CEM-3 is lighter than FR4,the average weight is about 3.5KG/sqm. but now most of PCB manufacturers less use CEM-3 material to make PCB,almost use FR4 material.
Read More: FR4 PCB
#PCB Design #PCB Materials
What will go wrong when it is stored at a higher temperature or past its shelf life?
Solder paste should be stored in a refrigerator and it has an expiration date. But what exactly will go wrong when it is stored at a higher temperature or past its shelf life?
Oliver Smith
December 13, 2023
