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    • Detail PCB through hole, back drilling points

      Detail PCB through hole, back drilling points

       Through hole design of HDI PCB In high speed PCB design, multi-layer PCB is often used, and through hole is an important factor in multi-layer PCB design. The through hole in PCB is mainly composed of three parts: hole, welding pad area around hole and POWER layer isolation area. Next, we will u...
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    • 16 kinds of PCB weld defects

      16 kinds of PCB weld defects

      Every day has learned a little of PCB and I believe I can become more and more professional in my work. Today, I want to introduce 16 kinds of PCB weld defects from appearance characteristics, hazards, causes.   1.Pseudo Soldering Appearance characteristics: there is an obvious black boundary bet...
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    • Metal Coating

      Metal Coating

      In addition to the wiring on the substrate, the metal coating is where the substrate wires are welded to the electronic components.In addition, different metals also have different prices, different will directly affect the cost of production;Different metals also have different weldability, con...
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    • Some special processes for producing PCB ( I )

      Some special processes for producing PCB ( I )

      1. Additive Process The chemical copper layer is used for the direct growth of local conductor lines on the non-conductor substrate surface with the assistance of an additional inhibitor. The addition methods in the circuit board can be divided into full addition, half addition and partial additi...
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    • Happy Christmas

      Happy Christmas

       As the holiday season approaches, we’d like to take this opportunity to thank you for your continued partnership. It is business associates like you who make our jobs a pleasure and keep our company successful.        May your holiday season and New Year be filled with much joy, happiness...
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    • Global Printed Circuit Board (PCB) Inspection Equipment Market Insights Report 2019 – 2025 : Gardien, Manncorp, Nordson

      The Global Printed Circuit Board (PCB) Inspection Equipment market research provides a basic overview of the industry including definitions, classifications, applications and industry chain structure. The Global Printed Circuit Board (PCB) Inspection Equipment market analysis is provided for the ...
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    • PCB Industry Terms and Definitions– Power Integrity

      PCB Industry Terms and Definitions– Power Integrity

      Power integrity (PI) Power Integrality, referred to as PI, is to confirm whether the voltage and current of Power source and destination meet the requirements. Power integrity remains one of the biggest challenges in high-speed PCB design. The level of power integrity includes chip level, chip pa...
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    • PCB plate percolation occurs during dry film plating

      PCB plate percolation occurs during dry film plating

      The reason for the plating, it shows that the dry film and copper foil plate bonding is not strong, so that the plating solution deep, resulting in the “negative phase” part of the coating thickening, most PCB manufacturers are caused by the following reasons: 1. High or low exposure ...
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    • Metal substrate plug hole technology

           With the rapid development of electronic products to light, thin, small, high-density, multi-functional and microelectronic integration technology, the volume of electronic components and printed circuit boards is also shrinking exponentially, and the assembly density is increasing.In order ...
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    • Ways to find defective PCB board

      Ways to find defective PCB board

      By Measuring Voltage   The first thing to confirm is whether the voltage of each chip power pin is normal or not, then check whether the various reference voltage is normal or not, in addition to the point of the working voltage. For example, a typical silicon triode has a BE junction voltage o...
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    • Panel of PCB

      Panel of PCB

           1.Why need to make the the panel? After PCB design, SMT should be installed on the assembly line to attach components. According to the processing requirements of the assembly line, every SMT processing factory will specify the most appropriate size of the circuit board. For example, if th...
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    • Printed circuit board circuit board

      Printed circuit board circuit board

      Printed circuit boards, also called Printed circuit boards, they are electrical connections for electronic components. Printed circuit boards are more often referred to as “PCB” than as “PCB board”. It has been in development for more than 100 years; Its design is mainly...
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