WO2000063953A1 - Procede de production d'un dispositif a semi-conducteur et sa ligne de production - Google Patents
Procede de production d'un dispositif a semi-conducteur et sa ligne de production Download PDFInfo
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- WO2000063953A1 WO2000063953A1 PCT/JP2000/002351 JP0002351W WO0063953A1 WO 2000063953 A1 WO2000063953 A1 WO 2000063953A1 JP 0002351 W JP0002351 W JP 0002351W WO 0063953 A1 WO0063953 A1 WO 0063953A1
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 166
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 156
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Classifications
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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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67207—Apparatus for manufacturing or treating in a plurality of work-stations comprising a chamber adapted to a particular process
- H01L21/67225—Apparatus for manufacturing or treating in a plurality of work-stations comprising a chamber adapted to a particular process comprising at least one lithography chamber
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/54—Apparatus specially adapted for continuous coating
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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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/0405—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising semiconducting carbon, e.g. diamond, diamond-like carbon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67161—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the layout of the process chambers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67155—Apparatus for manufacturing or treating in a plurality of work-stations
- H01L21/67161—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the layout of the process chambers
- H01L21/67173—Apparatus for manufacturing or treating in a plurality of work-stations characterized by the layout of the process chambers in-line arrangement
Definitions
- the present invention mainly uses a minimum processing dimension of a constituent part formed on a semiconductor substrate by using a process apparatus for performing film deposition and etching which realizes the following.
- the present invention relates to a semiconductor device manufacturing method and a manufacturing line for manufacturing a semiconductor integrated circuit on a semiconductor device with high cost efficiency.
- an integrated circuit having a minimum processing dimension of 0.3 / m or less of a component formed on a semiconductor substrate is formed on a semiconductor wafer at a low cost, and the process is changed.
- An object of the present invention is to provide a method of manufacturing a semiconductor device and a manufacturing line capable of easily and flexibly coping with a plurality of wafer sizes.
- the present invention relates to a method for manufacturing a semiconductor device including a processing step in which a minimum processing dimension of a component formed on a semiconductor substrate to achieve the above-mentioned object is 0.3 ⁇ m or less.
- a method for manufacturing a semiconductor device using a semiconductor wafer having a diameter of 6 inches (150 ⁇ 3 mm: SEAJ standard) on the semiconductor substrate is provided.
- a semiconductor device manufacturing line for performing a series of processes on a semiconductor substrate to form an integrated circuit on the semiconductor substrate, wherein the manufacturing line has two sub-lines having the same specifications;
- Each of the sub-lines is composed of a series of processing apparatuses including a film forming apparatus, a pattern exposure apparatus, an etching apparatus and a test apparatus, and at least one pattern exposure apparatus.
- fine processing of 0.3 ⁇ m or less is possible.
- the semiconductor substrate being processed is transported between the two sub-lines alternately. Provide a production line with means.
- a method for manufacturing a semiconductor device including a processing step in which a minimum processing size of a component formed on a semiconductor substrate is 0.3 ⁇ or less, a method for manufacturing a semiconductor device in which a Use conductor wafers to reduce costs and increase yields.
- processing equipment or processing chambers located on the manufacturing line Plug-in connection to the transfer system for detachable connection, making it easy to replace, add, or remove processing equipment, and arbitrarily connect the transfer system with a circular connection or pass line. This is a production line that can be used in parallel to replace the dual-purpose processing equipment in the production line.
- Table 1 shows the relative relationship between the investment amount and the memory capacity for each wafer caliber, and Fig. 11 is a graph of this.
- the investment amount for an integrated line of 8 (inch) /0.25 ⁇ m (64 MDRAM) is defined as “1” (relative value), and the amount of memory for each wafer diameter is It shows the relationship between investment amounts.
- Table 2 shows the relationship between the wafer diameter (the area of the integrated circuit formation area) and the yield of the semiconductor device, and FIG. 12 is a graph of the relationship. is there.
- the yield (the number of chips that can be harvested from a single wafer at a yield of 100%) is determined by the wafer diameter. It is proportional, and it is assumed that the following number of production lines will be required to produce the same quantity.
- Table 3j shows the relationship between the relative investment value and the relative yield value for each wafer caliber, and Figure 13 is a graph of it.
