WO2007125941A1 - 欠陥分布分類方法およびシステム、原因設備特定方法およびシステム、コンピュータプログラム、並びに記録媒体 - Google Patents
欠陥分布分類方法およびシステム、原因設備特定方法およびシステム、コンピュータプログラム、並びに記録媒体 Download PDFInfo
- Publication number
- WO2007125941A1 WO2007125941A1 PCT/JP2007/058916 JP2007058916W WO2007125941A1 WO 2007125941 A1 WO2007125941 A1 WO 2007125941A1 JP 2007058916 W JP2007058916 W JP 2007058916W WO 2007125941 A1 WO2007125941 A1 WO 2007125941A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- defect
- substrate
- equipment
- defect density
- features
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0004—Industrial image inspection
-
- 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
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30148—Semiconductor; IC; Wafer
Definitions
- the present invention relates to a defect distribution classification method, and more particularly to a defect distribution classification method for classifying a defect distribution on a substrate processed in a production line including a plurality of processes.
- the present invention also relates to a defect distribution classification system suitable for executing such a defect distribution classification method.
- the present invention executes such a defect distribution classification method and, based on the classified result, an abnormal process or facility that causes a product defect or the like in a production line including a plurality of processes. It relates to a cause facility identification method.
- the present invention also relates to a causal equipment specifying system suitable for executing such a causal equipment specifying method.
- the present invention relates to a computer program for causing a computer to execute such a defect distribution classification method or a cause facility identification method.
- the present invention also relates to a computer-readable recording medium in which such a computer program is recorded.
- defect distribution image data indicated by gray values is created by adding the number of defects for each pixel in a lattice pattern to a plurality of semiconductor substrates! The In addition, it is possible to estimate the cause of occurrence of multiple prepared defect distribution image data The cause of the defect is investigated by collating with a case database.
- the defect distribution on the substrate is any one of a) repeated defects, b) dense defects, c) linear defects, d) ring-shaped defects, and e) random defects. It is classified into the distribution feature power category.
- Japanese Patent Laid-Open No. 2005-142406 a common divided region for a plurality of types of semiconductor devices is set in a wafer plane, and the number of defective chip regions included in each divided region is used for each wafer. The features are calculated, and each wafer is classified using these features.
- an object of the present invention is to provide a defect distribution classification method capable of automatically extracting and classifying defects on a substrate to be processed in a manufacturing line including a plurality of processes without human intervention. Is to provide.
- Another object of the present invention is to provide a defect distribution classification system suitable for executing such a defect distribution classification method.
- the present invention provides a causal equipment identification method capable of identifying an abnormal process or equipment that causes a product defect or the like in a production line including a plurality of processes without human intervention. I will.
- the present invention is to provide a causal equipment specifying system suitable for executing such a causal equipment specifying method.
- the present invention is to provide a computer program for causing a computer to execute such a defect distribution classification method or a cause facility identification method.
- Another object of the present invention is to provide a computer-readable recording medium in which such a computer program is recorded.
- the defect distribution classification method of the present invention provides:
- a defect distribution classification method for extracting and classifying defects on a substrate to be processed in a production line including a plurality of processes
- the above manufacturing line has inspection information indicating the position of the defect on each substrate after the completion of a predetermined process. Including an inspection process to obtain information,
- the degree of similarity between the P features and the defect density information of each substrate is obtained, and each substrate is classified for each of the P features according to the degree of similarity.
- the process of dividing the surface of each substrate into n regions and obtaining defect density information having the (m X n) components The process of extracting the features and the similarity between the P features and the defect density information of each substrate are obtained, and the respective substrates are classified for each of the P features according to the similarity.
- processing can be performed uniformly with the same rules.
- each of the above processes can be executed even if a human does not set a case database (library), a defect distribution pattern, a class, etc.
- this defect distribution classification method of the present invention it is possible to automatically extract and classify defects on a substrate to be processed through a production line including a plurality of processes without human intervention.
- this defect distribution classification method is readily applicable to production line monitoring.
- this defect distribution classification method does not require maintenance of rules (identification rules) for recognizing defect distribution even when the type of device to be manufactured, manufacturing process, or type of equipment changes. It can be used.
- the defect density information is a set of first vectors each having n components for the m substrates.
- the P features are second vectors with n components each.
- the similarity is obtained as a correlation coefficient, inner product, or covariance between the first vector and the p second vectors for each of the substrates.
- the similarity is objectively obtained.
- the defect distribution classification system of the present invention includes:
- a defect distribution classification system that extracts and classifies defects on a substrate to be processed in a production line including a plurality of processes.
