JP2009111373A - Soi基板の作製方法 - Google Patents
Soi基板の作製方法 Download PDFInfo
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- JP2009111373A JP2009111373A JP2008261507A JP2008261507A JP2009111373A JP 2009111373 A JP2009111373 A JP 2009111373A JP 2008261507 A JP2008261507 A JP 2008261507A JP 2008261507 A JP2008261507 A JP 2008261507A JP 2009111373 A JP2009111373 A JP 2009111373A
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- 229910008051 Si-OH Inorganic materials 0.000 description 2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/1262—Multistep manufacturing methods with a particular formation, treatment or coating of the substrate
- H01L27/1266—Multistep manufacturing methods with a particular formation, treatment or coating of the substrate the substrate on which the devices are formed not being the final device substrate, e.g. using a temporary substrate
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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- H—ELECTRICITY
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- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
- H01L21/2003—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy characterised by the substrate
- H01L21/2007—Bonding of semiconductor wafers to insulating substrates or to semiconducting substrates using an intermediate insulating layer
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- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76254—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along an ion implanted layer, e.g. Smart-cut, Unibond
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- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/66772—Monocristalline silicon transistors on insulating substrates, e.g. quartz substrates
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Abstract
【解決手段】表面に接合層が形成され、所定の深さに剥離層が形成された半導体基板と、歪点が700℃以下のベース基板とを用意し、半導体基板の表面とベース基板の表面とを対向させ、接合層の表面とベース基板とを接合し、加熱処理を行うことにより接合層を境として半導体基板の一部を分離させ、ベース基板上に単結晶半導体層を形成する工程を含み、ベース基板として、少なくとも加熱処理の前後において等方的に収縮する基板を用いる。
【選択図】図1
Description
本実施の形態では、SOI基板の作製方法の一例に関して図面を参照して説明する。
本実施の形態では、上記実施の形態と異なるSOI基板の作製方法に関して図面を参照して説明する。具体的には、表面に窒素含有層が設けられたベース基板と半導体基板とを貼り合わせる場合に関して説明する。
本実施の形態では、上記実施の形態で作製したSOI基板を用いて、半導体装置を作製する方法を説明する。
102 絶縁層
103 剥離層
104 窒素含有層
110 ベース基板
121 イオンビーム
122 単結晶半導体層
151 半導体層
152 半導体層
154 絶縁層
155 ゲート電極
156 ゲート電極
157 低濃度不純物領域
158 チャネル形成領域
159 高濃度不純物領域
160 チャネル形成領域
161 サイドウォール絶縁層
165 レジスト
167 高濃度不純物領域
168 絶縁層
169 層間絶縁層
170 配線
202 絶縁層
204 窒素含有層
301 マザーガラス
302 単結晶半導体層
310 形成領域
311 形成領域
312 信号線駆動回路形成領域
313 画素形成領域
320 単結晶半導体層
322 走査線
