JP6815401B2 - 高アスペクト比構造向けx線スキャタロメトリ計量 - Google Patents
高アスペクト比構造向けx線スキャタロメトリ計量 Download PDFInfo
- Publication number
- JP6815401B2 JP6815401B2 JP2018529961A JP2018529961A JP6815401B2 JP 6815401 B2 JP6815401 B2 JP 6815401B2 JP 2018529961 A JP2018529961 A JP 2018529961A JP 2018529961 A JP2018529961 A JP 2018529961A JP 6815401 B2 JP6815401 B2 JP 6815401B2
- Authority
- JP
- Japan
- Prior art keywords
- ray
- measurement target
- measurement
- aspect ratio
- saxs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005303 weighing Methods 0.000 title claims description 54
- 238000005259 measurement Methods 0.000 claims description 145
- 238000005286 illumination Methods 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 45
- 239000000463 material Substances 0.000 claims description 40
- 238000004458 analytical method Methods 0.000 claims description 36
- 230000010365 information processing Effects 0.000 claims description 33
- 230000005855 radiation Effects 0.000 claims description 30
- 230000003287 optical effect Effects 0.000 claims description 29
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 15
- 230000004044 response Effects 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000005415 magnetization Effects 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 claims description 2
- 238000009795 derivation Methods 0.000 claims 5
- 235000012431 wafers Nutrition 0.000 description 53
- 238000000235 small-angle X-ray scattering Methods 0.000 description 33
- 239000004065 semiconductor Substances 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 20
- 238000003860 storage Methods 0.000 description 20
- 238000010276 construction Methods 0.000 description 10
- 238000007689 inspection Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 7
- 238000005316 response function Methods 0.000 description 7
- 238000005530 etching Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 238000000333 X-ray scattering Methods 0.000 description 4
- 238000001459 lithography Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000004630 atomic force microscopy Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000875 corresponding effect Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000010894 electron beam technology Methods 0.000 description 3
- 238000000572 ellipsometry Methods 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000004422 calculation algorithm Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000001066 destructive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000004626 scanning electron microscopy Methods 0.000 description 2
- 238000004574 scanning tunneling microscopy Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000012916 structural analysis Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910000807 Ga alloy Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910000846 In alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910021486 amorphous silicon dioxide Inorganic materials 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002408 directed self-assembly Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- UJXZVRRCKFUQKG-UHFFFAOYSA-K indium(3+);phosphate Chemical compound [In+3].[O-]P([O-])([O-])=O UJXZVRRCKFUQKG-UHFFFAOYSA-K 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000010884 ion-beam technique Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000002070 nanowire Substances 0.000 description 1