- the production line includes an inspection process for obtaining inspection information indicating the position of a defect on each substrate after completion of a predetermined process.
- a defect density distribution acquisition unit for acquiring defect density information having (m X n) components representing the defect density included in each of the regions based on the inspection information;
- a feature extraction unit that extracts p features (where p is a natural number less than m) that is statistically independent from the defect density information having (m X n) components,
- a classification result obtaining unit that obtains the similarity between the P features and the defect density information of each substrate and classifies the substrates for each of the P features according to the similarity; .
- the processing by the defect density distribution acquisition unit, the processing by the feature extraction unit, and the processing by the classification result acquisition unit are the model of the device to be manufactured, the manufacturing process, and the equipment. Regardless of the type, the same rule can be used for each.
- each of the above-described processes can be executed even if a person sets a case database (library), a defect distribution pattern, a class, etc. in advance and does not have any trouble. Therefore, according to the defect distribution classification system of the present invention, it is possible to automatically extract and classify defects on a substrate to be processed through a production line including a plurality of processes without human intervention. As a result, this defect distribution classification system can be immediately applied to production line monitoring. In addition, this defect distribution classification system is always used because maintenance of rules (identification rules) for recognizing defect distribution is not required even when the type of device to be manufactured, manufacturing process, or type of equipment changes. Is possible.
- the cause facility identifying method of the present invention is:
- the production line includes an inspection process for obtaining inspection information indicating the position of a defect on each substrate after completion of a predetermined process.
- Each of the P features and the defect density information of each substrate is obtained, and the respective substrates are classified for each of the P features according to the similarity.
- the cause equipment that caused the failure among the plurality of equipments Based on the obtained classification results and manufacturing history information that identifies the equipment that has been processed in each step for each of the substrates, the cause equipment that caused the failure among the plurality of equipments. To extract.
- the surface of each substrate is partitioned into n regions, and defect density information having the (m X n) components is obtained, and the p features are obtained.
- a process of extracting, a process of determining the similarity between the p features and the defect density information of each of the substrates, and classifying the substrates for each of the p features according to the similarity, and The process of extracting the causal equipment that caused the failure from the above multiple equipment can be performed uniformly according to the same rule regardless of the type of device to be manufactured, the manufacturing process, and the type of equipment. It is.
- each of the above processes can be executed even if a human sets a case database (library), a defect distribution pattern, a class, and the like in advance and does not have any trouble. Therefore, according to the causal equipment identification method of the present invention, it is possible to identify an abnormal process or equipment that causes a product defect or the like in a production line including a plurality of processes without human intervention. As a result, this causal equipment identification method can be immediately applied to production line monitoring. In addition, this causal equipment identification method uses rules (identification) to recognize the distribution of defects even when the model of the device to be manufactured, the manufacturing process, or the type of equipment changes. (Rule) maintenance is not necessary, so it can be used at all times.
- the causal equipment identification system of the present invention is:
- a failure cause facility identification system for identifying a facility that has caused a failure in a production line that executes multiple processes on a substrate using one or more facilities capable of performing each process
- the production line includes an inspection process for obtaining inspection information indicating the position of a defect on each substrate after completion of a predetermined process.
- a defect density distribution acquisition unit for acquiring defect density information having (m X n) components representing the defect density included in each of the regions based on the inspection information;
- a feature extraction unit that extracts p features (where p is a natural number less than m) that is statistically independent from the defect density information having (m X n) components,
- a classification result acquisition unit that obtains similarity between the P features and defect density information of each substrate, classifies each substrate according to the P features, and obtains the obtained results. Based on the classification results obtained and the manufacturing history information that identifies the equipment that has been processed in each process for each board, the cause equipment that caused the failure is extracted from the multiple equipment A cause facility extraction unit.
- the processing by the defect density distribution acquisition unit, the processing by the feature extraction unit, the processing by the classification result acquisition unit, and the processing by the causal facility extraction unit are manufactured devices. Regardless of the model, manufacturing process, or type of equipment, it is possible to carry out the same rule with the same rule.
- each of the above processes can be executed without human being having to set up a case database (library), defect distribution pattern, class, etc. in advance. Therefore, according to the causal equipment identification system of the present invention, it is possible to automatically extract and classify defects on a substrate processed in a production line including a plurality of processes without human intervention. As a result, this causal equipment identification system is immediately applicable to production line monitoring. In addition, this cause equipment identification system The system can be used at all times because maintenance of the rules (identification rules) for recognizing the distribution of defects is unnecessary even if the type of device to be manufactured, manufacturing process, or type of equipment changes.
