WO2007129567A1 - サーバ装置、およびプログラム - Google Patents
サーバ装置、およびプログラム Download PDFInfo
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- WO2007129567A1 WO2007129567A1 PCT/JP2007/058791 JP2007058791W WO2007129567A1 WO 2007129567 A1 WO2007129567 A1 WO 2007129567A1 JP 2007058791 W JP2007058791 W JP 2007058791W WO 2007129567 A1 WO2007129567 A1 WO 2007129567A1
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 123
- 230000005856 abnormality Effects 0.000 claims abstract description 100
- 238000005259 measurement Methods 0.000 claims description 295
- 238000001514 detection method Methods 0.000 claims description 78
- 238000000034 method Methods 0.000 claims description 60
- 238000004364 calculation method Methods 0.000 claims description 22
- 230000002159 abnormal effect Effects 0.000 claims description 16
- 239000000758 substrate Substances 0.000 claims description 9
- 238000009825 accumulation Methods 0.000 claims description 7
- 230000001960 triggered effect Effects 0.000 claims description 3
- 235000012431 wafers Nutrition 0.000 abstract description 125
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 description 45
- 238000007726 management method Methods 0.000 description 39
- 230000005540 biological transmission Effects 0.000 description 21
- 238000010586 diagram Methods 0.000 description 14
- 238000004891 communication Methods 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 7
- 230000006870 function Effects 0.000 description 4
- 238000003672 processing method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000012536 storage buffer Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
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- 239000000470 constituent Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- 238000005530 etching Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q10/00—Administration; Management
- G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
- G06Q50/04—Manufacturing
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31331—Select manufacturing information by entering product number
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31432—Keep track of conveyed workpiece, batch, tool, conditions of stations, cells
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32179—Quality control, monitor production tool with multiple sensors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/45—Nc applications
- G05B2219/45031—Manufacturing semiconductor wafers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present invention relates to, for example, a group management system including a plurality of manufacturing apparatuses that perform a predetermined process on a substrate to be processed, and a server apparatus connected to the plurality of manufacturing apparatuses, a server apparatus, and the like.
- a group management system including a plurality of manufacturing apparatuses that perform a predetermined process on a substrate to be processed, and a server apparatus connected to the plurality of manufacturing apparatuses, a server apparatus, and the like.
- a measurement data processing method in a group management system of a semiconductor manufacturing apparatus capable of automatically and accurately processing data sent by measuring instrument force is realized (for example, see Patent Document 1). ).
- various measurement data transmitted from the measuring device are received by the measuring device communication unit of the group management unit of the group management system.
- a calculation formula for processing the measurement data is registered in advance, and when the measurement data is received, the measurement data is stored in the measurement data reception buffer, and the recipe name of the measurement data is stored. From the registered calculation formula, the calculation formula having at least one recipe name that is suitable for processing the measurement data is selected and stored in the calculation formula storage buffer. Data is calculated by applying to the selected calculation formula, and the calculation result is stored in the processed data storage buffer.
- the conventional group management system for semiconductor manufacturing equipment has a function of displaying time-series information (hereinafter referred to as a chart) measured by the semiconductor manufacturing equipment.
- Patent Document 1 Japanese Patent Laid-Open No. 11 354395 (Page 1, Fig. 1 etc.)
- Patent Document 2 Japanese Patent No. 3543996 (1st page, Fig. 1 etc.)
- Patent Document 3 Japanese Patent Laid-Open No. 2002-25997 (Page 1, Fig. 1 etc.)
- the surface is uneven and the dummy wafer is not formed with wiring (pattern). . Therefore, for example, the resistance value when the gas flows is different depending on the number of product wafers, and therefore the frequency of occurrence and type of abnormality may differ. In conventional group management systems for semiconductor manufacturing equipment, it was not possible to detect anomalies due to differences in the number of product wafers.
- a server device of the present invention includes a plurality of manufacturing devices that perform a predetermined process on a substrate to be processed and a server device that is connected to the plurality of manufacturing devices, and has a function of performing abnormality detection.
- a server device constituting a management system, which is time-series information about information measured by the plurality of manufacturing devices, and indicates the number of product wafers and the time indicating the number of wafers of products manufactured by the manufacturing device
- a measurement information storage unit that can store a plurality of measurement information that has information, an instruction reception unit that receives an output instruction for output information including a product woofer number condition that is a condition relating to the number of product woofers, and a measurement If the condition information storage unit that stores condition information indicating a condition for determining whether the information is abnormal and the instruction receiving unit receives an output instruction, the output instruction is included.
- An abnormality detection unit that reads a plurality of measurement information that matches the product woofer number condition from the measurement information storage unit and determines whether or not the read plurality of measurement information matches the condition information.
- the server apparatus includes an output information configuration unit that configures output information according to a determination result of the abnormality detection unit, and an output unit that outputs the output information configured by the output information configuration unit.
- FIG. 1 is a conceptual diagram of a group management system in the present embodiment.
- the group management system is a system that controls a manufacturing apparatus such as a semiconductor manufacturing apparatus or a liquid crystal panel manufacturing apparatus. Further, the group management system includes one or more manufacturing apparatuses 11 (manufacturing apparatuses 11 (1) to 11 (n)), a server apparatus 12, and a client apparatus 13.
- a manufacturing apparatus such as a semiconductor manufacturing apparatus or a liquid crystal panel manufacturing apparatus.
- the group management system includes one or more manufacturing apparatuses 11 (manufacturing apparatuses 11 (1) to 11 (n)), a server apparatus 12, and a client apparatus 13.
- the manufacturing apparatus 11 is an apparatus that performs a predetermined process on a substrate to be processed.
- the manufacturing apparatus 11 performs various processes on the substrate to be processed such as a film forming process, an etching process, and a thermal oxidation process.
- the production apparatus 11 is, for example, a batch type vertical heat treatment apparatus described in Patent Document 2 or Patent Document 3 described above.
- An example of the production apparatus 11 is shown in FIG.
- This manufacturing device 11 was constructed as a loading chamber that can be sealed against other chambers, and has a so-called load lock chamber structure in which N gas can be supplied and evacuated as an inert atmosphere.
- the manufacturing apparatus 11 includes a process tube a which is a processing chamber for performing a predetermined process on the wafer W which is an object to be processed, and a wafer as a holding body which stores a large number of wafers W, for example, 100 wafers W in the process tube a.
- a load lock chamber h as a loading chamber equipped with a transfer mechanism g for inserting and removing the boat f, a loading / unloading chamber ab for loading / unloading wafer W to / from the load lock chamber h, and a cassette formed in the loading / unloading chamber ab
- a container container port ac a loading means ae for loading the cassette container container ad placed in this port ac into the carry-in / out chamber ab, and a container storage stage af for temporarily storing the loaded cassette container container ad.
- Cassette removal stage a for taking out the cassette C accommodated in the cassette container ad, and container transfer for delivering the cassette container ad in the loading / unloading chamber ab
- the main part is composed of the means ah and the holder housing chamber ai for housing the wafer boat f disposed between the load lock chamber h and the loading / unloading chamber ab. Since other parts and operations in the example of the manufacturing apparatus 11 in FIG. 2 are known techniques (see Patent Document 2), detailed description thereof is omitted.
- FIG. A chamber in is preferred.
- the manufacturing apparatus 11 stores, for example, a recipe (usually a set of process condition values) that is information related to a predetermined process for the wafer, and is controlled using the recipe.
