Since Embedded Thin film resistors or ETFR can shorten the transmission distance, reduce electromagnetic interference, decrease the installation cost, save the space of the circuit board, it has been broadly adopted in printed wiring board (PWB)
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Calendared Copper foil Vs Electrolytic Copper foil
The following is a short comparison between Calendared (also called RA copper foil) and Electrolytic copper foil (ED copper foil).
Continue reading “Calendared Copper foil Vs Electrolytic Copper foil”Cast Vs Calendar PVC
PVC is one of the important plastic films adopted for the carrier of PSA tapes. It can be made by two major process: Cast and Calendar.
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