- the causal equipment identification system creates a first defect distribution superimposed image by superimposing defect distributions on each substrate processed by the causal equipment, and a process executed by the causal equipment
- the second defect distribution overlay image is created by superimposing the defect distribution on each substrate processed by the equipment other than the above cause equipment in the same process, and the first defect distribution overlay image is displayed on a certain display screen. And a second defect distribution superimposed image.
- a display processing unit for displaying the image in contrast is provided.
- the user (including the operator of the system; the same shall apply hereinafter) indicates whether or not the causal equipment identified by this system is the cause of the abnormality. It can be grasped intuitively through vision and can be judged quickly and easily.
- the computer program of the present invention is a computer program for causing a computer to execute the defect distribution classification method or the cause facility identification method.
- the defect distribution classification method or the cause facility identification method can be carried out.
- a recording medium of the present invention is a computer-readable recording medium on which the computer program is recorded.
- the defect distribution classification method or the causal equipment identification method can be implemented.
- FIG. 1 illustrates a production line 30 whose processes are monitored by a production line monitoring system according to an embodiment to which the present invention is applied.
- FIG. 2 is a diagram showing a block configuration of a causal equipment identification system including a defect distribution classification system according to an embodiment of the present invention.
- FIG. 3A is a diagram illustrating a case where two vectors are independent of each other.
- FIG. 3B is a diagram for explaining a case where two vectors are uncorrelated but not independent.
- ⁇ 4] It is a figure explaining the observation process and restoration process by independent component analysis.
- FIG. 5A is a diagram showing a mode in which one substrate is partitioned into n rectangular regions.
- FIG. 5B is a diagram exemplifying an aspect in which feature vectors are extracted in the form of a map when independent components are extracted.
- FIG. 5C Collective force of the inspection board is a diagram exemplifying an aspect in which the feature outline is extracted in the form of a map when the independent components are extracted.
- FIG. 6 is a diagram illustrating a defect distribution vector of one inspection board and feature vectors of p independent components.
- FIG. 7A is a diagram illustrating defect density information on m substrates and feature vectors of p independent components extracted from the defect density information.
- FIG. 7B is a diagram showing a result of calculating similarity to p features for m substrates.
- FIG. 8 A diagram showing the results of associating the similarity to the feature and the manufacturing history for m substrates, where the similarity is represented by an actual numerical value.
- FIG. 9 is a diagram showing the results of associating the similarity to the feature with the manufacturing history for m substrates, and the similarity is represented by a logical value (binary values of 1 and 0). .
- FIG. 10 schematically shows the processing from when the cause equipment identification system according to one embodiment of the present invention receives inspection information and history information from the process information collection system, classifies the defect distribution, and identifies the cause equipment.
- FIG. 1 illustrates a production line 30 in which a process is monitored by a production line monitoring system according to an embodiment to which the present invention is applied.
- a production line for thin film devices and semiconductor devices is composed of a number of process steps that are sequentially executed in units of production lots from substrate reception to device completion. Thin film devices are divided into cells or chips at the product stage, but they are covered in the form of a substrate or wafer during the manufacturing process.
- FIG. 1 shows a part of such a thin film device production line 30.
- the production line 30 includes an inline inspection process 51 after the completion of the layer (k-1) process, a processing process 100 of the layer k, a processing process 200 and a cache process 300, and an inline inspection process after the completion of the layer k process. Includes 52 and.
- the substrate 41 (six substrates A to F in the illustrated example) to be processed is processed through these steps.
- the processing steps 100, 200, 300 are, for example, a film forming step, an exposure step, an etching step, and the like.
- each of the cache processes 100, 200, 300 is provided with a plurality of facilities capable of executing the process.
- the machining process 100 is provided with a total of three facilities: Unit 101, Unit 102, and Unit 103.
- the processing step 200 is provided with a total of two facilities, a first chamber 201 and a second chamber 202.
- the processing process 300 is provided with a total of three facilities: No. 1 machine 301, No. 2 machine 302, and No. 3 machine 303.
- the plurality of substrates that have flowed through the production line 30 are processed in parallel by a plurality of facilities in each of the cache steps 100, 200, and 300, respectively.
- the in-line inspection steps 51 and 52 perform pattern defect inspection, and acquire information indicating the position and size of the defect on each substrate, appearance information indicating the appearance inspection result, and the like as inspection information. Is.
- a defect occurs densely at a specific position on the substrate for a substrate processed by the malfunctioning facility.
