What is usually done is that a stiffener is added to the area of the connector. The stiffener is usually FR4 (with no copper) glued/epoxied to the flex on the backside of the connector.
Echter, maybe the application results in minimal bending without stiffeners. What counts as acceptable is rather dependent on the particular parts, the application, and the required reliability and lifetime, so it’s not easy to quantify.
Lees verder: Best practices van Rigid Flex PCB-ontwerp
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I have designed a power supply card using V7805-2000. Copper thickness is 70 micron, board size is 5 cm × 5 cm. When this underwent vibration test the regulator came off, broken into two pieces(regulator leads are in the holes). How is it going?
What I would like to know is if ICs also have a limited shelf life and if so, do some types suffer more than others?
To my understanding, each process in the operating system contains its own separate Process Control Block. Can someone explain this to me. Does each process have its own PCB or is there just one PCB that contains all the information for all the processes?
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