- a recipe usually a set of process condition values
- the server device 12 is a server device that constitutes a so-called group management system, stores various measurement information in a plurality of manufacturing apparatuses 11, and performs abnormality detection on the measurement information. It has a function.
- the client device 13 issues various requests to the server device 12 and accepts processing results in the server device 12.
- FIG. 3 is a block diagram of the group management system in the present embodiment.
- the group management system includes one or more manufacturing apparatuses 11, a server apparatus 12, and a client apparatus 13.
- the manufacturing apparatus 11 includes an input receiving unit 1101, a recipe storage unit 1102, and a manufacturing apparatus identifier storage unit.
- Server device 12 includes measurement information storage section 1201, original information reception section 1202, measurement information acquisition section
- measurement information storage unit 1204 measurement information storage unit 1204, instruction reception unit 1205, output information configuration unit 1206, output unit
- an output instruction storage unit 1208 a condition information storage unit 1209, and an abnormality detection unit 1210.
- the client device 13 includes an instruction input unit 1301, an instruction sending unit 1302, a receiving unit 1303, and a display unit 1304.
- the input receiving unit 1101 also receives various inputs for the user power of the manufacturing apparatus 11.
- the various inputs are, for example, recipes, recipe identifiers for identifying recipes, the number of product wafers, instructions for manufacturing wafers (process execution instructions), and the like.
- the number of product wafers is the number of wafers not including the number of dummy wafers, and the number of wafers manufactured as a product.
- the number of wafers that can be stored in the manufacturing apparatus 11 is, for example, 50 or 30 sheets, of which 10 or 5 dummy wafers are used. Of the wafers that can be stored, the number of dummy wafers and the number of wafers to be manufactured do not matter.
- the input receiving unit 1101 can be realized by a device driver of an input means such as a numeric keypad or a keyboard, or control software for a menu screen.
- the recipe storage unit 1102 stores a recipe used for controlling the manufacturing apparatus 11.
- a recipe is information about a given process for a wafer and usually includes a set of process parameter information.
- the process parameter information includes, for example, a category name, item name, parameter name, and value.
- the category name is a name indicating the type of process parameter, for example, “temperature”, “gas flow rate”, “boat elevator speed”, and the like.
- the item name is a name indicating an attribute of the process parameter, such as “up / down speed”, “rotational speed”, and the like.
- the parameter name is the name of a process parameter, such as “C” or “A”.
- the value is a value given to a variable called a process parameter.
- a recipe is stored in a pair with a recipe identifier (eg, recipe name) that identifies the recipe.
- the recipe storage unit 1102 can also be realized by a force volatile recording medium, which is preferably a non-volatile recording medium.
- the manufacturing apparatus identifier storage unit 1103 stores a manufacturing apparatus identifier for identifying the manufacturing apparatus 11.
- the manufacturing apparatus identifier may be information received by the input receiving unit 1101 or may be information stored in advance when the manufacturing apparatus is shipped.
- the manufacturing apparatus identifier storage unit 1103 may be a non-volatile recording medium such as a hard disk or a ROM, or a volatile recording medium such as a RAM.
- the product wafer number storage unit 1104 stores information indicating the number of product wafers.
- the information indicating the number of product woofers is usually a numerical value (for example, 40), but may be a symbol corresponding to the numerical value. In other words, the information indicating the number of product woofers is equivalent to the number of product woofers.
- the product wafer number stored in the product wafer number storage unit 1104 is, for example, a numerical value received by the input receiving unit 1101. Further, the product wafer number stored in the product wafer number storage unit 1104 may be information automatically obtained by means not shown, for example.
- the means (not shown) for obtaining the product wafer number is, for example, means for detecting the color difference between the surface of the product wafer and the dummy wafer by image processing and calculating the number of product wafers.
- the product wafer number storage unit 1104 may be a non-volatile recording medium such as a hard disk or a ROM, or a volatile recording medium such as a RAM.
- the processing unit 1105 reads the recipe stored in the recipe storage unit 1102 and performs a predetermined process for the wafer according to the recipe.
- the processing unit 1105 can usually be realized by an MPU, a memory, or the like.
- the processing procedure of the processing unit 1105 is usually realized by software, and the software is recorded on a recording medium such as a ROM. However, it may be realized by hardware (dedicated circuit).
- the measurement unit 1106 measures the temperature, gas flow rate, pressure, and the like in the manufacturing apparatus 11, and obtains original information that is the basis of measurement information to be charted.
- the original information is information such as the measured temperature.
- the original information usually has time information indicating the measured time.
- the source information further includes a recipe identifier for identifying a recipe processed by the measurement unit 1106 when a value such as temperature is measured, a measured value, and time information indicating the measured time. It is suitable for.
- the measuring unit 1106 may measure a plurality of temperatures such as a plurality of locations and a plurality of values such as temperature and gas flow rate. That is, the original information may have two or more types of measured values.
- the measurement unit 1106 can be realized by a sensor such as one or more temperature sensors or one or more flow sensors.
- the original information accumulation unit 1107 accumulates the original information acquired by the measurement unit 1106 in a recording medium (not shown).
- the original information storage unit 1107 can usually be realized by an MPU, a memory, or the like.
- the processing procedure of the original information storage unit 1107 is usually realized by software, and the software is recorded on a recording medium such as a ROM. However, it may be realized by hardware (dedicated circuit).
- the recording medium (not shown) is preferably a non-volatile recording medium, but can also be realized by a volatile recording medium.
- the original information transmission unit 1108 transmits the original information accumulated by the original information accumulation unit 1107 to the server device 12.
- the trigger of transmission of original information is not ask
- the original information transmitted by the original information transmission unit 1108 has one or more measured values (for example, temperature and gas flow rate), time information, and the number of product woofers.
- the original information transmitted by the original information transmission unit 1108 is further It is preferable to have a manufacturing apparatus identifier for identifying the manufacturing apparatus 11 and a recipe identifier for identifying a recipe. Further, the original information transmitted by the original information transmitting unit 1108 may have a total number of wafers including a dummy wafer number.
- the original information accumulated by the original information accumulation unit 1107 and the original information transmitted by the original information transmission unit 1108 may have different structures and configurations.
- the original information may be configured to have one product wafer number or Z and one manufacturing apparatus identifier or Z and one recipe identifier for a plurality of measured values.
- the original information transmission unit 1108 can be realized by a wireless or wired communication means. Note that the original information transmission unit 1108 may read the wafer number from the product wafer number storage unit 1104 and add it to the original information before transmitting the original information to the server device 12.
- the original information transmission unit 1108 reads the recipe identifier and the manufacturing apparatus identifier from the recipe storage unit 1102 and the manufacturing apparatus identifier storage unit 1103, respectively, and adds them to the original information before transmitting the original information to the server device 12. Also good.
- the original information transmission unit 1108 may transmit data (for example, data in which 10 pieces are collected) obtained by sampling measured values (for example, gas flow rate) every second.
- the unit and data structure of the data transmitted by the original information transmission unit 1108 are not limited.
- the process of configuring the original information to be transmitted may be performed by the original information storage unit 1107 that is not included in the original information transmission unit 1108. There is no limitation on the information of a set of one or more measured values (for example, temperature and gas flow rate) and time information, and the number of product wafers, the timing of transmitting the manufacturing equipment identifier, and the recipe identifier.
