COF
COF (Chip on Film) is a type of Tape Automated Bonding (TAB) created in the United States as an alternative to Wire Bonding and has been continuously developing up to now.
By connecting the chip and the film acting as a substrate, it plays a role to exchange signals with external electronic components.
It is mainly applied to TV, Monitor, Notebook, etc. Recently, it is widely applied to high-performance display products such as Automotive and Smartphone, and has the following features.
- 1Fine Pitch
- 2High I/O Counts
- 3Low Profile(Thin, Flexible) & Low Weight
- 4Reliability
- 1ML Normal
- 2ML
- Thermal Resin
- Thermal Tape
Process Introduction