WO2004100234A1 - 処理スケジュール作成方法、塗布現像装置、パターン形成装置、処理システム - Google Patents
処理スケジュール作成方法、塗布現像装置、パターン形成装置、処理システム Download PDFInfo
- Publication number
- WO2004100234A1 WO2004100234A1 PCT/JP2004/006196 JP2004006196W WO2004100234A1 WO 2004100234 A1 WO2004100234 A1 WO 2004100234A1 JP 2004006196 W JP2004006196 W JP 2004006196W WO 2004100234 A1 WO2004100234 A1 WO 2004100234A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- processing
- information
- coating
- processed
- condition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/70—Microphotolithographic exposure; Apparatus therefor
- G03F7/708—Construction of apparatus, e.g. environment aspects, hygiene aspects or materials
- G03F7/70991—Connection with other apparatus, e.g. multiple exposure stations, particular arrangement of exposure apparatus and pre-exposure and/or post-exposure apparatus; Shared apparatus, e.g. having shared radiation source, shared mask or workpiece stage, shared base-plate; Utilities, e.g. cable, pipe or wireless arrangements for data, power, fluids or vacuum
Definitions
- a processing schedule is created in which a plurality of processing objects are sequentially taken out of a plurality of storage containers for storing the plurality of processing objects, and in-line processing is performed by a plurality of processing apparatuses. About the method.
- a coating and developing device which is a unit for performing application and development of a resist solution on a workpiece such as a wafer, and a resist solution are applied.
- An in-line process is performed in combination with an exposure apparatus that performs an exposure process on the processed object.
- an in-line apparatus for performing such in-line processing in the case of an apparatus for processing an object in a single-wafer process, a plurality of, for example, 25 objects are accommodated in a cassette of an accommodating container, and the cassette is accommodated. Multiple cassettes are prepared, and one by one is sequentially taken out of these cassettes and processed.
- processing conditions for the in-line apparatus are determined for each of the plurality of processing objects. Therefore, a single cassette may contain multiple workpieces with different processing recipes, and multiple cassettes may contain multiple workpieces with the same processing recipe. In some cases.
- Japanese Patent Application Laid-Open No. 7-283097 discloses a method of integrally managing objects to be processed in a storage container and scheduling the order of processing. .
- processing recipes for the coating and developing apparatus and the exposure apparatus are respectively set.
- the combination of the processing recipe in the coating and developing apparatus and the processing recipe in the exposure apparatus may be different depending on the object to be processed.
- the processing in the exposure apparatus is optimized even if the processing objects in the same processing recipe are grouped in consideration of only the processing recipe in the coating and developing apparatus and the processing order is scheduled. Not necessarily.
- the present invention has been made in view of the above circumstances, and provides a processing schedule for creating a schedule for efficiently processing all the objects to be processed in a single wafer in an inline apparatus including a plurality of processing apparatuses.
- the purpose is to provide a creation method.
- a plurality of housings housing a plurality of objects to be processed is provided.
- the first processing apparatus includes: For each of the storage containers, a step of acquiring information in the storage container associated with the stored object to be processed, and the first processing device obtains information on processing conditions in the second processing device, Second Acquiring from the processing device, the first processing device includes: the attribute information, the container information, and the processing condition information of the first processing device included in the first processing device. Determining a processing order of the plurality of processing objects based on processing condition information of the second processing device acquired from the second processing device. A law is provided.
- the first processing apparatus having the storage container may include, in addition to the information on the processing in the processing apparatus, information on the processing conditions in the second processing apparatus connected in-line.
- the most efficient wafer processing schedule for the entire inline apparatus can be created.
- the attribute information specifies, for each of the objects to be processed, processing condition correspondence information associated with the processing conditions to be processed by each of the processing devices, and an accommodation container that is accommodated. It is preferable to include container name information. It is preferable that the in-container information includes information on the number of objects to be processed in the container and information on the number of processing conditions in which the objects in the container are processed. Further, it is preferable that the processing condition information includes information on a time required for processing the processing condition.
- the step of acquiring information on the processing conditions in the second processing device from the second processing device includes the step of the first processing device having a communication formed in a LAN (Local Area Network). It is preferably performed by directly communicating with the second processing device connected in-line via the path.
- LAN Local Area Network
- LANs have already been installed, and by using such facilities, equipment costs can be reduced.
- a host computer or the like can be used. The load on the device can be reduced.
- a plurality of housings accommodating a plurality of objects to be processed are provided.
- container A processing schedule creation method for creating a schedule for sequentially processing the object to be processed from a single wafer to a single wafer, wherein the object to be processed is processed on the in-line apparatus.
- a control unit for controlling an operation of the entire inline apparatus, for each of the processing objects, acquiring attribute information of the processing object associated with a processing condition of the processing object; and Means for obtaining, from each processing device, processing condition information relating to processing conditions for processing the plurality of processing objects; and the control means, wherein the processing object is processed in each processing device. Acquiring a priority processing condition at the time of performing the simulation based on the attribute information; and performing a simulation based on the processing condition information and the priority processing condition. Processing Sukeji Yule generation method and a step of determining the processing order of the previous SL plurality of the object is provided.
- control means for controlling the entire in-line apparatus for example, the host computer, in-line information relating to the processing of the object to be processed. Since the entire inline device is acquired, an efficient processing schedule can be created for the inline device as a whole. Further, by setting the priority processing conditions, it is possible to create a processing schedule giving priority to the processing of a specific processing device.
- the attribute information includes processing condition correspondence information associated with the processing conditions to be processed by the respective processing devices for the respective processing objects.
- the processing condition information includes information on a time required for processing the processing condition.