- 238000013041 optical simulation Methods 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000004439 roughness measurement Methods 0.000 description 1
- 238000012607 small angle X-ray scattering experiment Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
- G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
- G01N23/083—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/201—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials by measuring small-angle scattering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/2055—Analysing diffraction patterns
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/20—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/207—Diffractometry using detectors, e.g. using a probe in a central position and one or more displaceable detectors in circumferential positions
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/7085—Detection arrangement, e.g. detectors of apparatus alignment possibly mounted on wafers, exposure dose, photo-cleaning flux, stray light, thermal load
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
- H01L22/24—Optical enhancement of defects or not directly visible states, e.g. selective electrolytic deposition, bubbles in liquids, light emission, colour change
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/56—Measuring geometric parameters of semiconductor structures, e.g. profile, critical dimensions or trench depth
Description
本件特許出願は、「垂直製作デバイスに係るX線散乱」(X-ray Scattering for Vertically Manufactured Devices)と題する2015年12月11日付米国暫定特許出願第62/266447号に基づき米国特許法第119条の規定による優先権を主張する出願であるので、この参照を以てその全主題を本願に繰り入れることにする。
Claims (21)
- ある線量のX線輻射を生成するよう構成されたX線照明源と、
ウェハ表面上に形成された計測ターゲットを、上記ある線量のX線輻射集束ビームで以て、その計測ターゲットに対し複数通りの方向にて照明するよう構成されたX線照明光学系サブシステムであり、その計測ターゲットが1個又は複数個の高アスペクト比構造を有し、上記相異なる複数通りの方向が不均一間隔であり、ウェハ表面法線付近の4°以内の範囲ではより密に集中していてウェハ表面法線から遠い方向の10°〜40°の範囲にはあまり密に集中していないX線照明光学系サブシステムと、
各方向のX線輻射入射ビームに応じ、上記計測ターゲットから散乱されてくるある線量の輻射の一通り又は複数個の次数別回折成分(diffraction order)にそれぞれ係る、一通り又は複数通りの強度を検出するよう構成されたX線検出器と、
情報処理システムと、
を備え、その情報処理システムが、上記相異なる複数通りの方向での上記次数別回折成分の強度検出結果に基づき上記計測ターゲットのモデルに係る注目パラメタの値を導出するよう構成されている計量システム。 - 請求項1に記載の計量システムであって、上記注目パラメタが形状パラメタである計量システム。
- 請求項1に記載の計量システムであって、上記1個又は複数個の高アスペクト比構造が少なくとも1μmの総深度を有する計量システム。
- 請求項3に記載の計量システムであって、上記1個又は複数個の高アスペクト比構造がスピン注入磁化反転ランダムアクセスメモリ(STT−RAM)、三次元NANDメモリ(3D−NAND)、ダイナミックランダムアクセスメモリ(DRAM)、三次元FLASH(登録商標)メモリ(3D−FLASH(登録商標))、抵抗変化型ランダムアクセスメモリ(Re−RAM)及び相変化ランダムアクセスメモリ(PC−RAM)のうちいずれかである計量システム。
- 請求項1に記載の計量システムであって、アスペクト比が最大高さ寸法を最大横方向拡がり寸法で除したものとして定義されるところ、上記1個又は複数個の高アスペクト比構造が少なくとも20のアスペクト比を有する計量システム。
- 請求項1に記載の計量システムであって、上記1個又は複数個の高アスペクト比構造が、交互配置された異種素材層を備える計量システム。
- 請求項1に記載の計量システムであって、上記X線照明源が液体金属ジェットX線照明源、液体陽極X線照明源及び逆コンプトンX線照明源のうちいずれかを有する計量システム。
- 請求項1に記載の計量システムであって、上記計測ターゲットがスクライブライン領域内又は能動ダイ領域内に所在する計量システム。
- 請求項1に記載の計量システムであって、上記少なくとも1個の注目パラメタの導出が、幾何パラメタ化応答モデルによる上記次数別回折成分の強度検出結果のフィッティング分析を含む計量システム。
