Rotating Reactor Assembly for Depositing Film on Substrate
A rotating reactor assembly includes an injector rotor comprising a channel extending in a direction parallel to a rotational axis of the injector rotor and at least one injection hole connected to the channel; and an intake port through which a material is introduced. As the injector rotor rotates, the channel is timely and/or periodically connected to the intake port such that the material is injected to a substrate through the at least one injection hole.
1 . A rotating reactor assembly comprising:
an injector rotor configured to rotate about an axis, wherein at least one channel extending longitudinally along the injector rotor and at least one injection hole connected to the channel are formed in the injector rotor; and
a housing configured to mount the injector rotor and at least partially enclose the injection rotor, wherein at least one intake port for conveying a material is formed in the housing to connect to the at least one channel with rotation of the injector rotor, the material injected onto a substrate through an opening formed in the housing responsive to the at least one channel connected to the intake port.
2 . The rotating reactor assembly according to claim 1 , wherein a recess is formed in a circumference of the injector rotor, and wherein the at least one injection hole is disposed in the recess.
3 . The rotating reactor assembly according to claim 1 , wherein an intake opening connected to the channel is formed on a circumference of the injector rotor.
4 . The rotating reactor assembly according to claim 1 , wherein the at least one channel comprise a first channel and a second channel, and the at least one injection hole comprises at least one first injection hole connected to the first channel and at least one second injection hole connected to the second channel.
5 . The rotating reactor assembly according to claim 4 , wherein the at least one intake port comprises a first intake port through which a first material is introduced and a second intake port through which a second material is introduced, and wherein the first channel is connected to the first intake port and the second channel is connected to the second intake port periodically with rotation of the injector rotor.
6 . The rotating reactor assembly according to claim 5 , wherein the first channel is connected to the first intake port during a first period and the second channel is connected to the second intake port during a second period.
7 . The rotating reactor assembly according to claim 5 , wherein the first intake port and the second intake port are arranged in a direction perpendicular to the axis of the injector rotor.
8 . The rotating reactor assembly according to claim 7 , wherein the first channel and the first intake port are disposed at a first distance from the rotational axis of the injector rotor, and the second channel and the second intake port are disposed at a second distance from the rotational axis of the injector rotor, the first and second distances being different from each other.
9 . The rotating reactor assembly according to claim 4 , wherein a third channel extending longitudinally in the injector rotor and at least one third injection hole connected to the third channel are formed in the injector rotor, wherein a purge gas is injected onto the substrate through the at least one third injection hole.
10 . The rotating reactor assembly according to claim 1 , wherein the injector rotor is of a cylindrical shape.
11 . The rotating reactor assembly according to claim 1 , wherein a fourth channel for conveying a purge gas and at least one fourth injection hole connected to the fourth channel is formed in the housing.
12 . The rotating reactor assembly according to claim 1 , wherein the housing further comprises a plasma generator for injecting radicals generated by plasma to a region between the injector rotor and the housing.
13 . The rotating reactor assembly according to claim 1 , wherein at least one exhaust portion is formed in the housing to discharge materials from the rotating reactor assembly.
14 . The rotating reactor assembly according to claim 1 , further comprising
a cover on which the at least one intake port is formed; and
a conduit connected to the intake port for supply the material.
15 . The rotating reactor assembly according to claim 1 , wherein each of the at least one intake port has a shape of a hole or an arc.
16 . The rotating reactor assembly according to claim 1 , wherein the at least one intake port for conveying the material is connected to the at least one channel periodically.
17 . A method for depositing a film on a substrate, the method comprising:
conveying a material to an intake port formed in a housing;
rotating the injector rotor within the housing, the injector rotor having at least one channel for carrying the material;
connecting the at least one channel to the intake port responsive to the injector rotor rotating to a predetermined location; and
injecting the material onto a substrate through the intake port, the at least one channel and an opening formed in the housing and responsive to connecting the at least one channel to the intake port.
18 . The method according to claim 17 , further comprising injecting a purge gas onto the substrate through the opening formed in the housing.
19 . The method according to claim 17 , further comprising connecting an input port for carrying the purge gas to the at least one channel in injector rotor responsive to the injector rotor rotating to another predetermined location.
20 . The method according to claim 17 , further comprising, injecting radicals generated by plasma onto the substrate through the opening formed in the housing.
21 . The method according to claim 17 , wherein the at least one channel is connected to the intake port periodically.