KR20220020527A - Apparatus and Method for Processing Substrate - Google Patents

Abstract

The present invention relates to a substrate processing apparatus and a substrate processing method, wherein the substrate processing apparatus comprises: a first chamber in which a first processing process for a substrate is performed; a second chamber in which a second processing process for the substrate is performed; a first gas injection unit for injecting gas into the first chamber; a second gas injection unit for injecting gas into the second chamber; a gas supply unit for supplying gas; and a path change unit configured to change the direction of the gas so that the gas of the gas supply unit is supplied to the first gas injection unit and the second gas injection unit, respectively, thereby capable of reducing the construction cost and management cost to increase a throughput of a processing process for the substrate.

Description

Substrate processing apparatus and substrate processing method {Apparatus and Method for Processing Substrate}

The present invention relates to a substrate processing apparatus for performing processing processes such as a deposition process and an etching process on a substrate.

In general, in order to manufacture a solar cell, a semiconductor device, a flat panel display, etc., a predetermined thin film layer, a thin film circuit pattern, or an optical pattern must be formed on a substrate. To this end, a deposition process for depositing a thin film of a specific material on a substrate, a photo process for selectively exposing the thin film using a photosensitive material, an etching process for selectively removing the thin film from the exposed portion to form a pattern, etc. The treatment process takes place. A processing process for such a substrate is performed by a substrate processing apparatus.

A substrate processing apparatus according to the related art includes a chamber providing a processing space, a support part for supporting a substrate, a gas injection part for spraying gas, and a gas supply part for supplying gas to the gas injection part. When the gas supply unit supplies gas to the gas injection unit, the gas injection unit injects gas toward the support unit. Accordingly, a processing process for the substrate supported by the support is performed.

Here, in order to increase the throughput of the processing process for the substrate, the substrate processing apparatus according to the related art is implemented to include a plurality of the chambers. In this case, the substrate processing apparatus according to the prior art includes a plurality of gas supply units to supply gas to the gas injection units disposed in the chambers. Accordingly, in the substrate processing apparatus according to the prior art, there is a problem in that the construction cost for building the gas supply units and the management cost for managing the gas supply units increase.

The present invention has been devised to solve the above-described problems, and to provide a substrate processing apparatus and a substrate processing method capable of reducing construction costs and management costs for increasing the throughput of a processing process for a substrate.

In order to solve the problems as described above, the present invention may include the following configuration.

A substrate processing apparatus according to the present invention includes a first chamber in which a first processing process for a substrate is performed; a second chamber in which a second processing process for the substrate is performed; a first gas injection unit for injecting gas into the first chamber; a second gas injection unit for injecting gas into the second chamber; a gas supply unit for supplying gas; and a path change unit configured to change the direction of the gas so that the gas of the gas supply unit is supplied to the first gas injection unit and the second gas injection unit, respectively.

The substrate processing method according to the present invention can perform a processing process on a substrate using a substrate processing apparatus having a first chamber in which a first processing process is performed on a substrate and a second chamber in which a second processing process is performed on the substrate. there is.

A substrate processing method according to the present invention includes the steps of changing the direction of the gas so that the gas of the gas supply unit is supplied to the first chamber; performing the first processing process using the gas supplied to the first chamber; changing the direction of the gas so that the gas of the gas supply unit is supplied to the second chamber; and performing the second treatment process using the gas supplied to the second chamber.

A substrate processing method according to the present invention includes the steps of: changing the direction of the first gas so that the first gas of a first gas supply unit is supplied to the first chamber; performing the first treatment process using a first gas in the first chamber; The direction of the first gas is changed so that the first gas of the first gas supply unit is supplied to the second chamber, and the second gas of the second gas supply unit is supplied to the first chamber. changing direction; and performing the first processing process using the second gas in the first chamber and performing the second processing process using the first gas in the second chamber.

A substrate processing method according to the present invention comprises a first chamber in which a first processing process is performed on a substrate, a second chamber in which a second processing process is performed on a substrate, a first gas supply unit supplying a first gas, and a second gas. A processing process on the substrate may be performed using a substrate processing apparatus having a second gas supply unit supplying the second gas and a third gas supply unit supplying the third gas. The method for processing a substrate according to the present invention includes: supplying, by the first gas supply unit, the first gas to the first chamber; supplying the first gas to the second chamber by the first gas supply unit, and supplying the third gas to the first chamber by the third gas supply unit; supplying the second gas to the first chamber by the second gas supply unit, and supplying the third gas to the second chamber by the third gas supply unit; supplying the second gas to the second chamber by the second gas supply unit, and supplying the third gas to the first chamber by the third gas supply unit; and supplying, by the third gas supply unit, the third gas to the second chamber.

According to the present invention, the following effects can be achieved.

The present invention is implemented so that the gas supply unit is commonly used in performing the first processing process in the first chamber and the second processing process in the second chamber. Accordingly, the present invention can lower the construction cost for building the gas supply unit and the management cost for managing the gas supply unit. In addition, since the present invention can reduce the area occupied by the gas supply unit in the installation space, it can contribute to improving the space utilization for the installation space.

The present invention is implemented to easily and accurately control the flow rate of gas supplied to each of the first chamber and the second chamber. In addition, the present invention is implemented so that each of the first gas injection unit and the second gas injection unit injects gas with a sufficient injection pressure. Accordingly, according to the present invention, the quality of the substrates on which the first and second processing processes have been completed can be improved by using the gas injected with a sufficient flow rate and injection pressure.

1 is a schematic configuration diagram of a substrate processing apparatus according to the present invention;
2 is a schematic block diagram showing a comparative example of a substrate processing apparatus according to the present invention;
3 is a schematic block diagram of a substrate processing apparatus according to the present invention;
4 to 7 are schematic flowcharts of a substrate processing method according to the present invention.
8 is a schematic flowchart of a substrate processing method according to a modified embodiment of the present invention;

Hereinafter, an embodiment of a substrate processing apparatus according to the present invention will be described in detail with reference to the accompanying drawings.

