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What Is PCB Panelization?

Views: 765 Author: Site Editor Publish Time: 2022-03-03 Origin: Site

PCB panelization is mean to put together multiple PCBs to form a large SET. The significance of circuit board imposition is that, firstly, it is convenient for subsequent welding and patching. Secondly, PCB panelization can improve the utilization rate of the board, thereby reducing production costs. Since the products of each industry are different, the size of the applied pcb circuit boards is also different. Some of the PCB circuit boards in the electronics industry are relatively small, and are often designed in a way of imposition, which not only facilitates the processing and production of electronic factories, but also It can also reduce the waste of the board and reduce the cost. In order to facilitate circuit board manufacturing and PCBA processing, many issues need to be paid attention to when designing PCB imposition. A good PCB designer should consider production factors when designing imposition, so as to facilitate processing, improve production efficiency and reduce production costs.

 PCB manufacturing

1. The appearance of PCB proofing and imposition

The outer frame (clamping edge) of the PCB proofing panel should adopt a closed-loop design to ensure that the PCB panel will not be deformed after being fixed on the fixture. The shape of the PCB proofing panel is as close to a square as possible, and 2×2, 3×3, ... panels are recommended.


2. V-groove

After opening the V-groove, the remaining thickness X should be (1/4 ~ 1/3) plate thickness L, but the minimum thickness X must be ≥ 0.4mm. The upper limit can be taken for the board with heavier load, and the lower limit can be taken for the board with light load.


3. Mark point

When setting fiducial anchor points, it is common to leave a 1.5 mm larger area around the anchor point without solder mask.


4. The process edge

There should be no large devices or protruding devices near the connection point between the outer frame of the panel and the inner small board, and between the small board and the small board, and there should be a space greater than 0.5mm between the components and the edge of the PCB circuit board to avoid To ensure the normal operation of the cutting tool.


5. Positioning holes on the board

For the whole board positioning of the PCB circuit board and the reference symbols for the positioning of the fine-pitch devices, in principle, the QFP with a spacing of less than 0.65mm should be set at its diagonal position; the positioning reference symbols for the imposition PCB daughter board should be paired Use, place on the opposite corner of the positioned feature.

 PCB manufacturing

Looking for a professional PCB and PCBA supplier?

Victory is a professional PCB manufacturer which established in 2005. Adhere to be a specialized manufacturer for multiply species, small to medium series, and quick turn production, we insist to provide 3H(high quality, high precision and high density) PCBs for our customers.

With a total plant area 30,000sq.m, our monthly capability can be 60,000sq.m with 3000 parts.  With advanced PCB production and testing equipments, and well-found quality system to monitor throughout the whole manufacturing to assembly, we can ensure the stable and excellent quality of the production process to meet customers' requirements. If you are looking for a reliable and professional supplier of PCB, please contact us for more information.

About The Author

I am the Engineering and Sales supervisor working in Victorypcb from 2015. During the past years, I have been reponsible for all oversea exhibitions like USA(IPC Apex Expo), Europe(Munich Electronica) and Japan(Nepcon) etc. Our factory founded in 2005, now have 1521 clients all over the world and occupied very good reputation among them.


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