KR20060112824A - Block heater for gas line - Google Patents

Block heater for gas line Download PDF

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KR20060112824A
KR20060112824A KR1020050035474A KR20050035474A KR20060112824A KR 20060112824 A KR20060112824 A KR 20060112824A KR 1020050035474 A KR1020050035474 A KR 1020050035474A KR 20050035474 A KR20050035474 A KR 20050035474A KR 20060112824 A KR20060112824 A KR 20060112824A
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South Korea
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gas line
heater
block
gas
temperature
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KR1020050035474A
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Korean (ko)
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KR100674476B1 (en
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임유동
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(주)티티에스
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    • 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
    • C23C16/455—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 characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
    • 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
    • H01L21/67017—Apparatus for fluid treatment
    • 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
    • H01L21/67242—Apparatus for monitoring, sorting or marking
    • H01L21/67248—Temperature monitoring

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)

Abstract

A block heater for a gas line is provided to improve a manufacturing yield of a semiconductor device by uniformly delivering temperature on an overall surface of the gas line. A block heater for a gas line includes a block(5), a heater(4), and a thermocouple(6). Liquid gas, which is vaporized at a predetermined temperature, flows in the gas line(3). The block is manufactured to suit to a shape of the gas line and encloses the gas line. The heater is formed inside the block and uniformly delivers constant heat to the gas line, such that the liquid gas is heated and vaporized inside the gas line. The thermocouple adjusts a melting temperature of the heater, which is arranged inside the block. The heater is made of mica. The temperature of the heater is adjusted between 20 and 250‹C by the thermocouple.

Description

가스라인용 블록히터{BLOCK HEATER FOR GAS LINE}Block Heater for Gas Line {BLOCK HEATER FOR GAS LINE}

도 1은 종래의 가스라인용 히터를 나타낸 도면.1 is a view showing a conventional gas line heater.

도 2는 본 발명의 일실시예에 따른 블록히터가 가스라인에 장착되는 상태를 나타낸 도면.2 is a view showing a state in which a block heater is mounted on a gas line according to an embodiment of the present invention.

도 3은 본 발명의 일실시예에 따른 블록히터가 가스라인 및 밸브에 장착되는 상태를 나타낸 도면.3 is a view showing a state in which the block heater is mounted on the gas line and the valve according to an embodiment of the present invention.

*도면의 주요부분에 대한 부호의 설명** Explanation of symbols for main parts of drawings *

3 : 가스라인 4 : 히터3: gas line 4: heater

5 : 블록 6 : 써모커플5: block 6: thermocouple

7 : 밸브7: valve

본 발명은 반도체장치의 금속 CVD(Chemical Vapor Deposition : 화학기상증착)공정에 있어서, 가스라인의 형상에 부합하도록 제조되어 그 내부에 운모 재질의 히터를 삽입한 알루미늄 블록을 가스라인에 장착한 기술에 관한 것이다. 이러한 본 발명은 가스라인 전체에 일정온도의 열을 균일하게 전달하여 가스라인내 액체 가스를 효율적으로 증발시키므로 반도체 제조효율을 향상시킬 수 있다.The present invention relates to a technology in which an aluminum block in which a mica heater is inserted in a metal CVD (chemical vapor deposition) process of a semiconductor device is manufactured to match the shape of a gas line and an mica heater is inserted therein. It is about. The present invention can uniformly transfer the heat of a certain temperature to the entire gas line to efficiently evaporate the liquid gas in the gas line can improve the semiconductor manufacturing efficiency.

반도체 제조의 CVD 공정은 증착공정을 수행하는 반응기에 연결된 가스라인내의 액체가스를 고온에서 증발시켜 이 증기를 반도체 소자 표면에 박막모양으로 응착시키는 공정을 일컫는다.The CVD process of semiconductor manufacturing refers to a process in which a liquid gas in a gas line connected to a reactor performing a deposition process is evaporated at a high temperature to deposit this vapor in a thin film on the surface of a semiconductor device.