- the priority processing conditions include a condition that gives priority to the processing time in each processing device and a condition that gives priority to the processing time in the entire in-line device. It is preferable that the data is any one of the following.
- a coating and developing apparatus which is connected in-line with an exposure apparatus and performs single-wafer processing on the substrates sequentially taken out from a plurality of cassettes accommodating a plurality of substrates.
- a substrate attribute acquisition unit for acquiring, for each of all the substrates contained in the cassette, attribute information of the substrate associated with the cassette in which the substrate is accommodated and the processing conditions, the plurality of cassettes;
- a cassette information acquisition unit for acquiring information in the cassette associated with the accommodated substrate;
- a recipe information acquisition unit for acquiring information on processing conditions in the exposure apparatus from the exposure apparatus; Based on the attribute information, the information in the cassette, the processing condition information of the coating and developing device included in the coating and developing device, and the processing condition information of the exposure device obtained from the exposure device.
- a coating and developing apparatus comprising: a processing order determination unit that determines a processing order of the plurality of substrates.
- the coating and developing apparatus having a container acquires information on processing conditions in the inline-connected exposure apparatus in addition to information on processing in the coating and developing apparatus. Therefore, the most efficient substrate processing schedule can be created.
- a pattern forming apparatus comprising a coating and developing apparatus and an exposure apparatus connected inline, and performing a single-wafer processing on the substrates sequentially taken out from a plurality of cassettes accommodating a plurality of substrates.
- the coating and developing apparatus may further include, for each of all the substrates accommodated in the plurality of cassettes, the attribute information of the substrate associated with the cassette accommodating the substrate and the processing condition.
- a cassette information acquiring unit for acquiring the information in the cassette that has been removed, a recipe information acquiring unit for acquiring information on the processing conditions in the exposure apparatus from the exposure apparatus, the attribute information, and the inside of the cassette.
- a pattern forming apparatus comprising a determining unit is provided.
- the coating / developing apparatus having a storage container acquires information on processing conditions in the exposure apparatus in addition to information on processing in the coating / developing apparatus.
- the most efficient substrate processing schedule for the entire system can be created.
- a pattern forming apparatus comprising a coating and developing apparatus and an exposure apparatus connected inline, and performing a single-wafer processing on the substrates sequentially taken out from a plurality of cassettes accommodating a plurality of substrates.
- a substrate attribute acquisition unit that controls the operation of the entire pattern forming apparatus and acquires attribute information associated with the processing conditions of the substrate for each of all the substrates.
- Information a recipe information acquisition unit that acquires information from each of the coating and developing apparatus and the exposure apparatus, and a priority condition that acquires priority processing conditions when the substrate is processed in each of the coating and developing apparatus and the exposure apparatus.
- the control unit comprising: an acquiring unit; and an instruction from the control unit, wherein the attribute is set before the substrate is processed on the pattern forming apparatus. And a means for executing simulation based on the processing condition information and the priority processing condition, wherein a processing order of the substrate is determined based on a result of the simulation. Is provided.
- control means for controlling the entire pattern forming apparatus for example, a host computer, related to processing of the processing target to be processed before the processing target is processed on the pattern forming apparatus. Since information is obtained for the entire pattern forming apparatus, an efficient processing schedule can be created for the entire pattern forming apparatus.
- FIG. 1 is a block diagram illustrating a connection relationship between a pattern forming apparatus and a host computer in a processing system including a plurality of pattern forming apparatuses and a host computer to which the first embodiment is applied;
- FIG. 2 is a plan view showing the configuration of the pattern forming apparatus
- FIG. 3 is a block diagram showing a partial internal configuration of a coating and developing apparatus and an exposure apparatus which constitute the pattern forming apparatus;
- FIG. 4 is a diagram showing a partial storage element of an auxiliary storage unit of the coating and developing apparatus.
- FIG. 5 is a diagram showing an example of attribute information of a wafer housed in a cassette.
- FIG. 6 is a data table of wafer attribute information.
- FIG. 7 is a diagram showing an example of a data table of information in a container,
- FIG. 8 is a diagram showing an example of a data table of processing recipe information, and
- FIG. 9 is an execution flow of a processing schedule assembling program.
- FIG. 10 shows a pattern forming apparatus, a host computer, and a simulation system in a processing system including a plurality of pattern forming apparatuses, a host computer, and a simulator to which the second embodiment is applied. Block diagram showing a connection relationship,
- FIG. 11 is a block diagram showing a partial internal configuration of the host computer.
- FIG. 12 is a diagram showing a partial storage element of an auxiliary storage unit in the host computer.
- FIG. 13 is a diagram showing an example of a data table of wafer attribute information
- FIG. 14 is a diagram showing an example of a data table of processing condition information
- FIG. 15 is an example of a data table of priority condition information
- FIG. 16 is a diagram showing an execution flow of the condition setting program.
- FIG. 1 includes a plurality of pattern forming apparatuses (in-line apparatuses) used in a photolithography process in a process of manufacturing an electronic device such as a semiconductor or a liquid crystal display to which the present embodiment is applied, and a host computer.
- FIG. 4 is a block diagram illustrating a connection relationship between a pattern forming apparatus and a host computer in the processing system.
- the pattern forming apparatus 200 has a coating and developing apparatus 50 and an exposing apparatus 90, and these are used to transport a wafer as a processing object by an interface unit 80. They are arranged so as to be secured and interconnected by a communication path 35.
- a plurality of pattern forming apparatuses 200 are LAN cables 34 that form a LAN (Loca 1 Area Network) using, for example, Ethernet (registered trademark). Connected to each other. Specifically, each of the coating / developing device 50 and the exposing device 90 is connected to a LAN cable 34, and a host computer 100 is connected to the LAN cable 34.
- LAN Local Area Network
- the host computer 100 is connected to a plurality of computers via the LAN.
