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선택한 단어 수는 30입니다.
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최대 10 단어까지만 선택 가능합니다.
제안 방법
- After the LC cell was annealed by specific heat and cooled gradually, the LC alignment effect was observed by photomicroscope. All IB-irradiated PS surfaces were examined using XPS (ESCA LAB 220-XL, VG Scientific, USA) analysis. The measured bindings were referred to the C1s signal at 284.
- In this study, the homogeneous PS material for the LC alignment layer was modified by IB irradiation at various IB exposure time with fixed IB bombardment energy and exposure angle to replace conventional rubbing technology and PI material for LCD applications. An increase in IB exposure time resulted in a stable and clear LC orientation with matching of experimental crystal rotation graphs.
- 4 sccm. The IB bombardment was conducted at time of 15, 30, 45, and 60 s with exposure energy and angle of 2 keV and 45o, respectively. These substrates were fabricated in an antiparallel configuration with cell gap of 60 #, were used to measure the pretilt angle and thermal stability.
이론/모형
- To measure the pretilt angles of homogeneous LC molecules on the IB-irradiated PS surfaces, a crystal rotation method (TBA 107 Tilt-bias Angle Evaluation Device; Autotronic) was used, observing the oscillation of the transmittance of LC cells (60 # cell gap) with a latitudinal rotation from -70o to 70o through the variation of the birefringence produced by LC cell rotation.
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