Referring to FIG. 1 , the substrate processing apparatus 1 according to the present invention performs a processing process on a substrate. The substrate may be a glass substrate, a silicon substrate, a metal substrate, or the like. The substrate processing apparatus 1 according to the present invention may perform a deposition process of depositing a thin film on the substrate, an etching process of removing a portion of the thin film deposited on the substrate, and the like. Hereinafter, an embodiment in which the substrate processing apparatus 1 according to the present invention performs the deposition process will be described, but from this, the substrate processing apparatus 1 according to the present invention performs other processing processes such as the etching process. It will be apparent to those skilled in the art to which the present invention pertains to derive an embodiment.

The substrate processing apparatus 1 according to the present invention may include a first chamber 2 , a second chamber 3 , a gas supply unit 4 , and a path change unit 5 .

<First Chamber>

Referring to FIG. 1 , the first chamber 2 provides a first processing space 20 . In the first processing space 20 , a first processing process such as a deposition process and an etching process for the substrate may be performed. The first processing space 20 may be disposed inside the first chamber 2 . An exhaust port (not shown) for exhausting gas from the first processing space 20 may be coupled to the first chamber 2 .

A first gas injection unit 21 may be installed in the first chamber 2 .

The first gas injection unit 21 injects gas into the first chamber 2 . The first gas injection unit 21 may be connected to the gas supply unit 4 . Accordingly, the first gas injection unit 21 may inject the gas supplied from the gas supply unit 4 into the first chamber 2 .

A first support part 22 may be installed in the first chamber 2 .

The first support part 22 supports the substrate. The first support part 22 may support one substrate or a plurality of substrates. When a plurality of substrates are supported by the second support unit 32 , a first processing process may be performed on the plurality of substrates at once. The first support part 22 may be coupled to the first chamber 2 so as to be disposed inside the first chamber 2 .

The first support part 22 may be disposed to face the first gas injection part 21 . Accordingly, the first gas injection unit 21 may inject the gas supplied from the gas supply unit 4 toward the first support unit 22 . The first gas injection unit 21 may be coupled to the first lead 2a. The first lead 2a may be disposed inside the first chamber 2 .

<Second Chamber>

Referring to FIG. 1 , the second chamber 3 provides a second processing space 30 . In the second processing space 30 , a second processing process such as a deposition process and an etching process for the substrate may be performed. The second processing process and the first processing process may be the same process. The second processing process and the first processing process may be different processes. The second processing space 30 may be disposed inside the second chamber 3 . An exhaust port (not shown) for exhausting gas from the second processing space 30 may be coupled to the second chamber 3 .

A second gas injection unit 31 may be installed in the second chamber 3 .

The second gas injection unit 31 injects gas into the second chamber 3 . The second gas injection unit 31 may be connected to the gas supply unit 4 . Accordingly, the second gas injection unit 31 may inject the gas supplied from the gas supply unit 4 into the second chamber 3 .

A second support part 32 may be installed in the second chamber 3 .

The second support part 32 supports the substrate. The first support part 22 may support one substrate or a plurality of substrates. When a plurality of substrates are supported by the second support part 32 , a second processing process may be performed on the plurality of substrates at once. The second support part 32 may be coupled to the first chamber 2 so as to be disposed inside the first chamber 2 .

The second support part 32 may be disposed to face the second gas injection part 31 . Accordingly, the second gas injection unit 31 may inject the gas supplied from the gas supply unit 4 toward the second support unit 32 . The second gas injection unit 31 may be coupled to the second lead 3a. The second lead 3a may be disposed inside the second chamber 3 .

<Gas supply part>

Referring to FIG. 1 , the gas supply unit 4 supplies gas. The gas is used in the first processing process and the second processing process. For example, the gas may be a process gas such as a source gas or a reaction gas, or a purge gas for purging the process gas. After the gas supplied by the gas supply unit 4 is supplied to the path change unit 5 , the first gas injection unit 21 and the second gas injection unit 31 are supplied by the path change unit 5 . ) may be supplied as any one selected from When gas is supplied to the first gas injection unit 21 by the path change unit 5 , as the first gas injection unit 21 injects the gas toward the first support unit 22 , the second 1 treatment process can be made. When gas is supplied to the second gas injection unit 31 by the path change unit 5 , as the second gas injection unit 31 injects the gas toward the second support unit 32 , the first Two processing steps can be made.

As described above, in the substrate processing apparatus 1 according to the present invention, the gas supply unit performs the first processing process in the first chamber 2 and the second processing process in the second chamber 3 . (4) can be used in common. Accordingly, in comparison with the comparative example in which gas supply units are individually provided for each of the chambers, the substrate processing apparatus 1 according to the present invention has a construction cost for building the gas supply unit 4 and the gas supply unit 4 . management costs can be lowered. In addition, since the substrate processing apparatus 1 according to the present invention can reduce the area occupied by the gas supply unit 4 in the installation space when compared to the comparative example, it can contribute to improving the space utilization for the installation space.

When the gas supply unit 4 supplies two or more types of gases, the gas supply unit 4 may include a plurality of storage tanks for storing gases. The gas supply unit 4 may supply a gas selected from among the gases stored in the storage tanks according to a preset process sequence. In this case, the gas supply unit 4 may include a plurality of valves for selectively supplying gas.

<Route Change Department>

1 and 2 , the path change unit 5 changes the direction of the gas supplied by the gas supply unit 4 . As the path change unit 5 changes the direction of the gas, the gas of the gas supply unit 4 may be supplied to the first gas injection unit 21 and the second gas injection unit 31, respectively. there is. In this case, the gas of the gas supply unit 4 may be alternately supplied to the first gas injection unit 21 and the second gas injection unit 31 by the path change unit 5 . For example, after the gas is supplied to the first gas injection unit 21 , the gas is supplied to the second gas injection unit 31 , and the gas is supplied to the first gas injection unit 21 again. In order, the gas of the gas supply unit 4 may be alternately supplied to the first gas injection unit 21 and the second gas injection unit 31 . Accordingly, the substrate processing apparatus 1 according to the present invention can achieve the following effects.