- the measurement information storage unit 1201 can store a plurality of measurement information.
- the plurality of pieces of measurement information is time-series information about one or more types of information (for example, temperature and pressure) measured by the plurality of manufacturing apparatuses 11 and is the number of wafers of products manufactured by the manufacturing apparatus 11. This information has time information indicating the number of product woofers and time.
- the plurality of pieces of measurement information is time-series information about one or more types of information measured by the plurality of manufacturing apparatuses 11, and includes information on the number of product woofers, apparatus identifiers for identifying the manufacturing apparatuses 11, and time information. It may be.
- the plurality of pieces of measurement information are time-series information about one or more types of information measured by the plurality of manufacturing apparatuses 11, and may be information having the number of product woofers, recipe identifiers, and time information.
- the measurement information includes a plurality of pieces of information received by the original information receiving unit 1202.
- the measurement information acquisition unit 1203 performs a predetermined calculation on the original information, and the acquired information may be the same information as the original information.
- the measurement information storage unit 1201 is preferably a nonvolatile recording medium, but can also be realized by a volatile recording medium. Note that the measurement information stored in the measurement information storage unit 1201 may be information stored in the measurement information storage unit 1204, information directly received from the manufacturing apparatus 11, or information read out from a recording medium force (not shown).
- the original information receiving unit 1202 receives original information, which is information that is the basis of a plurality of measurement information, from the plurality of manufacturing apparatuses 11.
- the original information receiving unit 1202 can be realized by wireless or wired communication means.
- the measurement information acquisition unit 1203 performs a predetermined calculation on the plurality of pieces of original information received by the original information reception unit 1202, and acquires a plurality of pieces of measurement information.
- Predetermined operations are, for example, calculating an average value of multiple values of multiple original information, obtaining a maximum value, obtaining a minimum value, or calculating a standard deviation at predetermined time intervals. Or to obtain the median.
- the predetermined calculation is, for example, calculating an average value of a plurality of values included in a plurality of original information, acquiring a maximum value, or acquiring a minimum value for each predetermined step in a recipe.
- An operation for calculating a standard deviation or obtaining a median value may be used.
- the measurement information acquisition unit 1203 can also realize an MPU, a memory and the like.
- the processing procedure of the measurement information acquisition unit 1203 is usually realized by software, and the software is recorded on a recording medium such as a ROM. However, it may be realized by hardware (dedicated circuit).
- the measurement information storage unit 1204 stores a plurality of measurement information acquired by the measurement information acquisition unit 1203 in the measurement information storage unit 1201. When a plurality of pieces of measurement information acquired by the measurement information acquisition unit 1203 are arranged in the measurement information storage unit 1201, the storage process performed by the measurement information storage unit 1204 has the same meaning as NOP (No Operation).
- the measurement information storage unit 1204 can usually be realized by an MPU, a memory, or the like.
- the processing procedure of the measurement information storage unit 1204 is usually realized by software, and the software is recorded on a recording medium such as a ROM. However, it may be realized by hardware (dedicated circuit).
- the instruction receiving unit 1205 receives an instruction. This instruction normally accepts the force received from the client device 13 such as a keyboard or mouse connected to the server device 12. May be.
- the instruction received by the instruction receiving unit 1205 includes, for example, a chart output instruction including the product wafer number, a chart output instruction including the product wafer number and one or more device identifiers, and a product wafer number and one or more recipe identifiers. These include chart output instructions and chart output instructions including the number of product wafers, one or more device identifiers, and one or more recipe identifiers.
- the number of product woofers in the output instruction of the chart including the number of product wafers may be in the range of product woofer numbers (20 to 40, etc.) or only information indicating the number of product wafers (40, etc.).
- the output instruction may include information on the type of chart (such as SPC chart, correlation chart, or MD chart).
- the output instruction may also include the type of data to be output on the chart (measurement information such as temperature, gas flow rate, and pressure).
- the output instruction may include attribute information of the points constituting the chart or Z and lines.
- the attribute information includes a point color, a point type (shape), a line color, a line type, and the like.
- the recipe identifier usually indicates a plurality of recipes having the same identifier of a plurality of devices.
- the instruction receiving unit 1205 also has, for example, wireless or wired reception means.
- the instruction input means may be anything such as a numeric keypad, keyboard, mouse or menu screen.
- the instruction receiving unit 1205 can be realized by a device driver for input means such as a numeric keypad or a keyboard, a control software for a menu screen, or the like.
- the output information configuration unit 1206 configures output information according to the determination result of the abnormality detection unit 1210. For example, the abnormality detection unit 1210 reads from the measurement information storage unit 1201 a plurality of pieces of measurement information that match the product woofer number condition included in the output instruction, and the output information configuration unit 1206 reads the chart from the plurality of read measurement information. Configure. At that time, it is preferable that the output information configuration unit 1206 configures the output information by visually distinguishing between abnormal measurement information and normal measurement information.
- the output information is, for example, list information of measurement unit names and times related to measurement information that is abnormal.
- the output information is, for example, information on a chart in which the list information power is also configured.
- the output information is, for example, normal or abnormal.
- the output information is, for example, sound information (such as a buzzer) indicating either normal Z abnormality.
- the output information configuration unit 1206 may perform a process of configuring a chart showing a range of abnormal values and normal values in order to detect an abnormality. In such a case, abnormal The detection unit 1210 reads the measurement information that matches the output instruction, but it does not matter whether or not an abnormality detection process is performed.
- the output instruction includes two or more device identifiers, it is preferable that the output information configuration unit 1206 configures a chart in a manner in which measurement information for each device identifier can be visually distinguished.
- the output information configuration unit 1206 configure a chart that can visually distinguish the measurement information for each recipe identifier.
- the chart in which the measurement information for each device identifier can be visually distinguished is the type of point where the measurement information for each device identifier is different (square and round shape) when the output instruction includes two or more device identifiers. , Color, size), and charts in which measurement information for each device identifier is connected with different line colors.
- the chart in which the measurement information for each device identifier can be visually distinguished is a chart that also has a plurality of measurement information capabilities of the one device identifier when the output instruction includes only one device identifier.
- the chart in which the measurement information for each recipe identifier can be visually distinguished is different from the chart in which the measurement information for each recipe identifier is different when the output instruction includes two or more recipe identifiers (square and circle shapes, Color, size), and charts in which measurement information for each recipe identifier is connected by different line types (solid line, broken line, etc.).
- the chart in which the measurement information for each recipe identifier can be visually distinguished is a chart that also has a plurality of measurement information capabilities of the one recipe identifier when the output instruction includes only one recipe identifier.
- the output information configuration unit 1206 is a chart in a mode in which the measurement information for each device identifier can be visually distinguished from the plurality of read measurement information, and the time indicated by the time information included in one type of measurement information.
- an SPC chart (univariate abnormality detection chart) that is a chart in which a plurality of read measurement information is plotted may be configured.
- the SPC chart is a chart for detecting abnormalities by monitoring univariate variables. In the SPC chart, set the upper and lower limit values (management values) to be monitored (previously stored in the condition information storage unit 1209), and if the value is outside the control value, the abnormality detection unit 1210 detects an abnormality. It is preferable to visually indicate the detected abnormality.
