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Medical industry

The pace of social development is fast. People pay more and more attention to health, medical equipment for PCB material performance put forward higher requirements. What are the technical requirements for PCB reliability, high frequency, high speed and high conductivity.

PCB board of medical treatment has become one of the most complex and challenging in the industry. Many people in the industry say that medical PCB is a board with ordinary PCB. Is there any difference? The answer is yes.

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In summary:

There are the following aspects

1) "Safety" and "reliability": is the core problem of PCB in medical industry. Refer to ipc-3 for life support products or high-end products

For non life support products or medium and low-end products, refer to ipc-2. Large medical terminals establish their independent and standardized enterprise standards to strictly control the reliability of products. So this is very important.

2) Long service cycle: the warranty period of general products is more than 5 years, and the large medical equipment requires at least 10 years

The duration of use is long. There are still some differences between medical PCB and ordinary PCB.

3) large level span: from consumer medical products meeting conventional requirements to medium and high-end medical products with high reliability and stability, small portable products with high density and high integration, and wearable medical products with intelligent and multi-function.

4) Product Conservatism: the application of new medical technology and new product on the market is slow, and the validation test of new product is repeated, which often requires comprehensive evaluation.

5) Traceability: products are required to have strict process records and product traceability, and some large medical terminals are required to ensure the traceability of 10-year PCB processing records.

6) The process treatment and fire rating requirements of medical PCB board are different. The common PCB process is different in treating tin spraying and cleaning board. On the premise of taking process measures and ensuring quality and safety, it can be used for repair products carefully.

7) In general, there is little demand for medical PCB, but more process requirements, such as HDI, back drilling, multiple pressing, mixed pressing, high precision, special impedance, thick copper, thick gold, embedded copper block, etc. The price focus will be very low, which is different from the ordinary PCB board.

In all medical PCB boards, FR-4 is the most widely used. For medical PCB design, the choice of FR-4 board will be different according to the positioning of its own products and the control of the price of raw materials. For large hospital institutions, the reliable PCB board should be selected.


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