IL298509B2 - מערכות אופטיות ושיטה לכיול שלהן - Google Patents
מערכות אופטיות ושיטה לכיול שלהןInfo
- Publication number
- IL298509B2 IL298509B2 IL298509A IL29850922A IL298509B2 IL 298509 B2 IL298509 B2 IL 298509B2 IL 298509 A IL298509 A IL 298509A IL 29850922 A IL29850922 A IL 29850922A IL 298509 B2 IL298509 B2 IL 298509B2
- Authority
- IL
- Israel
- Prior art keywords
- imaging lens
- image
- target plane
- objective lens
- light
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 82
- 238000000034 method Methods 0.000 title claims description 43
- 238000003384 imaging method Methods 0.000 claims description 162
- 238000007689 inspection Methods 0.000 claims description 31
- 239000004065 semiconductor Substances 0.000 claims description 10
- 210000001747 pupil Anatomy 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 description 27
- 238000010586 diagram Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000005286 illumination Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 235000012431 wafers Nutrition 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
-
- 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
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
-
- 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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/0004—Microscopes specially adapted for specific applications
- G02B21/0016—Technical microscopes, e.g. for inspection or measuring in industrial production processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
-
- 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
- G01N2021/8809—Adjustment for highlighting flaws
-
- 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
- G01N21/8851—Scan or image signal processing specially adapted therefor, e.g. for scan signal adjustment, for detecting different kinds of defects, for compensating for structures, markings, edges
- G01N2021/8854—Grading and classifying of flaws
- G01N2021/8861—Determining coordinates of flaws
- G01N2021/8864—Mapping zones of 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
- G01N21/95—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Pathology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Signal Processing (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Microscoopes, Condenser (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL298509A IL298509B2 (he) | 2022-11-23 | 2022-11-23 | מערכות אופטיות ושיטה לכיול שלהן |
| CN202310966789.5A CN118068551A (zh) | 2022-11-23 | 2023-08-02 | 光学系统和校准光学系统的方法 |
| KR1020230120267A KR20240076365A (ko) | 2022-11-23 | 2023-09-11 | 광학 시스템들 및 그 교정 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL298509A IL298509B2 (he) | 2022-11-23 | 2022-11-23 | מערכות אופטיות ושיטה לכיול שלהן |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| IL298509A IL298509A (he) | 2023-01-01 |
| IL298509B1 IL298509B1 (he) | 2023-12-01 |
| IL298509B2 true IL298509B2 (he) | 2024-04-01 |
Family
ID=89069681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL298509A IL298509B2 (he) | 2022-11-23 | 2022-11-23 | מערכות אופטיות ושיטה לכיול שלהן |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR20240076365A (he) |
| CN (1) | CN118068551A (he) |
| IL (1) | IL298509B2 (he) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4557599A (en) * | 1984-03-06 | 1985-12-10 | General Signal Corporation | Calibration and alignment target plate |
| US7342717B1 (en) * | 1997-07-10 | 2008-03-11 | Ruprecht Karts Universitaet Heidelberg | Wave field microscope with detection point spread function |
-
2022
- 2022-11-23 IL IL298509A patent/IL298509B2/he unknown
-
2023
- 2023-08-02 CN CN202310966789.5A patent/CN118068551A/zh active Pending
- 2023-09-11 KR KR1020230120267A patent/KR20240076365A/ko unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4557599A (en) * | 1984-03-06 | 1985-12-10 | General Signal Corporation | Calibration and alignment target plate |
| US7342717B1 (en) * | 1997-07-10 | 2008-03-11 | Ruprecht Karts Universitaet Heidelberg | Wave field microscope with detection point spread function |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20240076365A (ko) | 2024-05-30 |
| IL298509A (he) | 2023-01-01 |
| CN118068551A (zh) | 2024-05-24 |
| IL298509B1 (he) | 2023-12-01 |
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