- 請求項9に記載の計量システムであって、上記情報処理システムが、更に、上記相異なる複数通りの方向での上記次数別回折成分の強度検出結果に基づき上記計測ターゲットの多次元像を導出するよう構成されている計量システム。
- 請求項10に記載の計量システムであって、上記情報処理システムが、更に、上記計測ターゲットの像と上記少なくとも1個の注目パラメタとの間の差異に基づき上記計測ターゲットの幾何パラメタ化応答モデルを修正するよう構成されている計量システム。
- 請求項1に記載の計量システムであって、上記注目パラメタの値の導出が、結合幾何パラメタ化応答モデルによる、上記相異なる複数通りの方向での上記次数別回折成分の強度検出結果と、光学強度検出結果と、の結合フィッティング分析を含み、その光学強度が光学計量ツールにより計測される計量システム。
- ウェハ表面上に形成された計測ターゲットを、X線輻射集束ビームで以て、その計測ターゲットに対し相異なる複数通りの方向にて照明するステップであり、その計測ターゲットが1個又は複数個の高アスペクト比構造を有し、当該相異なる複数通りの方向が不均一間隔であり、ウェハ表面法線付近の4°以内の範囲ではより密に集中していてウェハ表面法線から遠い方向の10°〜40°の範囲にはあまり密に集中していないステップと、
各方向のX線輻射入射ビームに応じ、上記計測ターゲットから散乱されてくるある線量の輻射の一通り又は複数個の次数別回折成分にそれぞれ係る、一通り又は複数通りの強度を検出するステップと、
上記相異なる複数通りの方向での上記次数別回折成分の強度検出結果に基づき上記計測ターゲットのモデルに係る注目パラメタの値を導出するステップと、
を有する方法。 - 請求項13に記載の方法であって、上記1個又は複数個の高アスペクト比構造が少なくとも1μmの総深度を有する方法。
- 請求項13に記載の方法であって、アスペクト比が最大高さ寸法を最大横方向拡がり寸法で除したものとして定義されるところ、上記1個又は複数個の高アスペクト比構造が少なくとも20のアスペクト比を有する方法。
- 請求項13に記載の方法であって、上記少なくとも1個の注目パラメタの導出が、幾何パラメタ化応答モデルによる上記次数別回折成分の強度検出結果のフィッティング分析を含む方法。
- 請求項16に記載の方法であって、更に、
上記相異なる複数通りの方向での上記次数別回折成分の強度検出結果に基づき上記計測ターゲットの多次元像を導出するステップを有する方法。 - 請求項17に記載の方法であって、更に、
上記計測ターゲットの像と上記少なくとも1個の注目パラメタとの間の差異に基づき上記計測ターゲットの幾何パラメタ化応答モデルを修正するステップを有する方法。 - 請求項13に記載の方法であって、上記注目パラメタの値の導出が、結合幾何パラメタ化応答モデルによる、上記相異なる複数通りの方向での上記次数別回折成分の強度検出結果と、光学強度検出結果と、の結合フィッティング分析を含み、その光学強度が光学計量ツールにより計測される方法。
- ある線量のX線輻射を生成するよう構成されたX線照明源と、
ウェハ表面上に形成された計測ターゲットを、上記ある線量のX線輻射集束ビームで以て、その計測ターゲットに対し複数通りの相異なる方向にて照明するよう構成されたX線照明光学系サブシステムであり、その計測ターゲットが1個又は複数個の高アスペクト比構造を有し、上記相異なる複数通りの方向が不均一間隔であり、ウェハ表面法線付近の4°以内の範囲ではより密に集中していてウェハ表面法線から遠い方向の10°〜40°の範囲にはあまり密に集中していないX線照明光学系サブシステムと、
各方向のX線輻射入射ビームに応じ、上記計測ターゲットから散乱されてくるある線量の輻射の一通り又は複数個の次数別回折成分にそれぞれ係る、一通り又は複数通りの強度を検出するよう構成されたX線検出器と、
非一時的コンピュータ可読媒体と、
を備え、その非一時的コンピュータ可読媒体が、上記複数通りの方向での上記次数別回折成分の強度検出結果に基づき上記計測ターゲットのモデルに係る注目パラメタの値を情報処理システムに導出させるためのコードを、備える計量システム。 - 請求項20に記載の計量システムであって、上記注目パラメタの値の導出が、結合幾何パラメタ化応答モデルによる、上記相異なる複数通りの方向での上記次数別回折成分の強度検出結果と、光学強度検出結果と、の結合フィッティング分析を含み、その光学強度が光学計量ツールにより計測される計量システム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562266447P | 2015-12-11 | 2015-12-11 | |
US62/266,447 | 2015-12-11 | ||
US15/230,336 US10352695B2 (en) | 2015-12-11 | 2016-08-05 | X-ray scatterometry metrology for high aspect ratio structures |
US15/230,336 | 2016-08-05 | ||
PCT/US2016/054758 WO2017099870A1 (en) | 2015-12-11 | 2016-09-30 | X-ray scatterometry metrology for high aspect ratio structures |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019505766A JP2019505766A (ja) | 2019-02-28 |
JP6815401B2 true JP6815401B2 (ja) | 2021-01-20 |
Family
ID=59014021
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018529961A Active JP6815401B2 (ja) | 2015-12-11 | 2016-09-30 | 高アスペクト比構造向けx線スキャタロメトリ計量 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10352695B2 (ja) |
JP (1) | JP6815401B2 (ja) |
KR (1) | KR102363266B1 (ja) |
CN (1) | CN108401437B (ja) |
IL (1) | IL259489B (ja) |
TW (1) | TWI689702B (ja) |
WO (1) | WO2017099870A1 (ja) |
Families Citing this family (63)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150117599A1 (en) | 2013-10-31 | 2015-04-30 | Sigray, Inc. | X-ray interferometric imaging system |
