| 摘要 |
PROBLEM TO BE SOLVED: To provide a diffusion testing device, enabling casting surely even with 1 mm or less of sample diameter, reduced in the possibility of contamination in a sample by an impurity in a gas, not affected by Marangoni convection caused by a free surface, and precluded from the possibility that the gas infiltrates into a capillary even in a gravity-free or very low gravity environment. SOLUTION: This device is provided with a plurality of disk-like shear cells 12 layered rotatably around the axial center Z as the center and having a capillary 12a penetrated axial-directionally, a pair of end disks 14 for grasping the plurality of shear cells in the axial direction and having a basin 14a communicated with the capillary, a pair of casting rods 16 engaged with the basin, and a pressurizing device 18 for pressurizing the casting rods directed toward the capillary.
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