- the yield per wafer is large, the yield is high. Can be significantly reduced. Even in this case, the yield of a small-diameter wafer having a small yield per wafer is less affected by the yield.
- FIG. 1 is a view showing a conceptual configuration example of a semiconductor manufacturing apparatus used for a method of manufacturing a semiconductor device according to a first embodiment of the present invention.
- FIG. 2 is a diagram illustrating a conceptual configuration of a resist processing / exposure apparatus using a photolithography technique used in the method of manufacturing a semiconductor device according to the first embodiment. .
- FIG. 3 is a diagram illustrating a conceptual configuration of an inspection apparatus used in the semiconductor manufacturing method according to the first embodiment.
- FIG. 4 is a diagram showing a conceptual configuration example of a manufacturing line (sub line) according to the second embodiment.
- FIG. 5 is a diagram for explaining a plug-in configuration according to the second embodiment.
- FIG. 6 is a diagram showing a conceptual configuration example of a manufacturing line according to the third embodiment.
- FIG. 7 is a diagram for describing a plug configuration according to the third embodiment.
- FIG. 8 is a diagram showing a conceptual configuration example of a manufacturing line having two independent sub-lines configured as a plug-in according to the fourth embodiment.
- FIG. 9 is a diagram showing a conceptual configuration example of a manufacturing line having two interconnected sub-lines according to the fifth embodiment.
- FIG. 10 is a diagram for describing a plug-in configuration according to the fifth embodiment.
- Figure 11 shows the relative relationship between the investment amount and the memory capacity in the wafer diameter.
- FIG. 12 is a diagram showing the relationship between the wafer diameter (the area of the integrated circuit formation region) and the yield of the semiconductor device.
- Figure 13 shows the relationship between the relative investment value and the relative yield value for each wafer diameter.
- Figure 14 shows the relationship between the relative value of the investment amount and the production amount (yield) for each wafer size.
- FIG. 1 shows and describes a conceptual configuration example of a semiconductor manufacturing apparatus used in the method of manufacturing a semiconductor device according to the present invention.
- the semiconductor manufacturing apparatus used in this embodiment is capable of processing a small processing dimension of 0.3 m or less in a processing step, and is applicable to a semiconductor substrate (wafer) having a wafer diameter of 6 inches or less. This device performs the process processing described later.
- a carrier cassette 2 capable of storing a wafer 3 is loaded around a control unit 1 for controlling the entire device, and a plurality of wafers are loaded.
- Loader 4 and unloader 5 for loading and unloading wafer 3 in leaf type, and an alignment mechanism 5 for aligning wafer 3
- a process chamber that has an inlet chamber 6, an exhaust system 7 and a transfer mechanism 8, and an outlet system 9, 10, and an exhaust system 11, and performs predetermined processing of the wafer 3.
- processed eno, and temporary storage 3 and the eno between the chambers It is composed of transfer mechanisms 15 and 16 having arms 14 and the like that are driven in the X—Y—Z—0 directions.
- the control unit 1 also includes a power supply for supplying power.
- the above-mentioned wind 3 is to be transported in the direction of the arrow shown in the figure.
- the wafer process performed by the process chamber 12 includes a thin film forming process, an etching process, an impurity introducing process, and a metal film forming process.
- the thin film formation processing includes heat treatment such as atmospheric pressure CVD (Chemica 1 Vapor deposition), reduced pressure CVD, diffusion furnace, RPT (R appid Thermal Processing), plasma CVD or aniline.
- a processing mechanism that performs one of the rule processing is provided.
- etching process a processing mechanism for performing any one of Po 1 y—S ⁇ etching, oxide film etching, and metallurgical etching is provided.
- impurity implantation process a processing mechanism for performing either an ion implantation process or a thermal diffusion process is provided.
- the metal film forming process a processing mechanism for performing any one of thermal CVD, plasma CVD, snow-cutting (PVD) or heat treatment is provided. Let's do it.
- a loader 4 is loaded with a carrier cassette 2 containing a plurality of wafers 3, and an unloader 5 is loaded with an empty carrier. Load the account 2.
- the transport mechanism 14 takes out the memos 3 from the carry account 2 of the loader 4, and the alignment mechanism 5 in the alignment channel 6
- the wafer 3 is positioned so that it can be set at a predetermined position of a processing mechanism (not shown) in the process chamber 12.