US10295485B2 (en) | 2013-12-05 | 2019-05-21 | Sigray, Inc. | X-ray transmission spectrometer system |
USRE48612E1 (en) | 2013-10-31 | 2021-06-29 | Sigray, Inc. | X-ray interferometric imaging system |
US10481111B2 (en) * | 2016-10-21 | 2019-11-19 | Kla-Tencor Corporation | Calibration of a small angle X-ray scatterometry based metrology system |
TWI744493B (zh) * | 2017-02-27 | 2021-11-01 | 以色列商諾發測量儀器股份有限公司 | 控制系統 |
JP6904731B2 (ja) * | 2017-03-01 | 2021-07-21 | 株式会社Zozo | サイズ測定装置、管理サーバ、ユーザ端末及びサイズ測定システム |
US10767978B2 (en) | 2017-04-14 | 2020-09-08 | Kla-Tencor Corporation | Transmission small-angle X-ray scattering metrology system |
US11073487B2 (en) | 2017-05-11 | 2021-07-27 | Kla-Tencor Corporation | Methods and systems for characterization of an x-ray beam with high spatial resolution |
US10727142B2 (en) | 2017-05-30 | 2020-07-28 | Kla-Tencor Corporation | Process monitoring of deep structures with X-ray scatterometry |
US10983227B2 (en) | 2017-08-14 | 2021-04-20 | Kla-Tencor Corporation | On-device metrology using target decomposition |
US11317500B2 (en) | 2017-08-30 | 2022-04-26 | Kla-Tencor Corporation | Bright and clean x-ray source for x-ray based metrology |
US10748736B2 (en) * | 2017-10-18 | 2020-08-18 | Kla-Tencor Corporation | Liquid metal rotating anode X-ray source for semiconductor metrology |
US11156548B2 (en) | 2017-12-08 | 2021-10-26 | Kla-Tencor Corporation | Measurement methodology of advanced nanostructures |
US10895541B2 (en) | 2018-01-06 | 2021-01-19 | Kla-Tencor Corporation | Systems and methods for combined x-ray reflectometry and photoelectron spectroscopy |
CN108151640B (zh) * | 2018-01-17 | 2024-04-16 | 中国科学院宁波材料技术与工程研究所 | 弹性导体在测量尺中的应用、电子测量尺及测量方法 |
KR102468979B1 (ko) * | 2018-03-05 | 2022-11-18 | 케이엘에이 코포레이션 | 3차원 반도체 구조의 시각화 |
US10794839B2 (en) | 2019-02-22 | 2020-10-06 | Kla Corporation | Visualization of three-dimensional semiconductor structures |
US11519869B2 (en) * | 2018-03-20 | 2022-12-06 | Kla Tencor Corporation | Methods and systems for real time measurement control |
US10816486B2 (en) | 2018-03-28 | 2020-10-27 | Kla-Tencor Corporation | Multilayer targets for calibration and alignment of X-ray based measurement systems |
JP2019191167A (ja) * | 2018-04-23 | 2019-10-31 | ブルカー ジェイヴィ イスラエル リミテッドBruker Jv Israel Ltd. | 小角x線散乱測定用のx線源光学系 |
US10845491B2 (en) | 2018-06-04 | 2020-11-24 | Sigray, Inc. | Energy-resolving x-ray detection system |
GB2591630B (en) | 2018-07-26 | 2023-05-24 | Sigray Inc | High brightness x-ray reflection source |
US11703464B2 (en) | 2018-07-28 | 2023-07-18 | Bruker Technologies Ltd. | Small-angle x-ray scatterometry |
KR20210028276A (ko) * | 2018-07-31 | 2021-03-11 | 램 리써치 코포레이션 | 고 종횡비 구조체들의 패터닝된 어레이들 내의 틸팅 각도 결정 |
US10656105B2 (en) | 2018-08-06 | 2020-05-19 | Sigray, Inc. | Talbot-lau x-ray source and interferometric system |
CN112638261A (zh) | 2018-09-04 | 2021-04-09 | 斯格瑞公司 | 利用滤波的x射线荧光的系统和方法 |
DE112019004478T5 (de) | 2018-09-07 | 2021-07-08 | Sigray, Inc. | System und verfahren zur röntgenanalyse mit wählbarer tiefe |
US11562289B2 (en) | 2018-12-06 | 2023-01-24 | Kla Corporation | Loosely-coupled inspection and metrology system for high-volume production process monitoring |