- the output information configuration unit 1206 visually displays the measurement information for each device identifier from a plurality of measurement information having one of the one or more device identifiers. It is a chart of an aspect that can be distinguished into two types of measurement A correlation chart (bivariate abnormality detection chart) that is a chart showing the correlation of information may be configured. The correlation chart is a chart for monitoring the bivariate correlation. Further, when the output instruction includes one or more recipe identifiers, the output information configuration unit 1206 measures measurement information for each recipe identifier from a plurality of measurement information having a deviation force among the one or more recipe identifiers.
- Is a chart that can be visually distinguished, and an MD chart that is a chart showing the correlation of three or more types of measurement information may be configured.
- the configuration of the chart is, for example, a process of obtaining a chart by connecting a plurality of pieces of measurement information with lines along a time axis.
- the process of constructing the chart is a known technique, and thus detailed description is omitted.
- the processing for constructing the SPC chart, the correlation chart, and the MD chart is a known technique, and thus detailed description thereof is omitted.
- the two types of measurement information include information including two types of measured values (for example, temperature and gas flow rate) in one measurement information.
- the three or more types of measurement information includes information including three or more types of measured values (for example, temperature, gas flow rate, and pressure) in one measurement information.
- the output information configuration unit 1206 can also realize an MPU, a memory and the like.
- the processing procedure of the output information configuration unit 1206 is usually realized by software, and the software is recorded on a recording medium such as a ROM. However, it may be realized by hardware (dedicated circuit).
- the output unit 1207 outputs the chart configured by the output information configuration unit 1206.
- the output is normally transmission to the client device 13.
- the output unit 1207 may be connected to the server device 12 to display a chart on a display, print it on a printer, or send it to an external device.
- the output unit 1207 can be realized by a wireless or wired communication means.
- the output unit 1207 may be implemented by output device driver software, or output device driver software and an output device.
- the output instruction accumulation unit 1208 accumulates an output instruction which is an instruction such as having point or Z and line attribute information and a device identifier, or having point or Z and line attribute information and a recipe identifier. For example, when the instruction receiving unit 1205 receives an accumulation instruction that is an instruction for accumulating chart settings (including color information), the output instruction accumulating unit 1208 receives point or Z and line attribute information and a device identifier, or Point or Z and line attribute information and recipe An output instruction having an identifier may be accumulated.
- the output instruction storage unit 1208 can usually be implemented with an MPU or memory power.
- the processing procedure of the output instruction storage unit 1208 is usually realized by software, and the software is recorded on a recording medium such as a ROM. However, it may be realized by hardware (dedicated circuit).
- the condition information storage unit 1209 stores condition information that is information related to an abnormality detection condition.
- the condition information is, for example, an upper limit value and a lower limit value that indicate a normal range of measurement values.
- the condition information may be only the upper limit value between the normal value and the abnormal value, for example.
- the condition information varies depending on the value to be measured (temperature, pressure, gas flow rate, etc.).
- the structure of the condition information does not matter.
- the condition information storage unit 1209 can also be realized by a force volatile recording medium, which is preferably a non-volatile recording medium.
- the abnormality detection unit 1210 determines whether the measurement value included in the measurement information in the measurement information storage unit 1201 is abnormal or normal.
- the abnormality detection unit 1210 uses the condition information stored in the condition information storage unit 1209 to determine whether the measurement value included in the measurement information is abnormal or normal. More specifically, when the instruction receiving unit 1205 receives the output instruction, the abnormality detection unit 1210 receives a plurality of pieces of measurement information that matches the product woofer number condition included in the output instruction from the measurement information storage unit 1201. Read out and determine whether each of the read out measurement information matches the condition information.
- the abnormality detection unit 1210 satisfies a wafer number condition included in the output instruction and performs a plurality of measurements having one of one or more device identifiers included in the output instruction. Information is read from the measurement information storage unit 1201, and it is determined whether or not the read measurement information matches the condition information.
- the abnormality detection unit 1210 receives the instruction receiving unit 1205 force S output instruction
- the abnormality detection unit 1210 satisfies the product wafer number condition included in the output instruction, and has one of one or more recipe identifiers included in the output instruction.
- the measurement information is read from the measurement information storage unit 1201 and it is determined whether or not the read measurement information matches the condition information.
- the abnormality detection unit 1210 can usually be realized by an MPU, a memory, or the like.
- the processing procedure of the anomaly detection unit 1210 is usually realized by software, and the software is recorded on a recording medium such as a ROM. However, it may be realized by hardware (dedicated circuit).
- the abnormality detection process in the abnormality detection unit 1210 is a well-known Anomaly detection processing may be used.
- the instruction input unit 1301 inputs various instructions.
- the various instructions include a start instruction, a chart output instruction, and an instruction to change chart attribute values (line type, line color, point type, point color, etc.).
- the instruction input means may be anything such as a numeric keypad, keyboard, mouse or menu screen.
- the instruction input unit 1301 can be realized by input means such as a numeric keypad and a keyboard, its device driver, control software for a menu screen, and the like.
- the instruction sending unit 1302 sends the instruction input from the instruction input unit 1301 to the server device 12.
- the sending here is usually sending using communication means.
- the instruction sending unit 1302 can be realized by a wireless or wired communication means.
- the accepting unit 1303 accepts chart information from the server device 12.
- the acceptance here is usually reception using a communication means.
- the accepting unit 1303 can be realized by a wireless or wired communication means.
- Display unit 1304 displays information on the chart received by receiving unit 1303 on the display.
- the display unit 1304 may or may not include a display.
- the display unit 1304 can be realized by display driver software or display driver software and a display.
- Step S 401 The processing unit 1105 reads the recipe in the recipe storage unit 1102.
- Step S 402 The processing unit 1105 assigns 1 to the counter i.
- Step S403 The processing unit 1105 determines whether or not the i-th processing step is present in the recipe read in step S401. If the i-th processing step exists, go to step S404, and if the i-th processing step does not exist, go to step S409.
- Step S404 The processing unit 1105 executes the process of the i-th step.
- Step S405 The measurement unit 1106 performs one or more kinds of predetermined measurements (for example, temperature and pressure), and original information (the original information here usually has only one or more values).
- Step S 406 The measurement unit 1106 obtains time information from a clock (not shown), adds time information to the measured information, and configures original information.
- Step S407 The original information accumulation unit 1107 temporarily accumulates the original information configured in step S406 in a memory (not shown).
- Step S408 The original information transmitting unit 1108 transmits the original information temporarily stored in Step S407 (here, a set of one or more values and time information) to the server device 12. It is assumed that the original information transmission unit 1108 holds information for communicating with the server device 12 (for example, the IP address of the server device 12).
- Step S409 The processing unit 1105 increments the counter i by 1, and returns to step S403.
- Step S 410) The source information transmission unit 1108 reads the product wafer number storage unit 1104 from the product wafer number storage unit 1104.
- Step S 411 The original information transmission unit 1108 reads the recipe identifier from the recipe storage unit 1102. This recipe identifier is the recipe identifier of the recipe read in step S401.
- Step S 412 The source information transmitting unit 1108 reads the manufacturing device identifier from the manufacturing device identifier storage unit 1103.
- Step S 413 The source information transmission unit 1108 transmits the number of product wafers, the recipe identifier, and the manufacturing device identifier read in step S 412 from step S 410 to the server device 12. It is assumed that the original information transmission unit 1108 holds information for communicating with the server device 12 (for example, the IP address of the server device 12).