- the defects in the upper right corners of the boards A and C that have been processed by the first machine 101 are densely generated. This is the case.
- the defects in the lower central part of the substrates E and F that have been processed by the second chamber 202 are densely formed. This is the case. In this way, when a certain equipment in a certain process is in a malfunction, the substrate processed by the malfunctioning equipment tends to observe a distribution of defects inherent in the malfunctioning equipment. .
- the total number of defects per substrate is obtained, and the total number of defects is the monitoring standard. If it exceeds the limit, it is determined that an abnormality has occurred, and using this as an opportunity, the manufacturing history of the board is examined, and the cause equipment that caused the abnormality is identified.
- a method for classifying the defect distribution on the board by humans defining the rules (identification rules) for extracting the characteristics of the defect distribution accumulates past experience. It takes time and effort.
- the inspection result information obtained in the in-line inspection process serves as a sensor that detects the state of each equipment.
- the production line monitoring system 40 of one embodiment is roughly provided with a process information collection system 20 and a cause facility identification system 10 including a defect distribution classification system.
- the process information collection system 20 includes a manufacturing history DB (database) 21 that stores manufacturing history information 12 and a pattern inspection DB 22 that stores inspection information 13.
- the manufacturing history information 12 includes information for identifying the equipment that has executed each substrate in each process in each layer.
- the inspection information 13 includes defect distribution information indicating the position and size of the defect on each substrate.
- the processing history information 12 and the inspection information 13 are transmitted from the production line 30 to the process information collection system 20 via a communication device (not shown).
- the processing history information 1 2 and inspection information 13 are the well-known CIM (Computer Integrated Manufacturing) system that controls the production of substrates, that is, the entire process from material supply, panel production, inspection, and product storage. You can transfer the system power to manage the entire series of flows.
- CIM Computer Integrated Manufacturing
- the cause facility identification system 10 includes a defect density distribution acquisition unit 14, a feature extraction unit 15, a classification result acquisition unit 16, a cause facility extraction unit 17, and a display processing unit 18. Further, the cause facility identification system 10 transmits the search condition 11 such as the target period and target layer to the process information collection system 20, and the manufacturing history information 12 that matches the search condition 11 from the process information collection system 20. With communication means (not shown) to receive 'and inspection information 13' Yes.
- the defect density distribution acquisition unit 14 acquires defect density information having (m X n) components representing the defect density included in each rectangular area U based on the inspection information 13.
- the defect density information is a set of first vectors (hereinafter referred to as “defect distribution vectors”) each having n components for the m substrates.
- defect density information is obtained as a matrix X with m rows and n columns.
- the feature extraction unit 15 uses the independent component analysis technique to generate p pieces of statistically independent numbers from the defect density information (m-by-n matrix) X (where p is a natural number less than m). (Exist)).
- p features represented as “feature 1”, “feature 2”,..., “Feature p” in the figure
- feature vector The second vector with components
- the vector S1 and the vector S2 are independent of each other.
- the vector S1 and the vector S2 are uncorrelated and the component distribution of the vector S1 is not influenced by the component distribution of the vector X2.
- Means For example, if two of the p feature vectors are vectors S 1 and S2, in the example shown in Fig. 3A, even if the components of vector S2 change like cross sections Ll and L2, The component distribution of vector S1 (in the example shown, the distribution with two peaks) is not affected. Therefore, vector S1 and vector S2 are independent.
- Fig. 3A the example shown in Fig. 3A
- vector S1 and vector S2 are not independent.
- the classification result acquisition unit 16 includes the defect distribution vector for each of the substrates and the p features. The similarity between each vector is obtained. The similarity is obtained as a correlation coefficient, inner product or covariance between the defect distribution vector and the P feature vectors for each substrate. Then, the classification result acquisition unit 16 classifies each of the substrates for each of the p features according to the similarity.
- the cause facility extraction unit 17 performs a common path analysis (similar defect distribution) based on the classification result obtained by the classification result acquisition unit 16 and the manufacturing history information 12 'received from the process information collection system 20. To analyze which board was used to process a plurality of substrates having the same), and extract the causal equipment that caused the failure from the plurality of equipment.
- the processing by the defect density distribution acquisition unit 14, the processing by the feature extraction unit 15, the processing by the classification result acquisition unit 16, and the processing by the causal facility extraction unit 17 include the model of the device to be manufactured, Regardless of the manufacturing process and the type of equipment, it is possible to carry out the same rule with the same rule.
