The design of printed circuit board (SMT) is one of the important components of SMT SMT assembly technology. The design quality of printed circuit board (PCB) is an important symbol to measure the technical level of surface assembly and one of the primary conditions to ensure the quality of surface assembly.

Design for Manufacturing (DFM) is the most effective method to ensure the quality of SMT machining. DFM is a design practice and process that matches engineering requirements with global manufacturing capabilities to achieve the lowest cost, highest volume, and faster time to market. From the time of product development and design, DFM takes into account the manufacturability and testability, so as to make the close connection between design and manufacture and realize the goal of success from design to manufacture. DFM has the advantages of shortening development cycle, reducing cost and improving product quality, which is the way for enterprises to achieve success.

Printed circuit board patch processing

The traditional method of new product development is usually serial in design, manufacture and sale. The traditional design method for the first time in product design emphasizes the design speed, only pay attention to the realization of the function of products, at the design stage can’t consider manufacturing requirement, the result by some manufacturing or production environment is poor, in order to correct the problems existing in the manufacturing process, will also return to again in one or more of the redesigned, each improvement and need to make prototype, lead to the actual development of the entire product cycle longer, cost also will increase.

Modern design methods emphasize more detailed design when the product is designed for the first time, and bring the problems that may occur during SMT patch processing and testing to the design stage to solve in advance. Although this method takes much time in the initial design, the final result shortens the development and design time and reduces the SMT SMT chip processing cost. According to the DFM statistics of FASTPCBA, 60% of the total cost of printed circuit board products depends on the initial design of the products, 75% of the manufacturing cost depends on the design instructions and design specifications, and 70%~80% of the production defects are caused by PCB design.

The DFX related to SMT manufacturing includes manufacturability design, testability design, analyzability design, assemblability design, environmental protection design, SMT SMT placement processability design, logistics design and reliability design.