따라서, 가스라인 전체에 걸쳐 얼마나 일정한 온도를 균일하게 전달하여 액체가스를 가열 증발시키느냐가 반도체 제조효율과 직결된다. 즉 온도조절이 정확히 이루어져야 우수한 반도체 제조가 가능한 것이다.Therefore, how to uniformly deliver a constant temperature throughout the gas line to heat and evaporate the liquid gas is directly related to the semiconductor manufacturing efficiency. In other words, the temperature control must be made correctly, it is possible to manufacture excellent semiconductor.

온도조절이 정확히 이루어지지 못하면 결국 가스라인내 액체가스도 불균일하게 가열되어 증발되므로 예를 들어 파티클(particle) 등의 불량이 발생하여 양품 생산에 문제가 발생한다. If temperature control is not carried out correctly, the liquid gas in the gas line is also unevenly heated and evaporated, so that a defect such as particles occurs, causing problems in the production of good products.

종래에는 도 1에 도시한 바와 같이 가스라인 가열을 위한 수단으로 고무히터인 가열밴드(1)를 사용하였다.In the related art, a heating band 1, which is a rubber heater, is used as a means for heating a gas line as shown in FIG.

반도체 제조공정시 이러한 가열밴드(1)를 가스라인(3) 표면의 운모판재(2)에 감고 세라믹 본드로 마감처리한 상태에서, 외부전원을 가열밴드(1)에 공급하면 가열밴드(1)에서 발열되는 일정온도의 열이 가스라인(3)에 전달되어 그 내부의 액체가스를 가열 증발시키며, 공정이 완료되면 가열밴드(1)를 가스라인(3)으로부터 해체하여 두었다가 추후 공정 진행시 재차 감아서 사용하는 방식을 취하고 있다.When the heating band 1 is wound on the mica plate 2 on the surface of the gas line 3 and finished with ceramic bonds in the semiconductor manufacturing process, when an external power source is supplied to the heating band 1, the heating band 1 Heat of a constant temperature generated by the heat is transferred to the gas line (3) to heat and evaporate the liquid gas therein.When the process is completed, the heating band (1) is dismantled from the gas line (3), and the process is performed again later. It's taking the form of a wrap.

그러나 이 같은 종래의 방식은 가열밴드(1)를 감는 사람 및 감는 조건 등에 따라 가스라인(3)에 전달되는 열효율이 다르게 된다. 즉 가열밴드(1)가 가스라인(3)에 정확하게 밀착되지 못한 상태로 감겨지거나 가스라인(3) 전체에 걸쳐 균일하게 감겨지지 않게 되면 가열밴드(1)로부터 발생되는 열이 가스라인(3) 전체에 걸쳐 균일하게 전달되지 못할 수 있으므로 결국 열손실이 발생하게 된다. However, in the conventional method, the thermal efficiency delivered to the gas line 3 varies depending on the person winding the heating band 1 and the winding conditions. That is, when the heating band 1 is wound in a state in which it is not closely adhered to the gas line 3 or is not evenly wound over the entire gas line 3, the heat generated from the heating band 1 is applied to the gas line 3. It may not be evenly distributed throughout, resulting in heat loss.

이 같은 현상은 결국 반도체 제조를 위해 가스라인(3)내에서 가열되는 액체가 균일하게 가열되지 못하는 현상을 초래하므로 비효율적인 증발을 야기하여 반도체 제조의 양품 생산이 불가능하게 되는 것이다. This phenomenon eventually leads to a phenomenon in which the liquid heated in the gas line 3 is not uniformly heated for the semiconductor manufacturing, resulting in inefficient evaporation, which makes the production of semiconductor products impossible.

따라서, 본 발명은 상기와 같은 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 반도체 장치의 금속 CVD공정에 있어서, 가스라인의 형상에 부합하도록 제조하여 그 내부에 운모 재질의 히터를 설치한 블록을 가스라인에 감싸듯이 장착함으로써 가스라인 전체에 걸쳐 균일한 온도가 전달되어 액체가스가 효율적으로 가열되도록 한 가스라인용 블록히터를 제공하는데 있다.Accordingly, the present invention is to solve the above problems, an object of the present invention in the metal CVD process of the semiconductor device, manufactured to match the shape of the gas line to the block provided with a mica heater inside the The present invention provides a block heater for a gas line in which a uniform temperature is transmitted throughout the gas line by being enclosed in a gas line so that the liquid gas is efficiently heated.