- the operation control of the turn forming device 200 is performed.
- a processing start command is issued to each pattern forming apparatus 200 by designating a processing recipe as a processing condition for processing a wafer.
- FIG. 2 shows a schematic configuration of the wafer in each pattern forming apparatus 200 in order to explain the processing on the wafer.
- the pattern forming apparatus 200 includes a coating and developing apparatus 50 as a first processing apparatus for performing resist coating on the wafer W and development after exposure, and a resist coating apparatus on the wafer W. And an exposure device 90, which is a second processing device for exposing the object, and these are connected in-line.
- the coating / developing apparatus 50 includes a loading / unloading unit 6 for loading / unloading cassettes CS (four cassettes CS1 to CS4 in FIG. 1) of the storage containers each storing a plurality of wafers W to be processed. 0, a coating / developing unit 70 for applying a resist to the wafer W and developing after exposure, and an interface unit for transferring the wafer W between the coating image developing unit 70 and the exposure device 90. 8 0.
- the loading / unloading section 60 includes a transfer mechanism 61 for transferring the wafer W between the cassette CS and the coating and developing section 70.
- the coating / developing unit 70 performs two coating units 76 for applying a resist to a wafer, two developing units 77 for developing an exposed wafer, and performs hydrophobic treatment, heating treatment, cooling treatment, and the like. It has two processing unit towers 71 and 73 in which a plurality of processing units are vertically stacked. It is to be noted that a processing unit tower 75 indicated by a broken line can be provided. When the processing unit tower 75 is provided, the processing unit tower 75 can be freely moved along the guide rail 74.
- One coating unit 76 and one developing unit 77 are stacked in two layers with the coating unit 76 down, and the other coating units 76 are stacked. 6 and the other developing units 77 are also stacked in two stages.
- the coating / developing unit 70 includes a transport mechanism 72 for transporting the color.Around the transport mechanism 72, a coating unit 76, a developing unit 77, and a processing unit tower 71, 73 are arranged. I have.
- the transfer mechanism 72 transfers the wafer W to each of the processing units of the coating unit 76, the developing unit 77, and the processing unit towers 71 and 73.
- the transport mechanism 72 is configured to be movable up and down, movable back and forth, and rotatable about a vertical axis by a drive mechanism (not shown).
- the interface section 80 includes a peripheral exposure device 81 for exposing only the peripheral portion of the wafer W, a mounting section 83 for temporarily mounting the wafer W, and a transport mechanism 82 for transporting the wafer W. And The transport mechanism 82 transfers the wafer W to the mounting portion 83 and the peripheral exposure device 81, and transfers the wafer W to and from the coating image forming portion 70 and the exposure device 90.
- the mounting portion 83 is configured by stacking, for example, a holding shelf for puffer in two tiers.
- the exposure apparatus 90 includes a pre-processing stage 91 for mounting a wafer W before exposure, a vacuum chamber 95 for performing exposure, a light source 94 for exposure, and a post-processing for mounting the exposed wafer W.
- a stage 92 and a transfer arm 93 for transferring the wafer W between each of the stages 91 and 92 and the vacuum chamber 95 are provided.
- the transfer of the wafer W between the loading / unloading section 60 and the coating / developing section # 0, and the delivery of the wafer W between the coating / developing section 70 and the interface section 80 are performed by the processing unit tower 7. This is done via the transfer units provided at 1 and 73 respectively.
- C Inline processing of W is performed as follows.
- a plurality of cassettes CS accommodating a plurality of wafers W from the outside are arranged in the loading / unloading section 60, and the transport mechanism 61 sequentially takes out the wafers W from the cassettes CS.
- the wafer W is transferred to the delivery unit at the processing unit 71.
- the wafer W placed in the delivery unit is transferred by the transfer mechanism 72 to the hydrophobizing unit in the processing unit 71, where it is hydrophobized.
- the wafer W is transferred to the coating unit 76, where a resist solution is coated to form a resist film.
- the wafer W is pre-baked in the heating unit in the processing unit tower 71, then transferred to the delivery unit of the processing unit tower 73 by the transfer mechanism 72, and is transferred by the transfer mechanism 82. It is transported to the interface section 80.
- the wafer W sent to the interface unit 80 is temporarily stored in a holding shelf of the mounting unit 83, where it is set to the same temperature as the ambient temperature in the exposure apparatus 90, and then is transferred to the exposure apparatus 90. Sent.
- the wafer W After exposure by the exposure device 90, the wafer W is returned to the ink face portion 80 again, and after only the peripheral portion is exposed by the peripheral edge exposure device 81, if there is no space in the developing unit 77, Is temporarily stored in the receiver 83.
- the wafer W is transferred by the transfer mechanism 82 to the delivery unit in the processing unit tower 73, and is transferred by the transfer mechanism 72 to the heating unit in the processing unit tower 71 or 73. It is treated in a post-exposure bake and cooled by the cooling unit in the treatment unit — 71 or 73. After cooling, wafer W is developed in developing unit 77. Then as needed Bot bake processing is performed by the heating unit of the processing unit tower 71 or 73, and is cooled by the cooling unit. The post-wafer W is transferred to the delivery unit in the processing unit tower 71 by the transfer mechanism 72, and returned to the cassette CS of the loading / unloading section 60 by the transfer mechanism 61.
- the processing of the wafer W as described above is performed by a processing recipe that defines the type of the resist liquid applied in the coating and developing apparatus 50, the baking time, and the like (hereinafter, the processing recipe in the coating and developing apparatus 50 is particularly a coating and developing recipe). ).
- This processing recipe also exists separately in the exposure apparatus 90.
