Xu Bo, Yin Xianyin, Zu Chengkui, Han Bin, Gao Xiping, Chen Wei. Preparation of Sealing Glass Preforms by Selective Laser Sintering[J]. Laser & Optoelectronics Progress, 2018, 55(1): 11416
- Laser & Optoelectronics Progress
- Vol. 55, Issue 1, 11416 (2018)
Fig. 1. Curves of thermal expansion coefficient for glass
Fig. 2. SEM image of glass powder granule
Fig. 3. Sealing glass preforms prepared by selective laser sintering
Fig. 4. Binder removing and presintering curve for preforms
Fig. 5. SEM images of samples with different PS contents after presintering. (a) Mass fraction of 20%; (b) mass fraction of 30%
Fig. 6. Photos of sealing glass preforms. (a) After laser sintering; (b) after thermal sintering; (c) after sealing with Kovar pins
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Table 1. Performances of PEG and PS
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Table 2. Performances of samples with different PS mass fractions
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