Coplanarity, or the degree of co-planarity of the pins, refers to the deviation of the ends of the pins of an SMT component relative to an ideal plane. Ideally, all pins should be completely coplanar so as to ensure good contact with the PCB pads during the placement process. Insufficient coplanarity may lead to poor […]
In the design and manufacture of circuit boards, pcb dimensions tolerance is a very critical issue that directly affects the effectiveness and performance of the circuit board.PCB board dimensional tolerances refer to the range of deviations allowed on the basis of set standard dimensions.Usually the dimensional tolerances of pcb plates are categorized into maximum and
What is solder flux? Flux is a substance that helps soldering of electronic components, and at the same time protects the soldered parts and prevents oxidation. Common fluxes are rosin-based mixtures that remove oxides from the solder and the soldered surface, thereby reducing surface tension and improving solderability. Solder flux according to its form can
Flexible aluminum pcb refers to the aluminum as the substrate, through a variety of ways to enhance the flexibility of the material of a material. The addition of other elements, the modulation of the organizational structure and the treatment of the surface can improve the flexibility of the aluminum substrate without affecting its thermal conductivity
Flex PCB coverlay is an insulating protective layer covering the surface of the flexible printed circuit board, playing a role in protecting the surface conductors and increasing the strength of the substrate. The protective material of the outer layer of graphics, there are generally two types to choose from. The first type is dry film
Aluminum substrate pcb is a kind of metal-based copper cladding board with good heat dissipation function. Generally, the single panel consists of three layers of structure, which are circuit layer (copper foil), insulation layer and metal base layer. For high-end use, there are also designed for double-sided boards, the structure of the circuit layer, insulation
Soldering tinning is an important industrial raw material for connecting electronic components in soldered circuits. It is a kind of solder with a low melting point, mainly referring to the solder made of tin-based alloy. The production method of soldering tin is to melt the ingot first, and then pressure processed into material. An important
Circuit boards are an integral part of modern electronic equipment, and they are usually subjected to a variety of processes during production, such as drilling, surface treatment, gold sinking, soldering, etc., as well as being exposed to a variety of contaminants and chemicals. Therefore, cleaning circuit boards is necessary to remove surface contaminants and improve
Teflon material is polytetrafluoroethylene, the Chinese name Teflon, Teflon is a resin, the chemical name is called polytetrafluoroethylene, is the ethylene (C2H4) in the four hydrogen (H) are replaced by fluorine (F), into tetrafluoroethylene (C2F4), and then formed by polymerization. Since Teflon is made of carbon and fluorine atoms and does not contain hydrogen, it
Waterproofing electronic circuit boards means that the environment around and within water can prevent the equipment from being damaged by moisture or immersion in water. Generally, the waterproofing of circuit boards is realized by applying waterproof coatings. At the same time, in the design and installation of circuit boards, it is also necessary to consider
A 4 layer PCB, or four-layer printed circuit board, adds two internal copper layers to form a signal layer and a power layer compared to a double-layer PCB. As a result, the components on the PCB can be arranged more densely, resulting in smaller packages, higher levels of integration, and better immunity to interference. At
What is a heat sink in PCB? A heat sink is a component made of a thermally conductive metal with a large surface area. It is usually connected to pcb components, including power transistors and switching devices. The function of this part is to absorb and dissipate heat. PCB heat sinks work through the principle
What is LTCC?LTCC is Low temperature cofired ceramic, low temperature cofired ceramic technology. Low temperature cofired ceramic technology (LTCC: low temperature cofired ceramic) is a multilayer circuit made by stacking unfired cast ceramic materials together, with printed interconnect conductors, components, and circuits inside, and sintering the structure into an integrated ceramic multilayer material. LTTC utilizes
SIP (System in Package) and SOC (System on Chip) as two important trends in PCB design, their development not only affects the performance and size of the product, but also has a far-reaching impact on the future direction of the entire electronics industry. SoC is System on Chip. From a narrow perspective, SoC is the
Microwave circuit board is a special kind of circuit board, which has good performance for the transmission of high-frequency signals. Compared to general printed circuit boards, it has a more unique circuit layer structure, commonly single, double and multilayer. Microwave circuit boards (high-frequency boards), refers to the specific microwave substrate copper-clad boards, the use of
What is Solder Paste Inspection?SPI, or Solder Paste Inspection, is a technique for inspecting the solder paste printing aspect of SMT processing. It evaluates the printing quality of solder paste by measuring the volume, area, height and other parameters of the paste on the circuit board, so that problems such as insufficient, excessive or offset
Solder mask in pcb, is also called PCB solder mask film in flexible circuit boards, using green, yellow, red, black, blue and other photosensitive inks sprayed on the surface of the PCB circuit board.Solder Mask is a protective layer applied to the surface of a circuit board that prevents short circuits from occurring when other
Silicon chip is silicon wafers used to make silicon semiconductor circuits, the original material of which is silicon. High purity polycrystalline silicon is dissolved and doped into silicon crystal seeds, which are then slowly pulled out to form cylindrical single crystal silicon. Silicon crystal rods are ground, polished, and sliced to form silicon wafers, also
Cirucit board transparent is a new type of circuit board material whose main components are PET (polyester film) and ITO (Indium Tin Oxide) film. Compared to traditional circuit boards, transparent circuit boards have higher transparency, compressive strength and stability. Transparent circuit boards can be customized into different shapes and structures according to customer requirements and
A bypass capacitor is a capacitor connected in parallel with a part or component in a circuit. It provides a selective low-impedance path that allows current, signal, or noise to bypass a particular part or component. A bypass capacitor can improve the performance of a circuit by adjusting its capacitance to selectively direct signals or
PCB Resistor Calculator, also known as Chip Fixed Resistor, is a tool for calculating the resistance value of chip resistors. It can calculate the required chip resistor type and resistance value according to the user’s input parameters such as resistance value, accuracy, package type, and so on. Using Chip Resistor Calculator allows you to easily
A ground plane antenna is a low-frequency antenna used for the transmission of radio waves, and is mainly used in ground plane communication systems to transmit low-frequency electromagnetic wave signals. A ground plane antenna is a low frequency antenna used in ground wave communication systems to transmit low frequency electromagnetic wave signals. Ground plane antenna
A microprocessor is a central processor consisting of one or a few large-scale integrated circuit. These circuits perform the functions of control and arithmetic logic components. The microprocessor is the arithmetic control part of a microcomputer, and can perform operations such as fetching and executing instructions, as well as exchanging information with external memory and
PCB silver plating is the plating of silver on the circuit board, which can play a role in protecting the pads and increase the conductivity of the circuit board. The advantage of silver plating is the ability to control board impedance and reduce signal attenuation of high frequency signals. In addition, silver plating has good