- the processing recipe for the exposure processing (hereinafter, the processing recipe in the exposure apparatus 90 is particularly referred to as an exposure recipe) is applied to the wafer W. Processing is performed.
- the types of the coating and developing recipe and the exposure recipe are determined for each wafer W.
- Information associated with these processing recipes is managed in the host computer 100 for each wafer W as attribute information of the wafer W.
- the attribute information of the wafer W includes processing condition correspondence information and information for specifying the cassette CS in which the wafer W is stored, that is, container name information and the like.
- the processing condition correspondence information is, for example, identification data associated with each processing recipe.
- the container name information is identification data associated with a cassette number or the like.
- FIG. 3 shows the coating and developing apparatus 50 constituting the pattern forming apparatus 200.
- FIG. 4 is a block diagram showing a partial internal configuration of an exposure apparatus 90.
- the coating / developing apparatus 50 as a processing apparatus includes a central processing unit 2 which performs overall internal control and serves as a key to operation control as hardware.
- An operation unit 10 operated by an operator, a non-volatile auxiliary storage unit 11, a main storage unit 12 for temporarily reading and writing information, and a coating / developing apparatus are provided in the central processing unit 2.
- a machine control unit 13 for controlling the operation of the mechanical operation part 50 and communication interfaces 15 and 16 for performing information communication are connected. Further, an input / output port 14 for carrying in / out a wafer is connected to the machine control unit 13.
- the central processing unit 2 includes a CPU 3 and an application-specific IC 4, and the IC 4 includes a processing command unit 6, a recipe selection unit 7, an update report unit 8, and a communication control unit 9. .
- the processing command unit 6 has a function of outputting a command to the coating and developing apparatus 50 based on a processing instruction from the host computer 100, for example, a processing start instruction or a wafer mouth switching instruction. ing.
- the recipe selection unit 7 has a function of selecting a corresponding processing recipe from a group of processing recipes stored in the auxiliary storage unit 11 based on the identification code sent from the host computer 100.
- This processing recipe group includes a plurality of types of coating and developing recipes each prepared as program software.
- the status report section 8 reports information such as a processing schedule, a processing status report, a processing result report, or failure information temporarily stored in the main storage section 12 to the host computer 100 and the exposure apparatus 90. It has the function to perform.
- the communication control unit 9 includes an exposure device via the communication interfaces 15 and 16. It has a function of controlling communication with the device 90 and the host computer 100.
- the exposure apparatus 90 forming an in-line apparatus together with the coating and developing apparatus 50 includes, as hardware, a central processing unit 21 that is essential for controlling the operation of the exposure apparatus 90.
- the central processing unit 21 has a nonvolatile auxiliary storage unit 28, a main storage unit 29 for temporarily reading and writing information, and an operation of a mechanical operation unit of the exposure apparatus 90.
- a communication interface 32, 33 for performing information communication.
- an input / output port 31 for carrying in / out a wafer is connected to the machine control unit 30.
- the central processing unit 21 includes a CPU 22 and an application-specific IC 23, and the IC 23 includes a processing command unit 24, a recipe selection unit 25, a status report unit 26, and a communication control unit. 2 7
- the processing command section 24 has a function of outputting a command to the exposure apparatus 90 based on a processing command from the host computer 100.
- the recipe selection section 25 has a function of selecting a corresponding processing recipe from a processing recipe group stored in the auxiliary storage section 28 based on the identification code sent from the host computer 100. .
- the processing recipe in the exposure apparatus 90 for example, the type of the reticle, the exposure time, and the exposure amount are determined.
- the status report unit 26 has a function of reporting information such as a processing status report and failure information temporarily stored in the main storage unit 29 to the host computer 100 and the coating and developing apparatus 50.
- the communication control unit 27 has a function of controlling communication with the coating and developing device 50 and the host computer 100 via the communication interfaces 32 and 33.
- the communication interface 15 of the coating and developing apparatus 50 and the communication interface 32 of the exposure apparatus 90 are connected by a 36-pin parallel cable P to form a communication path 35.
- the coating / developing apparatus 50 and the exposure apparatus 90 are connected to the LAN cable 34, respectively, but are connected via the communication interfaces 16 and 33, respectively, and the communication path 36 on the LAN. Is formed.
- the pattern forming apparatus 200 configured as described above operates as follows at the start of operation (when the power is ON).
- both the coating and developing apparatus 50 and the exposure apparatus 90 are turned on, both system softwares are activated, and the pattern forming apparatus enters a processing standby state as an in-line apparatus.
- the created processing schedule is transmitted from the main storage unit 12 to the host computer 100 by the status report unit 8.
- the host computer 100 designates a processing recipe in accordance with the processing schedule, and issues a processing start instruction to the coating and developing apparatus 50 and the exposing apparatus 90.
- the coating and developing apparatus 50 and the exposure apparatus 90 select a coating and developing recipe and an exposure recipe, respectively, according to the processing start command, and perform processing on the wafer W according to the processing recipe.
- the recipe selection unit 7 selects the corresponding coating current from the processing recipe group stored in the auxiliary storage unit 11. Choose a statue recipe.
- the selected coating / developing recipe is temporarily read into the main storage unit 12 where information can be written and read at high speed.
- the processing command unit 6 instructs the machine control unit 13 in accordance with the coating image recipe read into the main storage unit 12 in cooperation with the exposure apparatus 90, and the processing on the wafer W to be processed is executed.
- the recipe selection unit 25 selects a corresponding exposure recipe from the processing recipe group stored in the auxiliary storage unit 28. select.
- the selected exposure recipe is temporarily read into the main storage unit 29 where information can be written and read at high speed.
- the processing command unit 24 instructs the machine control unit 30 according to the exposure recipe in the main storage unit 29 in cooperation with the coating and developing apparatus 50, and the exposure process for the wafer W to be processed is executed. .
