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    SYSTEMS AND METHODS FOR METROLOGY WITH LAYER-SPECIFIC ILLUMINATION SPECTRA
    1.
    发明专利
    SYSTEMS AND METHODS FOR METROLOGY WITH LAYER-SPECIFIC ILLUMINATION SPECTRA 未知

    公开(公告)号：SG11201907747XA

    公开(公告)日：2019-10-30

    申请号：SG11201907747X

    申请日：2018-03-28

    Applicant: KLA TENCOR CORP

    Inventor： MANASSEN AMNON ,  NEGRI DARIA ,  HILL ANDREW V ,  BACHAR OHAD ,  LEVINSKI VLADIMIR ,  PASKOVER YURI

    IPC: H01L21/66

    Abstract: PUBLISHEDUNDER THE PATENT COOPERATION TREATY (PCT) IiiimmomiolollmonolomolmomEmmomoun () International Publication Number WO 2018/187108 Al WIPO I PCT (12) INTERNATIONAL APPLICATION (19) World Intellectual Property Organization International Bureau (43) International Publication Date 11 October 2018 (11.10.2018) (51) International Patent Classification: HO1L 21/66 (2006.01) (21) International Application Number: PCT/US2018/024702 (22) International Filing Date: 28 March 2018 (28.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/481,685 05 April 2017 (05.04.2017) US 15/608,766 30 May 2017 (30.05.2017) US (71) Applicant: KLA-TENCOR CORPORATION [US/US]; Legal Department, One Technology Drive, Milpitas, Cali- fornia 95035 (US). (72) Inventors: MANASSEN, Amnon; 10 Golda Meir Street, 34892 Haifa (IL). NEGRI, Dania; Ha'Alon Street 38/1, 36811 Nesher (IL). HILL, Andrew V.; 2112 Los Ange- les Avenue, Berkeley, California 94707 (US). BACHAR, Ohad; 29 He'elah Street, 36576 Timrat (IL). LEV- INSKI, Vladimir; Hermon 9, 23100 Migdal HaEmek (IL). PASKOVER, Yuri; 32A Seora Str, 30560 Binyamina (IL). (74) Agent: MCANDREWS, Kevin et al.; KLA-Tencor Corp., Legal Department, One Technology Drive, Milpitas, Cali- fornia 95035 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, (54) Title: SYSTEMS AND METHODS FOR METROLOGY WITH LAYER-SPECIFIC ILLUMINATION SPECTRA 126 CONTROLLER 128 PROCESSORS 130 MEMORY 100 122 108 40111111111110- 104 —120 102 n 124 114 V 112 110 106 116 1-1 cc O N cc 00 O O FIG.1 (57) : A metrology system includes an image device and a controller. The image device includes a spectrally-tunable illumi- nation device and a detector to generate images of a sample having metrology target elements on two or more sample layers based on radiation emanating from the sample in response to illumination from the spectrally-tunable illumination device. The controller determines layer-specific imaging configurations of the imaging device to image the metrology target elements on the two or more sample layers within a selected image quality tolerance in which each layer-specific imaging configuration includes an illumination spectrum from the spectrally-tunable illumination device. The controller further receives one or more images of the metrology target elements on the two or more sample layers generated using the layer-specific imaging configurations. The controller further provides a metrology measurement based on the one or more images of the metrology target elements on the two or more sample layers. [Continued on next page] WO 2018/187108 Al MIDEDIMOMOIDEIREEMOMOHOMOIDIMMIOMMIS MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: — with international search report (Art. 21(3))

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