JP7168985B2 (ja) | 2019-04-22 | 2022-11-10 | 株式会社リガク | 微細構造の解析方法、装置およびプログラム |
US11308606B2 (en) * | 2019-08-16 | 2022-04-19 | Kla Corporation | Design-assisted inspection for DRAM and 3D NAND devices |
US11581264B2 (en) | 2019-08-21 | 2023-02-14 | Micron Technology, Inc. | Electronic devices comprising overlay marks, memory devices comprising overlay marks, and related methods |
US11460418B2 (en) | 2019-08-26 | 2022-10-04 | Kla Corporation | Methods and systems for semiconductor metrology based on wavelength resolved soft X-ray reflectometry |
US11143605B2 (en) | 2019-09-03 | 2021-10-12 | Sigray, Inc. | System and method for computed laminography x-ray fluorescence imaging |
US11867595B2 (en) | 2019-10-14 | 2024-01-09 | Industrial Technology Research Institute | X-ray reflectometry apparatus and method thereof for measuring three dimensional nanostructures on flat substrate |
US11272607B2 (en) | 2019-11-01 | 2022-03-08 | Kla Corporation | Laser produced plasma illuminator with low atomic number cryogenic target |
US11259394B2 (en) | 2019-11-01 | 2022-02-22 | Kla Corporation | Laser produced plasma illuminator with liquid sheet jet target |
US11520321B2 (en) | 2019-12-02 | 2022-12-06 | Kla Corporation | Measurement recipe optimization based on probabilistic domain knowledge and physical realization |
US11610297B2 (en) | 2019-12-02 | 2023-03-21 | Kla Corporation | Tomography based semiconductor measurements using simplified models |
US11698251B2 (en) | 2020-01-07 | 2023-07-11 | Kla Corporation | Methods and systems for overlay measurement based on soft X-ray Scatterometry |
US11719652B2 (en) | 2020-02-04 | 2023-08-08 | Kla Corporation | Semiconductor metrology and inspection based on an x-ray source with an electron emitter array |
US11175243B1 (en) | 2020-02-06 | 2021-11-16 | Sigray, Inc. | X-ray dark-field in-line inspection for semiconductor samples |
US11513085B2 (en) | 2020-02-20 | 2022-11-29 | Kla Corporation | Measurement and control of wafer tilt for x-ray based metrology |
US11143604B1 (en) | 2020-04-06 | 2021-10-12 | Kla Corporation | Soft x-ray optics with improved filtering |
US11335608B2 (en) | 2020-04-15 | 2022-05-17 | Kla Corporation | Electron beam system for inspection and review of 3D devices |
US11761913B2 (en) * | 2020-05-04 | 2023-09-19 | Bruker Technologies Ltd. | Transmission X-ray critical dimension (T-XCD) characterization of shift and tilt of stacks of high-aspect-ratio (HAR) structures |
WO2021237237A1 (en) | 2020-05-18 | 2021-11-25 | Sigray, Inc. | System and method for x-ray absorption spectroscopy using a crystal analyzer and a plurality of detector elements |
JP7458935B2 (ja) | 2020-08-26 | 2024-04-01 | キオクシア株式会社 | 計測装置、及び、計測方法 |
US11798828B2 (en) | 2020-09-04 | 2023-10-24 | Kla Corporation | Binning-enhanced defect detection method for three-dimensional wafer structures |
US11549895B2 (en) | 2020-09-17 | 2023-01-10 | Sigray, Inc. | System and method using x-rays for depth-resolving metrology and analysis |
