…
The solder mask is the soldermask, which refers to the part of the printed circuit board that is to be painted with green oil. In fact, this solder mask uses a negative output, so after the shape of the solder mask is mapped to the board, it is not the green oil solder mask that…
Some substrates may absorb moisture and some of the resin may not be properly cured when pressed into substrates. In this way, the drilling quality may be very poor due to the insufficient strength of the resin itself, and there may be a lot of drilling pollution or serious tearing of the resin on the…
Today, we will introduce three special routing techniques for PCB. The following will explain the routing of PCB LAYOUT from three aspects: right-angle routing, differential routing, and serpentine routing: 1.Right-angle routing (three aspects) The impact of right-angle routing on signals is mainly reflected in three aspects: first, the corner can be equivalent to the capacitive…
This article explores strategies to enhance efficiency and quality in PCB assembly and manufacturing. It provides insights into best practices, innovative technologies, and process improvements to streamline production and ensure high standards.
Discover how turnkey PCB electronics solutions streamline production processes, enhance efficiency, and reduce time-to-market. Learn about the benefits and best practices for leveraging these comprehensive services in your projects.
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