JP5931583B2 - 半導体装置の作製方法 - Google Patents
半導体装置の作製方法 Download PDFInfo
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- JP5931583B2 JP5931583B2 JP2012114777A JP2012114777A JP5931583B2 JP 5931583 B2 JP5931583 B2 JP 5931583B2 JP 2012114777 A JP2012114777 A JP 2012114777A JP 2012114777 A JP2012114777 A JP 2012114777A JP 5931583 B2 JP5931583 B2 JP 5931583B2
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- 239000004065 semiconductor Substances 0.000 title claims description 181
- 238000000034 method Methods 0.000 title claims description 21
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 239000000758 substrate Substances 0.000 claims description 50
- 238000010438 heat treatment Methods 0.000 claims description 12
- 229910002601 GaN Inorganic materials 0.000 claims description 7
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 claims description 7
- 229910052594 sapphire Inorganic materials 0.000 claims description 6
- 239000010980 sapphire Substances 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 287
- 239000004020 conductor Substances 0.000 description 59
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 49
- 239000011787 zinc oxide Substances 0.000 description 24
- 239000013078 crystal Substances 0.000 description 19
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 description 14
- 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
- 239000003990 capacitor Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000005498 polishing Methods 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 230000006386 memory function Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 238000002834 transmittance Methods 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052779 Neodymium Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
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- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Semiconductor Memories (AREA)
- Non-Volatile Memory (AREA)
- Thin Film Transistor (AREA)
Description
本実施の形態では、基板上に剥離層を介して酸化亜鉛を含む単結晶酸化物半導体層を形成し、当該剥離層を分解することにより、単結晶酸化物半導体層を含む半導体素子を基板から分離する工程を含む半導体装置の作製方法の一例を示す。
図を用いて本実施の形態を説明する。本実施の形態では、実施の形態1の方法で作成された半導体装置を含む半導体装置の一例として、メモリ機能有する半導体装置について説明する。
11 剥離層
12、13 下地層
14 酸化物半導体層
15、16 キャップ層
18 単結晶酸化物半導体層
20 素子層
21 トランジスタ
25〜27 導電層
28、29、31 絶縁層
30 配線層
32、33 導電体
35 レーザ光
36 Ga層
41〜43 半導体装置
51、52、55、56 導電体
53、54 導電層
60 配線層
61 絶縁層
62、63 導電体
200 半導体装置
210 メモリセルアレイ
211〜214 駆動回路
220 メモリセル
221、222 トランジスタ
223 容量素子
224 ノード
300 半導体装置
301 半導体基板
303 ウェル
304 不純物領域
305 ゲート絶縁層
306 ゲート電極層
310〜312 絶縁層
321〜323、331〜334、341〜344、351〜354 導電体
325〜329、335〜359 導電層
400 半導体装置
401 下地層
402 酸化物半導体層
410、411 絶縁層
421、422、431、432 導電層
451〜454 導電体
460 半導体装置
480 絶縁層
471〜474 導電体
481〜484 導電体
Claims (1)
- サファイア基板上にエピタキシャル成長によって窒化ガリウム層を形成し、
前記窒化ガリウム層上にエピタキシャル成長によって下地層を形成し、
前記下地層上に酸化物半導体層を形成し、
前記酸化物半導体層を熱処理によって単結晶化し、
前記酸化物半導体層を有する半導体素子を形成し、
前記窒化ガリウム層に前記サファイア基板側からレーザ光を照射し、前記窒化ガリウム層を熱分解させることで前記半導体素子と前記サファイア基板とを分離することを特徴とする半導体装置の作製方法。
Priority Applications (1)
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JP2012114777A JP5931583B2 (ja) | 2012-05-18 | 2012-05-18 | 半導体装置の作製方法 |
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JP2012114777A JP5931583B2 (ja) | 2012-05-18 | 2012-05-18 | 半導体装置の作製方法 |
Publications (3)
Publication Number | Publication Date |
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JP2013243216A JP2013243216A (ja) | 2013-12-05 |
JP2013243216A5 JP2013243216A5 (ja) | 2015-05-28 |
JP5931583B2 true JP5931583B2 (ja) | 2016-06-08 |
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JP2012114777A Expired - Fee Related JP5931583B2 (ja) | 2012-05-18 | 2012-05-18 | 半導体装置の作製方法 |
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JP (1) | JP5931583B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015233130A (ja) | 2014-05-16 | 2015-12-24 | 株式会社半導体エネルギー研究所 | 半導体基板および半導体装置の作製方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4164562B2 (ja) * | 2002-09-11 | 2008-10-15 | 独立行政法人科学技術振興機構 | ホモロガス薄膜を活性層として用いる透明薄膜電界効果型トランジスタ |
US7061014B2 (en) * | 2001-11-05 | 2006-06-13 | Japan Science And Technology Agency | Natural-superlattice homologous single crystal thin film, method for preparation thereof, and device using said single crystal thin film |
US7002179B2 (en) * | 2003-03-14 | 2006-02-21 | Rohm Co., Ltd. | ZnO system semiconductor device |
JP2004304166A (ja) * | 2003-03-14 | 2004-10-28 | Rohm Co Ltd | ZnO系半導体素子 |
JP4186076B2 (ja) * | 2004-08-09 | 2008-11-26 | 日亜化学工業株式会社 | 窒化物半導体基板の製造方法 |
JP2008060331A (ja) * | 2006-08-31 | 2008-03-13 | Rohm Co Ltd | 半導体発光素子 |
JP2011029238A (ja) * | 2009-07-21 | 2011-02-10 | Fujifilm Corp | 結晶性ホモロガス化合物層を含む積層体の製造方法及び電界効果型トランジスタ |
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