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- Title
Synthesis and UV-Curing Behaviors of Urethane Acrylic Oligomers Modified by the Incorporation of Silicone Diols into the Soft Segments for a 3D Multi-Chip Package Process.
- Authors
Lee, Seung-Woo; Lee, Tae-Hyung; Park, Ji-Won; Kim, Hyun-Joong
- Abstract
Ultraviolet (UV)-curable urethane acrylic oligomers were synthesized and then modified by the incorporation of silicone diols with different molecular weights to improve thermal stability for temporary bonding and debonding adhesives in a three-dimensional multi-chip package process. The UV-curing behaviors were investigated using photo-differential scanning calorimetry, Fourier transform infrared spectroscopy-attenuated total reflectance, and gel fraction, while the UV-curing kinetics was also studied. In addition, the thermal stability of the samples was checked using thermogravimetric analysis. UV-curing and thermal stability were more affected by the molecular weight of the silicone diols than by UV dose due to both the flexibility and the steric hindrance of the synthesized oligomer structures.
- Subjects
OLIGOMERIZATION; GLYCOL synthesis; MOLECULAR weights; THERMAL stability; FOURIER transforms
- Publication
Journal of Electronic Materials, 2015, Vol 44, Issue 7, p2406
- ISSN
0361-5235
- Publication type
Article
- DOI
10.1007/s11664-015-3718-4