- each of the above processes can be executed even if a person sets a case data base (library), a defect distribution pattern, a class, and the like in advance and does not have any trouble. Therefore, according to the causal equipment identification system 10, it is possible to automatically extract and classify defects on the substrate to be processed in the production line 30 including a plurality of processes without human intervention. As a result, the causal equipment identification system 10 can be immediately applied to the production line monitoring work.
- the cause equipment identification system 10 does not require maintenance of rules (identification rules) for identifying defect distribution patterns even when the model of the device to be manufactured, the manufacturing process, or the type of equipment changes, it is always necessary. It can be used.
- the display processing unit 18 creates a first defect distribution superimposed image by superimposing the defect distributions on each substrate processed by the causal equipment, and performs the same process as the process executed by the causal equipment.
- a second defect distribution overlay image is created by superimposing the defect distribution on each substrate processed by equipment other than the above-mentioned causal equipment. Then, the first defect distribution superimposed image and the second defect distribution superimposed image are displayed in comparison with each other on a display screen (indicated by reference numeral 19 in FIG. 10).
- the cause equipment is the first machine 101 in the process 100
- the first defect distribution overlay image is the process 100 in the first machine 101.
- the defect distribution on each substrate executed by is superimposed and created.
- the second defect distribution overlay image is created by superimposing the defect distribution on each substrate in which process 100 was executed by equipment other than Unit 1 101 (specifically, Unit 2 102 and Unit 103). It is. As described above, when the first defect distribution superimposed image and the second defect distribution superimposed image are displayed on a certain display screen 19 in comparison with each other, the user (including the operator of the system; the same applies hereinafter). It is possible to intuitively grasp through visual whether the causal equipment specified by this system is really the cause of the abnormality, and to judge quickly and easily. As the second defect distribution overlay image, the defect distribution on each substrate in which process 100 was executed by equipment other than Unit 1 101 (specifically, Units 102 and 103) was superimposed.
- a superimposed image of the defect distribution on the substrate executed by the second machine and a superimposed image of the defect distribution on the substrate processed by the third machine may be created separately.
- the second defect distribution superimposed image is not limited to one type, and a plurality of images may be created for each device.
- such a system 10 may be configured by a computer, more specifically a personal computer.
- the operation of each part 14, 15, ..., 18 can be realized by a computer program (software).
- a computer program may be stored in a hard disk drive attached to the personal computer or recorded on a computer-readable recording medium (such as a compact disc (CD) or digital universal disc (DVD)).
- CD compact disc
- DVD digital universal disc
- a playback device CD drive, DVD drive, etc.
- the independent component analysis algorithm includes a plurality of signals s 1, s 2, s (a vector having these components as components) generated by a plurality of signal sources.
- From 1 2 3 is known as a technique to restore the original signal source signal.
- the superposition mode of the signals s 1, s 2, and s is represented by a mixing matrix A.
- the restored signal is represented by y 1, y 2, y (Y is a vector whose components are used).
- the number (number of microphones) is the number of substrates (hereinafter referred to as “inspection substrate”) that have undergone the inspection process, and the length of the observation signal (signal generation time. This is t). And the number of areas partitioned by. In particular, for the length t of the observed signal,
- X AS can be expressed.
- the recovered signal (estimated value of the signal source s) ⁇ is calculated by the independent component algorithm.
- the force independent component Y of only the observation information X is estimated without knowing any information about the signal source S and the mixing matrix A. According to the median limit theorem, when independent components are mixed, the probability distribution approaches a Gaussian distribution. Therefore, when the non-Gaussianity of the estimated distribution Y is maximized, it is considered that the independent component has been extracted. Thus, the reconstruction matrix W that maximizes the non-Gaussianity is found, and the observation information X is multiplied to find the independent component Y.
- the feature extraction unit 15 obtains p feature vectors that are independent of each other.
- the feature extraction unit 15 by representing the components of each feature vector in a 10-by-10 map, it is possible to find an area having independent features on the substrate.
- test boards After obtaining p independent features as described above, the test boards are classified as follows.
- the feature vector is as follows.
- First feature axis S 1 (S, S, ⁇ , S, ⁇ , S)
- Second feature axis S2 (S, S, ..., S, ..., S)
- An example of a map of feature vectors is shown below.
- XI is the defect distribution vector of one inspection board, and two feature axes when independent components are extracted from the set of inspection boards (feature vectors of independent components)
- the similarity of the inspection board to the feature axis S1 is evaluated by the covariance S of the defect distribution vector XI of the inspection board and the feature axis S1, or the correlation coefficient r.
