Ultra-thick copper multilayer PCB originated from North America, such as UPE Company in Canada. In the 1990s, the company began to develop and produce ultra-thick copper multilayer PCB, and achieved good results. This kind of special board product is applied to the components connected with strong current and mixed connection of strong and weak current. […]
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Sep
Sep
EMI is caused by electromagnetic interference source transferring energy to sensitive system through coupling path. It includes three basic forms: conduction through wires or common ground wires, space radiation or near-field coupling. The harm of EMI is to reduce the quality of transmission signal, cause interference or even damage to the circuit or equipment, and […]
29
Sep
Sep
Different types of PCB have different manufacturing methods, and the same type of PCB also has different processing methods. Although there are many manufacturing processes, they can be classified into the following three basic methods: Additive process: Through screen printing or exposure to form patterns, drilling, copper deposition, transfer lamination and other processing, the conductive […]