First, as shown in FIG. 2 , the gas supply unit 4 supplies gas to both the first gas injection unit 21 and the second gas injection unit 31 without the path change unit 5 . In an example, the gas of the gas supply unit 4 is divided and supplied into the first gas injection unit 21 and the second gas injection unit 31 . Accordingly, in the comparative example, it is difficult to accurately control each of the flow rate of the gas supplied to the first gas injection unit 21 and the flow rate of the gas supplied to the second gas injection unit 31 .

Unlike this, in the embodiment, since the gas of the gas supply unit 4 is supplied to the first gas injection unit 21 and the second gas injection unit 31 using the path change unit 5, respectively, the Each of the flow rate of the gas supplied to the first gas injection unit 21 and the flow rate of the gas supplied to the second gas injection unit 31 can be easily and accurately adjusted.

Second, in the comparative example, the gas of the gas supply unit 4 is divided and supplied to the first chamber 2 through the first gas injection unit 21 , and also through the second gas injection unit 31 . It is supplied to the second chamber (3). Accordingly, the comparative example reduces the flow rate of the gas injected by the first gas injection unit 21 and the flow rate of the gas injected by the second gas injection unit 31, so that the first gas injection unit 21 Reduces the injection pressure of the gas injected and the injection pressure of the gas injected by the second gas injection unit 31 . Accordingly, in the comparative example, the quality of the substrates on which the first processing process and the second processing process have been completed may be deteriorated due to the gas injected with a low flow rate and injection pressure.

In contrast, in the embodiment, the gas of the gas supply unit 4 is passed through the first gas injection unit 21 and the second gas injection unit 31 to the first chamber using the path change unit 5 . (2) and the second chamber (3) are alternately supplied, so that each of the first gas injection unit 21 and the second gas injection unit 31 can be implemented to inject gas with sufficient injection pressure. there is. Accordingly, in the embodiment, the quality of the substrates on which the first processing process and the second processing process have been completed may be improved by using the gas injected with a sufficient flow rate and injection pressure. The path change unit 5 may be implemented using a three-way valve.

<control unit>

1 to 4 , the substrate processing apparatus 1 according to the present invention may include a control unit 6 .

The control unit 6 controls the path change unit 5 . The control unit 6 may change the direction of the gas supplied by the gas supply unit 4 by controlling the path change unit 5 . The control unit 6 may control the path change unit 5 according to process information preset according to process conditions of each of the first processing process and the second processing process. The process information includes a flow rate of gas to be supplied to the first gas injection unit to perform the first processing process, a flow rate of gas to be supplied to the second gas injection unit to perform the second processing process; The time for supplying gas to each of the first gas injection unit and the second gas injection unit, etc., may be preset by an operator.

Here, the substrate processing apparatus 1 according to the present invention may be implemented to supply a mixed gas in which the first gas and the second gas are mixed to the first chamber 2 and the second chamber 3 , respectively. In this case, the gas supply unit 4 may supply a mixed gas. The path change unit 5 may change the direction of the mixed gas so that the mixed gas is supplied to the first chamber 2 and the second chamber 3 , respectively. The first gas may be a source gas, and the second gas may be a reaction gas. In this case, a treatment process by chemical vapor deposition (CVD) may be performed in each of the first chamber 2 and the second chamber 3 . In the substrate processing apparatus 1 according to the present invention, after supplying the mixed gas to the first chamber 2 and the second chamber 3, respectively, a purge gas is supplied to the first chamber 2 and the second chamber Each may be supplied to the chamber (3). Accordingly, after the mixed gas is injected into each of the first chamber 2 and the second chamber 3 , the process of spraying the purge gas may be repeatedly performed.

Referring to FIG. 3 , in the substrate processing apparatus 1 according to the present invention, the first gas and the second gas are respectively supplied to the first chamber 2 and the second chamber 3 in a state in which they are not mixed. It may be implemented as much as possible. In this case, the gas supply unit 4 and the path change unit 5 may be implemented as follows.

The gas supply unit 4 may include a first gas supply unit 4a and a second gas supply unit 4b. The first gas supply unit 4a may supply the first gas. The second gas supply unit 4b may supply the second gas. The first gas may be a source gas, and the second gas may be a reaction gas.

The path change unit 5 may include a first change unit (5a) and a second change unit (5b).

The first changing unit 5a changes the direction of the first gas so that the first gas of the first gas supply unit 4a is supplied to the first chamber 2 and the second chamber 3, respectively. can The first changing unit 5a may be connected to each of the first gas supply unit 4a, the first chamber 2 and the second chamber 3 . The first change unit 5a may be implemented using a three-way valve. Since the first change unit 5a is implemented to be substantially identical to the path change unit 5 described above, a detailed description thereof will be omitted.

The second changing unit 5b is configured to change the direction of the second gas so that the second gas of the second gas supply unit 4b is supplied to the first chamber 2 and the second chamber 3, respectively. can The second changing unit 5b may be connected to the second gas supply unit 4b, the first chamber 2, and the second chamber 3, respectively. The second changing unit 5b and the first changing unit 5a may be connected to the first chamber 2 and the second chamber 3 independently of each other, respectively. The second change unit 5b may be implemented using a three-way valve. Since the second change unit 5b is implemented to substantially match the path change unit 5 described above, a detailed description thereof will be omitted.

When a chemical vapor deposition (CVD) process is performed in each of the first chamber 2 and the second chamber 3, the first changing unit 5a and the second changing unit 5b are The direction of the first gas and the direction of the second gas may be changed so that the first gas and the second gas are supplied to the first chamber 2 . Accordingly, in the first chamber 2 , a first treatment process by chemical vapor deposition (CVD) may be performed using the first gas and the second gas. And, the first changing unit (5a) and the second changing unit (5b) are the direction of the first gas and the second so that the first gas and the second gas are supplied to the second chamber (3). You can change the direction of the gas. Accordingly, in the second chamber 3 , a second treatment process by chemical vapor deposition (CVD) may be performed using the first gas and the second gas.

