Semiconductor device

1. A semiconductor device, comprising:

a first stacked structure including first conductive layers and first insulating layers stacked alternately with each other;

first semiconductor patterns arranged in a first direction, wherein each of the first semiconductor patterns passes through the first stacked structure in a stacking direction;

a second stacked structure including second conductive layers and second insulating layers stacked alternately with each other;

second semiconductor patterns arranged in the first direction and adjacent to the first semiconductor patterns in a second direction crossing the first direction, wherein each of the second semiconductor patterns passes through the second stacked structure in the stacking direction;

a third stacked structure including air gaps and third insulating layers stacked alternately with each other and located between the first and second stacked structures;

at least one blocking pattern passing through the third stacked structure in the stacking direction and contacting the first and second stacked structures, and

a first slit insulating layer extending in the first direction,

wherein the first slit insulating layer is made of an insulating material and has a form of a film,

wherein the first stacked structure is located between the first slit insulating layer and the third stacked structure, and the first slit insulating layer has substantially the same height as the at least one blocking pattern, and

wherein the at least one blocking pattern is made of an insulating material.

2. The semiconductor device of claim 1 , wherein the at least one blocking pattern contacts at least one of the first and second semiconductor patterns.

3. The semiconductor device of claim 2 , wherein the first and second semiconductor patterns include a channel layer and a dummy channel layer, and

wherein the at least one blocking pattern contacts the dummy channel layer.

4. The semiconductor device of claim 1 , wherein the first conductive layers are electrically coupled to the second conductive layers, respectively.

5. The semiconductor device of claim 1 , wherein the first insulating layers are coupled to the second and third insulating layers, respectively.

6. The semiconductor device of claim 1 , wherein a first distance between the first semiconductor patterns adjacent to each other in the first direction is smaller than a second distance between the first and second semiconductor patterns adjacent to each other in the second direction, and

wherein a third distance between the second semiconductor patterns adjacent to each other in the first direction is smaller than the second distance.

7. The semiconductor device of claim 6 , wherein the at least one blocking pattern contacts the first and second semiconductor patterns which are adjacent to each other in the second direction.

8. The semiconductor device of claim 1 , further comprising:

a second slit insulating layer extending in the first direction,

wherein the second slit insulating layer is made of an insulating material and has a form of a film, and

wherein the second stacked structure is located between the second slit insulating layer and the third stacked structure and the second slit insulating layer has substantially the same height as the blocking pattern.

9. A semiconductor device, comprising:

a first stacked structure including first conductive layers and first insulating layers stacked alternately with each other;

first semiconductor patterns arranged in a first direction, wherein each of the first semiconductor patterns passes through the first stacked structure in a stacking direction;

a second stacked structure including second conductive layers and second insulating layers stacked alternately with each other;

second semiconductor patterns arranged in the first direction and adjacent to the first semiconductor patterns in a second direction crossing the first direction, wherein each of the second semiconductor patterns passes through the second stacked structure in the stacking direction;

a third stacked structure including air gaps and third insulating layers stacked alternately with each other and located between the first and second stacked structures;

at least one blocking pattern passing through the third stacked structure in the stacking direction and contacting the first and second stacked structures;

a first slit insulating layer extending in the first direction, wherein the first slit insulating layer is made of an insulating material and has a form of a film; and

a second slit insulating layer extending in the first direction, wherein the second slit insulating layer is made of an insulating material and has a form of a film,

wherein the first stacked structure is located between the first slit insulating layer and the third stacked structure, and the second stacked structure is located between the second slit insulating layer and the third stacked structure,

wherein the first and second slit insulating layers have substantially the same height as the at least one blocking pattern, and

wherein the at least one blocking pattern is made of an insulating material.

10. A semiconductor device, comprising:

a stacked structure including conductive layers and insulating layers stacked alternately with each other;

channel patterns passing through the stacked structure in a stacking direction;

dummy channel patterns passing through the stacked structure in the stacking direction;

first air gaps located between the channel patterns in the stacked structure and alternately stacked with the insulating layers;

second air gaps located between the dummy channel patterns in the stacked structure and alternately stacked with the insulating layers;

a blocking pattern passing through the stacked structure in the stacking direction and isolating the first air gaps from the second air gaps; and

a slit insulating layer passing through the stacked structure in the stacking direction and located between the channel patterns and between the dummy channel patterns, wherein the slit insulating layer is made of an insulating material and has a form of a film,

wherein the slit insulating layer has substantially the same height as the blocking pattern,

wherein the at least one blocking pattern is made of an insulating material, and

wherein the channel patterns and the dummy channel patterns include a semiconductor material.

11. The semiconductor device of claim 10 , wherein the blocking pattern contacts at least one of the channel patterns and at least one of the dummy channel patterns next to each other.

12. The semiconductor device of claim 10 , wherein a cell region and a contact region are defined in the stacked structure, and the channel patterns, the dummy channel patterns, the first air gaps and the second air gaps are located at the cell region.

13. The semiconductor device of claim 12 , wherein the dummy channel patterns are nearer to the contact region than the channel patterns.

14. The semiconductor device of claim 12 , wherein the second air gaps are nearer to the contact region than the first air gaps.

15. The semiconductor device of claim 10 , wherein each of the second air gaps is interposed between an upper insulating layer and a lower insulating layer so that a lower surface of the upper insulating layer and an upper surface of a lower insulating layer are exposed in the same second air gap.

16. The semiconductor device of claim 1 , wherein a lower surface of the upper third insulating layer and an upper surface of the lower third insulating layer are exposed in the same air gap.

17. The semiconductor device of claim 1 , wherein the first slit insulating layer is a support body.

18. The semiconductor device of claim 9 , wherein each of the first and second slit insulating layers is a support body.

19. The semiconductor device of claim 10 , wherein the slit insulating layer is a support body.