US11530913B2 (en) | 2020-09-24 | 2022-12-20 | Kla Corporation | Methods and systems for determining quality of semiconductor measurements |
US11686692B2 (en) | 2020-12-07 | 2023-06-27 | Sigray, Inc. | High throughput 3D x-ray imaging system using a transmission x-ray source |
US20220196576A1 (en) * | 2020-12-17 | 2022-06-23 | Kla Corporation | Methods And Systems For Compact, Small Spot Size Soft X-Ray Scatterometry |
US20220252395A1 (en) * | 2021-02-10 | 2022-08-11 | Kla Corporation | Methods And Systems For Accurate Measurement Of Deep Structures Having Distorted Geometry |
US11604420B2 (en) | 2021-05-03 | 2023-03-14 | Kla Corporation | Self-calibrating overlay metrology |
US20220404143A1 (en) * | 2021-06-18 | 2022-12-22 | Kla Corporation | Methods And Systems For Measurement Of Tilt And Overlay Of A Structure |
US11604063B2 (en) | 2021-06-24 | 2023-03-14 | Kla Corporation | Self-calibrated overlay metrology using a skew training sample |
CN117529391A (zh) * | 2021-08-06 | 2024-02-06 | 川崎车辆株式会社 | 构造物的制造方法、构造物制造用的标识符、构造物的制造系统及机械加工程序 |
US11781999B2 (en) | 2021-09-05 | 2023-10-10 | Bruker Technologies Ltd. | Spot-size control in reflection-based and scatterometry-based X-ray metrology systems |
JP2023137548A (ja) | 2022-03-18 | 2023-09-29 | キオクシア株式会社 | 計測装置及び計測方法 |
US11885755B2 (en) | 2022-05-02 | 2024-01-30 | Sigray, Inc. | X-ray sequential array wavelength dispersive spectrometer |
US11955308B1 (en) | 2022-09-22 | 2024-04-09 | Kla Corporation | Water cooled, air bearing based rotating anode x-ray illumination source |
CN115344937B (zh) * | 2022-10-20 | 2023-03-17 | 三一筑工科技股份有限公司 | 一种钢筋标注方法、装置、电子设备及存储介质 |
CN116499401A (zh) * | 2023-06-29 | 2023-07-28 | 深圳市圭华智能科技有限公司 | 基于X-ray的晶圆级玻璃通孔TGV检测装置及方法 |
Family Cites Families (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5798846A (en) * | 1980-12-11 | 1982-06-19 | Nec Corp | X-ray diffractometer |
US5608526A (en) | 1995-01-19 | 1997-03-04 | Tencor Instruments | Focused beam spectroscopic ellipsometry method and system |
US6734967B1 (en) | 1995-01-19 | 2004-05-11 | Kla-Tencor Technologies Corporation | Focused beam spectroscopic ellipsometry method and system |
GB2297835A (en) * | 1995-02-08 | 1996-08-14 | Secr Defence | Three dimensional detection of contraband using x rays |
US5859424A (en) | 1997-04-08 | 1999-01-12 | Kla-Tencor Corporation | Apodizing filter system useful for reducing spot size in optical measurements and other applications |
US6429943B1 (en) | 2000-03-29 | 2002-08-06 | Therma-Wave, Inc. | Critical dimension analysis with simultaneous multiple angle of incidence measurements |
US7139083B2 (en) | 2000-09-20 | 2006-11-21 | Kla-Tencor Technologies Corp. | Methods and systems for determining a composition and a thickness of a specimen |
US6895075B2 (en) | 2003-02-12 | 2005-05-17 | Jordan Valley Applied Radiation Ltd. | X-ray reflectometry with small-angle scattering measurement |
AU2002360738A1 (en) | 2001-12-19 | 2003-07-09 | Kla-Tencor Technologies Corporation | Parametric profiling using optical spectroscopic systems |
US6816570B2 (en) | 2002-03-07 | 2004-11-09 | Kla-Tencor Corporation | Multi-technique thin film analysis tool |