- a plurality of sets of one or more values and time information included in the original information to be transmitted, the number of product woofers, a recipe identifier, and a manufacturing device identifier are stored in the server device 12 together. You may send it.
- Step S501 The instruction receiving unit 1205 determines whether or not the instruction has been received. If an instruction is accepted, go to step S502; otherwise, go to step S508.
- Step S502 The abnormality detection unit 1210 determines whether or not the instruction received in step S501 is a force to output a chart. If it is a chart output instruction, the process proceeds to step S503. If it is not a chart output instruction, the process returns to step S501.
- the abnormality detection unit 1210 receives the number of product wafers (may be within the range of product wafers) included in the instruction received in Step S501, or the number of product wafers and one or more device identifiers, or the number of product wafers. Obtain one or more recipe identifiers, or the number of product wafers, one or more device identifiers, and one or more recipe identifiers. Note that if the instruction received in step S501 includes other attribute values such as the total number of wafers, the abnormality detection unit 1210 also acquires other attribute values to be used.
- Step S504 The abnormality detection unit 1210 obtains the number of product wafers acquired in Step S503.
- the measurement information includes at least values (such as temperature and gas flow rate), time information, and the number of product wafers.
- the search using one or more device identifiers as a key is to obtain measurement information having any one of the one or more device identifiers.
- the search using one or more recipe identifiers as a key is to obtain measurement information having any one of the above-described recipe identifiers.
- Step S505 The abnormality detection unit 1210 determines whether each measurement value included in the one or more pieces of measurement information acquired in Step S504 is abnormal or normal. The abnormality detection unit 1210 uses the condition information to determine whether each measurement value is abnormal or normal.
- the output information configuration unit 1206 configures output information such as a chart according to the received output instruction from the measurement information acquired in Step S504.
- the chart line attribute values (line color, line type, point color, point type, etc.) are the specified attribute value, default attribute value, etc.
- the output information configuration unit 12 06 configures a chart using the attribute values that are strong.
- the chart to be configured is a chart in which the measurement information for each device identifier can be visually distinguished, or a chart in which the measurement information for each Z and recipe identifier can be visually distinguished.
- the chart to be configured is a chart according to chart type information (SPC chart, correlation chart, MD chart, etc.) included in the output instruction.
- the output information configuration unit 1206 performs step S50.
- the output information corresponding to the result of the abnormality detection process in 5 is configured.
- the “output information according to the result of the abnormality detection process” may be output information in a mode that clearly indicates whether the measurement information is abnormal or normal, or may be a chart that clearly indicates a threshold value between abnormality and normality. .
- Step S507 The output unit 1207 outputs the output information configured in step S505.
- the output is transmission to the client device 13. Return to step S501.
- Step S508 The original information receiving unit 1202 determines whether or not a set of one or more values and time information has been received by the manufacturing apparatus. If one or more value / time information pairs are received, the process proceeds to step S509. If one or more value / time information pairs are not received, the process proceeds to step S510.
- Step S509 The original information receiving unit 1202 adds a set of one or more values and time information received in Step S508 to a memory (not shown). Return to step S501.
- Step S 510) The source information receiving unit 1202 determines whether or not an attribute value such as the number of product wafers has been received from the manufacturing apparatus 11. If an attribute value such as the number of product wafers is received, the process proceeds to step S511. If an attribute value such as the number of product wafers is not received, the process returns to step S501.
- the attribute values such as the number of product wafers are, for example, the number of product wafers, a device identifier, and a recipe identifier.
- the original information receiving unit 1202 adds attribute values such as the number of product wafers received in step S510 to a plurality of sets of one or more types of values and time information added to the memory. Configure the original information. Here, a plurality of original information is configured. Also, one attribute value such as the number of product woofers may be assigned to multiple sets of one or more types of values and time information, and each set of one or more types of values and time information may be assigned. One attribute value may be assigned to it. That is, the data structure of the original information does not matter.
- Step S512 The measurement information acquisition unit 1203 performs a predetermined calculation on the plurality of pieces of original information configured in Step S511, and acquires one or more measurement information.
- Predetermined calculation for multiple source information means to perform predetermined calculation (average value calculation, standard deviation calculation, maximum value acquisition) for each of one or more values of multiple sets of multiple source information. Etc.).
- the plurality of original information to be subjected to a predetermined calculation is a plurality of original information at a predetermined time interval (for example, 10 minutes), or a plurality of original information at a predetermined number of steps. Every newsletter.
- Measurement information storage section 1204 stores one or more pieces of measurement information acquired in step S 512 in measurement information storage section 1201. Return to step S501.
- the original information and the measurement information may be the same information.
- the process of reading the original information is performed in step S512.
- abnormality detection is started in real time, and output is performed every time the original information is received. It is preferable to perform anomaly detection processing while updating information (chart, etc.) and notify the user as soon as an anomaly occurs. That is, it is more preferable to perform the following processing in the flowchart of FIG. That is, the original information receiving unit 1202 receives the original information from the manufacturing apparatus 11 one after another in real time (during manufacturing in the manufacturing apparatus 11), and the measurement information acquiring unit 1203 configures the measurement information from the original information one after another.
- the measurement information storage unit 1204 at least temporarily arranges the measurement information in the measurement information storage unit 1201, and the abnormality detection unit 1210 performs an abnormality detection process from the measurement information configured one after another to output information.
- the configuration unit 1206 updates the output information, and the output unit 1207 outputs the updated output information one after another.
- the instruction input receiving unit 1301 of the client device 13 receives the output instruction of the chart for the user power
- the instruction sending unit 1322 sends the output instruction to the server device 12
- the processing result in the server device 12 is
- the receiving unit 1303 receives the information of the chart to be displayed, and the display unit 1304 displays the chart.
- Figure 1 shows a conceptual diagram of the group management system.
- the processing unit 1105 reads the recipe stored in the recipe storage unit 1102. The read recipe is executed, and the wafer manufacturing process proceeds. Then, the measuring unit 1106 measures the gas flow rate in the furnace determined in advance, for example, every second during the manufacturing process of the woofer, and compares the acquired gas flow rate with the time information acquired from a clock (not shown). Thus, the original information transmission unit 1108 transmits to the server apparatus 12 every second, for example.
- the original information includes gas flow rate and time information.
- the time information is information indicating the time, and may be information specifying hours, minutes, and seconds, or information only about date and time.
- the original information transmission unit 1108 of the manufacturing apparatus 11 includes the manufacturing apparatus identifier of the manufacturing apparatus identifier storage unit 1103, and the recipe identifier ( The identifier of the recipe executed when performing a predetermined process on the processing substrate) and the product wafer number stored in the product wafer number storage unit 1104 are read out and transmitted to the server device 12.
- the original information receiving unit 1202 of the server device 12 receives and temporarily accumulates information on a set of gas flow rate and time information, for example, sequentially every second. Then, the manufacturing device identifier, the recipe identifier, and the number of product wafers are received. Then, the original information receiving unit 1202 temporarily records original information having a plurality of sets of gas flow rate and time information, the number of product woofers, a recipe identifier, and a manufacturing apparatus identifier in a memory.
- Figure 7 shows an example of the original information.
- Figure 7 shows the original information management table.
- the original information management table includes “manufacturing device identifier”, “recipe identifier”, “number of product woofers”, “value (gas flow rate)”, and “time information”.