상기 목적을 달성하기 위한 본 발명의 가스라인용 블록히터는 반도체 제조를 위한 일정온도로 증발되는 액체가스가 흐르는 가스라인; 상기 가스라인의 형상에 부합하도록 제조되어 가스라인을 감싸도록 장착된 블록; 상기 블록내에 구성되어 상기 가스라인에 일정온도의 열을 전달함으로써 가스라인내 액체가스를 가열 증발시키도록 발열되는 히터; 및 상기 블록내에 설치된 히터의 발열온도를 조절하는 써 모커플로 구성된 것을 특징으로 한다.Block heater for a gas line of the present invention for achieving the above object is a gas line flowing liquid gas evaporated to a predetermined temperature for semiconductor manufacturing; A block manufactured to conform to the shape of the gas line and mounted to surround the gas line; A heater configured in the block to generate heat to evaporate the liquid gas in the gas line by transferring heat of a predetermined temperature to the gas line; And a thermocouple configured to adjust the heating temperature of the heater installed in the block.

본 발명의 상기 히터는 운모재질로 제조되며, 써모커플에 의해 20 ~ 250℃의 범위에서 온도조절되는 것을 특징으로 한다.The heater of the present invention is made of mica material, characterized in that the temperature is controlled in the range of 20 ~ 250 ℃ by the thermocouple.

본 발명의 상기 블록은 가볍고 내식성 및 내마모성에 강하도록 그 표면을 하드 아노다이징(hard anodizing)한 것을 특징으로 한다.The block of the present invention is characterized by hard anodizing its surface to be light and resistant to corrosion and abrasion resistance.

본 발명의 상기 히터(4)는 블록(5)의 길이에 비례하도록 블록(5)내에 설치된 것을 특징으로 한다.The heater 4 of the present invention is characterized in that it is installed in the block 5 so as to be proportional to the length of the block 5.

이하, 본 발명에 의한 실시예를 첨부한 도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

이해를 돕기 위해 종래와 동일한 구성부분은 동일한 부호를 명기한다.For the sake of understanding, the same components as in the related art are denoted by the same reference numerals.

도 2 및 도 3에 도시한 바와 같이 본 발명의 가스라인 가열용 블록히터는 반도체 제조를 위해 일정온도로 가열되어 증발되는 액체가스(Tic14, TMA, Ta2O5, MPA, D.I 등)가 흐르는 가스라인(3); 상기 가스라인(3)의 형상에 부합하도록 제조되어 가스라인(3)을 감싸도록 장착된 블록(5); 상기 블록(5)내에 구성되어 상기 가스라 인(3)에 일정온도의 열을 전달함으로써 가스라인(3)내 액체가스를 가열 증발시키도록 발열되는 히터(4); 및 상기 블록(5)내에 설치된 히터(4)의 발열온도를 조절하는 써모커플(6)로 구성된다. As shown in FIGS. 2 and 3, the block heater for heating a gas line of the present invention flows a liquid gas (Tic14, TMA, Ta 2 O 5 , MPA, DI, etc.) that is heated and evaporated to a predetermined temperature for semiconductor manufacturing. Gas line 3; A block 5 manufactured to match the shape of the gas line 3 and mounted to surround the gas line 3; A heater (4) configured in the block (5) to generate heat to evaporate the liquid gas in the gas line (3) by transferring heat of a predetermined temperature to the gas line (3); And a thermocouple 6 for adjusting the heat generation temperature of the heater 4 installed in the block 5.

상기 히터(4)는 운모재질을 사용하며, 상기 블록(5)은 원통형의 운모재질로 된 히터(4)를 밀폐하도록 제조되어 가스라인(3) 표면 이외의 곳으로 열이 새어나가는 것을 방지하고, 상기 가스라인(3)의 형상에 정확히 부합하도록 밀착 장착하여 가스라인(3) 전체에 걸쳐 균일하게 온도가 인가되도록 한다.The heater (4) uses a mica material, the block (5) is manufactured to seal the heater (4) made of cylindrical mica material to prevent heat from leaking outside the surface of the gas line (3) In close contact with the shape of the gas line 3, the temperature is uniformly applied to the entire gas line 3.