US7245696B2 (en) * | 2002-05-29 | 2007-07-17 | Xradia, Inc. | Element-specific X-ray fluorescence microscope and method of operation |
CN1270176C (zh) * | 2002-12-02 | 2006-08-16 | 中国科学技术大学 | 对组合样品的结构和成分进行测量分析的方法及装置 |
US7076024B2 (en) | 2004-12-01 | 2006-07-11 | Jordan Valley Applied Radiation, Ltd. | X-ray apparatus with dual monochromators |
US7478019B2 (en) | 2005-01-26 | 2009-01-13 | Kla-Tencor Corporation | Multiple tool and structure analysis |
JP2006275901A (ja) * | 2005-03-30 | 2006-10-12 | Seiko Epson Corp | 結晶評価装置および結晶評価方法 |
KR101374308B1 (ko) * | 2005-12-23 | 2014-03-14 | 조르단 밸리 세미컨덕터즈 리미티드 | Xrf를 사용한 층 치수의 정밀 측정법 |
US7567351B2 (en) | 2006-02-02 | 2009-07-28 | Kla-Tencor Corporation | High resolution monitoring of CD variations |
JP2007285923A (ja) * | 2006-04-18 | 2007-11-01 | Jordan Valley Semiconductors Ltd | 反射モードのx線回折を用いた限界寸法の測定 |
US7755764B2 (en) | 2007-01-26 | 2010-07-13 | Kla-Tencor Corporation | Purge gas flow control for high-precision film measurements using ellipsometry and reflectometry |
US7920676B2 (en) * | 2007-05-04 | 2011-04-05 | Xradia, Inc. | CD-GISAXS system and method |
US7907264B1 (en) | 2007-09-07 | 2011-03-15 | Kla-Tencor Corporation | Measurement of thin film porosity |
KR101041840B1 (ko) | 2008-05-15 | 2011-06-17 | 주식회사 쎄크 | 불량검사장치 및 그 제어방법 |
US7929667B1 (en) | 2008-10-02 | 2011-04-19 | Kla-Tencor Corporation | High brightness X-ray metrology |
BR112013005913A2 (pt) * | 2010-09-13 | 2016-05-17 | Thunder Bay Regional Res Inst | métodos de apagar uma imagem residual, de obter uma imagem de raio-x, de pré-condicionar um dispositivo de formação de imagem de válvula de luz de raio-x, sistema para medir imagens de raio-x, e, dispositivo de formação de imagem de válvula de luz de raio-x |
US9228943B2 (en) | 2011-10-27 | 2016-01-05 | Kla-Tencor Corporation | Dynamically adjustable semiconductor metrology system |
US10801975B2 (en) | 2012-05-08 | 2020-10-13 | Kla-Tencor Corporation | Metrology tool with combined X-ray and optical scatterometers |
US10013518B2 (en) | 2012-07-10 | 2018-07-03 | Kla-Tencor Corporation | Model building and analysis engine for combined X-ray and optical metrology |
WO2014062972A1 (en) | 2012-10-18 | 2014-04-24 | Kla-Tencor Corporation | Symmetric target design in scatterometry overlay metrology |
US9581430B2 (en) | 2012-10-19 | 2017-02-28 | Kla-Tencor Corporation | Phase characterization of targets |
US8860937B1 (en) | 2012-10-24 | 2014-10-14 | Kla-Tencor Corp. | Metrology systems and methods for high aspect ratio and large lateral dimension structures |
US10769320B2 (en) | 2012-12-18 | 2020-09-08 | Kla-Tencor Corporation | Integrated use of model-based metrology and a process model |
US9291554B2 (en) | 2013-02-05 | 2016-03-22 | Kla-Tencor Corporation | Method of electromagnetic modeling of finite structures and finite illumination for metrology and inspection |
US10101670B2 (en) | 2013-03-27 | 2018-10-16 | Kla-Tencor Corporation | Statistical model-based metrology |
CN103207195B (zh) * | 2013-04-08 | 2015-01-14 | 中国科学技术大学 | 一种小角和广角x射线散射联用装置及其实验测试方法 |
US9875946B2 (en) | 2013-04-19 | 2018-01-23 | Kla-Tencor Corporation | On-device metrology |