- the processing schedule is again set in the coating and developing apparatus 50.
- the updated processing schedule created is transmitted from the main storage unit 12 to the host computer 100 by the status report unit 8.
- the host computer 100 issues a processing start command to the coating and developing apparatus 50 and the exposing apparatus 90 according to the new processing schedule.
- the created processing schedule is once transmitted to the host computer 100.
- the host computer 100 issues a processing start command to the coating and developing apparatus 50 and the exposing apparatus 90 in accordance with the processing schedule.
- the wafer processing is not necessarily performed by the processing start instruction from the host computer 100 as described above. It is not necessary to perform the wafer processing, and the wafer processing may be performed according to the processing schedule according to the judgment of the pattern forming apparatus 200 itself. In this case, the processing schedule created by the coating and developing apparatus 50 need not be transmitted to the host computer 100, and the processing order between the coating and developing apparatus 50 and the exposing apparatus 90 is not necessary. Is confirmed, and the process starts.
- FIG. 4 shows a partial storage element of the auxiliary storage unit 11 of the coating and developing apparatus 50.
- the auxiliary storage unit 11 stores, in a processing recipe group 41 comprising a plurality of processing recipes, a processing schedule assembling program 40, and information on the time required for processing of each processing recipe in the processing recipe group 41 (required processing). At least a database 42 storing time information) is stored and retained.
- the processing schedule assembling program 40 includes a wafer attribute obtaining unit 40a, a cassette information obtaining unit 40b, a recipe information obtaining unit 40c, and a processing order determining unit 40d.
- the wafer attribute acquisition unit 40a has a function of acquiring attribute information of each wafer W stored in the cassette CS (CS1 to 4) mounted on the coating and developing apparatus 50.
- the wafers W stored in the cassettes CS have various combinations of the number of wafers contained in the cassettes and the processing recipes.
- the attribute information is associated with the wafer W, and the contents include information on the name of the container (cassette CS name) to be accommodated, processing recipe information (coating / development recipe, exposure recipe), and the like.
- An example of this attribute information data table 47 is shown in FIG.
- the wafer attribute acquisition unit 40a stores the attribute information of each wafer W stored in each cassette CS. The information is obtained from the host computer 100 via the LAN, and the data table 47 is created. When the coating / developing device 50 and the exposure device 90 transfer the wafer W between them, the identification information (W 1 to W 15) of the wafer W is provided to the other device.
- the cassette information acquisition section 40b has a function of acquiring information in the force set CS (CS1 to 4) placed on the coating and developing apparatus 50, that is, information in the container.
- the in-container information includes information on the number of wafers W in the cassette and the number of processing recipes for processing wafers W in the cassette. An example of 8 is shown.
- the cassette information acquisition unit 40b acquires the information in the container from the host computer 100 via the LAN, and creates this data table 48.
- the recipe information acquisition unit 40c transmits information on the time required for processing of the processing recipe (required processing time information) used in the coating and developing apparatus 50 as processing recipe information (processing condition information) from the database 42. get. Further, it directly communicates with the exposure apparatus 90 via a communication path 36 formed on the LAN to acquire processing recipe information (processing condition information) on the processing recipe used in the exposure apparatus 90. .
- the processing recipe information of the exposure apparatus 90 includes, for example, an exposure start time, information on a required processing time of the exposure recipe, an exposure end time, and processing unit information on the wattage.
- the recipe information acquisition unit 40c creates a data table 49, an example of which is shown in FIG. 8, from the acquired information.
- the processing order determination unit 40 d refers to the data tables 47, 48, and 49, performs the same processing recipe grouping, calculates the required processing time, and performs the most efficient processing for all wafers W. Determine order Function.
- PED (post exposure delay) time management refers to management in which, for example, when a chemically amplified resist is used in the processing in the pattern forming apparatus 200, the time from the end of the exposure processing to the start of the heating processing is kept constant.
- the processing order determination unit 40 d determines the exposure start / end times included in the processing recipe information of the exposure apparatus 90 and the interface unit 8 so that the optimum PED time management can be performed for each wafer W. It is preferable to determine the processing order in consideration of the time when 0 receives the wafer W from the exposure device 90 and the time when the heating unit in the processing unit 71 or 75 receives the wafer W.
- a standby time is provided during the transfer of the wafer W by the transfer mechanism 72 to control the standby time, and the processing order is determined by further considering the standby time.
- the coating / developing apparatus 50 needs to send the wafer W identification information (W 1 to W 15) and the exposure start / end time from the exposure apparatus 90. Need to get information.
- the coating / developing device 50 is controlled by the recipe information acquisition unit 40c or the like.
- the information obtained directly from the exposure apparatus 90 may be used.
- the coating / developing device 50 acquires the information as follows.
- the coating and developing apparatus 50 sets the exposure The identification information (W1 to W15) of the wafer W and the information of the start of exposure are received from the optical device 90.
- the coating and developing device 50 recognizes the timing of the exposure start by the clock (time) of the coating and developing device 50.
- the coating and developing apparatus 50 receives the identification information of the wafer W (W1 to W15) and the information of the end of the exposure from the exposure apparatus 90.
- the coating and developing device 50 recognizes the timing of the end of the exposure by the clock (time) of the coating and developing device 50.
- the coating / developing device 50 can obtain the information of the exposure start / end time, and Time management can be performed.
- FIG. 9 shows an execution flow of the processing schedule assembling program 40 executed in the coating and developing apparatus 50.
- the processing schedule assembling program 40 is started when both are in a processing standby state. Then, the wafer attribute acquisition unit 40a acquires attribute information of all wafers W in the cassettes CS (CS1 to CS4) from the host computer 100, and creates a data table 47 (step Sl). ).
