KR20130099074A - 스퍼터링 타겟 및 반도체 장치의 제작 방법 - Google Patents
스퍼터링 타겟 및 반도체 장치의 제작 방법 Download PDFInfo
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
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- 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
- H01L21/34—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 not provided for in groups H01L21/18, H10D48/04 and H10D48/07, with or without impurities, e.g. doping materials
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- H10D30/00—Field-effect transistors [FET]
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- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
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- H10D30/031—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT]
- H10D30/0312—Manufacture or treatment of FETs having insulated gates [IGFET] of thin-film transistors [TFT] characterised by the gate electrodes
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
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Abstract
Description
도 2(A) 및 도 2(B)는 스퍼터링 타겟의 상면을 도시한 도.
도 3(A) 내지 도 3(E)는 트랜지스터의 제작 방법의 일례를 도시한 단면도.
본 출원은 전문이 참조로서 본 명세서에 통합되고, 2010년 9월 3일 일본 특허청에 출원된, 일련 번호가 2010-197509인 일본 특허 출원에 기초한다.
Claims (16)
- 스퍼터링 타겟으로서,
산화물 반도체막을 형성하는 스퍼터링 타겟이고, 산화아연, 산화알루미늄, 산화갈륨, 산화인듐, 또는 산화주석으로부터 선택된 적어도 하나의 산화물의 소결체를 포함하고, SIMS으로 관측될 때 상기 소결체의 함유 알칼리 금속 농도가 5×1016cm-3 이하인 것을 특징으로 하는 스퍼터링 타겟. - 제 1 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 함유 수소 농도가 1×1019cm-3 이하인 것을 특징으로 하는 스퍼터링 타겟. - 제 1 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 나트륨의 농도는, 1×1016cm-3 이하인 것을 특징으로 하는 스퍼터링 타겟. - 제 1 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 나트륨의 농도는, 1×1015cm-3 이하인 것을 특징으로 하는 스퍼터링 타겟. - 제 1 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 리튬의 농도는, 5×1015cm-3 이하인 것을 특징으로 하는 스퍼터링 타겟. - 제 1 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 리튬의 농도는, 1×1015cm-3 이하인 것을 특징으로 하는 스퍼터링 타겟. - 제 1 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 칼륨의 농도는, 5×1015cm-3 이하인 것을 특징으로 하는 스퍼터링 타겟. - 제 1 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 칼륨의 농도는, 1×1015cm-3 이하인 것을 특징으로 하는 스퍼터링 타겟. - 반도체 장치의 제작 방법으로서,
기판 위에 도전막을 형성하는 단계;
게이트 전극을 형성하기 위해 상기 도전막을 에칭하는 단계;
상기 게이트 전극 위에 게이트 절연층을 형성하는 단계; 및
스퍼터링 타겟을 이용하는 스퍼터링법에 의해 상기 게이트 절연층 위에 산화물 반도체막을 형성하는 단계를 포함하고,
상기 스퍼터링 타겟은 산화아연, 산화알루미늄, 산화갈륨, 산화인듐, 또는 산화주석으로부터 선택된 적어도 하나의 산화물의 소결체를 포함하고, SIMS으로 관측될 때 상기 소결체의 함유 알칼리 금속 농도가 5×1016cm-3 이하인 것을 특징으로 하는 반도체 장치의 제작 방법. - 제 9 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 함유 수소 농도가 1×1019cm-3 이하인 것을 특징으로 하는 반도체 장치의 제작 방법. - 제 9 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 나트륨의 농도는, 1×1016cm-3 이하인 것을 특징으로 하는 반도체 장치의 제작 방법. - 제 9 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 나트륨의 농도는, 1×1015cm-3 이하인 것을 특징으로 하는 반도체 장치의 제작 방법. - 제 9 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 리튬의 농도는, 5×1015cm-3 이하인 것을 특징으로 하는 반도체 장치의 제작 방법. - 제 9 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 리튬의 농도는, 1×1015cm-3 이하인 것을 특징으로 하는 반도체 장치의 제작 방법. - 제 9 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 칼륨의 농도는, 5×1015cm-3 이하인 것을 특징으로 하는 반도체 장치의 제작 방법. - 제 9 항에 있어서,
SIMS으로 관측될 때 상기 소결체의 칼륨의 농도는, 1×1015cm-3 이하인 것을 특징으로 하는 반도체 장치의 제작 방법.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2010-197509 | 2010-09-03 | ||