The gas supply unit 4 may include a third gas supply unit 4c. The third gas supply unit 4c supplies a purge gas.

When the first processing process in the first chamber 2 and the second processing process in the second chamber 3 are completed, the third gas supply unit 4c is connected to the first chamber 2 and the The purge gas may be supplied to each of the second chambers 3 . The third gas supply unit (4c) is supplied to each of the first and second chambers (2) and (3) through at least one of the first changing unit (5a) and the second changing unit (5b). A purge gas may be supplied.

When the third gas supply unit 4c supplies the purge gas to each of the first chamber 2 and the second chamber 3 through the first change unit 5a, the first change unit (5a) may change the direction of the purge gas so that the purge gas is supplied to the first chamber 2 and the second chamber 3, respectively. In this case, the first changing unit 5a is implemented to change the direction of the first gas and the direction of the purge gas.

When the third gas supply unit 4c supplies a purge gas to each of the first chamber 2 and the second chamber 3 through the second change unit 5b, the second change unit ( 5b) may change the direction of the purge gas so that the purge gas is supplied to the first chamber 2 and the second chamber 3, respectively. In this case, the second changing unit 5b is implemented to change the direction of the second gas and the direction of the purge gas.

The third gas supply unit 4c supplies a purge gas to each of the first and second chambers 2 and 3 through both the first changing unit 5a and the second changing unit 5b. When supplying, the first changing unit (5a) and the second changing unit (5b) of the purge gas so that the purge gas is respectively supplied to the first chamber (2) and the second chamber (3), respectively direction can be changed.

The path change unit 5 may include a third change unit 5c.

The third changing unit 5c may change the direction of the purge gas so that the purge gas of the third gas supply unit 4c is supplied to the first chamber 2 and the second chamber 3, respectively. . When the first processing process in the first chamber 2 is completed, the third changing unit 5c may change the direction of the purge gas so that the purge gas is supplied to the first chamber 2 . While the purge gas is supplied to the first chamber 2 , a second processing process may be performed in the second chamber 3 . When the second processing process in the second chamber 3 is completed, the third changing unit 5c may change the direction of the purge gas so that the purge gas is supplied to the second chamber 3 . While the purge gas is supplied to the second chamber 3 , a first processing process may be performed in the first chamber 2 . The third change unit 5c may be implemented using a three-way valve. Since the third changing unit 5c is implemented to be substantially identical to the above-described path changing unit 5, a detailed description thereof will be omitted.

When a processing process by atomic layer deposition (ALD) is performed in each of the first chamber 2 and the second chamber 3, the first changing unit 5a changes the direction of the first gas while supplying the first gas to the first chamber 2 by changing can supply And, while the first changing unit 5a changes the direction of the first gas and supplies the first gas to the second chamber 3, the second changing unit 5b changes the second gas The second gas may be supplied to the first chamber 2 by changing the direction of .

A treatment process by atomic layer deposition (ALD) is performed in each of the first chamber 2 and the second chamber 3 , and the purge gas is supplied to each of the first chamber 2 and the second chamber 3 . is supplied, the first changing unit 5a, the second changing unit 5b, and the third changing unit 5c may operate as follows.

First, while the first changing unit 5a changes the direction of the first gas to supply the first gas to the first chamber 2, the second changing unit 5b controls the second gas The second gas may be supplied to the second chamber 3 by changing the direction of .

Next, at least one of the first changing unit 5a, the second changing unit 5b, and the third changing unit 5c changes the direction of the purge gas to supply the purge gas to the first chamber 2 ) and the second chamber 3 may be respectively supplied.

Next, while the first changing unit 5a changes the direction of the first gas to supply the first gas to the second chamber 3, the second changing unit 5b controls the second gas The second gas may be supplied to the first chamber 2 by changing the direction of .

Next, at least one of the first changing unit 5a, the second changing unit 5b, and the third changing unit 5c changes the direction of the purge gas so that the purge gas is transferred to the first chamber ( 2) and the second chamber 3 may be supplied respectively.

Accordingly, in the first chamber 2, a first processing process by atomic layer deposition (ALD) is performed, and in the second chamber 3, a second processing process by atomic layer deposition (ALD) can be performed. there is.

Hereinafter, an embodiment of a substrate processing method according to the present invention will be described in detail with reference to the accompanying drawings.

1 to 4 , the substrate processing method according to the present invention includes a first chamber 2 in which a first processing process is performed on a substrate and a second chamber 3 in which a second processing process is performed on the substrate. A processing process for the substrate is performed using the substrate processing apparatus 1 . The substrate processing method according to the present invention may be performed by the above-described substrate processing apparatus 1 according to the present invention. The substrate processing method according to the present invention may include the following steps.

First, the direction of the gas is changed so that the gas is supplied to the first chamber 2 (S10). In this step (S10), the path changing unit 5 changes the direction of the gas so that the gas of the gas supply unit 4 is supplied to the first chamber 2, so that the gas is transferred to the first chamber 2 ) can be supplied. The path change unit 5 may change the direction of the gas according to the control of the control unit 6 .

Next, a first processing process is performed in the first chamber 2 (S20). In this step (S20), the first gas injection unit 21 injects the gas supplied from the gas supply unit 4 and the path change unit 5 toward the substrate supported by the first support unit 22. can be done

Next, the direction of the gas is changed so that the gas is supplied to the second chamber 3 (S30). This step ( S30 ) may be performed by the path changing unit 5 changing the direction of the gas so that the gas of the gas supply unit 4 is supplied to the second chamber 3 . The path change unit 5 may supply the gas to the second chamber 3 by changing the direction of the gas under the control of the control unit 6 .