- the cassette information acquiring unit 40b acquires the information in the container of the cassette CS (CS1 to CS4) from the host computer 100 and creates the data table 48 (step S2). .
- the recipe information obtaining unit 40 c obtains required processing time information and the like of the coating and developing recipe to be used from the database 42, and requests the exposure apparatus 90 for information on the exposure recipe which is the processing recipe information.
- a command is issued to obtain information specific to the exposure apparatus, and a data table 49 is created from the information (step S3).
- the processing order determination unit 40 d refers to the data tables 47, 48, and 49, performs grouping of the same processing recipes, calculates the required processing time, and the like, and thereby achieves the most efficient processing for all the powers.
- the general processing order is determined (step S4).
- steps S1 to S3 may be interchanged, or may be performed in parallel.
- the wafer By issuing a processing instruction to the coating and developing apparatus 50 and the exposing apparatus 90 in accordance with the processing schedule, the wafer can be efficiently processed as an inline apparatus.
- Such a processing schedule is assembled in each of the plurality of in-line devices, and the host computer 100 issues a processing instruction to each in-line device according to the processing schedules, thereby improving the efficiency of the entire system. Wafer processing becomes possible.
- the auxiliary storage unit 11 in the coating and developing apparatus 50 is a single nonvolatile storage unit.
- the auxiliary storage unit 11 may be divided into a plurality of storage units.
- a method including a step based on the processing schedule assembly program 40 stored in the auxiliary storage unit 11 may be realized by hardware.
- the inline apparatus is not limited to the coating and developing apparatus and the exposure apparatus, and the control method of the present invention can be applied to other apparatuses as long as they are inline apparatuses.
- FIG. 10 shows a connection between the pattern forming apparatus, the host computer, and the simulator in a processing system including a plurality of pattern forming apparatuses (in-line apparatuses), a host computer, and a simulator to which the present embodiment is applied. It is a block diagram which shows a relationship.
- FIG. 10 shows a configuration in which a simulator 37 as simulation means is added to the configuration shown in the first embodiment.
- the simulator 37 is connected to the LAN cable 34, and its operation is controlled from the host computer 100 via a communication path on the LAN.
- the simulator 37 has a function of simulating the operation of an in-line device composed of a coating and developing device 50 and an exposure device 90. Therefore, by setting information on the processing recipe and parameters such as the number of processed wafers in the simulator 37 before the actual processing, the time required for processing all the wafers W can be obtained.
- FIG. 11 is a block diagram showing a partial internal configuration of a host computer 100 that controls the simulator 37 and all the pattern forming apparatuses 200.
- the host computer 100 includes, as hardware, a host computer; a central processing unit 103 that performs overall control of the inside of the I00 and is a key to operation control.
- the central processing unit 103 has an operation unit 110 operated by the operator. 8, a non-volatile auxiliary storage unit 101, a main storage unit 102 for temporarily reading and writing information, and a communication interface 107 for performing information communication. I have.
- the central processing unit 103 includes a CPU 104, a processing command unit 105, and a communication control unit 106.
- the processing command unit 105 controls the inside of the host computer 100 in accordance with the instruction of the operation and the like input from the operation unit 108, and issues a processing command to the pattern forming apparatus 200 via the LAN. It has the function of performing
- the communication control unit 106 has a function of controlling communication with the pattern forming device 200 and the simulator 37 via the communication interface 107.
- FIG. 12 shows a partial storage element of the auxiliary storage unit 101.
- the auxiliary storage unit 101 stores at least a condition setting program 101 a and a simulation instruction unit 101 b in a pathological manner.
- the condition setting program 101a includes a wafer attribute acquisition unit 102a, a recipe information acquisition unit 102b, and a priority condition acquisition unit 102c.
- the wafer attribute acquisition unit 102a has a function of acquiring wafer attribute information input from the operation unit 108 by the operator.
- This wafer attribute information is processing recipe information (coating / development recipe, exposure recipe) for all wafers to be processed.
- An example of the data table 110 of this wafer attribute information is shown in FIG.
- the wafer attribute acquisition unit 102a is configured to create the data table 110 from the acquired attribute information.
- the recipe information acquisition unit 102 b is provided with the coating and developing device 50 and the The optical device 90 is provided with a function for acquiring processing recipe information such as required processing time information on a processing recipe in the optical device 90 by communication with each device or input from the operation unit 108.
- FIG. 1 shows an example of the data table 1 1 1 of the processing recipe information.
- the recipe information acquisition unit 102b is configured to create the data table i1i from the acquired processing recipe information.
- the priority condition acquisition unit 102c acquires a priority processing condition for processing the wafer W by input from the operation unit 108.
- the priority processing conditions include conditions for giving priority to the processing of the coating and developing apparatus 50, conditions for giving priority to the processing of the exposure apparatus 90, and conditions for giving priority to the processing of the entire pattern forming apparatus 200. For example, when the operator selects a condition that gives priority to the processing of the coating and developing apparatus 50, the processing order is determined in the simulation by the simulator 37 so that the switching of the processing recipe in the coating and developing apparatus 50 is small. An example of the data table 112 under this priority processing condition is shown in FIG.
- the priority condition acquisition unit 102c is configured to create the data table 112 from the information of the acquired priority processing conditions.
- the simulation instruction unit 101b sends a simulation execution instruction to the simulation unit 37 using the data tables as simulation conditions. It has a function to send.
- the execution of the condition setting program 101a will be described based on the execution flow shown in FIG.
- the condition setting program 101a is executed before the wafer W to be processed is accommodated in the cassette CS.
- the wafer attribute acquisition unit 1 0 2 a acquires the attribute information on all wafers W input from the operation unit 108 by the operator, and creates a data table 110 (step S 11).
- the recipe information acquisition unit 102 b transmits processing recipe information, such as required processing time information on processing recipes in the coating and developing apparatus 50 and the exposure apparatus 90, to communication with the respective apparatuses or to the operating unit 1. Obtained by input from 08. Then, a data table 111 is created from the acquired information (step S12).
- the priority condition acquisition unit 102c acquires priority processing conditions for processing the wafer W by input from the operation unit 108 by the operator. Then, a data table 112 is created from the acquired information (step S13).
- steps S11 to S13 may be interchanged or may be performed in parallel.
- the data tables 110, 111, and 112 are created by the condition setting program 101a.
- the simulation instruction section 101b executes the simulation to the simulator 37 with these data tables 110, 111, and 112 as the simulation conditions. Send instructions.
- the simulator 37 refers to the data tables 110, 111, and 112, performs grouping of the same processing recipe, executes a plurality of types of simulations, and calculates the processing time required for processing all wafers. It is calculated (step S14). This information is sent to the host computer 100 and, taking into account the priority conditions, the most efficient processing sequence to complete all wafer processing by the host computer 100. Is determined and output as a processing schedule (step S15). According to this processing schedule, the wafer W to be processed is accommodated in each cassette CS by an operation or the like, and is mounted on the coating and developing apparatus 50.
- the host computer 100 issues processing instructions to the coating and developing apparatus 50 and the exposing apparatus 90 according to the processing schedule.
- the host computer 100 acquires information on the processing recipes (coating current recipe and exposure recipe) of all wafers before being accommodated in the cassette, By performing a simulation using 37, it is possible to determine and control the order in which the wafers can be processed most efficiently as a whole in-line apparatus.
- the operator etc. stores wafers W in the cassette CS according to the processing schedule output by the simulator 37, thereby preventing a situation in which wafers W of the same processing recipe are stored alternately in the cassette. Can be. Thereby, the load on the control system in the coating and developing apparatus 50 can be reduced, and the processing efficiency can be improved.
- the auxiliary storage unit 101 in the host computer 100 is a single non-volatile storage unit, but this may be divided into a plurality of non-volatile storage units. Further, a method including steps by the condition setting program 101a and the simulation instruction unit 10lb stored in the auxiliary storage unit 101 may be realized by hardware.
- the inline apparatus is not limited to the coating and developing apparatus and the exposure apparatus, and the control method of the present invention can be applied to other apparatuses as long as they are inline apparatuses.
- the present invention is not limited to the above embodiment, and various modifications are possible.
- the substrate is not limited to a semiconductor wafer, and can be widely applied to the transport processing of general substrates such as a photomask substrate and a liquid crystal display substrate.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Epidemiology (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/555,641 US7449349B2 (en) | 2003-05-08 | 2004-04-28 | Processing schedule creating method, coating and developing apparatus, pattern forming apparatus and processing system |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-129860 | 2003-05-08 | ||
| JP2003129860A JP2004335750A (ja) | 2003-05-08 | 2003-05-08 | 処理スケジュール作成方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004100234A1 true WO2004100234A1 (ja) | 2004-11-18 |
Family
ID=33432090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/006196 Ceased WO2004100234A1 (ja) | 2003-05-08 | 2004-04-28 | 処理スケジュール作成方法、塗布現像装置、パターン形成装置、処理システム |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7449349B2 (ja) |
| JP (1) | JP2004335750A (ja) |
| WO (1) | WO2004100234A1 (ja) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4414921B2 (ja) * | 2005-03-23 | 2010-02-17 | 東京エレクトロン株式会社 | 塗布、現像装置及び塗布、現像方法 |
| WO2007108370A1 (ja) * | 2006-03-22 | 2007-09-27 | Hitachi Kokusai Electric Inc. | 基板処理装置 |
| KR100835276B1 (ko) * | 2006-10-23 | 2008-06-05 | 삼성전자주식회사 | 반도체 장비 제어 시스템 및 제어 방법 |
| JP5132920B2 (ja) * | 2006-11-22 | 2013-01-30 | 東京エレクトロン株式会社 | 塗布・現像装置および基板搬送方法、ならびにコンピュータプログラム |
| US7525646B1 (en) * | 2008-03-27 | 2009-04-28 | International Business Machines Corporation | Multiple pattern generator integration with single post expose bake station |
| US8655472B2 (en) * | 2010-01-12 | 2014-02-18 | Ebara Corporation | Scheduler, substrate processing apparatus, and method of transferring substrates in substrate processing apparatus |
