COF(Chip on Film) is a packaged circuit board for display and other wareable devices. The distance
of each lead is only 25 um (0.000025mm)

 

1. How to acquire COF

 

Most of the COF would be supplied to manufacturer (Samsung, LG, BOE)'s own RMA service centers. If a party is not an authorized repair center, one should recycle COF for further use.

 

 

 

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