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IPC was originally known as the "Printed Circuit Board Association" of the United States and was later renamed the "Electronic Circuit Interconnection and Packaging Association". Due to the high popularity of IPC, the name of IPC has always been used, and then the official name IPC was established. "International Electronic Industry Connection Association" is a supplement to the name of the association.
IPC has formulated thousands of standards and specifications, such as the following standards and specifications commonly used in the electronic manufacturing industry:
Design Criteria
The design standard of IPC-D-275 rigid printed boards and their connections is divided into three levels: A, B and C according to the precision, density of wiring and complexity of manufacturing process. IPC-SM-782 Surface Mount Design Pad Graphics Standard. IPC-SM-770 Printed Board Assembly Specification, including design requirements for surface mounting and perforation mounting.
Finished product design document specification
IPC-D-325 is a document specification for customers to design circuit boards and propose assembly requirements for products.
Production site standards
IPC-A-610 is an internationally recognized quality inspection standard in the electronic manufacturing industry. The second and third levels of IPC often come from IPC-A-610. This standard describes the assembly and connection structure characteristics of printed circuit boards that are higher than the general requirements of products and describes the structural form of unqualified components, which is helpful for production site personnel to find and correct problems in time.
Level 1 product: general electronic product Level 2 product: special service electronic product Level 3 product: high reliability electronic product
The higher the level is, the more stringent the quality inspection conditions are. Among them, IPC level 3 is often called "industrial level". The following figure can provide a reference for you to select a standard.
IPC Level I
General electronic PCB products
The first level of electronic products are called "general electronics". It is mainly used in products with short expected life cycles. For example, some toys of low quality can be used normally when you buy them for 20 yuan, but after a few months, you turn on the power switch of the toys and find that they cannot be started. At this time, you will think it is normal, and of course, the electronics manufacturer who made them also thinks it is normal.
IPC Level II
Special service electronic PCB products
Secondary electronic products include all electronic devices that require continuous performance and extended life cycles. To some extent, they require uninterrupted service. The sudden interruption of the service life cycle of such products may cause great losses to your company.
IPC Level III
High-reliability electronic PCB products
Including equipment and products that operate continuously or in strict accordance with instructions. Such products can not be interrupted in use, such as medical lifesaving, flight control, precision measuring instruments, and highly reliable products with harsh use environments. Because of the importance of this kind of circuit board in this field, there must be no flashover. Once an accident occurs, it may cause irreversible losses. Therefore, not only the printed circuit board needs to meet the requirements of Class III IPC, but also other electronic components need to use high reliability components to ensure the stable use of products.
