source:Other information release time:2022-11-04 Hits: Popular:PCB Assembly company
The performance and technical requirements of PCB manufacturers are related to the structural type of PCB and the selected substrate. Performance indicators are different for different types (rigid and flexible), different structures (single side, double side, multi-layer, with or without blind holes, embedded holes, etc.), and different substrates. Its performance level, like the product design, is generally divided into three levels according to the scope of use. PCB manufacturers describe the degree of product complexity and functional requirements, and the frequency of test and inspection. The acceptance requirements and reliability of products with different performance levels increase by level.
Level 1 - general electronic products: mainly consumer electronic products and some computers and their peripherals. There is no strict requirement on the appearance of this type of PCB. The main requirement is that it should have complete circuit functions to meet the use requirements.
Level 2 - Specialized service electronic products: including computers, communication equipment, complex commercial electronic equipment, instruments, meters and some products that do not require very strict use. This type of product requires a long service life and uninterrupted work, but the working environment is not bad. It is allowed that the appearance of some products is not perfect, but the performance should be intact and reliable.
Level 3 - High reliability products: including equipment with strict continuous performance requirements, equipment that does not allow downtime during operation, and equipment used for precision weapons and life support. PCB processing printed boards not only have complete functions, but also are required to work uninterruptedly and normally at any time, have strong environmental adaptability, and have high insurance and reliability. For such products, strict quality assurance measures shall be taken from design to product acceptance, and some reliability tests shall be conducted when necessary.
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