- the correlation coefficient r between the vectors XI and S 1 is
- the feature vectors of the p independent components shown in the column (b) are obtained from the defect density information of the m inspection substrates shown in the column (a) of Fig. 7A, and are shown in Fig. 7B. In this way, the degree of similarity for p features is found for m substrates.
- test substrates are classified according to the obtained similarity.
- the similarity threshold is set to 0.7. Then, a substrate having a similarity of 0.7 or more is extracted from the m substrates. The remaining features are classified in the same way.
- the cause facility is analyzed by examining the presence or absence of a correlation between the similarity and the manufacturing history, with the objective variable as the similarity and the explanatory variable as the manufacturing history.
- a method of analyzing the correlation Known methods such as analysis of variance, chi-square test (independence test), and multivariate analysis can be used.
- the result of the process 100 shows that the correlation with the first film forming apparatus is high. Therefore, in order to obtain confirmation of this result, the defect distribution on each substrate processed by the first deposition apparatus in step 100 is superimposed to create a first defect distribution superimposed image, and the same process.
- the defect distribution on each substrate processed by equipment other than Unit 1 is superimposed to create a second defect distribution overlay image. Then, as described above, as shown in FIG. 10, the first defect distribution superimposed image and the second defect distribution superimposed image are displayed in comparison on a certain display screen 19.
- the user when the first defect distribution superimposed image and the second defect distribution superimposed image are displayed on a certain display screen 19 in comparison with each other, the user (including the operator of the system) can use the system. Whether the identified causal equipment is actually the cause of the abnormality can be grasped intuitively through vision and can be judged quickly and easily. As a result, if it is confirmed in step 100 that the first deposition apparatus is the causal equipment, measures such as inspecting the first deposition apparatus can be taken promptly. Line loss can be minimized.
- FIG. 10 is the above-described processing by the causal equipment identification system 10 of this embodiment, that is, the inspection information and the history information are received from the process information collection system 20 to classify the defective distribution, and the causal equipment The process until it identifies is typically shown.
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Factory Administration (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008513232A JP4694618B2 (ja) | 2006-04-27 | 2007-04-25 | 欠陥分布分類方法およびシステム、原因設備特定方法およびシステム、コンピュータプログラム、並びに記録媒体 |
US12/226,711 US20090306922A1 (en) | 2006-04-27 | 2007-04-25 | Method and System for Classifying Defect Distribution, Method and System for Specifying Causative Equipment, Computer Program and Recording Medium |
CN200780015270.8A CN101432864B (zh) | 2006-04-27 | 2007-04-25 | 缺陷分布分类方法及系统、故障源设备确定方法及系统 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006123408 | 2006-04-27 | ||
JP2006-123408 | 2006-04-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007125941A1 true WO2007125941A1 (ja) | 2007-11-08 |