Next, a second processing process is performed in the second chamber 3 (S40). In this step (S40), the second gas injection unit 31 injects the gas supplied from the gas supply unit 4 and the path change unit 5 toward the substrate supported by the second support unit 32. can be done

By repeatedly performing the above steps, in the substrate processing method according to the present invention, the first processing process is performed in the first chamber 2 and the second processing process is performed in the second chamber 3 . It can be implemented to make this happen.

Here, the step of changing the direction of the gas so that the gas is supplied to the first chamber (S10) and the step of changing the direction of the gas so that the gas is supplied to the second chamber (S30) are alternately performed. can Accordingly, the operation of supplying the gas of the gas supply unit 4 to the first chamber 2 and the operation of supplying the gas of the gas supply unit 4 to the second chamber 3 may be alternately performed. there is. Accordingly, the substrate processing method according to the present invention can easily and accurately control the flow rate of the gas supplied to the first chamber 2 and the flow rate of the gas supplied to the second chamber 3 , respectively. In addition, since the substrate processing method according to the present invention is implemented to inject gas with sufficient injection pressure to each of the first chamber 2 and the second chamber 3, using the gas injected with a sufficient flow rate and injection pressure The quality of the substrates on which the first processing process and the second processing process have been completed may be improved.

Here, the step of changing the direction of the gas so that the gas is supplied to the first chamber (S10) is by supplying the gas to the first chamber 2 while blocking the gas supply to the second chamber 3 . can be done Accordingly, in the substrate processing method according to the present invention, the flow rate and injection pressure of the gas injected by the first gas injection unit 21 can be increased based on the gas supply amount of the gas supply unit 4 , so that the first It is possible to further improve the quality of the substrates that have been processed. Changing the direction of the gas so that the gas is supplied to the first chamber ( S10 ) may be performed by supplying all of the gas to the first chamber 2 .

Here, the step of changing the direction of the gas so that the gas is supplied to the second chamber (S30) is by supplying the gas to the second chamber 3 while blocking the gas supply to the first chamber 2 can be done Accordingly, the substrate processing method according to the present invention can increase the flow rate and injection pressure of the gas injected by the second gas injection unit 31 based on the gas supply amount of the gas supply unit 4, so that the second It is possible to further improve the quality of the substrates that have been processed. Changing the direction of the gas so that the gas is supplied to the second chamber ( S30 ) may be performed by supplying all of the gas to the second chamber 3 .

Here, the substrate processing method according to the present invention may be implemented to supply a mixed gas in which the first gas and the second gas are mixed to the first chamber 2 and the second chamber 3 , respectively. In this case, the step of changing the direction of the gas so that the gas is supplied to the first chamber ( S10 ) may be performed by changing the direction of the mixed gas so that the mixed gas is supplied to the first chamber 2 . there is. Accordingly, the step (S20) of performing the first treatment process in the first chamber may be accomplished by performing the first treatment process by chemical vapor deposition using the mixed gas injected into the first chamber 2 . there is. Changing the direction of the gas so that the gas is supplied to the second chamber ( S30 ) may be performed by changing the direction of the mixed gas so that the mixed gas is supplied to the second chamber 3 . Accordingly, the step of performing the second treatment process in the second chamber ( S40 ) may be accomplished by performing a second treatment process by chemical vapor deposition using the mixed gas injected into the second chamber 3 . there is.

1 to 5 , in the substrate processing method according to the present invention, the first gas and the second gas are respectively supplied to the first chamber 2 and the second chamber 3 in a state in which they are not mixed. By being implemented to be so, it can be implemented so that a processing process by chemical vapor deposition (CVD) is performed. In this case, the substrate processing method according to the present invention can be implemented as follows.

First, the step (S10) of changing the direction of the gas so that the gas is supplied to the first chamber is performed in such a way that the first gas and the second gas are supplied to the first chamber 2 . This may be accomplished by changing the direction and the direction of the second gas. This means that the first changing unit 5a changes the direction of the first gas so that the first gas is supplied to the first chamber 2 , and the second gas is supplied to the first chamber 2 . The second changing unit 5b may change the direction of the second gas so as to be possible. Accordingly, the step of performing the first processing process in the first chamber ( S20 ) is performed by chemical vapor deposition (CVD) using the first gas and the second gas in the first chamber 2 . 1 It can be achieved by performing a treatment process.

Next, in the step of changing the direction of the gas so that the gas is supplied to the second chamber (S30), the first gas and the second gas are supplied to the second chamber 3 . This may be accomplished by changing the direction and the direction of the second gas. This means that the first changing unit 5a changes the direction of the first gas so that the first gas is supplied to the second chamber 3 , and the second gas is supplied to the second chamber 3 . The second changing unit 5b may change the direction of the second gas so as to be possible. Accordingly, performing the second processing process in the second chamber (S40) is performed by chemical vapor deposition (CVD) using the first gas and the second gas in the second chamber 3 . 2 It can be achieved by performing a treatment process.

Here, the substrate processing method according to the present invention may include supplying a purge gas to the first chamber (S50) and supplying the purge gas to the second chamber (S60).

The step (S50) of supplying the purge gas to the first chamber may be performed after the step (S20) of performing the first processing process in the first chamber. In the step of supplying the purge gas to the first chamber (S50), the third changing unit 5c performs the purge gas so that the purge gas of the third gas supply unit 4c is supplied to the first chamber 2 . This can be done by changing the direction of The step of supplying the purge gas to the first chamber (S50) includes changing the direction of the gas so that the gas is supplied to the second chamber (S30) and performing a second processing process in the second chamber. It may be performed while step S40 is being performed.

The step of supplying the purge gas to the second chamber (S60) may be performed after the step (S40) of performing the second treatment process in the second chamber. In the step of supplying the purge gas to the second chamber (S60), the third changing unit 5c performs the purge gas so that the purge gas of the third gas supply unit 4c is supplied to the second chamber 3 . This can be done by changing the direction of The step of supplying the purge gas to the second chamber (S60) includes changing the direction of the gas so that the gas is supplied to the first chamber (S10) and performing a first processing process in the first chamber. It may be performed while (S20) is made.

