IPC was originally the abbreviation of "Printed Circuit Institute", that is, the American Printed Circuit Board Association, and later renamed as "Interconnection and Packaging Electronic Circuits Institute". 1999 was renamed as "Connected Electronics Industry Association" again. Due to the high popularity of IPC, the logo and abbreviation of IPC have not changed since the name change. IPC has more than 2,600 association members, including world-renowned large companies engaged in PCB design, manufacturing, assembly, OEM (original equipment manufacturer) processing and EMS (electronic manufacturing service) outsourcing. Like IEC, ISO, IEEE and JEDC, IPC is one of the most influential organizations in the electronic manufacturing industry in the United States and even the world. IPC has formulated thousands of standards and specifications. The following standards and specifications are commonly used in electronic manufacturing:

Design criteria:

The design standard of IPC-D-275 rigid printed board and its connection is divided into three levels: A, B and C according to the accuracy and density of wiring and the complexity of manufacturing process.

IPC-SM-782 graphic standard for surface mount design pads.

IPC-SM-770 PCB assembly specification, including design requirements for surface mounting and perforation mounting.

Specifications of finished product design documents:

IPC-D-325 is a document specification for customers to design circuit boards and put forward assembly requirements for products. Detailed rules can refer to relevant industry standards or working standards, or you can use your own internal standards according to customer preferences.

Production site standard:

IPC-A-6 10 is a description file of pictures, which describes the assembly structure characteristics of printed circuit boards higher than the general requirements of products, and describes the structural forms of unqualified components, which is helpful for production site personnel to find and correct problems in time.

Among the standards listed above, IPC-A-6 10, that is, "acceptable conditions for electronic components" (translated as "acceptable conditions for electronic components"), as a visual inspection standard for the appearance quality of electronic components in the production site, has become the most widely used process standard in the electronic manufacturing industry. There are several versions of this standard. The latest version is IPC-A-6 10C published in June 2000. Compared with version B, version C has more than 600 color illustrations about acceptable process standards. These accurate and clear pictures strictly explain the relevant technological conditions of modern electronic assembly technology, including ESD (electrostatic discharge) protection operation, mechanical assembly, component installation direction, welding, marking, laminated board, separation line assembly, surface installation and so on 10.

In IPC-A-6 10C file, electronic products are divided into three grades: 1, 2 and 3. The higher the grade, the stricter the quality inspection conditions. These three levels of products are:

1 products are called general electronic products. Including consumer electronic products, some computers and their peripherals, products whose main purpose is to use functions.

Level 2 products are called special service electronic products. Including communication equipment, complex industrial and commercial equipment and measuring instruments with high performance and long life. In the usual use environment, this kind of products should not fail.

Class 3 products are called high-performance electronic products. Including military and civilian equipment with high reliability, long service life and continuous operation. This kind of product is absolutely not allowed to break down during use, and at the same time, it is necessary to ensure the reliable start and operation of the equipment in harsh environment. Such as medical life-saving equipment and all military equipment systems.

For all levels of products, IPC-6 10C specifies acceptance conditions such as target conditions, acceptable conditions, process warning conditions and defect conditions. These acceptance conditions are the basis of enterprise product inspection, the working standards of employees on the production site, and the important content of employee training in electronic production and assembly enterprises.