- the aligned wafer 3 is carried into the mouth-drawing channel 9.
- the load channel 9 is depressurized by the exhaust system 7 to a pressure equivalent to that of the process chamber 12, and is then depressurized by the transfer mechanism 8 provided in the chamber. 3 is passed to the processing mechanism in process chamber 1 2.
- the wafer 3 processed by the process chamber 12 passes through the low-lock channel 10 and is temporarily stored in the low-channel channel 13. If a predetermined number or the number of carriers stored in the carrier 13 are stored in the buffer chamber 13, these wheels 3 are transferred to the transport mechanism 14. More loaded in unloader 5. Stored in the empty carrier cassette 2.
- FIG. 2 shows a register process by a photolithography technique used in the method of manufacturing a semiconductor device according to the present embodiment.
- the conceptual configuration of the exposure apparatus is shown and described.
- the exposure apparatus of this embodiment can form a pattern with a line width of 0.3 ⁇ m or less on a semiconductor substrate (wafer) having a wafer diameter of 6 inches or less. This is a device that performs the process processing described later.
- the entire control of the resist processing / exposure apparatus is performed by a control unit 21.
- a carrier cassette 2 capable of storing uno and 3 is loaded, and a single-wafer processing is performed.
- An exposure chamber having a pattern exposure chamber 28 for performing exposure as a light source, and a transport mechanism 29 for loading and unloading the baked wafer 3 to and from the pattern exposure chamber 28.
- Developing while rotating the interface surfaces 30 and 31 and the exposed wafer 3 A transport mechanism that transports the wafer between each of the chambers except for the developing chamber 32 and the pattern exposure chamber 28, which forms a mask pattern by pin-developer processing. 33, 3 and 4.
- control unit 21 is connected only to the pattern exposure chamber 28 to control the entire components.
- this is only a conceptual illustration, and when actually configuring this device, a control unit is provided in each chamber, and these control units are integrated. It may be designed to provide a host-like control unit that sends an appropriate instruction.
- a carrier cassette 2 containing a plurality of wafers 3 is loaded into a loader 22, and a resist coating chamber is loaded by a transport mechanism 33. Carry in the chamber 24 and apply the resist to the wafer 3. Thereafter, the wafer 3 applied with the resist force by the transport mechanism 33 is placed on a hot plate (not shown) in the heat treatment chamber 25, and the wafer 3 is placed on the wafer 3. Perform pre-printing treatment before exposure.
- the wafer 3 that has been subjected to the base-king process by the transport mechanism of the exposure chamber interface 29 is released.
- the wafer is placed on a wafer stage (not shown) in the turn exposure chamber 28, and alignment is performed using alignment marks, followed by exposure.
- the exposed uno, 3 passes through an exposure chamber interface 31 and is transferred to a hot plate (not shown) in the heat treatment chamber 26 by a transport mechanism 34. Place and perform baking before development.
- the wafer is carried into the developing chamber 32, and the exposed wafer 3 is developed while rotating to form a mask pattern.
- a boost baking treatment is performed in the heat treatment chamber 27.
- the wafer 3 that has been subjected to the heat treatment is stored in an empty carrier cassette loaded in the unloader 23 by the transfer mechanism 34.
- FIG. 3 shows a state used in the semiconductor manufacturing method of the present embodiment. It shows and describes the conceptual configuration of an inspection device that performs optical or electrical inspection.
- the shape of a resist pattern or wiring formed in a chamber with a minimum processing dimension of 0.3 ⁇ m or less on a wafer with a wafer size of 6 inches or less is formed in the chamber.
- Performs optical inspection mechanisms consisting of microscopes and electron microscopes for optical inspection, testing mechanisms for inspecting electrical characteristics of circuit patterns (wiring and electrodes), integrated circuit elements, etc., and burn-in inspection.
- One of the aging mechanisms is provided.
- the entire control of this inspection apparatus is performed by a control unit 41, and a carry cassette 2 capable of storing a wafer 3 is loaded thereinto, and the wafer 3 is loaded in a single-wafer manner.
- a loader-unloader 42 that can be carried out and an alignment chamber 4 that has an alignment mechanism 43 that performs alignment for inspection of the wings and 3 4, an inspection chamber 45 for accommodating the inspection mechanism for performing the various inspections described above, a stage 46 for driving in the X—Y—Z—0 direction, and a stylus for a wafer electrode.