1 to 6 , in the substrate processing method according to the present invention, the first gas and the second gas are respectively supplied to the first chamber 2 and the second chamber 3 in a state in which they are not mixed. By being implemented so as to be possible, it may be implemented so that a processing process by atomic layer deposition (ALD) is performed. For example, in the substrate processing method according to the present invention, the first gas is alternately supplied to the first chamber 2 and the second chamber 3 , and the second gas is supplied to the first chamber 2 and It may be implemented to alternately supply to the second chamber 3 . The substrate processing method according to the present invention can be implemented as follows.

First, changing the direction of the gas so that the gas is supplied to the first chamber (S10) includes changing the direction of the first gas so that the first gas is supplied to the first chamber (S11) can do.

The step (S11) of changing the direction of the first gas so that the first gas is supplied to the first chamber is performed by the first changing unit 5a so that the first gas is supplied to the first chamber 2 This may be accomplished by changing the direction of the first gas. Accordingly, a first processing process using the first gas may be performed in the first chamber 2 (S21). When the first gas is the source gas, an adsorption process of adsorbing the source gas to the substrate may be performed in the first chamber 2 during the first processing process.

Next, changing the direction of the gas so that the gas is supplied to the second chamber (S30) includes changing the direction of the first gas so that the first gas is supplied to the second chamber (S31); and changing the direction of the second gas so that the second gas is supplied to the first chamber (S32).

The step (S31) of changing the direction of the first gas so that the first gas is supplied to the second chamber is performed by the first changing unit 5a so that the first gas is supplied to the second chamber 3 This may be accomplished by changing the direction of the first gas. Accordingly, a second treatment process using the first gas may be performed in the second chamber 3 ( S41 ). When the first gas is the source gas, an adsorption process of adsorbing the source gas to the substrate may be performed in the second chamber 3 during the second processing process.

Changing the direction of the second gas so that the second gas is supplied to the first chamber (S32) is performed by the second changing unit 5b so that the second gas is supplied to the first chamber 2 This may be accomplished by changing the direction of the second gas. Accordingly, a first processing process using the second gas may be performed in the first chamber 2 (S42). When the second gas is a reactive gas, a deposition process in which a thin film is deposited by reacting a source gas adsorbed on a substrate with a reactive gas during the first processing process may be performed in the first chamber 2 .

Changing the direction of the second gas so that the second gas is supplied to the first chamber (S32) and changing the direction of the first gas so that the first gas is supplied to the second chamber (S31) ) can be done simultaneously. Here, the simultaneous occurrence includes not only the case where each of the start time and the end time is exactly the same, but also the case where each of the start time and the end time is different within a predetermined range.

Here, the step of changing the direction of the gas so that the gas is supplied to the first chamber (S10) includes the step of changing the direction of the second gas so that the second gas is supplied to the second chamber (S12). may include

The step (S12) of changing the direction of the second gas so that the second gas is supplied to the second chamber is performed by the second changing unit 5b so that the second gas is supplied to the second chamber 3 This may be accomplished by changing the direction of the second gas. Accordingly, a second treatment process using the second gas may be performed in the second chamber 3 (S22). When the second gas is a reactive gas, a deposition process in which a thin film is deposited by reacting a source gas adsorbed on a substrate with a reactive gas during the second processing process may be performed in the second chamber 3 .

Changing the direction of the second gas so that the second gas is supplied to the second chamber (S12) and changing the direction of the first gas so that the first gas is supplied to the first chamber (S11) ) can be done simultaneously. Here, the simultaneous occurrence includes not only the case where each of the start time and the end time is exactly the same, but also the case where each of the start time and the end time is different within a predetermined range.

Meanwhile, at the initial stage of the process in which the substrates are loaded into the first chamber 2 and the second chamber 3, changing the direction of the first gas so that the first gas is supplied to the first chamber ( Only S11) is performed, and the step S12 of changing the direction of the second gas so that the second gas is supplied to the second chamber may not be performed. This is to perform a processing process on the substrate with the first gas first, and then perform a processing process on the substrate with the second gas.

Here, the step of supplying the purge gas to the first chamber (S50) and the step of supplying the purge gas to the second chamber (S60) may be implemented as follows.

The step of supplying the purge gas to the first chamber (S50) includes performing the first processing process using the first gas in the first chamber (S21) and the second chamber using the second gas. It may be performed after the step (S22) of performing the second treatment process is performed. In the step of supplying the purge gas to the first chamber (S50), the direction of the purge gas is changed so that the purge gas is supplied to the first chamber (S51), and the direction of the purge gas so that the purge gas is supplied to the second chamber (S51). It may include a step (S52) of changing the .

Changing the direction of the purge gas so that the purge gas is supplied to the first chamber (S51) includes the third changing unit so that the purge gas of the third gas supply unit 4c is supplied to the first chamber 2 (5c) can be achieved by changing the direction of the purge gas.

Changing the direction of the purge gas so that the purge gas is supplied to the second chamber (S52) includes the third changing unit so that the purge gas of the third gas supply unit 4c is supplied to the second chamber 3 (5c) can be achieved by changing the direction of the purge gas.

The step of changing the direction of the purge gas so that the purge gas is supplied to the second chamber (S52) may be performed after the step of changing the direction of the purge gas so that the purge gas is supplied to the first chamber (S51) is performed. there is. Accordingly, in the step of supplying the purge gas to the first chamber ( S50 ), the direction of the purge gas is changed so that the purge gas is alternately supplied to the first chamber 2 and the second chamber 3 . This can be done by On the other hand, after the step of changing the direction of the purge gas so that the purge gas is supplied to the second chamber (S52) is performed, the step of changing the direction of the purge gas so that the purge gas is supplied to the first chamber (S51) may be done The step of changing the direction of the purge gas so that the purge gas is supplied to the second chamber (S52) and the step of changing the direction of the purge gas so that the purge gas is supplied to the first chamber (S51) may be performed simultaneously.

