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PCB Tech

PCB Tech

PCB Tech

PCB Tech

​Thendifference between medical PCB circuit board and ordinary PCB board

Then difference between medical PCB circuit board and ordinary PCB board

The society is developing very fast. People are paying more and more attention to health, and equipment in the medical industry puts forward higher requirements on the performance of PCB materials. What are the technical requirements for reliability, high frequency, high speed, and high conductivity of PCB in medical treatment?

FPC suppliers tell you that medical PCB circuit boards have become one of the most complex and challenging circuit boards in the industry. Many people in the industry have said that medical PCBs and ordinary PCBs are the same board. Is there any difference?

In summary, medical PCB circuit boards have the following aspects:

1) "Safety" and "Reliability": These are the core issues of PCB boards in the medical industry. Life support products or high-end products refer to IPC-3 level standards, and non-life support products or low-end products refer to IPC-2. Large-scale medical terminals establish independent standard corporate standards to strictly control the reliability of products. So this is very important.

PCB circuit board

2) Long service life: General product warranty time is more than 5 years, large medical equipment needs at least 10 years, and the product has a long service life. There are still differences between medical PCBs and ordinary PCBs.

3) Large-level span: from consumer medical products that meet conventional requirements, to mid-to-high-end medical products that meet high reliability and high stability requirements, to small portable products that meet high-density, high-integration, intelligent and multi-functional Multifunctional wearable medical products.

4) Product conservative: New medical technologies and new products are slowly introduced to the market, and new product verification tests are repeated, which often requires comprehensive evaluation.

5) Traceability: Products need strict process records and product traceability. Some large medical terminals require PCB processing records to be traceable for 10 years.

6) The process and fire protection requirements of medical PCB boards are different. The method of spraying tin and cleaning the board is different in the ordinary PCB process. Under the premise of taking technological measures to ensure quality and safety, it can be used for maintenance as appropriate.

7) General medical PCB demand is small, process requirements are many, back drilling, multiple pressing, mixed pressure, high precision, special impedance, thick copper, thick gold, copper embedded block, etc., the price focus will be very low, and this is also different For ordinary PCB boards.

Among all medical PCB board materials, FPC suppliers recommend using FR-4 because FR-4 is the most widely used. For medical PCB design, based on the positioning of its own products and the control of raw material prices, there will be differences in the selection of FR-4 boards. For circuit boards used in medical equipment, a reliable medical PCB circuit board manufacturer should be selected.