Parasitic resistances are resistances that are not intentionally designed into a circuit, but are created due to circuit layout or component characteristics, for example. They are usually unavoidable and affect the performance and stability of the circuit. Parasitic resistors have the following characteristics: Parasitic resistors are often considered the ‘enemy’ of circuit design due to […]
HDI technology is a cutting-edge PCB (Printed Circuit Board) manufacturing process that offers the significant benefits of high-density layout, high reliability and high integration, with the PCB serving as the cornerstone of electronic component interconnectivity, carrying and solidly connecting all types of electronic assemblies. Through the application of high-density integration HDI technology, can promote the
Allflex PCB, also known as Flexible Printed Circuit Board (FPC), is a type of circuit board that can be completely bent. Folded or curled circuit board. It consists of one or more layers of polyimide film as a substrate, covered with a copper foil layer and a cover film, and the circuit pattern is formed
What is the bend radius of a flexible circuit board? The bending radius of a Flexible Printed Circuit Board (FPC) refers to the fact that when the FPC is bent, the two sides of its centre line are subjected to different types of stress, pressure on the inside and tension on the outside. The magnitude
The stacked construction technique of HDI circuit boards allows multiple circuit layers to be interconnected by means of precisely tuned blind and buried vias, which are significantly smaller in diameter than the through-holes found in conventional PCBs. This fine interconnect mechanism not only reduces board size, but also significantly increases routing density, allowing more electronic
ELIC PCB is one of the HDI products, the full name is every layer interconnection, is the highest end of the HDI products. ELIC boards are commonly stacked for 8 to 14 layers. Any layer interconnection (ALIVH) technology, as the name suggests, is a multi-layer printed circuit board (PCB) can be achieved in any two
Circuit board labels are the PCB (Printed Circuit Board, Printed Circuit Board) technology based on the manufacture of high-frequency RFID tags. PCB tags can be divided into a variety of types according to power, size, frequency and other factors, according to the frequency distinction between ultra-high-frequency PCB anti-metal tags, high-frequency PCB anti-metal tags and so
When designing a printed circuit board (PCB), following basic pcb layout rules is essential to ensure the functionality and performance of the circuit. The basic rules of PCB layout:1.According to the layout strategy of ‘major priority, complexity first’, i.e., the key unit circuits and core components should be arranged first.2.In the layout process, should refer
PCB side plating, also known as pcb edge plating, is a copper plating that is applied from the top to the bottom surface of the board and along (at least) one of the peripheral edges. PCB edge plating is the process of allowing a metallised layer to extend up to the edge of the board
In the production process of electronic products, circuit card assembly testing is a crucial step, which is directly related to the performance and reliability of the product. Circuit card, as a carrier connecting various electronic components, the quality of its assembly directly affects the function of the whole system to achieve. Therefore, a reasonable assembly
In modern electronic equipment manufacturing, the cost of printed circuit boards (PCBs) represents a significant portion of the total product cost. The custom pcb cost per unit fluctuates due to diverse market demands and technological developments. This article will analyse in detail the main factors affecting the custom pcb cost per unit. 1.Material CostThe material
Circuit card assembly (CCA) is thin, flat board of dielectric material with conductive paths or tracks etched on their surface. In order to automate the production of CCAs, surface mount technology (SMT) and through-hole assembly machines are often used. Those responsible for the layout design and assembly of this form of manufacturing must have extensive
Insulate Metal Substrate, as a type of computer motherboard, aims to improve thermal efficiency and mechanical strength by applying metallisation to a thick substrate. It is also known as aluminium substrate, aluminium cladding or metal clad PCB (MC PCB), and even thermally conductive PCB (in fact, all PCBs are thermally conductive). Compared to the regular
Insulate metal substrates are made using a unique insulating material that presses the copper foil of the circuit board to the metal substrate. The metal substrate is specially treated to increase adhesion and resilience, which allows the board to withstand the mechanical and thermal stresses of many applications. The insulating material is a special blend
Semiconductor base material is an indispensable component in the development of contemporary advanced manufacturing, which is widely used in the production of various electronic devices such as transistors, light-emitting diodes and solar cells. In the manufacturing process of semiconductor products, selecting the right substrate is a crucial part of the process, as the quality of
PCB board to be retained on the part of the copper foil pre-plated layer of lead and tin resist layer, and then chemically corrode off the rest of the copper foil, known as etching. So, what are the types of PCB board etching and commonly used etching agents? 1.Types of etching graphic plating method: etching
The printed circuit board switches are the components used to control the switching state of a circuit, also known as a switching circuit board or switch board. It usually consists of one or more triggers and controllers, and is used in circuits to control the on/off state of the circuit, thus acting as a switch
Ceramic pcb materials, with their excellent physical and chemical properties, are increasingly being used in electronics, aerospace, medical and energy applications. In this paper, we will discuss the properties of ceramic pcb materials, their preparation process and their wide range of applications. Currently, commonly used ceramic substrate materials for electronic packaging include alumina (Al2O3), aluminium
A water temp pcb is a circuit assembly specifically designed to monitor and control the temperature of water. Its core function is to ensure that various water-related systems operate efficiently and safely within a set temperature range. Such circuit boards typically contain several key components to enable precise management and regulation of water temperature. ComponentsTemperature
Solder beads refer to the small spherical or dotted solder that appears on the pads or on the metal layer on the backside after SMT circuit board assembly. The diameter of the bead is roughly between 0.2mm and 0.4mm, but there are also more than this range, mainly concentrated around the chip resistive components. The
PCB connector is a key component used in electronic equipment to achieve circuit connection and signal transmission, plays a key role in connecting circuit boards and external devices, and achieving signal and current transmission. In modern electronic products, the design and selection of connectors are critical to the performance, stability and reliability of the entire
HF board refers to special circuit boards with high electromagnetic frequency, which are used in the field of high frequency (frequency greater than 300MHZ or wavelength less than 1 metre) and microwave (frequency greater than 3GHZ or wavelength less than 0.1 metre), and the circuit boards are produced by using some of the processes of
Printed circuit board radio frequency (RF) chip, also known as printed circuit board rf chip, is the core components in the field of wireless communications and are responsible for converting RF signals to digital signals or digital signals to RF signals for wireless transmission of information. RF chips are usually composed of several key parts,
A double sided PCB board (or 2-layer PCB) is a printed circuit board coated with copper on both sides, top and bottom. There is an insulating layer in the middle. To use circuits on both sides, there must be a proper circuit connection between the two sides. The ‘bridge’ between such circuits is called a
