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After finish wiring in PCB design, due to the requirement of design of PCB assembly process, need for some makeup design PCB with special shape, so that the follow-up of the PCB

by:Rigao      2020-04-09
In this paper, we discuss the whole design process, in under the premise of meet the requirements of PCB and PCB assembly process, how to control these factors, to optimize the size of the puzzle, make its can be formed in PCB production makeup when the board that produce high utilization and proper makeup size production, to obtain lower PCB quotation. The need of the following PCB to do makeup case to puzzle the PCB, the formation of makeup, in order to satisfy the demands of PCB assembly process: ( 1) The mechanical structure of PCB design itself needs ( 2) Components solder get too close to PCB edge, the top is less than 4. 6 mm, the bottom is less than 5. 08 mm( The top is less than 0. 16 inches, the bottom is less than 0. 2 inches) ( 3) Need to solder too close to test point on the edge of the top is less than 4. 6 mm, the bottom is less than 5. 08 mm( The top is less than 0. 16 inches, the bottom is less than 0. 2 inches) ( 4) Irregular shape or size is too small, cannot smoothly through the assembly line ( 5) To improve the efficiency of PCB assembly production process in strict accordance with the PCB design process to assemble, can greatly save the cost and achieve more ideal results of the PCB board system.
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