Novel PCB linear expansion control method

Abstract

The invention discloses a novel PCB linear expansion control method. The method comprises the steps of engineering design: manufacturing engineering data according to the drawing requirements of a customer, finding out the historical expansion values of a PCB coincident with the information comparison principle out of the engineering data based on the information comparison principle by using an established expansion database according to customer data, and applying the expansion values to the manufacturing engineering data of existing PCB manufacture and design; PCB manufacture: manufacturing PCBs according to the engineering data obtained through the engineering manufacturing and designing process, collecting the workstation data information and the expansion values of currently manufactured PCBs, and storing the workstation data information, the expansion values, the design information and the material information of currently manufactured PCBs in an expansion database, wherein the workstation data information, the expansion values, the design information and the material information of currently manufactured PCBs are adopted as a reference for the subsequent design and comparison of PCBs; detection: detecting manufactured PCBs, judging whether the finished products of PCBs are qualified or not, and performing the batch manufacture of PCBs on the condition that the finished products of PCBs are qualified. According to the technical scheme of the invention, the expansion of PCB core boards can be prevented in advance and controlled. Therefore, a large amount of template production cost is saved and the production efficiency is improved.

Description

technical field [0001] The invention relates to a novel PCB linear expansion and contraction control method. Background technique [0002] The traditional PCB linear expansion and contraction control method needs to make 5-10 samples, and 3-5 professional technical analysts need to manually extract the data from the operating equipment of each station every day, then summarize and analyze them one by one, and then according to the analyzed The data adjusts the inner film compensation coefficient. This method is a remedial measure, and the yield rate is low. It is impossible to prevent and control the expansion and contraction of the PCB core board in advance, and it also greatly wastes the production cost and labor cost of the enterprise. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention aims to provide a novel PCB linear expansion and contraction control method, which can prevent and control PCB core board expansion an...

AI Technical Summary

Problems solved by technology

It is impossible to prevent and control the expansion and contraction of the PCB core board in advance, and it also greatly wastes the production cost and labor cost of the enterprise

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