The step of supplying the purge gas to the second chamber (S60) includes changing the direction of the first gas so that the first gas is supplied to the second chamber (S31) and the second gas is supplied to the first chamber It can be performed after the step (S32) of changing the direction of the second gas to be supplied to the The supplying of the purge gas to the second chamber (S60) includes changing the direction of the purge gas so that the purge gas is supplied to the first chamber (S61), and the direction of the purge gas so that the purge gas is supplied to the second chamber. It may include a step (S62) of changing the .

Changing the direction of the purge gas so that the purge gas is supplied to the first chamber (S61) includes the third changing unit so that the purge gas of the third gas supply unit 4c is supplied to the first chamber 2 (5c) can be achieved by changing the direction of the purge gas.

The step of changing the direction of the purge gas so that the purge gas is supplied to the second chamber (S62) is performed by the third changing unit so that the purge gas of the third gas supply unit 4c is supplied to the second chamber 3 . (5c) can be achieved by changing the direction of the purge gas.

Changing the direction of the purge gas so that the purge gas is supplied to the second chamber (S62) may be performed after the step (S61) of changing the direction of the purge gas so that the purge gas is supplied to the first chamber is performed. there is. Accordingly, in the step of supplying the purge gas to the second chamber ( S60 ), the direction of the purge gas is changed so that the purge gas is alternately supplied to the first chamber 2 and the second chamber 3 . This can be done by On the other hand, after the step (S62) of changing the direction of the purge gas so that the purge gas is supplied to the second chamber is performed, the step of changing the direction of the purge gas so that the purge gas is supplied to the first chamber (S61) may be done The step of changing the direction of the purge gas so that the purge gas is supplied to the second chamber (S62) and the step of changing the direction of the purge gas so that the purge gas is supplied to the first chamber (S61) may be performed simultaneously.

1, 3, and 8, the substrate processing method according to a modified embodiment of the present invention is to perform a processing process on the substrate. The substrate processing method according to the modified embodiment of the present invention may be performed by the above-described substrate processing apparatus 1 according to the present invention. A substrate processing method according to a modified embodiment of the present invention may include the following steps.

First, the first gas is supplied to the first chamber 2 (S100). This step (S100) may be accomplished by supplying the first gas of the first gas supply unit 4a to the first chamber 2 . In this case, the first changing unit 5a may change the direction of the first gas so that the first gas of the first gas supply unit 4a is supplied to the first chamber 2 . The first gas may be a source gas. Accordingly, an adsorption process using the source gas may be performed in the first chamber 2 .

Next, the first gas is supplied to the second chamber 3 and the third gas is supplied to the first chamber 2 ( S200 ). In this step (S200), the first gas supply unit (4a) supplies the first gas to the second chamber (3), and the third gas supply unit (4c) supplies the first gas to the first chamber (2). This may be accomplished by supplying the third gas. In this case, the first changing unit 5a may change the direction of the second gas so that the first gas of the first gas supply unit 4a is supplied to the second chamber 3 . The third changing unit 5c may change the direction of the third gas so that the third gas of the third gas supply unit 4c is supplied to the first chamber 2 . The third gas may be a purge gas. Accordingly, an adsorption process using the source gas may be performed in the second chamber 3 , and a purge process of purging the first gas may be performed in the first chamber 2 .

Next, the second gas is supplied to the first chamber 2 and the third gas is supplied to the second chamber 3 ( S300 ). In this step (S300), the second gas supply unit (4b) supplies the second gas to the first chamber (2), and the third gas supply unit (4c) supplies the second chamber (3) to the second chamber (3). This may be accomplished by supplying the third gas. In this case, the second changing unit 5b may change the direction of the second gas so that the second gas of the second gas supply unit 4b is supplied to the first chamber 2 . The third changing unit 5c may change the direction of the third gas so that the third gas of the third gas supply unit 4c is supplied to the second chamber 3 . The second gas may be a reaction gas. Accordingly, a deposition process using the reaction gas may be performed in the first chamber 2 , and a purge process of purging the first gas may be performed in the second chamber 3 .

Next, the second gas is supplied to the second chamber 3 and the third gas is supplied to the first chamber 2 (S400). In this step ( S400 ), the second gas supply unit 4b supplies the second gas to the second chamber 3 , and the third gas supply unit 4c enters the first chamber 2 . This may be accomplished by supplying the third gas. In this case, the second changing unit 5b may change the direction of the second gas so that the second gas of the second gas supply unit 4b is supplied to the second chamber 3 . The third changing unit 5c may change the direction of the third gas so that the third gas of the third gas supply unit 4c is supplied to the first chamber 2 . Accordingly, a deposition process using the reaction gas may be performed in the second chamber 3 , and a purge process of purging the second gas may be performed in the first chamber 2 .

Next, the third gas is supplied to the second chamber 3 (S500). This step ( S500 ) may be accomplished by the third gas supply unit ( 4c ) supplying the third gas to the second chamber ( 3 ). In this case, the third changing unit 5c may change the direction of the third gas so that the third gas of the third gas supply unit 4c is supplied to the second chamber 3 . Accordingly, a purge process of purging the second gas may be performed in the second chamber 3 .