- FIG. 7 there is a data structure in which a plurality of values (here, one type of values) and time information correspond to one manufacturing device identifier, recipe identifier, and number of product wafers. Further, in FIG. 7, the original information for the execution of the plurality of manufacturing apparatuses 11 and the plurality of recipes is managed.
- the measurement information acquisition unit 1203 includes the same manufacturing apparatus identifier, recipe identifier, and For each number of product woofers, a plurality of pieces of original information are acquired, a predetermined calculation is performed on the pieces of original information, and a plurality of pieces of measurement information are obtained.
- the predetermined calculation is calculation of an average value, and the measurement information acquisition unit 1203 calculates the average value every hour. Then, it is assumed that the measurement information acquisition unit 1203 obtains the measurement information management table shown in FIG. 8 from the original information management table of FIG.
- the measurement information storage unit 1204 stores the measurement information management table of FIG. 8 acquired by the measurement information acquisition unit 1203 in the measurement information storage unit 1201.
- the measurement information storage unit 1201 stores, for example, a huge amount of measurement information.
- Fig. 9 is a screen for inputting a chart output instruction and outputting the chart.
- the necessary information is one of the data type (the type of measurement information data, eg, gas flow rate, temperature, pressure, etc.), wafer number information, manufacturing equipment identifier, and recipe identifier. This is the information above.
- a data type is required.
- only the data type and information on the number of wafers may be entered on the screen in FIG.
- the data type “gas flow rate”, the number of product wafers “35-40”, the manufacturing device identifier “E1”, and the recipe identifiers “R1” and “R5” are entered.
- An output instruction for outputting measurement information that matches the condition is accepted.
- output information configuration section 1206 configures a chart that is output information using the information in FIG. 10 and the determination result of abnormality detection section 1210.
- This chart is a line graph with the horizontal axis representing the time indicated by the time information and the vertical axis representing the value (average value of the gas flow rate).
- the output unit 1207 transmits the line graph configured by the output information configuration unit 1206 to the client device 13.
- the reception unit 1303 of the client device 13 receives the line graph, and the display unit 1404 displays the line graph on the display as shown in FIG. In Figure 11, positive The normal range is shaded.
- the user can know the manufacturing state of the manufacturing apparatus by paying attention only to the value measured under the condition including the desired number of product woofers. It is extremely effective. Specifically, the resistance value when the gas flows is different depending on the number of product wafers. For this reason, the frequency of occurrence of abnormalities and the types of abnormalities may vary. By paying attention only to the values measured under conditions including the number of product woofers, it is possible to know the manufacturing status of the manufacturing equipment and detect anomalies with high accuracy. In the line graph of Fig. 11, when the number of product wafers is as large as 35 to 40, the gas flow rate is lower than the normal range (for example, 300 is the lower limit value of the normal state), and the product is defective. It is possible to determine that there is a high possibility of occurrence.
- the measurement information is searched under the condition including the total number of wafers, which is the dummy wafer and the product wafer number.
- the measurement information will include attribute values for all wafers.
- the user may specify the conditions including the number of wafers (number of product wafers, or the total number of wafers), one or more manufacturing apparatus identifiers, and one or more recipe identifiers. .
- the user may specify only the number of product wafers to obtain the chart output, or may specify only the number of product wafers and one or more manufacturing equipment identifiers to obtain the chart output, or the product wafer.
- the chart output may be obtained by specifying only the number of sheets and one or more recipe identifiers, or the chart output may be obtained by specifying the number of product wafers, one or more manufacturing equipment identifiers and one or more recipe identifiers.
- the present embodiment it is possible to configure a chart by filtering measured information using the number of product wafers. As a result, it is possible to detect abnormalities with high accuracy. Specifically, the power that is normally connected to the product woofer and the wiring that is not connected to the dummy woofer is normal, for example, depending on the number of product woofers. Therefore, the resistance value when the gas flows is different, and therefore the frequency of occurrence and type of abnormality may differ. According to the present embodiment, it is possible to output a chart that enables detection of an abnormality corresponding to a powerful situation.
- information measured using the number of product wafers that does not include dummy wafers as a key is filtered to detect anomalies, so that variations in measurement information can be reduced. This makes it possible to set a narrow threshold for judgment and to detect abnormalities with high accuracy.
- the chart to be output includes a plurality of measurement information that matches the output instruction (instruction to output the SPC chart) from the measurement information storage unit 1201.
- This is a chart in a mode in which the measurement information for each device identifier or Z and the recipe identifier can be visually distinguished from the read measurement information, and read in order of the time indicated by the time information of one type of measurement information.
- an SPC chart that is a chart in which a plurality of measurement information is plotted may be used.
- the SPC chart shown in FIG. 12 is an SPC chart in which, for example, the measurement information power of one device identifier is also configured. In the SPC chart shown in FIG.
- a management value (upper limit) and a management value (lower limit) are output. If the value is outside the management value, it indicates an abnormality.
- the condition value storage unit 1209 holds the management value (upper limit) and the management value (lower limit) in advance.
- the chart to be output includes a plurality of pieces of measurement information that match the output instruction (instruction to output the correlation chart) from the measurement information storage unit 1201.
- This is a chart in which the measurement information for each device identifier or Z and recipe identifier can be visually distinguished from the read measurement information.
- the correlation between two types of measurement information (for example, temperature and pressure) It may be a correlation chart which is a chart shown.
- the correlation chart shown in FIG. 13 is a correlation chart in which, for example, two types of measurement information power of one device identifier are also configured.
- two management values are output in the correlation chart shown in FIG. A value outside the range of these two control values indicates an abnormality.
- the chart to be output is, as shown in FIG. 14, one or more device identifiers included in the output instruction (instruction to output the MD chart), Store multiple measurement information with Z and one or more recipe identifiers
- This is a chart in a mode in which measurement information for each device identifier or Z and for each recipe identifier can be visually distinguished from the measurement information read out from the unit 1201, and three or more types of measurement information (for example, two locations)
- the MD chart shown in FIG. 14 is, for example, an MD chart composed of measurement information of one device identifier. Further, the MD chart shown in FIG.
- the MD chart shown in FIG. 14 is a chart in which an abnormality is determined using, for example, Mahalanobis distance. More specifically, the MD chart shown in FIG. 14 is a chart that models data at normal time and numerically indicates the degree of abnormality using Mahalanobis distance. In the MD chart shown in FIG. 14, two management values are output. If the value falls outside the range of these two control values, it indicates an abnormality.
- the output chart is a chart in which measurement information of one device identifier or one recipe is displayed, and has one type of measurement information. It was a line graph in which a plurality of read out measurement information was connected in the order of time indicated by the time information. However, as shown in FIG. 15, the output chart reads a plurality of measurement information having three device identifiers included in the output instruction from the measurement information storage unit 1201 and measures each device identifier from the read measurement information. It is a chart of a mode in which information can be visually distinguished, and may be three charts in which a plurality of read measurement information is plotted in the order of time indicated by time information of one type of measurement information.
- the output instruction includes, for example, three device identifiers of “device A”, “device B”, and “device C”. Then, the anomaly detection unit 1210 searches the measurement information storage unit 1201 three times using “device A”, “device B”, and “device C” as keys, and acquires the measurement information three times. For each key, the output information configuration unit 1206 separately configures charts of attribute values of different points and lines to obtain three charts. Three charts are output.
- the display form of three or more charts can be freely selected. Situation analysis is possible.
- the server apparatus 12 may hold the original information and the measurement information in advance.