- a probe (not shown) for making an electrical connection by contacting the light source and a light source and a detection unit (not shown) for performing an optical inspection are arranged, and a wafer is provided between the chambers.
- a stage chamber 48 on which a transport mechanism 47 for transporting C3 is disposed. In the inspection chamber 45 and the stage chamber 48, an optical or electrical inspection is performed.
- control unit 41 is connected only to the inspection chamber 45 to control the entire components, but this is a conceptual illustration. Actually configure this device. In such a case, a control unit may be provided in each chamber, and a design may be made such that a host-like control unit that sends general instructions to these control units is provided.
- the semiconductor wafer to be processed by the semiconductor manufacturing apparatus, the register processing / exposure apparatus, and the inspection apparatus (hereinafter, referred to as a processing apparatus) in the first embodiment described above.
- the size may be 6 inches or less, for example, 2, 3, 4, 5, or 6 inches.
- microfabrication in which the gate length of the wiring patterns and circuit elements formed on the wafer, for example, the gate electrodes of transistors, is 0.3 m or less. Apply.
- a transfer system corresponding to a wafer of one size of 6 inches or less of wafers is arranged, and the process chamber is used for processes such as film formation and etching. It can be selected and configured according to the production process.
- FIG. 4 shows, as a second embodiment, a conceptual configuration of a manufacturing line (sub line) using the above-described processing apparatus, and explains it.
- This manufacturing line includes the thin film forming apparatus 51, the resist processing apparatus 52, the pattern exposure apparatus 53, the etching apparatus 54, the metal film forming apparatus 55, the impurity introducing apparatus described above. 5, the inspection device 57, the loader Z unloader 58, and the cassette station 59 are connected to one transport system 60 to form a plug-in configuration.
- Configuration This is a configuration example of a manufacturing line provided with a control unit 61 for controlling the entire apparatus.
- the plug-in configuration here refers to a configuration in which each device is connected to the transport system 60 so that it can be easily attached and detached. Say . In a preferred mode, the interface of the connecting portion between the apparatus and the transport system is unified, and the arrangement of the apparatus can be very easily changed.
- the wafer size is processed for the same wafer, and in response to a change in the process, a change in the product type, or a change in the production amount,
- the number of processing units is minimized so that processing units can be added or deleted, and at least one processing unit is connected to the transport system 60 for each process in a detachable and independent state. Have been.
- each processing device is independent of the transport system 60, and can be freely inserted into and removed from the line. .
- the thin film forming device 62 or the etching device 63 can be added for each device. You. In addition to adding a processing unit, it is possible to add or delete each line unit.
- the loader Z-loader of each processing apparatus is configured to correspond to only the same wafer size, and the transport mode is a single-wafer type.
- the wafer is transported in units of the number of carry cassettes or in the number of set lots.
- the transport type is not limited to the single-wafer type, and there is no problem even if a cassette transport method is used in which the transport is performed for each carry account.
- Each processing device does not have to be connected to the transport system 60. If the loader Z unloader of the processing unit is located at a position accessible by the transfer mechanism of the transfer system 60 Good.
- the plug-in configuration can be realized by using a common loader / unloader even if the processing units originally have different specifications, so that the existing processing units can be used. And build a production line.
- FIG. 6 shows, as a third embodiment, a modified example of a manufacturing line having a plug-in configuration.
- the manufacturing line is configured for each processing apparatus, in the present embodiment, the manufacturing line is configured to be connected to a transport system for each chamber and configured as a plug-in.
- Existing equipment can be used for the plug-in for each processing unit, but each requires a load-in port, which only requires an increase in equipment area or unifies control relationships. There are also difficult points.
- various processing chambers are connected to a unified or equivalent transport system.
- a block is configured for each of the various process steps, and the pre-processing block 71, the register, and the like.
- Turn forming block 72, thin film forming block 73, and inspection block 74, which are further divided into a wafer and supply / collection block for supplying and recovering wafers 7 5 are arranged.
- the pretreatment block 71 is used to perform a heat treatment such as RTP or a cleaning treatment for removing unnecessary substances such as a natural oxide film formed on the wafer from the surface. is there.
- a heat treatment such as RTP
- a cleaning treatment for removing unnecessary substances such as a natural oxide film formed on the wafer from the surface. is there.