| JP2010197509 | 2010-09-03 | ||
| PCT/JP2011/069100 WO2012029612A1 (en) | 2010-09-03 | 2011-08-18 | Sputtering target and method for manufacturing semiconductor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20130099074A true KR20130099074A (ko) | 2013-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020137007676A Ceased KR20130099074A (ko) | 2010-09-03 | 2011-08-18 | 스퍼터링 타겟 및 반도체 장치의 제작 방법 |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US8835214B2 (ko) |
| JP (3) | JP5789157B2 (ko) |
| KR (1) | KR20130099074A (ko) |
| TW (1) | TWI570808B (ko) |
| WO (1) | WO2012029612A1 (ko) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8894825B2 (en) | 2010-12-17 | 2014-11-25 | Semiconductor Energy Laboratory Co., Ltd. | Sputtering target, method for manufacturing the same, manufacturing semiconductor device |
| US9057126B2 (en) | 2011-11-29 | 2015-06-16 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing sputtering target and method for manufacturing semiconductor device |
| JP5795551B2 (ja) * | 2012-05-14 | 2015-10-14 | 富士フイルム株式会社 | 電界効果型トランジスタの製造方法 |
| JP2014027263A (ja) * | 2012-06-15 | 2014-02-06 | Semiconductor Energy Lab Co Ltd | 半導体装置およびその作製方法 |
| KR101389911B1 (ko) | 2012-06-29 | 2014-04-29 | 삼성디스플레이 주식회사 | 박막트랜지스터 및 이를 위한 산화아연계 스퍼터링 타겟 |
| CN104797736A (zh) * | 2012-06-29 | 2015-07-22 | 株式会社半导体能源研究所 | 溅射靶材的使用方法以及氧化物膜的制造方法 |
| JP5965338B2 (ja) * | 2012-07-17 | 2016-08-03 | 出光興産株式会社 | スパッタリングターゲット、酸化物半導体薄膜及びそれらの製造方法 |
| JP6134230B2 (ja) * | 2012-08-31 | 2017-05-24 | 株式会社神戸製鋼所 | 薄膜トランジスタおよび表示装置 |
| US8927985B2 (en) | 2012-09-20 | 2015-01-06 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
| JP6284710B2 (ja) * | 2012-10-18 | 2018-02-28 | 出光興産株式会社 | スパッタリングターゲット、酸化物半導体薄膜及びそれらの製造方法 |
| US9263531B2 (en) * | 2012-11-28 | 2016-02-16 | Semiconductor Energy Laboratory Co., Ltd. | Oxide semiconductor film, film formation method thereof, and semiconductor device |
| JP6141777B2 (ja) | 2013-02-28 | 2017-06-07 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
| JP6180908B2 (ja) * | 2013-12-06 | 2017-08-16 | 富士フイルム株式会社 | 金属酸化物半導体膜、薄膜トランジスタ、表示装置、イメージセンサ及びx線センサ |
| CN107919365B (zh) * | 2017-11-21 | 2019-10-11 | 深圳市华星光电半导体显示技术有限公司 | 背沟道蚀刻型tft基板及其制作方法 |
| TWI756535B (zh) * | 2019-04-15 | 2022-03-01 | 久盛光電股份有限公司 | 磁控濺鍍系統及磁控濺鍍方法 |
| JP7317282B2 (ja) * | 2019-07-19 | 2023-07-31 | 日新電機株式会社 | 薄膜トランジスタの製造方法 |
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-
2011
- 2011-08-18 WO PCT/JP2011/069100 patent/WO2012029612A1/en not_active Ceased
- 2011-08-18 KR KR1020137007676A patent/KR20130099074A/ko not_active Ceased
- 2011-08-30 US US13/221,252 patent/US8835214B2/en active Active
- 2011-08-30 JP JP2011187729A patent/JP5789157B2/ja active Active
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| US20150252465A1 (en) | 2015-09-10 |
| TW201230202A (en) | 2012-07-16 |
| US9410239B2 (en) | 2016-08-09 |
| US8980686B2 (en) | 2015-03-17 |
| US20120056176A1 (en) | 2012-03-08 |
| JP2017103462A (ja) | 2017-06-08 |
| WO2012029612A1 (en) | 2012-03-08 |
| US20140370653A1 (en) | 2014-12-18 |
| JP2015187312A (ja) | 2015-10-29 |
| JP5789157B2 (ja) | 2015-10-07 |
| TWI570808B (zh) | 2017-02-11 |
| JP2012072493A (ja) | 2012-04-12 |
| JP6397878B2 (ja) | 2018-09-26 |
| US8835214B2 (en) | 2014-09-16 |
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