- the original information or measurement information is stored in a means not shown. Is acquired from the manufacturing apparatus 11 and passed to the server apparatus 12 via a recording medium or the like.
- the user inputs an instruction to enlarge a part of the chart of interest, and changes the scale of a part of the chart (by changing the time interval of measurement information or the step interval). It is preferable to output the chart.
- the original information and the measurement information may have the same configuration. In such cases
- the measurement information acquisition unit and the measurement information storage unit are not necessary.
- the present embodiment it is not essential to transmit and receive original information between the manufacturing apparatus and the server apparatus.
- the original information may be given from the manufacturing apparatus to the server apparatus via a recording medium, for example.
- the group management system may not have the client device 13.
- the user inputs an instruction such as an output instruction to the server device 12.
- the device identifier or the recipe identifier is specified and the chart is output.
- the chart may be output by specifying one or more device identifiers and one or more recipe identifiers. good.
- the anomaly detection unit 1210 measures each of the specified one or more device identifiers and one or more recipe identifiers as keys. Information (or original information) is searched and an abnormality is detected, and the output information configuration unit 1206 configures a chart.
- an abnormality detection process is performed in real time, and the output information (such as a chart) is updated each time the original information is received. It is very suitable to do. This is the power to immediately detect the occurrence of an abnormality.
- the real-time abnormality detection is a following process. In other words, the abnormality detection unit immediately determines whether or not the measurement information acquired one after another by the measurement information acquisition unit matches the condition information, and the output information configuration unit determines the result of the determination by the abnormality detection unit. The corresponding output information is configured one after another, and the output unit outputs the output information configured by the output information configuration unit while updating it.
- the processing in the present embodiment may be realized by software.
- This software may be distributed by software download or the like.
- this software May be recorded on a recording medium such as a CD-ROM and distributed.
- the software that realizes the server device in the present embodiment is the following program.
- this program is time-series information about information measured by a plurality of manufacturing apparatuses that perform a predetermined process on a substrate to be processed in a computer, and is a product that is the number of woofers of products manufactured by the manufacturing apparatus.
- An instruction receiving step for storing a plurality of measurement information, which is information including time information indicating the number of woofers and time, and receiving an instruction to output a chart including a product woofer number condition that is a condition relating to the number of product woofers;
- a plurality of pieces of measurement information that matches the product wafer number condition included in the output instruction is read, and whether or not the read pieces of measurement information match the condition information.
- An abnormality detection step for determining whether or not, and an output information configuration step for configuring output information according to the determination result of the abnormality detection step
- a program for executing an output step for outputting the output information configured in the output information configuration step.
- the measurement information is time-series information about information measured by the plurality of manufacturing apparatuses, and includes an apparatus identifier for identifying the manufacturing apparatus and a product woofer.
- the output information output instruction includes a product wafer number condition and one or more device identifiers.
- the output instruction is output in the instruction reception step. If accepted, it reads out a plurality of measurement information having one of one or more device identifiers included in the output instruction that matches the product wafer number condition included in the output instruction, and the read measurement information is included in the condition information. It is preferable that the program is a program for judging whether or not the matching force is satisfied.
- the measurement information is time-series information about information measured by the plurality of manufacturing apparatuses, and includes an apparatus identifier for identifying the manufacturing apparatus and a product woofer.
- the output information output instruction includes a product wafer number condition and one or more device identifiers.
- the output instruction is output in the instruction reception step.
- the plurality of measurement information having one of one or more device identifiers included in the output instruction that matches the product wafer number condition included in the output instruction is read, and the read measurement information is the condition information It is preferable that the program is a program for judging whether or not the force matches the above.
- the measurement information is time-series information about information measured by the plurality of manufacturing apparatuses, and includes a recipe identifier for identifying a recipe and the number of product wafers.
- the output information output instruction includes a product woofer number condition and one or more recipe identifiers, and the abnormality detection step receives an output instruction in the instruction reception step. Then, a plurality of pieces of measurement information that match one of the one or more recipe identifiers included in the output instruction that matches the product wafer number condition included in the output instruction is read, and the read measurement information matches the condition information. It is preferable that the program is a program for determining whether or not it matches.
- the program may cause a computer to receive original information, which is information that is the basis of the plurality of pieces of measurement information, from the plurality of manufacturing apparatuses, and a plurality of pieces of information received in the original information reception step.
- original information which is information that is the basis of the plurality of pieces of measurement information
- the predetermined calculation is performed on the original information !
- a measurement information acquisition step for acquiring a plurality of measurement information
- a measurement information storage step for storing the plurality of measurement information acquired in the measurement information acquisition step are further executed. It may be a program for
- the measurement information for each device identifier can be visually distinguished from the measurement information read in the abnormality detection step. It is preferable to construct an SPC chart that is a chart in which the plurality of read measurement information is plotted in the order of the time indicated by the time information included in the information.
- the measurement information for each device identifier can be visually distinguished from the measurement information read out in the abnormality detection step. It is preferable to construct a correlation chart that is a chart showing the correlation of information.
- the output information configuration step of the program there is a chart in which the measurement information for each device identifier can be visually distinguished from the measurement information read in the abnormality detection step, and there are three or more types of charts. It is preferable to construct an MD chart which is a chart showing the correlation of measurement information. [0114] In addition, in the output information configuration step of the program, the measurement information for each recipe identifier can be visually distinguished from the measurement information read in the abnormality detection step. It is preferable to construct an SPC chart that is a chart in which a plurality of the read-out measurement information is plotted in the order of the times indicated by the time information included in.
- the measurement information for each recipe identifier can be visually distinguished from the measurement information read in the abnormality detection step. It is preferable to construct a correlation chart that is a chart showing the correlation of
- the measurement information for each recipe identifier can be visually distinguished from the measurement information read in the abnormality detection step, and there are three or more types of measurement. It is preferable to construct an MD chart which is a chart showing the correlation of information.
- each process may be realized by centralized processing by a single device (system), or may be distributed by a plurality of devices. It will be realized by.
- the computer that executes the program may be a single computer or a plurality of computers. That is, centralized processing or distributed processing may be performed.
- two or more communication means an original information receiving unit, an output unit, etc.
- two or more communication means existing in one device may be physically realized by one medium. Needless to say.
- the server device has an effect that the measured information can be filtered using the number of product wafers as a key, and a plurality of manufacturing processes for performing a predetermined process on the substrate to be processed. It is useful as a group management system or the like having a device and a server device connected to the plurality of manufacturing devices.
- FIG. 1 A diagram showing a conceptual diagram of the group management system in the embodiment.
- FIG. 4 is a flowchart for explaining the operation of the manufacturing apparatus.
- FIG. 5 is a flowchart illustrating the operation of the server device.
- FIG. 9 A diagram showing an example of an input instruction input screen of the client device.
