JP2020107720A - 気相成長装置及びこれに用いられるキャリア - Google Patents
気相成長装置及びこれに用いられるキャリア Download PDFInfo
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- 239000013078 crystal Substances 0.000 claims abstract description 45
- 230000002093 peripheral effect Effects 0.000 claims abstract description 44
- 235000012431 wafers Nutrition 0.000 claims description 272
- 238000003860 storage Methods 0.000 claims description 39
- 238000001947 vapour-phase growth Methods 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 21
- 239000000969 carrier Substances 0.000 claims description 7
- 238000007740 vapor deposition Methods 0.000 claims 1
- 239000010408 film Substances 0.000 description 35
- 239000007789 gas Substances 0.000 description 18
- 239000011261 inert gas Substances 0.000 description 17
- 239000012495 reaction gas Substances 0.000 description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 10
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 9
- 229910052710 silicon Inorganic materials 0.000 description 9
- 239000010703 silicon Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VXEGSRKPIUDPQT-UHFFFAOYSA-N 4-[4-(4-methoxyphenyl)piperazin-1-yl]aniline Chemical compound C1=CC(OC)=CC=C1N1CCN(C=2C=CC(N)=CC=2)CC1 VXEGSRKPIUDPQT-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
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Abstract
Description
複数の処理前のウェーハを、ウェーハ収納容器から、ファクトリインターフェース、ロードロック室及びウェーハ移載室を介して反応室へ順次搬送するとともに、
複数の処理後のウェーハを、前記反応室から、前記ウェーハ移載室、前記ロードロック室及び前記ファクトリインターフェースを介して前記ウェーハ収納容器へ順次搬送する気相成長装置であって、
前記ロードロック室は、第1ドアを介して前記ファクトリインターフェースと連通するとともに、第2ドアを介して前記ウェーハ移載室と連通し、
前記ウェーハ移載室は、ゲートバルブを介して、前記ウェーハにCVD膜を形成する前記反応室と連通し、
前記ウェーハ移載室には、前記ロードロック室に搬送されてきた処理前のウェーハをキャリアに搭載された状態で前記反応室に投入するとともに、前記反応室において処理を終えた処理後のウェーハをキャリアに搭載された状態で前記反応室から取り出して前記ロードロック室に搬送する第1ロボットが設けられ、
前記ファクトリインターフェースには、処理前のウェーハをウェーハ収納容器から取り出し、前記ロードロック室にて待機するキャリアに搭載するとともに、前記ロードロック室に搬送されてきた、キャリアに搭載された処理後のウェーハを、ウェーハ収納容器に収納する第2ロボットが設けられ、
前記ロードロック室には、キャリアを支持するホルダが設けられ、
前記反応室には、前記キャリアを支持するサセプタが設けられた気相成長装置において、
前記キャリアは、前記サセプタの上面に載置される底面と、前記ウェーハの裏面の外縁部に接触して支持する上面と、外周側壁面と、内周側壁面とを有する無端のリング状に形成され、
前記キャリア、又は前記キャリア及び前記サセプタは、前記上面の円周方向における構造又は形状が、前記ウェーハの円周方向における結晶方位に対応した関係を有する構造又は形状とされ、
前記処理前のウェーハは、前記処理前のウェーハの円周方向における結晶方位と、前記キャリア又は前記キャリア及び前記サセプタの円周方向における構造又は形状とが、前記対応した関係となるように前記キャリアに搭載される気相成長装置である。
前記キャリアを用いて、
複数の処理前のウェーハを、ウェーハ収納容器から、ファクトリインターフェース、ロードロック室及びウェーハ移載室を介して反応室へ順次搬送するとともに、