323 信号線
324 画素電極
325 TFT
327 層間絶縁膜
328 電極
329 柱状スペーサ
330 配向膜
332 対向基板
333 対向電極
334 配向膜
335 液晶層
340 チャネル形成領域
341 高濃度不純物領域
401 選択用トランジスタ
402 表示制御用トランジスタ
403 半導体層
404 半導体層
405 走査線
406 信号線
407 電流供給線
408 画素電極
410 電極
411 電極
412 ゲート電極
413 電極
427 層間絶縁膜
428 隔壁層
429 EL層
430 対向電極
431 対向基板
432 樹脂層
451 チャネル形成領域
452 高濃度不純物領域
500 マイクロプロセッサ
501 演算回路
502 演算回路制御部
503 命令解析部
504 制御部
505 タイミング制御部
506 レジスタ
507 レジスタ制御部
508 バスインターフェース
509 専用メモリ
510 メモリインターフェース
511 RFCPU
512 アナログ回路部
513 デジタル回路部
514 共振回路
515 整流回路
516 定電圧回路
517 リセット回路
518 発振回路
519 復調回路
520 変調回路
521 RFインターフェース
522 制御レジスタ
523 クロックコントローラ
524 CPUインターフェース
525 中央処理ユニット
526 ランダムアクセスメモリ
527 専用メモリ
528 アンテナ
529 容量部
530 電源管理回路
901 携帯電話機
902 表示部
903 操作スイッチ
911 デジタルプレーヤー
912 表示部
913 操作部
914 イヤホン
921 電子ブック
922 表示部
923 操作スイッチ
Claims (13)
- 表面に接合層が形成され、所定の深さに剥離層が形成された半導体基板と、歪点が700℃以下のベース基板とを用意し、
前記半導体基板の表面と前記ベース基板の表面とを対向させ、前記接合層の表面と前記ベース基板とを接合し、
熱処理を行うことにより前記接合層を境として前記半導体基板の一部を分離させ、前記ベース基板上に単結晶半導体層を形成する工程を含み、
前記ベース基板として、前記熱処理により等方的に収縮する基板を用いることを特徴とするSOI基板の作製方法。 - 表面に絶縁層が形成され、前記絶縁層上に接合層が形成され、所定の深さに剥離層が形成された半導体基板と、歪点が700℃以下のベース基板とを用意し、
前記半導体基板の表面と前記ベース基板の表面とを対向させ、前記接合層の表面と前記ベース基板とを接合し、
熱処理を行うことにより前記接合層を境として前記半導体基板の一部を分離させ、前記ベース基板上に単結晶半導体層を形成する工程を含み、
前記ベース基板として、前記熱処理により等方的に収縮する基板を用いることを特徴とするSOI基板の作製方法。 - 請求項2において、
前記絶縁層として、有機シランガスを用いて化学気相成長法により形成される酸化シリコン膜を用いることを特徴とするSOI基板の作製方法。 - 請求項1乃至請求項3のいずれか一項において、
前記接合層として、窒素含有層を用いることを特徴とするSOI基板の作製方法。 - 表面に接合層が形成され、所定の深さに剥離層が形成された半導体基板と、表面に絶縁層が形成され歪点が700℃以下のベース基板とを用意し、
前記半導体基板の表面と前記ベース基板の表面とを対向させ、前記接合層の表面と前記絶縁層の表面とを接合し、
熱処理を行うことにより前記接合層を境として前記半導体基板の一部を分離させ、前記ベース基板上に単結晶半導体層を形成する工程を含み、
前記ベース基板として、前記熱処理により等方的に収縮する基板を用いることを特徴とするSOI基板の作製方法。 - 請求項5において、
前記接合層として、有機シランガスを用いて化学気相成長法により形成される酸化シリコン膜を用い、
前記絶縁層として、窒素含有層を用いることを特徴とするSOI基板の作製方法。 - 請求項1乃至請求項6のいずれか一項において、
前記熱処理を、400℃以上700℃以下で行うことを特徴とするSOI基板の作製方法。 - 請求項1乃至請求項7のいずれか一項において、
前記ベース基板として、前記半導体基板と熱膨張係数が同等又は前記半導体基板より熱膨張係数が大きい基板を用いることを特徴とするSOI基板の作製方法。 - 請求項8において、
前記ベース基板の熱膨張係数を、前記半導体基板の熱膨張係数の0.85倍〜2.0倍とすることを特徴とするSOI基板の作製方法。 - 請求項8において、
前記半導体基板としてシリコン基板を用い、
前記ベース基板として熱膨張係数が、2.3×10−6〜5.0×10−6/℃である基板を用いることを特徴とするSOI基板の作製方法。 - 請求項1乃至請求項10のいずれか一項において、
前記ベース基板として、ガラス基板を用いることを特徴とするSOI基板の作製方法。 - 請求項11において、
前記ガラス基板として、表面が研磨されたものを用いることを特徴とするSOI基板の作製方法。 - 請求項11又は請求項12において、
前記ガラス基板として、表面粗さが0.3nm以下のものを用いることを特徴とするSOI基板の作製方法。
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Also Published As
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KR20090037363A (ko) | 2009-04-15 |
US8236668B2 (en) | 2012-08-07 |
KR101561855B1 (ko) | 2015-10-20 |
US20090098739A1 (en) | 2009-04-16 |
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