Family
ID=38655467
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/058916 WO2007125941A1 (ja) | 2006-04-27 | 2007-04-25 | 欠陥分布分類方法およびシステム、原因設備特定方法およびシステム、コンピュータプログラム、並びに記録媒体 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090306922A1 (ja) |
JP (1) | JP4694618B2 (ja) |
CN (1) | CN101432864B (ja) |
WO (1) | WO2007125941A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010191564A (ja) * | 2009-02-17 | 2010-09-02 | Sharp Corp | 特性解析方法および装置、特性分類方法および装置、上記特性解析方法または特性分類方法をコンピュータに実行させるためのプログラム、上記プログラムを記録したコンピュータ読み取り可能な記録媒体 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4234162B2 (ja) * | 2006-08-31 | 2009-03-04 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 製品に仮想属性を割り当てるためのシステム、方法、およびプログラムならびに製品に発生した事象の原因をトレースするためのシステム、方法、およびプログラム |
JP5566265B2 (ja) * | 2010-11-09 | 2014-08-06 | 東京エレクトロン株式会社 | 基板処理装置、プログラム、コンピュータ記憶媒体及び基板の搬送方法 |
KR101535419B1 (ko) * | 2013-05-31 | 2015-07-09 | 삼성에스디에스 주식회사 | 불량 셀 클러스터링 방법 및 그 장치 |
CN104833679B (zh) * | 2015-04-29 | 2017-09-26 | 浙江大学 | 一种微观缺陷三维尺度逆向标定及检测方法 |
WO2017149598A1 (ja) * | 2016-02-29 | 2017-09-08 | 三菱電機株式会社 | 機器分類装置 |
CN109493311B (zh) * | 2017-09-08 | 2022-03-29 | 上海宝信软件股份有限公司 | 一种无规则缺陷图片模式识别与匹配方法及系统 |
KR102267919B1 (ko) | 2018-06-28 | 2021-06-23 | 주식회사 고영테크놀러지 | 기판에 실장된 부품의 실장 불량 원인을 결정하는 전자 장치 및 방법 |
CN114449886B (zh) * | 2018-06-28 | 2024-05-14 | 株式会社高迎科技 | 确定贴装在基板部件的贴装不合格原因的电子装置及方法 |
US11428644B2 (en) | 2018-11-27 | 2022-08-30 | Koh Young Technology Inc. | Method and electronic apparatus for displaying inspection result of board |
CN109886956B (zh) * | 2019-03-06 | 2021-11-30 | 京东方科技集团股份有限公司 | 检测缺陷点聚集性的方法及装置 |
CN110473772B (zh) * | 2019-08-22 | 2021-10-19 | 上海华力微电子有限公司 | 一种建立晶圆背面图形数据库的方法 |
JP7084634B2 (ja) * | 2019-12-20 | 2022-06-15 | 株式会社タナカ技研 | 、情報処理装置、端末装置、情報処理方法、およびプログラム |
CN114154896B (zh) * | 2021-12-09 | 2022-08-26 | 苏州捷布森智能科技有限公司 | 基于mes的智能工厂产品质量监控方法及系统 |
TWI807536B (zh) * | 2021-12-15 | 2023-07-01 | 國立高雄師範大學 | 檢測系統與其參數設定方法 |
CN116559183B (zh) * | 2023-07-11 | 2023-11-03 | 钛玛科(北京)工业科技有限公司 | 一种提高缺陷判定效率的方法及系统 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1145919A (ja) * | 1997-07-24 | 1999-02-16 | Hitachi Ltd | 半導体基板の製造方法 |
JP2002359266A (ja) * | 2001-03-29 | 2002-12-13 | Toshiba Corp | 半導体集積回路の不良検出方法及び不良検出装置 |
JP2004288743A (ja) * | 2003-03-19 | 2004-10-14 | Toshiba Corp | 不良解析装置、不良解析方法および不良解析プログラム |
JP2005092466A (ja) * | 2003-09-16 | 2005-04-07 | Toshiba Corp | 診断プロセス支援方法とそのためのプログラム |
JP2005142406A (ja) * | 2003-11-07 | 2005-06-02 | Toshiba Corp | 不良検出システム、不良検出方法及び不良検出プログラム |
JP2005251925A (ja) * | 2004-03-03 | 2005-09-15 | Toshiba Corp | 製造装置管理システム、製造装置管理方法及びプログラム |
JP2006214890A (ja) * | 2005-02-04 | 2006-08-17 | M I L:Kk | 物品欠陥情報検出装置及び物品欠陥情報検出処理プログラム |
JP2006285570A (ja) * | 2005-03-31 | 2006-10-19 | Univ Waseda | 類似画像検索方法および類似画像検索装置 |
JP2006351723A (ja) * | 2005-06-14 | 2006-12-28 | Toshiba Corp | 異常原因特定方法および異常原因特定システム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06325181A (ja) * | 1993-05-17 | 1994-11-25 | Mitsubishi Electric Corp | パターン認識方法 |
JP4038356B2 (ja) * | 2001-04-10 | 2008-01-23 | 株式会社日立製作所 | 欠陥データ解析方法及びその装置並びにレビューシステム |
JP3870052B2 (ja) * | 2001-09-20 | 2007-01-17 | 株式会社日立製作所 | 半導体装置の製造方法及び欠陥検査データ処理方法 |
US6741941B2 (en) * | 2002-09-04 | 2004-05-25 | Hitachi, Ltd. | Method and apparatus for analyzing defect information |
JP4657869B2 (ja) * | 2005-09-27 | 2011-03-23 | シャープ株式会社 | 欠陥検出装置、イメージセンサデバイス、イメージセンサモジュール、画像処理装置、デジタル画像品質テスタ、欠陥検出方法、欠陥検出プログラム、およびコンピュータ読取可能な記録媒体 |
-
2007
