Time to Ching Ming, let us pay tribute to the hero

Looking at the desk calendar in hand, the last second has just passed March. This second is fixed on April 4th Qingming Festival...

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Summary of common problems in PCB dry area (circuit, solder mask, text) (1)

Summary of common problems in PCB dry area (circuits, solder mask, text) (1) 1. Why do PCB board BGA solder masks have holes? What is the reception standard?

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Summary of common problems in PCB dry area (circuit, solder mask, text) (2)

Summary of common problems in PCB dry area (circuits, solder mask, text) (2) 11. Why does the exposure machine need to vacuum when it is exposed? 12. What are the advantages of using volcanic ash grinding board for pretreatment? Disadvantages? .......

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Summary of common problems in PCB dry area (circuit, solder mask, text) (3)

Summary of common problems in PCB dry area (circuit, solder mask, text) (3) 21. What is the cause of excessive solder mask development? 22. Why do solder masks develop boards with green oil bridges facing...

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PCB manufacturers tell you how to prevent PCB board warping?

One aspect of the cause of circuit board warpage is that the used substrate (copper clad laminate) may warp, but in the process of printed circuit board processing, due to thermal stress, chemical factors, and production processes...

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Why does the phenomenon that individual vias are blocked after the circuit board is mounted?

Why does the phenomenon that individual vias are blocked after the circuit board is mounted? This may be a problem that many circuit board companies will have. Let me analyze the specific reasons for everyone. …

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Several opinions about poor tin on the tin surface of circuit boards—Honglian Circuit Technology Dep

Some opinions on the poor tin on the tin surface of the circuit board-Honglian Circuit Technology Department 1. The quality defect of the tin surface of the circuit board factory 2. The quality problem during the soldering of the chip factory

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How does pcb manufacturer-Honglian Circuit report work

[Shenzhen Honglian Circuit] has more than 10 years of experience in double-sided and high-multilayer precision circuit boards. Our slogan is "I do, now!!", Honglian Circuits-Professional PCB manufacturer, PCB manufacturer, Bing...

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