- a process chamber for example, a process chamber
- the wake / supply / recovery block 75 is composed of a loader / unloader 79 and a cassette station 80. Connected to.
- the register notch forming block 72 is used for forming a circuit pattern and a circuit element on the wafer by using a photolithography technique. It forms a tone pattern, and is composed of a resist processing section and a pattern exposure section.
- the resist processing section includes a resist coating chamber 81, which can be a spin coater or the like, a heat treatment chamber 82 for baking, and a development processing chamber. 8 3 and are connected to the transport system 8 4 and configured.
- an exposure chamber 85 and a transfer chamber 86 for temporarily storing the wafer are connected to a transport system 87.
- a transport system 84 and a transport system 87 are connected to the register processing unit and the pattern exposure unit via a buffer chamber 86.
- the thin film forming block 73 has, for example, four process chambers 88 to 91 connected to transfer systems 92 and 93 and gate valves respectively.
- the transfer system 93 and the transfer system 94 are connected via a knife chamber 100, and the gate valves 98, 99 are also connected to the other end. Via this, the notch chambers 101 and 102, which also function as load lock chambers, are connected.
- the above-mentioned nozzle 1101 is connected to a transfer system 84 via a gate valve 103 so that the wafer can be delivered and received.
- a gate valve 104 is connected through a gate valve 104 to a cassette mechanism 106 of an inspection block 74 described later.
- an exhaust system is connected to each of these chambers and the transfer system, so that evacuation can be performed. With this configuration, the knock chamber and the transfer system can be maintained in a vacuum state.
- cassettes 106 and 107 are connected to both ends of the transport system 105.
- an inspection unit composed of a stage chamber 108 and an inspection chamber 109 is connected to the transfer system 105 so as to be connected.
- the cassette 106 is connected to the gate 86 through the gate vane lev 104, and the cassette is connected to the cassette 86.
- the buffer 107 is connected to the buffer 102. Further, a control unit 110 for controlling the whole is provided.
- this system is configured so that at least one processing unit is connected to the first transfer unit, and another processing unit is connected to the first transfer unit, and the system is orthogonal to the first transfer unit.
- a second transporting means connected to the second transporting means, and a third transporting means connected orthogonally to the second transporting means while another processing apparatus is connected thereto; and And a fourth transporting means connected orthogonally to the first transporting means and the third transporting means.
- this plug-in manufacturing line can be used, for example, to add process chambers 11 1 and 11 2 in response to changes in process steps and changes in manufacturing types. It can be done easily. That is, replace, add, or remove per chamber It is possible to easily respond to changes in production varieties and fluctuations in production volume. Of course, the replacement, addition or removal can be easily performed in block units as well.
- the transfer system can be freely connected, a linear transfer system and a 0-shaped transfer system can be constructed, and the transfer system, chamber and buffer can be plugged in from the middle of the line.
- the wafers can be detached from each other and the wafers being processed can be transported between the lines.
- buffer chambers functioning as load locks are arranged at both ends of the transfer system, and the transfer system is provided with the buffer chamber.
- An exhaust system is provided to create a vacuum and perform vacuum transfer. This not only prevents the influence of the outside air on the wafer during the process such as when forming a laminated film, but also enhances the wafer transfer efficiency in the block.
- the transport system may be set to the atmosphere.
- a load lock chamber may be provided and connected to the transfer system, and suitable for production efficiency and transfer efficiency as appropriate. What is necessary is just to implement a connection form.
- FIG. 8 illustrates, as a fourth embodiment, a manufacturing line for processing wafers having different wafer sizes due to the plug-in configuration.
- the configuration of this manufacturing line is a processing unit group 123 that performs a series of processes for forming an integrated circuit on each of a plurality of transport systems (sub-lines) that transport wafers of different sizes. 1 2 4 It is a conclusion.
- a wafer to be transported is 8 inches or more in size, a wafer with a size of 6 inches or less, and two types of wafers with different size inches.
- a resist processing and pattern exposure apparatus 125 and 12 9 corresponding to the size of each transport system and an etching apparatus 1 26 and 130, the thin film forming devices 127, 131, and the inspection devices 128, 132 are connected.
- a loader Z unloader 13 3 and 13 4 are provided, and a control unit 13 5 for controlling the whole is provided. I have.
- the integrated lines having a minimum processing line width of 0.3 ⁇ m or less are used.
