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A New U-centric Radioscopy System for BGA and LSI

Yasushi IKEDA, Yasutoshi MIZUTA
Japan Fine Ceramic Center, 2-4-1, Mutsuno, Atsuta-ku, Nagoya, 456-8587, Japan
Ryusuke HIRASHIMA
UNI-HITE CORPORATION, 3-28-5, Hyakunin-cho, Sinjuku-ku, Tokyo
USE ELECTRONICS CO., LTD, 3-54-1, Chung Hsio East Road, Taipei, Taiwan, R.O.C.
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ABSTRACT

INTRODUCTION

THE PRINCIPLE AND THE FUNCTIONS OF A U-CENTRIC X-RAY TV SYSTEM

APPLICATION RESULTS BY THE U-CENTRIC RADIOSCOPY SYSTEM

OTHER OPTIONAL FUNCTIONS OF THE PSUDO-3D X-RAY TV SYSTEM

References

  1. Y. Ikeda, Y. Mizuta and H. Tobita; " X-ray testing for parts and materials of ceramic gas turbine", Proc. of 8th Asia-Pacific Conf. on NDT,held on Taipei , Publ. NDT Soc. of China-Taipei, pp.33-40, 1995.
  2. Y. Kim, S. Kang and H. Cho; "A new x-ray digital tomosynthesis method for evaluating the soldering states of Ball-Grid-Array joints", Proc. of 9th Asia-Pacific Conf. on NDT,held on Anaheim, USA, Publ. ASNT, pp.152-155, 1998.
  3. Y. Mizuta and Y. Ikeda; "Development of a highly sensitive liquid masking method of X-ray testing with image subtraction", ibid, pp.163-166, 1998.
  4. Y. Ikeda, Y. Mizuta and H. Tobita; " X-ray image subtraction method for detection of small defects in ceramics"", Proc. of 8th Asia-Pacific Conf. on NDT,held on Taipei , Publ. NDT Soc. of China-Taipei, pp.349-356, 1995 .
  5. Y. Ikeda, Y. Mizuta and H. Tobita; "A new method of x-ray radioscopic testing for small defects in fine ceramics with image subtraction", Proc. of 1st US-Japan Symp. on Advances in NDT, held at Hawaii, USA, Publ. ASNT, pp.435-440, 1996.
  6. Y. Ikeda and Y. Mizuta; " Precise sizing technique for inner defects with image subtraction radioscopy", Proc. of 2nd US-Japan Symp. on Advances in NDT, held at Hawaii, USA, Publ. JSNDI, pp.462-467, 1996.
  7. Y.Ikeda, Y.Mizuta and R.Hirashima;" Radiography Testing for Micro Defects with a Psudo-3D X-ray TV system", Proc. of 5th FAR=EAST Conf. on NDT, held in Taiwan, pp.361-368,1999.

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