IL236401B - Diode laser based broad band light sources for wafer inspection tools - Google Patents

Diode laser based broad band light sources for wafer inspection tools

Info

Publication number
IL236401B
IL236401B IL236401A IL23640114A IL236401B IL 236401 B IL236401 B IL 236401B IL 236401 A IL236401 A IL 236401A IL 23640114 A IL23640114 A IL 23640114A IL 236401 B IL236401 B IL 236401B
Authority
IL
Israel
Prior art keywords
incident beam
light sources
laser diode
broadband light
different wavelength
Prior art date
Application number
IL236401A
Other languages
English (en)
Hebrew (he)
Other versions
IL236401A0 (en
Original Assignee
Kla Tencor Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kla Tencor Corp filed Critical Kla Tencor Corp
Publication of IL236401A0 publication Critical patent/IL236401A0/en
Publication of IL236401B publication Critical patent/IL236401B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/9501—Semiconductor wafers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • 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
    • G03F7/70483—Information management; Active and passive control; Testing; Wafer monitoring, e.g. pattern monitoring
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P74/00—Testing or measuring during manufacture or treatment of wafers, substrates or devices
    • H10P74/20—Testing or measuring during manufacture or treatment of wafers, substrates or devices characterised by the properties tested or measured, e.g. structural or electrical properties
    • H10P74/203—Structural properties, e.g. testing or measuring thicknesses, line widths, warpage, bond strengths or physical defects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • G01N2021/8845—Multiple wavelengths of illumination or detection
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/956—Inspecting patterns on the surface of objects
    • G01N2021/95676—Masks, reticles, shadow masks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/061—Sources
    • G01N2201/06113—Coherent sources; lasers
    • G01N2201/0612—Laser diodes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Testing Or Measuring Of Semiconductors Or The Like (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
IL236401A 2012-06-26 2014-12-23 Diode laser based broad band light sources for wafer inspection tools IL236401B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261664493P 2012-06-26 2012-06-26
US13/924,216 US8896827B2 (en) 2012-06-26 2013-06-21 Diode laser based broad band light sources for wafer inspection tools
PCT/US2013/047901 WO2014004679A1 (en) 2012-06-26 2013-06-26 Diode laser based broad band light sources for wafer inspection tools

Publications (2)

Publication Number Publication Date
IL236401A0 IL236401A0 (en) 2015-02-26
IL236401B true IL236401B (en) 2018-08-30

Family

ID=49774195

Family Applications (2)

Application Number Title Priority Date Filing Date
IL236401A IL236401B (en) 2012-06-26 2014-12-23 Diode laser based broad band light sources for wafer inspection tools
IL246806A IL246806B (en) 2012-06-26 2016-07-17 Diode laser based broad band light sources for wafer inspection tools

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL246806A IL246806B (en) 2012-06-26 2016-07-17 Diode laser based broad band light sources for wafer inspection tools

Country Status (5)

Country Link
US (2) US8896827B2 (OSRAM)
JP (3) JP6282643B2 (OSRAM)
KR (2) KR102091987B1 (OSRAM)
IL (2) IL236401B (OSRAM)
WO (1) WO2014004679A1 (OSRAM)

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Also Published As

Publication number Publication date
KR102091987B1 (ko) 2020-03-20
US20130342825A1 (en) 2013-12-26
US9110037B2 (en) 2015-08-18
IL246806A0 (en) 2016-08-31
JP6282643B2 (ja) 2018-02-21
JP2015524556A (ja) 2015-08-24
JP2020064063A (ja) 2020-04-23
IL246806B (en) 2019-08-29
US8896827B2 (en) 2014-11-25
KR20190032643A (ko) 2019-03-27
JP2018119963A (ja) 2018-08-02
KR20150021586A (ko) 2015-03-02
JP6932174B2 (ja) 2021-09-08
KR101961900B1 (ko) 2019-03-26
US20150042979A1 (en) 2015-02-12
WO2014004679A1 (en) 2014-01-03
IL236401A0 (en) 2015-02-26

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