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1 TED Plaza X hoshino@spring8.or.jp ueken@spring8.or.jp X X X X X X X = X X = X X nm X X X 1992 I I 0 exp t I 0 I X X X t X X (1) (1) -3-

2 I I 0 X X X X X X X X X X X X X X X 10 6 ~ X X X X SPring-8 X SPring-8 8 GeV 1,436 m SPring-8 web SPring-8 Home SPring-8 User Information X X X X X X X SPring-8 X BL20B2 X 2 1 BL20B2 SPring-8 Goto et al X X SPring-8 Si(111) Si(311) Si(511) 7keV 113keV Si(111) 1 42 m X X X 10 9 (photons /sec/mm 2 ) 1 X 50 mm(h) 5 mm(v) 5 mm 25 mm TC Slit1 200 m 2 3 X X 1.5 mrad 300 mm X

30 mm X Fig. 1 Schematic drawing of bending magnet beamline BL20B2 in SPring-8 2 2 X X X X X X X X Uesugi, et al.

3 30 mm X Fig. 1 Schematic drawing of bending magnet beamline BL20B2 in SPring X X X X X X X X Uesugi, et al., 2011 X CCD CMOS X X 2 2 pixel X M P P/M X X BL20B2 SPring-8 X 0.5 /pixel 25 /pixel X X X X X X X. SPring-8 CMOS ORCA Flash /pixel 1 mm 25 /pixel 50 mm X BL20B mm(h) 5.5 mm(v) -5-

200 m 2 3 15 30 mm(h) 30 mm(v) X BL20B2 1 13 /pixel 5. Fig.

4 200 m mm(h) 30 mm(v) X BL20B /pixel 5. Fig. 2 Schematic drawing of a visibile-light conversion type X-ray imaging detector X X X (1) t 3 3 X Computed Tomography(CT) X CT 3 X X CT 3 X CT X CT X X CT X X CT X CT X CT 1993 CT X X CT X BL20B2 X CT 3 X 1 2 X CT -6-

X CT X CT X 1 X X CT Takeuchi, et al., 2002 X CT Fig. 3 X-ray microtomography system at experimental hutch 1 of BL20B2 BL20B2 1 X CT 2 1 2.

5 X CT X CT X 1 X X CT Takeuchi, et al., 2002 X CT Fig. 3 X-ray microtomography system at experimental hutch 1 of BL20B2 BL20B2 1 X CT msec 16bit AD = full-well:65535 counts counts I /10 20 msec 3700 counts I kev full-well CT 2 BL20B2 X CT 2 1 X CT 4(a) 2 X CT 4(b) -7-

6 2 1 SN SN SN X CT X X X Fig. 4 X-ray microtomographic images of a toothpick. X-ray energy: 15 kev. Pixel size: 2.75 m. (a) Exposure time: 200 msec No of projections: (b) Exposure time: 20 ms No of projections: 600. Inset shows magnified image X CT BL20B2 X CT X CT 2011 X CT 5 CT X CT 3 X CT m 3 X CT -8-

(c) Three-dimensional view of frost layer 㸳㸬 SPring-8 ࡅ ᨺᑕග X ࢡ ࢪ ࢢ ࢡ CT ࡘ 㸪 ࡀ ᛂ ࡘ ゎㄝࡋࡓ㸬ᮏ ㄞ㸪 ᕤᏛ ࡈᑓ㛛 ࡋ ᪉ࠎ ᥎ᐹࡍ ࡀ㸪ṧᛕ ࡀ X 㸪ࢧ ࢢ ᗘศᕸ ᥋ ᐃࡍ ࡇ ࡁ 㸬ࡋ ࡋ ࡀ 㸪 ᐃᑐ ᗘኚ

