Susceptor
The present disclosure relates to a susceptor, and a susceptor of the present disclosure may improve temperature uniformity over the entire area of the upper surface of the susceptor by arranging a heater pattern of a multilayer structure so that arcs thereof do not overlap or so that the straight sections of the heater are arranged at different angles with respect to the center in different layers, or by arranging the straight sections of the heater at different angles with respect to the center even in a heater pattern of a single-layer structure.
1. A susceptor comprising an insulating plate having a plurality of heater layers arranged thereon,
wherein the plurality of heater layers comprises: a first heater layer having a first pattern comprising a first resistance part and a first connection part connected between a first terminal pair; and a second heater layer having a second pattern comprising a second resistance part and a second connection part connected between a second terminal pair,
wherein one end of the first resistance part is connected to a first terminal of the first terminal pair, and the first connection part is configured to connect the other end of the first resistance part and a second terminal of the first terminal pair, and the other end of the first resistance part is an end of the first resistance part that is positioned diametrically further outward from a center of the insulating plate than the one end of the first resistance part,
one end of the second resistance part is connected to a first terminal of the second terminal pair, and the second connection part is configured to connect the other end of the second resistance part and a second terminal of the second terminal pair, the other end of the second resistance part is an end of the second resistance part that is positioned diametrically further outward from the center of the insulating plate than the one end of the second resistance part, and
wherein the first connection part and the second connection part extend in a diametric direction with respect to the center of the insulating plate, and each of the first connection part and the second connection part is arranged one by one between adjacent resistance part patterns.
2. The susceptor according to claim 1 ,
wherein each of the first resistance part and the second resistance part comprises a plurality of arcs extending in a circumferential direction and a plurality of bends configured to connect the arcs, and
wherein, when the arcs of the first resistance part and the arcs of the second resistance part are projected onto a plane of the insulating plate, the arcs of the second resistance part are arranged between the arcs of the first resistance part.
3. The susceptor according to claim 1 ,
wherein the first connection part and the second connection part are arranged at positions of radially different angles with respect to the center of the insulating plate.
4. The susceptor according to claim 1 ,
wherein the plurality of heater layers further comprises a third heater layer having a third pattern comprising a third resistance part and a third connection part connected between a third terminal pair,
wherein the third connection part is configured to connect an end of the third resistance part and any one terminal of the third terminal pair, and
wherein the third resistance part comprises a plurality of arcs extending in a circumferential direction and a plurality of bends configured to connect the arcs.
5. The susceptor according to claim 4 ,
wherein, when the arcs of the first resistance part, the arcs of the second resistance part, and the arcs of the third resistance part are projected onto a plane of the insulating plate, the arcs of the third resistance part are arranged between the arcs of the first resistance part and second resistance part.
6. The susceptor according to claim 4 ,
wherein the first connection part, the second connection part, and the third connection part are arranged at positions of radially different angles with respect to the center of the insulating plate.
7. The susceptor according to claim 1 ,
wherein the first pattern and the second pattern are arranged in one or more arrangement areas, which are divided into a same number of parts, respectively.
8. The susceptor according to claim 1 ,
wherein the first pattern and the second pattern are arranged in one or more arrangement areas, which are divided into different numbers of parts, respectively.
9. The susceptor according to claim 1 ,
wherein each of the first connection part and the second connection part comprises a connecting wire having a wave shape.
10. The susceptor according to claim 1 ,
wherein each of the first resistance part and the second resistance part comprises a plurality of arcs extending in a circumferential direction and a plurality of bends connecting the arcs,
wherein the first pattern and the second pattern are arranged in different arrangement areas without overlapping each other between layers, the plurality of arcs are symmetrical about the center, and the plurality of bends are symmetrical about the center, and
wherein the first connection part and the second connection part are arranged at positions of radially different angles with respect to the center.
11. The susceptor according to claim 10 ,
wherein two connection parts of the first heater layer are arranged at 180 degrees with each other in an outer diametric direction,
wherein two connection parts of the second heater layer are arranged at 180 degrees with each other in the outer diametric direction, and
wherein extension lines of two connection parts of the first heater layer and extension lines of two connection parts of the second heater layer are perpendicular to each other.
12. A susceptor comprising an insulating plate on which a heater is arranged,
wherein the heater comprises patterns arranged in a plurality of divided arrangement areas, respectively, on a same plane, each of the patterns comprising a resistance part and a connection part connected between a terminal pair,
wherein one end of the resistance part is connected to a first terminal of the terminal pair, and each connection part is configured to connect the other end of the resistance part and a second terminal of the terminal pair, and the other end of the resistance part is an end of the resistance part that is positioned diametrically further outward from a center of the insulating plate than the one end of the resistance part, and
wherein the connection parts extend in a diametric direction with respect to the center of the insulating plate and are arranged one by one between adjacent resistance part patterns.
13. The susceptor according to claim 12 ,
wherein the connection parts of the patterns are arranged at positions of radially different angles from each other with respect to the center of the insulating plate.
14. The susceptor according to claim 12 ,
wherein the connection part of each pattern comprises a connecting wire having a wave shape.