- the minimum processing line width of one of the sublines can be less than ⁇ .3 ⁇ m.
- a first size wafer forms a first chip size integrated circuit
- a second size wafer forms a second chip size integrated circuit. You can do it. If the chip size of the integrated circuit is different, the optimal wafer size may be different when yield, yield, and sl-put are considered as a total.
- this system can manufacture two or more types of integrated circuits using semiconductor substrates of optimal wafer size. Systems and methods are beneficial.
- one sub-line is set to 8 inches or more and the other is set to 6 inches or less.
- the present invention is not limited to this, and both need to be 6 inches or less. Different sizes of wafers, such as a combination of 5 inches and 2 inches, may be used.
- the processing equipment connected to each sub-line has a plug-in configuration, so the transport system and processing equipment can be easily replaced, added or removed, and furthermore, In addition, it is possible to easily add or remove not only in units of devices but also in units of lines to which a series of processing devices are connected.
- processing units when processing units are arranged in the same process process specifications for wafers having different sizes, it is possible to cope with fluctuations in production quantity (yield). However, it is possible to respond without significantly changing production efficiency.
- one sub-line is designed to be compatible with miniaturization, and the other is equipped with a processing unit with specifications smaller than that miniaturization, it can be manufactured in accordance with the process of each integrated circuit. Therefore, the cost of the processing device can be reduced.
- FIG. 9 illustrates, as a fifth embodiment, a manufacturing line for processing wafers of the same size in a plug-in configuration.
- a plurality of transfer systems (sub-lines) for transferring wafers of the same size are connected at several places by a pass line 140 so that they can be mutually transferred.
- a pass line 140 is a production line configured by connecting a series of plural processing apparatuses to the transport system.
- the manufacturing line of the present embodiment is composed of two sub-liners, which are formed by a transfer system in which a plurality of nozzles are interposed. It consists of two sub-lines 14 2, 14 3 connected to processing units 14 4, 14 5 that perform a series of processes for forming integrated circuits on the wafer. . Passlines 140 for transferring wafers between lines will be provided at three locations along these transport systems.
- the processing apparatus groups 144 and 145 include a resist processing and pattern exposure apparatus 144 and 150, an etching apparatus 144 and 151, a thin film forming apparatus 144 and 150, respectively. 52 and the inspection devices 1449 and 1553 are connected by a plug-in. Each sub-line (transport system) 14 2, 14 3 is provided with a loader / unloader 15 4, 15 5, and a control unit 15 6 for controlling the whole. Have been
- the transport system in the present embodiment employs a single-wafer type that transports wafers one by one. Rather than changing the storage capacity of chambers or limiting the transfer of pass lines to single-wafer transport, wafers are stored in cassettes and transported for each cassette. Is also good.
- processing equipment for example, equipment that treats a large number of wafers at once by stacking multiple wafers vertically or using a boat, such as a CVD apparatus or a thermal oxide film forming apparatus, is adopted. If you want to Use specifications that can be supported by the buffer.
- a processing device with different specifications is used by moving a wafer between sub-lines by using a pass line.
- an etching apparatus having different specifications such as an etching of an oxide film and a metal
- Efficient processing can be achieved by arranging an oxide film etching device on one sub-line and a metal etching device on the other sub-line and performing processing through the pass line. it can.
- adjacent sub-lines (not shown) for processing wafers of the same size are connected to other sub-lines by connecting them with a no-line 158.
- the used processing equipment can also be used.
- the manufacturing line of the present invention when a wafer having a diameter of 6 inches or less is used, an integrated circuit including a transistor having a gate length of 0.3 ⁇ or less is formed.
- the number of integrated circuits formed per wafer should be four or less. In the case of a wafer having a diameter of about 2 inches or less, the number of integrated circuits manufactured is reduced to one.
- a region where an integrated circuit is formed is limited to a region where desired processing accuracy can be expected. For example, only the area such as the center of the wafer surface or the middle between the center and the periphery An integrated circuit is formed at a high yield. Forming integrated circuits only in areas where high yield can be expected will lead to an improvement in the throughput of the exposure process. Based on the above situation, 4 or less than 4 wafers per wafer for wafers of 6 inches or less, and 1 wafer per wafer for 2-inch wafers If the method of forming the circuit is preferable as a total, there is power S.