US9915522B1 (en) | 2013-06-03 | 2018-03-13 | Kla-Tencor Corporation | Optimized spatial modeling for optical CD metrology |
US9383661B2 (en) | 2013-08-10 | 2016-07-05 | Kla-Tencor Corporation | Methods and apparatus for determining focus |
US10935893B2 (en) | 2013-08-11 | 2021-03-02 | Kla-Tencor Corporation | Differential methods and apparatus for metrology of semiconductor targets |
US9778213B2 (en) * | 2013-08-19 | 2017-10-03 | Kla-Tencor Corporation | Metrology tool with combined XRF and SAXS capabilities |
US9846132B2 (en) | 2013-10-21 | 2017-12-19 | Kla-Tencor Corporation | Small-angle scattering X-ray metrology systems and methods |
US9885962B2 (en) | 2013-10-28 | 2018-02-06 | Kla-Tencor Corporation | Methods and apparatus for measuring semiconductor device overlay using X-ray metrology |
US10460999B2 (en) | 2013-11-27 | 2019-10-29 | Taiwan Semiconductor Manufacturing Co., Ltd. | Metrology device and metrology method thereof |
US9588066B2 (en) * | 2014-01-23 | 2017-03-07 | Revera, Incorporated | Methods and systems for measuring periodic structures using multi-angle X-ray reflectance scatterometry (XRS) |
US9494535B2 (en) | 2014-04-21 | 2016-11-15 | Kla-Tencor Corporation | Scatterometry-based imaging and critical dimension metrology |
-
2016
- 2016-08-05 US US15/230,336 patent/US10352695B2/en active Active
- 2016-09-14 TW TW105129968A patent/TWI689702B/zh active
- 2016-09-30 WO PCT/US2016/054758 patent/WO2017099870A1/en active Application Filing
- 2016-09-30 JP JP2018529961A patent/JP6815401B2/ja active Active
- 2016-09-30 CN CN201680070562.0A patent/CN108401437B/zh active Active
- 2016-09-30 KR KR1020187019108A patent/KR102363266B1/ko active IP Right Grant
-
2018
- 2018-05-21 IL IL259489A patent/IL259489B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN108401437A (zh) | 2018-08-14 |
JP2019505766A (ja) | 2019-02-28 |
WO2017099870A1 (en) | 2017-06-15 |
TW201730514A (zh) | 2017-09-01 |
KR102363266B1 (ko) | 2022-02-14 |
US20170167862A1 (en) | 2017-06-15 |
CN108401437B (zh) | 2021-02-26 |
US10352695B2 (en) | 2019-07-16 |
IL259489A (en) | 2018-07-31 |
TWI689702B (zh) | 2020-04-01 |
IL259489B (en) | 2021-09-30 |
KR20180083435A (ko) | 2018-07-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6815401B2 (ja) | 高アスペクト比構造向けx線スキャタロメトリ計量 | |
US11313816B2 (en) | Full beam metrology for x-ray scatterometry systems | |
US11955391B2 (en) | Process monitoring of deep structures with X-ray scatterometry | |
JP7001846B2 (ja) | X線計量方法 | |
JP7376666B2 (ja) | 透過型小角x線散乱計量システム | |
US9494535B2 (en) | Scatterometry-based imaging and critical dimension metrology | |
JP7317849B2 (ja) | リアルタイム測定制御のための方法およびシステム |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190920 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200617 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200707 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201001 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20201201 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20201222 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6815401 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |