Waveguiding characteristics in polyimide films with different chemistry of formation

Kishore K. Chakravorty; Chung-Ping Chien

doi:10.1117/12.25556

1 April 1991 Waveguiding characteristics in polyimide films with different chemistry of formation

Kishore K. Chakravorty, Chung-Ping Chien

Proceedings Volume 1389, Microelectronic Interconnects and Packages: Optical and Electrical Technologies; (1991) https://doi.org/10.1117/12.25556
Event: Advances in Intelligent Robotics Systems, 1990, Boston, MA, United States

Abstract

We have compared the optical loss characteristics of polyimide waveguides derived from three different polyimide samples. We observed significant differences in the waveguiding characteristics (at 0. 8 Rm) of these samples. The photosensitive preimidized samples exhibited the best waveguiding characteristics with losses below the detection limit (0. 5 dB/cm) in some instances. Various processing conditions such as the curing affected all three samples but to a different extent. The photosensitive polyamic acid ester based samples exhibited the maximum sensitivity to the curing temperature and the heating rate. Optical losses in the preimidized photosensitive polyimide films remained low (less than 1. 0 dB/cm) even after a 350 C baking step.

Citation Download Citation

Kishore K. Chakravorty and Chung-Ping Chien "Waveguiding characteristics in polyimide films with different chemistry of formation", Proc. SPIE 1389, Microelectronic Interconnects and Packages: Optical and Electrical Technologies, (1 April 1991); https://doi.org/10.1117/12.25556

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