- At least one etching step is performed on the production line, and a fine pattern of 0.3 / im or less is produced.
- the wafers with a diameter of less than 300 integrated circuits that can be harvested are targeted for processing.
- a semiconductor (silicon) substrate having a larger diameter is required.
- control unit In the manufacturing lines described with reference to FIGS. 4 to 10, it has been described that the processing units of the entire line and the components of the processing chamber are controlled by one control unit. You. Of course, one control unit may control the entire system, but this is for ease of explanation. This is conceptually shown for the sake of illustration, and when actually constructing this manufacturing line, a control unit is provided for each processing device and each processing chamber, and the control for those controls is performed. It may be designed to provide a host-like control unit that sends general instructions.
- the wafer size to be processed is set to a wafer having a diameter of 6 inches or less, when the following conditions are satisfied, 30 Omm and 8 inches are used.
- the yield of 6-inch wafer is larger than that of Eno. The details will be described below.
- the yield of the semiconductor device should satisfy the following conditions, considering one wafer.
- Effective area of wafer Z chip size Yield per wafer
- Effective area (Wafer radius-2 mm) 2 ⁇
- the reduction of 2 mm means that an integrated circuit is effectively formed in a 2 mm area around the wafer periphery. This is because it is not possible.
- the energy consumption of the semiconductor manufacturing line for small-diameter wafers must be 0.6 times or less compared to 8 inches of energy. Is lost.
- the throughput of a 6-inch wafer device should be about 1.1 times that of an 8-inch wafer device because the transfer stroke is small for small-diameter wafers. It is. As a result, the throughput of semiconductor manufacturing lines with small diameter wafers can be expected to be about 1.1 times higher than that of 8-inch wafers.
- Foot space of processing equipment for small diameter wafers H n XG ⁇ H (n ⁇ 0.7)
- the throughput of a 6-inch wafer should be about 0.7 times that of an 8-inch wafer. It is. Therefore, the foot space (occupied area) of the processing equipment for small-diameter wafers can be expected to be about 0.7 times or less as compared with the processing equipment for 8-inch wafers.
- the investment efficiency by the small-diameter wafer is smaller than the yield by the 30 Omm wafer at the same cost.
- the area occupied by the processing equipment and manufacturing lines in the factory can be reduced, and not only the raw material costs and equipment costs but also the clean room construction cost of the factory can be reduced. The cost of maintenance can also be reduced.
- an integrated circuit having a minimum processing dimension of 0.3 ⁇ m or less for a component formed on a semiconductor substrate is reduced on a semiconductor wafer.
- a method of manufacturing a semiconductor device which can be formed by cost, can easily and flexibly cope with a change in a process step, and can cope with a plurality of niche sizes, and a manufacturing line thereof are provided.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00915486A EP1187183A4 (en) | 1999-04-16 | 2000-04-11 | MANUFACTURE OF A SEMICONDUCTOR PART AND ASSOCIATED MANUFACTURING STRIP |
KR1020017013154A KR100584818B1 (ko) | 1999-04-16 | 2000-04-11 | 반도체 장치의 제조 방법 및 그 제조 라인 |
US09/958,970 US6841485B1 (en) | 1999-04-16 | 2000-04-11 | Method of manufacturing semiconductor device and manufacturing line thereof |
US11/024,199 US7566665B2 (en) | 1999-04-16 | 2004-12-29 | Semiconductor device manufacturing method and manufacturing line thereof |
US11/189,700 US20050260824A1 (en) | 1999-04-16 | 2005-07-27 | Semiconductor device manufacturing method and manufacturing line thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP11/109376 | 1999-04-16 | ||
JP10937699 | 1999-04-16 |
Related Child Applications (2)
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US09958970 A-371-Of-International | 2000-04-11 | ||