On the other hand, at the initial stage of the process immediately after the substrate is loaded into each of the first chamber 2 and the second chamber 3, only the step of supplying the first gas to the first chamber (S100) is performed, and , gas may not be supplied to the second chamber 3 . And, at the end of the process immediately before the substrate is unloaded from each of the first chamber 2 and the second chamber 3, only the step S500 of supplying the third gas to the second chamber is performed. and gas may not be supplied to the first chamber 2 . In addition, in the middle of the process between the initial stage of the process and the end of the process, the step of supplying the first gas to the first chamber (S100) while the step of supplying the third gas to the second chamber (S500) is performed (S100) can be made In this case, a cycle in which the first gas, the third gas, the second gas, and the third gas are sequentially sprayed to the substrates positioned in the first chamber 2 and the second chamber 3 are repeatedly performed. can be

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and it is common in the technical field to which the present invention pertains that various substitutions, modifications and changes are possible within the scope without departing from the technical spirit of the present invention. It will be clear to those who have the knowledge of

1: substrate processing apparatus 2: first chamber
2a: first lead 20: first processing space
21: first gas injection part 22: first support part
3: second chamber 3a: second lead
30: second processing space 31: second gas injection unit
32: second support part 4: gas supply part
5: route change unit 6: control unit

Claims (15)

a first chamber in which a first processing process for the substrate is performed;
a second chamber in which a second processing process for the substrate is performed;
a first gas injection unit for injecting gas into the first chamber;
a second gas injection unit for injecting gas into the second chamber;
a gas supply unit for supplying gas; and
and a path change unit configured to change a direction of the gas so that the gas of the gas supply unit is supplied to the first gas injection unit and the second gas injection unit, respectively. According to claim 1,
The path change unit changes the direction of the gas to supply the gas to the first gas injection unit, and changes the direction of the gas to supply the gas to the second gas injection unit. According to claim 1,
The gas supply unit includes a first gas supply unit for supplying a first gas, and a second gas supply unit for supplying a second gas,
The path change unit is a first change unit for changing the direction of the first gas so that the first gas of the first gas supply unit is supplied to the first gas injection unit and the second gas injection unit, respectively, and the second and a second changing unit configured to change the direction of the second gas so that the second gas of the gas supply unit is supplied to the first gas injection unit and the second gas injection unit, respectively. 4. The method of claim 3,
The gas supply unit includes a third gas supply unit for supplying a purge gas,
The path changing unit comprises a third changing unit for changing the direction of the purge gas so that the purge gas of the third gas supply unit is supplied to the first gas injection unit and the second gas injection unit, respectively. Substrate processing equipment. 4. The method of claim 3,
The gas supply unit includes a third gas supply unit for supplying a purge gas,
The first changing unit changes the direction of the first gas and the direction of the purge gas,
and the second changing unit changes the direction of the second gas and the direction of the purge gas. A substrate processing method for performing a processing process on a substrate using a substrate processing apparatus having a first chamber in which a first processing process is performed on a substrate and a second chamber in which a second processing process is performed on the substrate,
changing the direction of the gas so that the gas of the gas supply unit is supplied to the first chamber;
performing the first processing process using the gas supplied to the first chamber;
changing the direction of the gas so that the gas of the gas supply unit is supplied to the second chamber; and
and performing the second processing process using the gas supplied to the second chamber. 7. The method of claim 6,
Changing the direction of the gas so that the gas of the gas supply unit is supplied to the first chamber and changing the direction of the gas so that the gas of the gas supply unit is supplied to the second chamber are alternately performed substrate processing method. 7. The method of claim 6,
The step of changing the direction of the gas so that the gas of the gas supply unit is supplied to the first chamber may include supplying the gas to the first chamber while blocking the gas supply to the second chamber. . 7. The method of claim 6,
The step of changing the direction of the gas so that the gas of the gas supply unit is supplied to the first chamber includes the direction of the first gas and the direction of the second gas so that the first gas and the second gas are supplied to the first chamber. change the
The step of changing the direction of the gas so that the gas of the gas supply unit is supplied to the second chamber includes the direction of the first gas and the direction of the second gas so that the first gas and the second gas are supplied to the second chamber. Substrate processing method, characterized in that by changing the direction of. 7. The method of claim 6,
supplying a purge gas to the first chamber after performing the first treatment process; and
and supplying the purge gas to the second chamber after performing the second processing process. A substrate processing method for performing a processing process on a substrate using a substrate processing apparatus having a first chamber in which a first processing process is performed on a substrate and a second chamber in which a second processing process is performed on the substrate,
changing the direction of the first gas so that the first gas of the first gas supply unit is supplied to the first chamber;
performing the first treatment process using a first gas in the first chamber;
The direction of the first gas is changed so that the first gas of the first gas supply unit is supplied to the second chamber, and the second gas of the second gas supply unit is supplied to the first chamber. changing direction; and
and performing the first processing process using a second gas in the first chamber and performing the second processing process using the first gas in the second chamber. 12. The method of claim 11,
changing the direction of the second gas so that the second gas of the second gas supply unit is supplied to the second chamber, and performing the second processing process using the second gas in the second chamber including,
Changing the direction of the second gas so that the second gas of the second gas supply unit is supplied to the second chamber includes the first gas so that the first gas of the first gas supply unit is supplied to the first chamber. is performed during the step of changing the direction of
The performing of the second processing process using the second gas in the second chamber is performed while the performing of the first processing process using the first gas is performed in the first chamber. Substrate processing method. 13. The method of claim 12,
After performing the first processing process using the first gas in the first chamber and performing the second processing process using the second gas in the second chamber, the purge gas is supplying the first chamber and the second chamber; and
After performing the first treatment process using the second gas in the first chamber and performing the second processing process using the first gas in the second chamber, the purge gas is and supplying the first chamber and the second chamber. A first chamber in which a first processing process is performed on the substrate, a second chamber in which a second processing process is performed on the substrate, a first gas supply unit supplying a first gas, a second gas supply unit supplying a second gas; and a substrate processing method for performing a processing process on a substrate using a substrate processing apparatus having a third gas supply unit for supplying a third gas,
supplying the first gas to the first chamber by the first gas supply unit;
supplying the first gas to the second chamber by the first gas supply unit, and supplying the third gas to the first chamber by the third gas supply unit;
supplying the second gas to the first chamber by the second gas supply unit, and supplying the third gas to the second chamber by the third gas supply unit;
supplying the second gas to the second chamber by the second gas supply unit, and supplying the third gas to the first chamber by the third gas supply unit; and
and supplying, by the third gas supply unit, the third gas to the second chamber. 15. The method of claim 14,
wherein the step of supplying the first gas to the first chamber by the first gas supply unit is performed while the step of supplying the third gas to the second chamber by the third gas supply unit is performed processing method.

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