- FIG. 10 is a diagram showing an example of information that is the basis of the chart acquired by the abnormality detection unit
- FIG. 11 is a chart showing an example of chart output on the client device
- FIG. 12 is a diagram showing an example of chart output on the client device
- FIG. 13 is a diagram showing an example of chart output on the client device
- FIG. 14 is a diagram showing an example of chart output on the client device
- FIG. 15 is a diagram showing an example of chart output on the client device
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN2007800164762A CN101438384B (zh) | 2006-05-09 | 2007-04-24 | 服务器装置及程序 |
EP07742226A EP2034512A4 (en) | 2006-05-09 | 2007-04-24 | SERVER DEVICE AND PROGRAM |
US12/300,015 US8355808B2 (en) | 2006-05-09 | 2007-04-24 | Server device of group management system having function of performing fault detection and program |
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JP2006129729A JP4697879B2 (ja) | 2006-05-09 | 2006-05-09 | サーバ装置、およびプログラム |
JP2006-129729 | 2006-05-09 |
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WO2007129567A1 true WO2007129567A1 (ja) | 2007-11-15 |
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US (1) | US8355808B2 (ja) |
EP (1) | EP2034512A4 (ja) |
JP (1) | JP4697879B2 (ja) |
KR (1) | KR101016721B1 (ja) |
CN (1) | CN101438384B (ja) |
TW (1) | TW200813879A (ja) |
WO (1) | WO2007129567A1 (ja) |
Families Citing this family (7)
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TWI351052B (en) * | 2008-02-05 | 2011-10-21 | Inotera Memories Inc | A system and a method for monitoring a process |
JP5992706B2 (ja) * | 2012-03-26 | 2016-09-14 | 東京エレクトロン株式会社 | 半導体製造装置の障害監視システム及び障害監視方法 |
JP6063313B2 (ja) | 2013-03-22 | 2017-01-18 | 株式会社東芝 | 電子デバイスの製造支援システム、製造支援方法及び製造支援プログラム |
JP6403722B2 (ja) * | 2016-07-21 | 2018-10-10 | 株式会社Kokusai Electric | 基板処理装置、半導体装置の製造方法、プログラム |
US20190188269A1 (en) * | 2017-12-14 | 2019-06-20 | Honeywell International Inc. | Providing bots for industrial processes |
TWI698728B (zh) * | 2018-03-13 | 2020-07-11 | 日商住友重機械工業股份有限公司 | 用以支援製程控制之顯示裝置及顯示方法 |
JP7029362B2 (ja) * | 2018-08-16 | 2022-03-03 | 三菱重工業株式会社 | 異常検出装置、異常検出方法、及びプログラム |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11354395A (ja) | 1998-06-05 | 1999-12-24 | Kokusai Electric Co Ltd | 半導体製造装置の群管理システムにおける測定データ加工方法 |
JP2002025997A (ja) | 2000-07-06 | 2002-01-25 | Tokyo Electron Ltd | バッチ式熱処理装置及びその制御方法 |
WO2005045907A1 (ja) * | 2003-11-10 | 2005-05-19 | Renesas Technology Corp. | 半導体集積回路装置の製造方法 |
JP2005142467A (ja) * | 2003-11-10 | 2005-06-02 | Renesas Technology Corp | 半導体デバイスの製造方法および半導体製造システム |
JP2005536891A (ja) * | 2002-08-20 | 2005-12-02 | 東京エレクトロン株式会社 | データコンテキストに基づいてデータを処理する方法 |
JP2005347371A (ja) * | 2004-06-01 | 2005-12-15 | Matsushita Electric Ind Co Ltd | エラーバンド自動設定システム |
JP2006129729A (ja) | 2004-11-02 | 2006-05-25 | Kokando:Kk | イヌリン分解酵素及びその遺伝子 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5890951A (en) * | 1996-04-15 | 1999-04-06 | Lsi Logic Corporation | Utility wafer for chemical-mechanical planarization |
US5886896A (en) * | 1996-11-19 | 1999-03-23 | Advanced Micro Devices, Inc. | Method and apparatus for integrated control of a sensor in a manufacturing processing station |
US6303398B1 (en) * | 2000-05-04 | 2001-10-16 | Advanced Micro Devices, Inc. | Method and system of managing wafers in a semiconductor device production facility |
GB2371404B (en) | 2001-01-23 | 2003-07-09 | Univ Glasgow | Improvements in or relating to optical devices |
US6954883B1 (en) * | 2002-01-11 | 2005-10-11 | Advanced Micro Devices, Inc. | Method and apparatus for performing fault detection using data from a database |
CN100520706C (zh) * | 2002-06-19 | 2009-07-29 | 布鲁克斯自动技术公司 | 半导体制造用竖直传送带与空中升降机组合式自动物料搬运系统 |
US7010364B1 (en) * | 2003-09-22 | 2006-03-07 | The Mathworks, Inc. | System and method for performing process visualization |
US7117058B2 (en) * | 2004-06-24 | 2006-10-03 | Taiwan Semiconductor Manufacturing Co., Ltd. | Automatic statistical process control (SPC) chart generation apparatus and method thereof |
JP4455225B2 (ja) * | 2004-08-25 | 2010-04-21 | Necエレクトロニクス株式会社 | 半導体装置の製造方法 |
US7477960B2 (en) * | 2005-02-16 | 2009-01-13 | Tokyo Electron Limited | Fault detection and classification (FDC) using a run-to-run controller |
-
2006
- 2006-05-09 JP JP2006129729A patent/JP4697879B2/ja active Active
-
2007
- 2007-04-24 US US12/300,015 patent/US8355808B2/en active Active
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- 2007-04-24 KR KR1020087027696A patent/KR101016721B1/ko active IP Right Grant
- 2007-04-24 CN CN2007800164762A patent/CN101438384B/zh active Active
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11354395A (ja) | 1998-06-05 | 1999-12-24 | Kokusai Electric Co Ltd | 半導体製造装置の群管理システムにおける測定データ加工方法 |
JP2002025997A (ja) | 2000-07-06 | 2002-01-25 | Tokyo Electron Ltd | バッチ式熱処理装置及びその制御方法 |
JP2005536891A (ja) * | 2002-08-20 | 2005-12-02 | 東京エレクトロン株式会社 | データコンテキストに基づいてデータを処理する方法 |
WO2005045907A1 (ja) * | 2003-11-10 | 2005-05-19 | Renesas Technology Corp. | 半導体集積回路装置の製造方法 |
JP2005142467A (ja) * | 2003-11-10 | 2005-06-02 | Renesas Technology Corp | 半導体デバイスの製造方法および半導体製造システム |
JP2005347371A (ja) * | 2004-06-01 | 2005-12-15 | Matsushita Electric Ind Co Ltd | エラーバンド自動設定システム |
JP2006129729A (ja) | 2004-11-02 | 2006-05-25 | Kokando:Kk | イヌリン分解酵素及びその遺伝子 |
Non-Patent Citations (1)
Title |
---|
DOROUGH M. ET AL.: "Tactical advanced process control", 2003 IEEE INTERNATIONAL SEMICONDUCTOR MANUFACTURING SYMPOSIUM, IEEE, 2003, pages 358 - 361, XP010667472 * |
Also Published As
Publication number | Publication date |
---|---|
CN101438384B (zh) | 2011-04-13 |
JP2007305633A (ja) | 2007-11-22 |
KR101016721B1 (ko) | 2011-02-25 |
EP2034512A4 (en) | 2011-08-31 |
US20090177308A1 (en) | 2009-07-09 |
TWI337755B (ja) | 2011-02-21 |
EP2034512A1 (en) | 2009-03-11 |
US8355808B2 (en) | 2013-01-15 |
KR20090007426A (ko) | 2009-01-16 |
TW200813879A (en) | 2008-03-16 |
JP4697879B2 (ja) | 2011-06-08 |
CN101438384A (zh) | 2009-05-20 |
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