7 Fig. 5 Relation between oxygen transmission in gas diffusion layer and X-ray tomographic images Fig. 6 (a) Photograph of frost formation on cooling surface. (b) X-ray tomographic image of frost layer. (c) Three-dimensional view of frost layer 㸳㸬 SPring-8 ࡅ ᨺᑕග X ࢡ ࢪ ࢢ ࢡ CT ࡘ 㸪 ࡀ ᛂ ࡘ ゎㄝࡋࡓ㸬ᮏ ㄞ㸪 ᕤᏛ ࡈᑓ㛛 ࡋ ᪉ࠎ ᥎ᐹࡍ ࡀ㸪ṧᛕ ࡀ X 㸪ࢧ ࢢ ᗘศᕸ ᥋ ᐃࡍ ࡇ ࡁ 㸬ࡋ ࡋ ࡀ 㸪 ᐃᑐ ᗘኚ ࡗ ࡌ ᐦᗘኚ 㸪 ᵓ㐀ኚ ᐃ㔞ど ࡍ ࡇ 㸬 ࡓ㸪 ᐃ᮲ ౫Ꮡࡍ ࡀ㸪X ࢡ CT ィ ࡅ ヨ ᗘ ẚ 㧗 ࡓ 㸪ヨ ᗘኚ ࡓ 㸪ᅽຊ ຍ ࡓ ࡋ ࡀ X ࢡ CT ィ ࡇ 㸬 X ィ ᢏ 㸪 ࠎ㐍 ࡅ 㸪 ᖺ๓ ᐇ ࡍ ࡇ ࡀᅔ㞴 ࡗࡓィ㸪 ฟჾ ィ ࢩࢫ ᨵⰋ ᐇ ࡁ ࡗࡓࢣ ࢫ ቑ ࡁ 㸬ᮏ ࡋࡓ 㸪ᨺᑕග X ᚩ ά ࡋࡓ ィ㸪ㄢ㢟ゎỴ ࡘ ࡀ ࡀ ᚋ ᒎ㛤ࡉ ࡃࡇ ᮇᚅࡍ 㸬 ㅰ ࢨ ᐇ㦂 ᐇ ࡍ ࡓ 㸪ᛌࡃ㈨ ࡈᥦ౪ ࡓࡔ ࡓ㸪 Ꮫ ᚨ༤ኈ㸪㛵す Ꮫ ᯇᮏᩍ ឤㅰ ព ࡍ㸬 -9-

8 (1) Goto, S., Takeshita, K., Suzuki, Y., Ohashi, H., Asano, Y., Kimura, H., Matsushita, T., Yagi, N., Isshiki, M., Yamazaki, H., Yoneda, Y., Umetani, K. and Ishikawa, T., Construction and commissioning of a 215-m-long beamline at SPring-8, Nuclear Instruments and Methods in Physics Research A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol , Part.1 (2001), pp (2), X ( ), (1992), p.66. (3),,,,, B, Vol.77, No.782 (2011), pp (4), -,, Vol. 92, No (2017), pp (5),, (1993), p.103. (6) SPring-8 SPring-8 Home (online), available from < ( ). (7) SPring-8 SPring-8 User Information (online), available from < ( ). (8) Takeuchi, A., Uesugi, K., Takano, H. and Suzuki, Y., Submicrometer-resolution three-dimensional imaging with hard x-ray imaging microtomography, Review of Scientific Instruments, Vol.73, No.12 (2002), pp (9) Uesugi, K., Hohsino, M. and Yagi, N., Comparsion of lens- and fiber-coupled CCD detectors for X-ray computed tomography, Journal of Synchrotron Radiation, Vol.18, Part2 (2011), pp

< BDF91E58E9F90A291E38AEE94D595F18D908F E696E6464>

< BDF91E58E9F90A291E38AEE94D595F18D908F E696E6464> 近畿大学次世代基盤技術研究所報告 Vol. 9(2018)55-59 Additive Manufacturing *1 *2 *3 The Recent Trend on Additive Manufacturing Technology: A Review Hideki KYOGOKU *1, Toshi-Taka IKESHOJI, Makiko YONEHARA The recent trend