Best China Wholesale Quick Turn Flex Circuits Factories - 6 Layer ENIG via-in-pad PCB 16842 – Huihe Manufacturer and Factory

China Wholesale Quick Turn Flex Circuits Factories - 6 Layer ENIG via-in-pad PCB 16842 – Huihe

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"Sincerity, Innovation, Rigorousness, and Efficiency" may be the persistent conception of our organization for that long-term to establish jointly with customers for mutual reciprocity and mutual gain for Eft Printed Circuit Board, Quick Turn Flex Circuits, Fast Turn Pcb, In addition, we would properly tutorial the purchasers about the application techniques to adopt our items plus the way to select appropriate materials.

China Wholesale Quick Turn Flex Circuits Factories - 6 Layer ENIG via-in-pad PCB 16842 – Huihe Detail:

The advantages and disadvantages of plugging and no plugging?

In terms of plug holes, they have the following advantages

1. the plug hole can prevent PCB through the wave soldering tin from the through hole through the component surface caused by short circuit; That is to say, within the scope of the wave soldering design area (generally the welding surface is 5mm or above) there is no hole or hole to do plug hole treatment.

2. The plug hole protects against possible short circuits caused by closely spaced devices such as BGA. This is the reason for the hole under the BGA to keep the hole in the design process. Because there is no plug hole, this is a case of short circuit.

3. avoid flux residue in the conduction hole;

4. After the surface mounting and component assembly of the electronics factory is completed, the PCB shall be vacuum absorbed and negative pressure formed on the test machine before completion:

5. prevent the surface solder paste into the hole caused by virtual welding, affect the installation; This point is most obvious in the heat dissipation pad with holes.

6. To prevent the wave soldering tin beads pop up, resulting in a short circuit.

7. The plug hole will be helpful to the SMT process.

From the perspective of no plug hole, there are the following advantages

1. Some VIA holes (through holes) are green oil Windows, because these holes are the test holes that the PROBE will contact.

2. The green oil plug hole cannot be 100% filled, so there may be chemical liquid stuck in the hole during the PCB manufacturing process, which may lead to corrosion. But do not plug can.

3. If the two-sided plug hole is used, it is easy to have bubbles in the middle, which will expand and burst in the SMT process.For example, the common graphics of the plug hole plate describe the problem, the bubble problem, the tin bead problem, the oil problem, the bursthole problem, the light transmission crack problem in the plug hole are likely to appear.

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"Based on domestic market and expand overseas business" is our improvement strategy for China Wholesale Quick Turn Flex Circuits Factories - 6 Layer ENIG via-in-pad PCB 16842 – Huihe , The product will supply to all over the world, such as: Kenya, Nigeria, Toronto, "Good quality and reasonable price" are our business principles. If you are interested in our products or have any questions, make sure you feel free to contact us. We hope to establish cooperative relationships with you in the near future.

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We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.