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  • Printed Circuit Board | Introduction of Silkscreen
    • November 16. 2021

    What Is Silkscreen On a PCB? When you design or order your printed circuit boards, do you need to pay extra for silkscreen? There are some questions you need to know what’s silkscreen? And how important silkscreen is in your PCB Board fabrication or Printed Circuit Board Assembly? Now ABIS will explain for you. What is silkscreen? Silkscreen is a layer of ink traces used to identify components, te...

  • HDI board-high density interconnect
    • November 11. 2021

    HDI board, high density interconnect printed circuit board HDI boards are one of the fastest growing technologies in PCBs and now available in ABIS Circuits Ltd. HDI boards contain blind and/or buried vias, and usually contain microvias of 0.006 or smaller diameter. They have a higher circuit density than traditional circuit boards. There are 6 different types of HDI PCB boards, from surface to su...

  • How to prevent PCB board warping during the manufacturing process
    • November 05. 2021

    SMT(Printed Circuit Board Assembly, PCBA) is also called surface mount technology. During the manufacturing process, the solder paste is heated and melted in a heating environment, so that the PCB pads are reliably combined with surface mount components through the solder paste alloy. We call this process reflow soldering. Most of the circuit boards are prone to board bending and warping when unde...

  • How to make a pcb in panel?
    • October 29. 2021

    1. The outer frame (clamping side) of the Printed Circuit Board panel should adopt a closed-loop design to ensure that the PCB jigsaw will not be deformed after being fixed on the fixture; 2. PCB panel width ≤260mm (SIEMENS line) or ≤300mm (FUJI line); if automatic dispensing is required, PCB panel width×length ≤125 mm×180 mm; 3. The shape of the PCB jigsaw should be as close to the square as poss...

  • Ceramic PCB Board
    • October 20. 2021

    Ceramic circuit boards are actually made of electronic ceramic materials and can be made into various shapes. Among them, the ceramic circuit board has the most outstanding characteristics of high temperature resistance and high electrical insulation. It has the advantages of low dielectric constant, low dielectric loss, high thermal conductivity, good chemical stability, and similar thermal expan...

  • Different Material of Circuit Board
    • October 13. 2021

    The combustibility of a material, also known as flame retardancy, self-extinguishing, flame resistance, flame resistance, fire resistance, flammability and other combustibility, is to assess the ability of the material to resist combustion. The flammable material sample is ignited with a flame that meets the requirements, and the flame is removed after the specified time. The flammability level is...

  • A&Q of PCB (2)
    • October 08. 2021

    9. What is resolution? Answer: Within a distance of 1mm, the resolution of the lines or spacing lines that can be formed by the dry film resist can also be expressed by the absolute size of the lines or spacing. The difference between the dry film and the resist film thickness The thickness of the polyester film is related. The thicker the resist film layer, the lower the resolution. When the ligh...

  • PCB SURFACE FINISHING, ADVANTAGES AND DISADVANTAGES
    • September 28. 2021

    Anyone involved within the printed circuit board (PCB) industry understand that PCBs have copper finishes on their surface. If they are left unprotected then the copper will oxidize and deteriorate, making the circuit board unusable. The surface finish forms a critical interface between the component and the PCB. The finish has two essential functions, to protect the exposed copper circuitry and t...

  • A&Q of PCB, Why solder mask plug hole?
    • September 23. 2021

    1. Why is the BGA located in the solder mask hole? What is the reception standard? Re: First of all, the solder mask plug hole is to protect the service life of the via, because the hole required for the BGA position is generally smaller, between 0.2 and 0.35mm. Some syrup is not easy to be dried or evaporated, and it is easy to leave residues. If the solder mask does not plug the hole or the plug...

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