| JP5852908B2 (ja) | 2011-09-16 | 2016-02-03 | 株式会社Screenホールディングス | 基板処理装置のためのスケジュール作成方法およびスケジュール作成プログラム |
| JP6094148B2 (ja) * | 2012-10-29 | 2017-03-15 | 東京エレクトロン株式会社 | 基板処理装置 |
| JP6079510B2 (ja) * | 2013-08-30 | 2017-02-15 | 東京エレクトロン株式会社 | 基板処理システム、基板処理方法及び記憶媒体 |
| JP2015167168A (ja) * | 2014-03-03 | 2015-09-24 | キヤノン株式会社 | 決定方法、露光装置、露光システム、物品の製造方法、およびプログラム |
| JP6481977B2 (ja) * | 2015-01-26 | 2019-03-13 | 株式会社Screenホールディングス | 基板処理方法および基板処理装置 |
| WO2017198478A1 (en) * | 2016-05-19 | 2017-11-23 | Asml Netherlands B.V. | Method of sequencing lots for a lithographic apparatus |
| JP6320457B2 (ja) * | 2016-05-31 | 2018-05-09 | キヤノン株式会社 | 基板処理装置、基板処理方法、プログラム、及び物品製造方法 |
| JP6745673B2 (ja) * | 2016-08-05 | 2020-08-26 | 東京エレクトロン株式会社 | 半導体システム |
| US11437254B2 (en) * | 2020-06-24 | 2022-09-06 | Applied Materials, Inc. | Sequencer time leaping execution |
| JP7157786B2 (ja) * | 2020-09-23 | 2022-10-20 | 株式会社Screenホールディングス | 基板処理装置および基板処理方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06203042A (ja) * | 1993-01-05 | 1994-07-22 | Nippon Telegr & Teleph Corp <Ntt> | 生産ライン計画作成方法 |
| JP2002023823A (ja) * | 2000-07-12 | 2002-01-25 | Mitsubishi Electric Corp | 生産管理システム |
| JP2002100549A (ja) * | 1993-07-15 | 2002-04-05 | Hitachi Ltd | 半導体装置の製造システム |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4684863A (en) * | 1985-04-03 | 1987-08-04 | Thermco Systems, Inc. | Semiconductor wafer boat loader control system |
| JP2982039B2 (ja) | 1994-04-01 | 1999-11-22 | 東京エレクトロン株式会社 | 処理方法及びその処理装置 |
| US6201999B1 (en) * | 1997-06-09 | 2001-03-13 | Applied Materials, Inc. | Method and apparatus for automatically generating schedules for wafer processing within a multichamber semiconductor wafer processing tool |
| US6387184B1 (en) * | 1998-01-09 | 2002-05-14 | Fastar, Ltd. | System and method for interchangeably interfacing wet components with a coating apparatus |
| JP3792986B2 (ja) * | 2000-04-11 | 2006-07-05 | 東京エレクトロン株式会社 | 膜形成方法及び膜形成装置 |
| JP2001351848A (ja) | 2000-06-07 | 2001-12-21 | Tokyo Electron Ltd | 基板処理システム及び基板処理方法 |
| US6756243B2 (en) * | 2001-10-30 | 2004-06-29 | Advanced Micro Devices, Inc. | Method and apparatus for cascade control using integrated metrology |
| US6640148B1 (en) * | 2002-06-03 | 2003-10-28 | Advanced Micro Devices, Inc. | Method and apparatus for scheduled controller execution based upon impending lot arrival at a processing tool in an APC framework |
-
2003
- 2003-05-08 JP JP2003129860A patent/JP2004335750A/ja active Pending
-
2004
- 2004-04-28 WO PCT/JP2004/006196 patent/WO2004100234A1/ja not_active Ceased
- 2004-04-28 US US10/555,641 patent/US7449349B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06203042A (ja) * | 1993-01-05 | 1994-07-22 | Nippon Telegr & Teleph Corp <Ntt> | 生産ライン計画作成方法 |
| JP2002100549A (ja) * | 1993-07-15 | 2002-04-05 | Hitachi Ltd | 半導体装置の製造システム |
| JP2002023823A (ja) * | 2000-07-12 | 2002-01-25 | Mitsubishi Electric Corp | 生産管理システム |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2004335750A (ja) | 2004-11-25 |
| US7449349B2 (en) | 2008-11-11 |
| US20070004052A1 (en) | 2007-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2004100234A1 (ja) | 処理スケジュール作成方法、塗布現像装置、パターン形成装置、処理システム | |
| US8236132B2 (en) | Substrate processing system and substrate transfer method | |
| WO2004090972A1 (ja) | 基板処理システムおよびその制御方法、制御プログラム、記憶媒体 | |
| WO1997047032A1 (fr) | Controleur de poste de traitement | |
| KR20100129211A (ko) | 기판 처리 장치, 기판 처리 방법 및 기억 매체 | |
| CN101473416A (zh) | 衬底处理系统以及衬底搬送方法 | |
| CN105474356A (zh) | 基板处理装置、基板处理方法以及基板处理系统 | |
| US7191033B2 (en) | Substrate processing apparatus and substrate processing method | |
| CN100485533C (zh) | 基板处理系统和基板处理方法 | |
| JP6003859B2 (ja) | 塗布、現像装置、塗布、現像方法及び記憶媒体 | |
| JP6773497B2 (ja) | 基板処理管理装置、基板処理管理方法および基板処理管理プログラム | |
| JP4496073B2 (ja) | 基板処理装置及び基板処理方法 | |
| JP3892553B2 (ja) | 基板処理装置 | |
| US7167769B2 (en) | Inline connection setting method and device and substrate processing devices and substrate processing system | |
| JPH03293712A (ja) | 半導体ウェーハの処理装置 | |
| JP2022029637A (ja) | 基板処理装置及び搬送スケジュール作成方法 | |
| JP2982039B2 (ja) | 処理方法及びその処理装置 | |
| JP4606159B2 (ja) | 基板処理装置、基板処理方法、コンピュータプログラム及び記憶媒体 | |
| JP2000133577A (ja) | 露光システム | |
| EP1737022A1 (en) | Substrate processing system and substrate processing method | |
| JP7316959B2 (ja) | 半導体製造装置及びウェーハ搬送方法 | |
| JP3772011B2 (ja) | 基板処理装置 | |
| JP2003100587A (ja) | 基板処理システム | |
| JP2003045776A (ja) | 基板処理装置 | |
| JPH11186365A (ja) | 基板処理装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
| AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
| WWE | Wipo information: entry into national phase |
Ref document number: 2007004052 Country of ref document: US Ref document number: 10555641 Country of ref document: US |
|
| DPEN | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed from 20040101) | ||
| 122 | Ep: pct application non-entry in european phase | ||
| WWP | Wipo information: published in national office |
Ref document number: 10555641 Country of ref document: US |