JP5470525B2 - 全反射蛍光x線分析装置 - Google Patents
全反射蛍光x線分析装置 Download PDFInfo
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- JP5470525B2 JP5470525B2 JP2009108626A JP2009108626A JP5470525B2 JP 5470525 B2 JP5470525 B2 JP 5470525B2 JP 2009108626 A JP2009108626 A JP 2009108626A JP 2009108626 A JP2009108626 A JP 2009108626A JP 5470525 B2 JP5470525 B2 JP 5470525B2
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- 238000004876 x-ray fluorescence Methods 0.000 title description 6
- 238000005259 measurement Methods 0.000 claims description 91
- 239000013078 crystal Substances 0.000 claims description 24
- 238000012937 correction Methods 0.000 claims description 12
- 239000000523 sample Substances 0.000 description 141
- 235000012431 wafers Nutrition 0.000 description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 18
- 229910052710 silicon Inorganic materials 0.000 description 18
- 239000010703 silicon Substances 0.000 description 18
- 238000013507 mapping Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910002794 Si K Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
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- Analysing Materials By The Use Of Radiation (AREA)
Description
40≦r≦150では、k=−0.047
45≦r≦150では、k=−0.031
1a 試料表面
2 試料台
3 1次X線
5 蛍光X線
18 ステージ
24 制御手段
32 測定点
r 半径方向の距離
α 試料への1次X線の入射角度
δ ずれ角度
φ ステージ角度
Claims (1)
- 円板状の試料台と、その試料台に載置された試料の移動、回転および傾き調整が可能なステージとを備え、試料表面の複数の測定点に微小な入射角度で1次X線を入射させて、発生する蛍光X線の強度を測定し、測定強度の分布を求める全反射蛍光X線分析装置であって、
単結晶である試料の結晶格子に対して1次X線の入射方位を一定に保つように前記ステージを調整する制御手段を備え、
その制御手段が、
前記試料台よりも大径の円板状の試料について、前記試料台に同心に載置されてたわんだ状態での試料表面を円錐台の上面と側面または円錐の側面とそれに連なる円錐台の側面で近似することにより、前記試料台に同心に載置されてたわんだ状態での、試料表面の中心を通る試料の厚み方向の軸に沿った断面における試料表面の傾きを半径方向の距離の関数として求め、
各測定点に対応するステージ座標に基づいて、各測定点を通る試料の半径と平面視した1次X線とのなすずれ角度を算出し、
各測定点に対応するステージ座標および前記関数ならびに前記ずれ角度に基づいて、各測定点における1次X線方向についての試料表面の傾きを算出してステージ角度の補正値とし、その補正値を用いて各測定点に対応するステージ座標で1次X線の入射角度が適切になるようにステージ角度を調整する全反射蛍光X線分析装置。
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JP2009108626A JP5470525B2 (ja) | 2009-04-28 | 2009-04-28 | 全反射蛍光x線分析装置 |
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JP2010256259A JP2010256259A (ja) | 2010-11-11 |
JP5470525B2 true JP5470525B2 (ja) | 2014-04-16 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6037798B2 (ja) * | 2012-11-27 | 2016-12-07 | 昭和電工株式会社 | 全反射蛍光x線分析方法 |
EP3550292B1 (en) | 2016-11-29 | 2021-10-27 | Rigaku Corporation | X-ray reflectometer |
US10962491B2 (en) * | 2018-09-04 | 2021-03-30 | Sigray, Inc. | System and method for x-ray fluorescence with filtering |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3286010B2 (ja) * | 1993-04-20 | 2002-05-27 | 株式会社テクノス研究所 | 蛍光x線分析装置およびx線照射角設定方法 |
JP3583485B2 (ja) * | 1994-11-08 | 2004-11-04 | 株式会社テクノス研究所 | 全反射蛍光x線分析装置 |
JPH0933460A (ja) * | 1995-07-25 | 1997-02-07 | Toshiba Corp | 半導体評価装置及びその評価方法 |
JP2978460B2 (ja) * | 1996-11-08 | 1999-11-15 | 理学電機工業株式会社 | 全反射蛍光x線分析における入射角設定方法および装置 |
JPH10253555A (ja) * | 1997-03-10 | 1998-09-25 | Super Silicon Kenkyusho:Kk | 全反射蛍光x線分析装置 |
JPH10282021A (ja) * | 1997-04-02 | 1998-10-23 | Rigaku Ind Co | 全反射蛍光x線分析における入射角設定方法および装置 |
JP3072092B2 (ja) * | 1998-06-19 | 2000-07-31 | 理学電機工業株式会社 | 試料台およびそれを用いた蛍光x線分析装置 |
JP4095991B2 (ja) * | 2005-02-03 | 2008-06-04 | シルトロニック・ジャパン株式会社 | 全反射蛍光x線分析装置 |
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