또한 상기 히터(4)는 써모커플(6)에 의해 20 ~ 250℃의 범위에서 온도조절이 가능하도록 구성되며, 가스라인(3)의 길이에 비례하도록 설치된다.In addition, the heater 4 is configured to enable the temperature control in the range of 20 ~ 250 ℃ by the thermocouple 6, it is installed in proportion to the length of the gas line (3).

또한 상기 블록(5)은 그 표면을 산화 알루미늄(Al2O3)으로 피막되도록 하드 아노다이징(hard anodizing) 처리함으로써 가볍고 내식성이 크며 극히 적은 유공성(有孔性)으로 여러 가지 염색이 가능할뿐만 아니라, 내식, 내마모성에 강하도록 한다.In addition, the block 5 is hard anodizing so that the surface is coated with aluminum oxide (Al 2 O 3 ), light, large corrosion resistance and extremely small porosity, and can be variously dyed. Resistant to corrosion and abrasion resistance.

이와 같이 구성된 본 발명은 반도체 제조를 위해 가스라인(3)내 액체가스를 가열하도록 상기 가스라인(3)의 형상에 부합 장착된 블록(5)내 히터(4)가 전원을 인가받아 일정온도로 발열된다.According to the present invention configured as described above, the heater 4 in the block 5 mounted in accordance with the shape of the gas line 3 to heat the liquid gas in the gas line 3 for semiconductor manufacturing is supplied to a predetermined temperature. Fever.

상기 히터(4)의 발열이 계속되어 가스라인(3) 전체에 균일하게 전달되면, 그 내부의 액체가스도 일정온도로 균일하게 가열되어 증발하게 된다. 이때, 상기 히터(4)의 발열온도는 써모커플(6)에 의해 제어되어 가스라인(3)내 액체가스의 종 류에 적합한 온도로 가열되도록 한다. When the heating of the heater 4 is continued and uniformly transmitted to the entire gas line 3, the liquid gas therein is also uniformly heated and evaporated to a predetermined temperature. At this time, the exothermic temperature of the heater 4 is controlled by the thermocouple 6 to be heated to a temperature suitable for the type of liquid gas in the gas line (3).

상기 히터(4)에서 발열되는 일정온도의 열이 블록(5)을 통해 가스라인(3)내 액체가스에 전달될 때 블록(5)이 히터(4)를 밀폐하여 열손실이 없도록 함과 동시에, 가스라인(3)의 형상에 정확히 부합하도록 밀착 장착됨으로써 히터(4)에서 발생되는 열이 가스라인(3) 전체에 걸쳐 균일하게 전달되어 내부의 액체가스 전체에도 균일하게 전달되므로 최적합한 상태로 액체가스를 가열하게 된다.When heat of a predetermined temperature generated by the heater 4 is transferred to the liquid gas in the gas line 3 through the block 5, the block 5 seals the heater 4 so that there is no heat loss. By being closely attached to the shape of the gas line 3, the heat generated from the heater 4 is uniformly transmitted throughout the gas line 3 and uniformly transmitted to the entire liquid gas therein. The liquid gas is heated.

본 발명은 특정한 실시예를 들어 설명하였으나 이에 한정하는 것은 아니며 본 발명의 기술적사상을 벗어나지 않는 범위내에서는 수정 및 변형실시가 가능함은 물론이다.The present invention has been described with reference to specific embodiments, but is not limited thereto, and modifications and variations may be made without departing from the technical spirit of the present invention.

상술한 바와 같이 본 발명에 의한 가스라인 가열용 블록히터에 따르면 다음과 같은 뛰어난 효과가 있다.As described above, the gas line heating block heater according to the present invention has the following excellent effects.