US11/024,199 Continuation US7566665B2 (en) | 1999-04-16 | 2004-12-29 | Semiconductor device manufacturing method and manufacturing line thereof |
Publications (1)
Publication Number | Publication Date |
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WO2000063953A1 true WO2000063953A1 (fr) | 2000-10-26 |
Family
ID=14508684
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2000/002351 WO2000063953A1 (fr) | 1999-04-16 | 2000-04-11 | Procede de production d'un dispositif a semi-conducteur et sa ligne de production |
Country Status (6)
Country | Link |
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US (3) | US6841485B1 (ja) |
EP (1) | EP1187183A4 (ja) |
KR (1) | KR100584818B1 (ja) |
CN (2) | CN100380581C (ja) |
TW (1) | TW469499B (ja) |
WO (1) | WO2000063953A1 (ja) |
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JP2014030034A (ja) * | 2013-09-12 | 2014-02-13 | National Institute Of Advanced Industrial & Technology | デバイス製造システムおよび方法 |
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US7458763B2 (en) * | 2003-11-10 | 2008-12-02 | Blueshift Technologies, Inc. | Mid-entry load lock for semiconductor handling system |
US10086511B2 (en) | 2003-11-10 | 2018-10-02 | Brooks Automation, Inc. | Semiconductor manufacturing systems |
WO2005048313A2 (en) * | 2003-11-10 | 2005-05-26 | Blueshift Technologies, Inc. | Methods and systems for handling workpieces in a vacuum-based semiconductor handling system |
US20070269297A1 (en) * | 2003-11-10 | 2007-11-22 | Meulen Peter V D | Semiconductor wafer handling and transport |
US6977429B2 (en) * | 2003-12-05 | 2005-12-20 | Texas Instruments Incorporated | Manufacturing system and apparatus for balanced product flow with application to low-stress underfilling of flip-chip electronic devices |
JP4216263B2 (ja) * | 2005-03-09 | 2009-01-28 | シャープ株式会社 | 製造検査解析システム、および製造検査解析方法 |
US8105759B2 (en) * | 2005-07-05 | 2012-01-31 | Hitachi Chemical Company, Ltd. | Photosensitive resin composition, and, photosensitive element, method for forming resist pattern, method for manufacturing printed wiring board and method for manufacturing partition wall for plasma display panel using the composition |
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JP5417351B2 (ja) * | 2011-01-26 | 2014-02-12 | 株式会社日立ハイテクノロジーズ | 検体搬送システムおよびその制御方法 |
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US20160281236A1 (en) * | 2015-03-26 | 2016-09-29 | Alta Devices, Inc. | Substrate processing using interleaved load lock transfers |
JP6902379B2 (ja) * | 2017-03-31 | 2021-07-14 | 東京エレクトロン株式会社 | 処理システム |
WO2018182504A1 (en) * | 2017-03-31 | 2018-10-04 | Neitas Pte. Ltd. | Microdevice manufacturing system |
US11756840B2 (en) * | 2018-09-20 | 2023-09-12 | Taiwan Semiconductor Manufacturing Co., Ltd. | Reflectance measurement system and method thereof |
US11996307B2 (en) | 2020-12-23 | 2024-05-28 | Applied Materials, Inc. | Semiconductor processing tool platform configuration with reduced footprint |
KR102411440B1 (ko) * | 2021-10-21 | 2022-06-22 | 주식회사 기가레인 | 웨이퍼 처리 시스템 및 웨이퍼 처리 방법 |
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- 2000-04-11 CN CNB200510081113XA patent/CN100380581C/zh not_active Expired - Fee Related
- 2000-04-11 WO PCT/JP2000/002351 patent/WO2000063953A1/ja active IP Right Grant
- 2000-04-11 US US09/958,970 patent/US6841485B1/en not_active Expired - Fee Related
- 2000-04-11 CN CN00806279A patent/CN1347566A/zh active Pending
- 2000-04-13 TW TW089106858A patent/TW469499B/zh active
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2004
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JP2014030034A (ja) * | 2013-09-12 | 2014-02-13 | National Institute Of Advanced Industrial & Technology | デバイス製造システムおよび方法 |
Also Published As
Publication number | Publication date |
---|---|
CN1697131A (zh) | 2005-11-16 |
EP1187183A1 (en) | 2002-03-13 |
US20050112889A1 (en) | 2005-05-26 |
KR100584818B1 (ko) | 2006-05-30 |
KR20020010603A (ko) | 2002-02-04 |
US20050260824A1 (en) | 2005-11-24 |
TW469499B (en) | 2001-12-21 |
US6841485B1 (en) | 2005-01-11 |
EP1187183A4 (en) | 2009-01-14 |
CN100380581C (zh) | 2008-04-09 |
US7566665B2 (en) | 2009-07-28 |
CN1347566A (zh) | 2002-05-01 |
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