- 2007-04-25 CN CN200780015270.8A patent/CN101432864B/zh not_active Expired - Fee Related
- 2007-04-25 US US12/226,711 patent/US20090306922A1/en not_active Abandoned
- 2007-04-25 JP JP2008513232A patent/JP4694618B2/ja active Active
- 2007-04-25 WO PCT/JP2007/058916 patent/WO2007125941A1/ja active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1145919A (ja) * | 1997-07-24 | 1999-02-16 | Hitachi Ltd | 半導体基板の製造方法 |
JP2002359266A (ja) * | 2001-03-29 | 2002-12-13 | Toshiba Corp | 半導体集積回路の不良検出方法及び不良検出装置 |
JP2004288743A (ja) * | 2003-03-19 | 2004-10-14 | Toshiba Corp | 不良解析装置、不良解析方法および不良解析プログラム |
JP2005092466A (ja) * | 2003-09-16 | 2005-04-07 | Toshiba Corp | 診断プロセス支援方法とそのためのプログラム |
JP2005142406A (ja) * | 2003-11-07 | 2005-06-02 | Toshiba Corp | 不良検出システム、不良検出方法及び不良検出プログラム |
JP2005251925A (ja) * | 2004-03-03 | 2005-09-15 | Toshiba Corp | 製造装置管理システム、製造装置管理方法及びプログラム |
JP2006214890A (ja) * | 2005-02-04 | 2006-08-17 | M I L:Kk | 物品欠陥情報検出装置及び物品欠陥情報検出処理プログラム |
JP2006285570A (ja) * | 2005-03-31 | 2006-10-19 | Univ Waseda | 類似画像検索方法および類似画像検索装置 |
JP2006351723A (ja) * | 2005-06-14 | 2006-12-28 | Toshiba Corp | 異常原因特定方法および異常原因特定システム |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010191564A (ja) * | 2009-02-17 | 2010-09-02 | Sharp Corp | 特性解析方法および装置、特性分類方法および装置、上記特性解析方法または特性分類方法をコンピュータに実行させるためのプログラム、上記プログラムを記録したコンピュータ読み取り可能な記録媒体 |
Also Published As
Publication number | Publication date |
---|---|
US20090306922A1 (en) | 2009-12-10 |
JPWO2007125941A1 (ja) | 2009-09-10 |
CN101432864A (zh) | 2009-05-13 |
JP4694618B2 (ja) | 2011-06-08 |
CN101432864B (zh) | 2012-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007125941A1 (ja) | 欠陥分布分類方法およびシステム、原因設備特定方法およびシステム、コンピュータプログラム、並びに記録媒体 | |
JP5599387B2 (ja) | ウェハー上の欠陥を検出して検査結果を生成するシステム及び方法 | |
JP6598790B2 (ja) | カスタマイズされたメトリックスをグローバル分類方法と組み合わせて極高処理能力でプロセスツール状態を監視するウエハおよびロットベースの階層化方法 | |
US6701204B1 (en) | System and method for finding defective tools in a semiconductor fabrication facility | |
JP2002071575A (ja) | 欠陥検査解析方法および欠陥検査解析システム | |
KR20010029984A (ko) | 실시간 결함원 식별방법 | |
TW201839383A (zh) | 用於缺陷偵測之動態注意區 | |
US8041100B2 (en) | System for specifying equipment causing failure | |
JP2009272497A (ja) | レシピパラメータ管理装置およびレシピパラメータ管理方法 | |
US20120029679A1 (en) | Defect analysis method of semiconductor device | |
JP2022512292A (ja) | 半導体試料の欠陥の分類 | |
JP2002057078A (ja) | 半導体製造施設で集積欠陥を引き起こす動作/ツールを見つけるシステム及び方法 | |
JP4652917B2 (ja) | 欠陥データ処理方法、およびデータの処理装置 | |
JP4080087B2 (ja) | 分析方法,分析システム及び分析装置 | |
JP3665215B2 (ja) | 異常原因特定システムおよびその方法 | |
JP2008108815A (ja) | 不良原因設備特定システム | |
JP2005236094A (ja) | 半導体装置の製造方法、不良解析方法および不良解析システム | |
JP3726600B2 (ja) | 検査システム | |
JP4866263B2 (ja) | 電子デバイスの品質管理方法および電子デバイスの品質管理システム | |
JP2007248198A (ja) | 特性分布の特徴量抽出方法および特性分布の分類方法 | |
JP4136109B2 (ja) | 電子デバイス検査システム | |
CN101807266B (zh) | 半导体制造中的成品管理方法 | |
JP4146655B2 (ja) | 欠陥源候補抽出プログラム | |
US20220334567A1 (en) | Fabrication fingerprint for proactive yield management | |
JP4538205B2 (ja) | 検査データの解析プログラム、検査データ解析装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ENP | Entry into the national phase |
Ref document number: 2008513232 Country of ref document: JP Kind code of ref document: A |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 07742351 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 200780015270.8 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12226711 Country of ref document: US |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 07742351 Country of ref document: EP Kind code of ref document: A1 |