첫째, 액체가스가 흐르는 가스라인의 형상에 부합하도록 블록히터를 성형하여 가스라인에 밀착 장착하여 가스라인을 외부로부터 완전 차단함으로써 열손실을 줄임과 동시에 가스라인 전체에 걸쳐 일정온도가 균일하게 전달되어 액체가스를 가열 증발시킴으로써 반도체 제조효율을 향상시킬 수 있다.First, the block heater is formed to fit the shape of the gas line through which the liquid gas flows, and the block heater is closely attached to the gas line to completely block the gas line from the outside, thereby reducing heat loss and simultaneously transmitting a constant temperature throughout the gas line. By heating and evaporating the liquid gas, the semiconductor manufacturing efficiency can be improved.

둘째, 블록내에 구성된 히터의 온도조절이 써모커플에 의해 행해짐으로써 20 ~ 250℃ 범위에서 정밀한 온도 조절이 가능함과 동시에, 조절된 온도의 유지가 용 이하여 가스라인내 액체가스의 가열이 효율적으로 수행됨으로써 액체가스의 증발이 양호하게 된다.Second, the temperature control of the heater configured in the block is performed by the thermocouple, which enables precise temperature control in the range of 20 to 250 ° C, and facilitates the maintenance of the controlled temperature, thereby efficiently heating the liquid gas in the gas line. As a result, the evaporation of the liquid gas becomes good.

셋째, 블록 내부에 삽입된 히터를 외부로부터 밀폐하여 히터에서 발생된 열이 외부로 누출되는 것을 차단함으로써 써모커플에 의해 조절된 온도가 일정하게 유지되면서 가스라인에 전달되어 가스라인내 액체가스의 가열이 효율적으로 수행되도록 한다.Third, the heater inserted inside the block is sealed from the outside to prevent the heat generated from the heater from leaking to the outside, so that the temperature controlled by the thermocouple is kept constant and transferred to the gas line to heat the liquid gas in the gas line. This should be done efficiently.

Claims (4)

반도체 제조를 위해 일정온도로 증발되는 액체가스가 흐르는 가스라인(3); A gas line 3 through which a liquid gas evaporated to a predetermined temperature for semiconductor manufacturing; 상기 가스라인(3)의 형상에 부합하도록 제조되어 가스라인(3)을 감싸도록 장착된 블록(5); A block 5 manufactured to match the shape of the gas line 3 and mounted to surround the gas line 3; 상기 블록(5)내에 구성되어 상기 가스라인(3)에 일정온도의 열을 균일하게 전달함으로써 가스라인(3)내 액체가스를 가열 증발시키도록 발열되는 히터(4); 및 A heater (4) configured in the block (5) to generate heat to evaporate the liquid gas in the gas line (3) by uniformly transferring heat of a predetermined temperature to the gas line (3); And 상기 블록(5)내에 설치된 히터(4)의 발열온도를 조절하는 써모커플(6)로 구성된 것을 특징으로 하는 가스라인용 블록히터.Block heater for a gas line, characterized in that composed of a thermocouple (6) for controlling the heat generation temperature of the heater (4) installed in the block (5). 제1항에 있어서, 상기 히터(4)는 운모재질로 제조되며, 써모커플(6)에 의해 20 ~ 250℃의 범위에서 온도조절되는 것을 특징으로 하는 가스라인용 블록히터.The gas heater block heater according to claim 1, characterized in that the heater (4) is made of mica and is temperature controlled in the range of 20 to 250 ° C by the thermocouple (6). 제1항에 있어서, 상기 블록(5)은 가볍고 내식성 및 내마모성에 강하도록 그 표면을 하드 아노다이징(hard anodizing)한 것을 특징으로 하는 가스라인용 블록히터.2. The gas heater block heater according to claim 1, wherein the block (5) is hard anodizing its surface to be light and resistant to corrosion and abrasion resistance. 제1항에 있어서, 상기 히터(4)는 블록(5)의 길이에 비례하도록 설치된 것을 특징으로 하는 가스라인용 블록히터. 2. The gas heater block heater according to claim 1, wherein the heater (4) is installed in proportion to the length of the block (5).
KR1020050035474A 2005-04-28 2005-04-28 Block heater for gas line KR100674476B1 (en)

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