Hot air solder leveling HASL Process
May. 20, 2022
Tin spraying, also known as hot air solder leveling (HASL), is to coat a layer of tin-lead alloy on the copper surface to prevent oxidation of the cop…
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May. 20, 2022
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What is SMT and Features of SMT ?
May. 16, 2022
SMT is abbreviation for Surface Mounting Technology, known as Surface Mounting or Surface Mounting Technology, and is currently the most popular techn…
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How to choose HASL, ENIG, OSP circuit board surface treatment process ?
May. 12, 2022
After we design the PCB board , we need to choose the surface treatment process of the circuit board. Now the commonly used surface treatment processe…
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Overview of PCB proofing process
Feb. 11, 2022
What does PCB proofing mean? Why PCB proofing? What is the function of PCB proofing? PCB proofing refers to that the designer has designed the drawing…
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Summary of spindles fault problems and solutions of the PCB cutting machine
Jan. 24, 2022
High-speed motorized spindle is one of the core components of the cutting, high-speed motorized spindle used in the cutting for a long time and high l…
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Etching process of PCB outer layer circuit
Jan. 14, 2022
At present, the typical process of printed circuit board (PCB) processing adopts "graphic electroplating method". That is, a layer of lead tin corros…