複数の処理後のウェーハを、前記反応室から、前記ウェーハ移載室、前記ロードロック室及び前記ファクトリインターフェースを介して前記ウェーハ収納容器へ順次搬送する気相成長装置用キャリアにおいて、
前記反応室のサセプタの上面に載置される底面と、前記ウェーハの裏面の外縁部に接触して支持する上面と、外周側壁面と、内周側壁面とを有する無端のリング状に形成されるとともに、前記上面の円周方向における構造又は形状が、前記ウェーハの円周方向における結晶方位に対応した関係を有する構造又は形状とされている気相成長装置用キャリアである。
11…反応炉
111…反応室
112…サセプタ
113…ガス供給装置
114…ゲートバルブ
115…キャリアリフトピン
12…ウェーハ移載室
121…第1ロボット
122…第1ロボットコントローラ
123…第1ブレード
13…ロードロック室
131…第1ドア
132…第2ドア
14…ファクトリインターフェース
141…第2ロボット
142…第2ロボットコントローラ
143…第2ブレード
15…ウェーハ収納容器
16…統括コントローラ
17…ホルダ
171…ホルダベース
172…第1ホルダ
173…第2ホルダ
174…ウェーハリフトピン
C…キャリア
C11…底面
C12…上面
C13…外周側壁面
C14…内周側壁面
WF…ウェーハ
Claims (6)
- ウェーハの外縁を支持するリング状のキャリアを備え、複数の当該キャリアを用いて、
複数の処理前のウェーハを、ウェーハ収納容器から、ファクトリインターフェース、ロードロック室及びウェーハ移載室を介して反応室へ順次搬送するとともに、
複数の処理後のウェーハを、前記反応室から、前記ウェーハ移載室、前記ロードロック室及び前記ファクトリインターフェースを介して前記ウェーハ収納容器へ順次搬送する気相成長装置であって、
前記ロードロック室は、第1ドアを介して前記ファクトリインターフェースと連通するとともに、第2ドアを介して前記ウェーハ移載室と連通し、
前記ウェーハ移載室は、ゲートバルブを介して、前記ウェーハにCVD膜を形成する前記反応室と連通し、
前記ウェーハ移載室には、前記ロードロック室に搬送されてきた処理前のウェーハをキャリアに搭載された状態で前記反応室に投入するとともに、前記反応室において処理を終えた処理後のウェーハをキャリアに搭載された状態で前記反応室から取り出して前記ロードロック室に搬送する第1ロボットが設けられ、
前記ファクトリインターフェースには、処理前のウェーハをウェーハ収納容器から取り出し、前記ロードロック室にて待機するキャリアに搭載するとともに、前記ロードロック室に搬送されてきた、キャリアに搭載された処理後のウェーハを、ウェーハ収納容器に収納する第2ロボットが設けられ、
前記ロードロック室には、キャリアを支持するホルダが設けられ、
前記反応室には、前記キャリアを支持するサセプタが設けられた気相成長装置において、
前記キャリアは、前記サセプタの上面に載置される底面と、前記ウェーハの裏面の外縁部に接触して支持する上面と、外周側壁面と、内周側壁面とを有する無端のリング状に形成され、
前記キャリア、又は前記キャリア及び前記サセプタは、前記上面の円周方向における構造又は形状が、前記ウェーハの円周方向における結晶方位に対応した関係を有する構造又は形状とされ、
前記処理前のウェーハは、前記処理前のウェーハの円周方向における結晶方位と、前記キャリア又は前記キャリア及び前記サセプタの円周方向における構造又は形状とが、前記対応した関係となるように前記キャリアに搭載される気相成長装置。 - 前記キャリア、又は前記キャリア及び前記サセプタは、前記上面の円周方向におけるザグリ深さが、前記ウェーハの円周方向における結晶方位に対応した深さとされている請求項1に記載の気相成長装置。
- 前記キャリア、又は前記キャリア及び前記サセプタは、前記上面の円周方向におけるポケット幅が、前記ウェーハの円周方向における結晶方位に対応したポケット幅とされている請求項1に記載の気相成長装置。
- ウェーハの外縁を支持するリング状のキャリアであって、
前記キャリアを用いて、
複数の処理前のウェーハを、ウェーハ収納容器から、ファクトリインターフェース、ロードロック室及びウェーハ移載室を介して反応室へ順次搬送するとともに、
複数の処理後のウェーハを、前記反応室から、前記ウェーハ移載室、前記ロードロック室及び前記ファクトリインターフェースを介して前記ウェーハ収納容器へ順次搬送する気相成長装置用キャリアにおいて、
前記反応室のサセプタの上面に載置される底面と、前記ウェーハの裏面の外縁部に接触して支持する上面と、外周側壁面と、内周側壁面とを有する無端のリング状に形成されるとともに、前記上面の円周方向における構造又は形状が、前記ウェーハの円周方向における結晶方位に対応した関係を有する構造又は形状とされている気相成長装置用キャリア。 - 前記キャリアは、前記上面の円周方向におけるザグリ深さが、前記ウェーハの円周方向における結晶方位に対応した深さとされている請求項3に記載の気相成長装置用キャリア。
- 前記キャリアは、前記上面の円周方向におけるポケット幅が、前記ウェーハの円周方向における結晶方位に対応したポケット幅とされている請求項3に記載の気相成長装置用キャリア。
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