JP2000243974A5 - - Google Patents

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JP2000243974A5
JP2000243974A5 JP1999366281A JP36628199A JP2000243974A5 JP 2000243974 A5 JP2000243974 A5 JP 2000243974A5 JP 1999366281 A JP1999366281 A JP 1999366281A JP 36628199 A JP36628199 A JP 36628199A JP 2000243974 A5 JP2000243974 A5 JP 2000243974A5
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JP
Japan
Prior art keywords
gate insulating
insulating film
semiconductor device
boron element
film
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JP1999366281A
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Japanese (ja)
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JP4597295B2 (en
JP2000243974A (en
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Priority claimed from JP36628199A external-priority patent/JP4597295B2/en
Publication of JP2000243974A publication Critical patent/JP2000243974A/en
Publication of JP2000243974A5 publication Critical patent/JP2000243974A5/ja
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Description

【特許請求の範囲】
【請求項1】
ソース領域と、ドレイン領域と、前記ソース領域とドレイン領域の間に配置されたチャネル形成領域と、を有する半導体膜と、
前記半導体膜のチャネル形成領域に接して形成されたボロン元素を含む窒化珪素膜からなるゲート絶縁膜と、
前記ゲート絶縁膜に接して形成されたゲート電極と、を有することを特徴とする半導体装置。
【請求項2】
ソース領域と、ドレイン領域と、前記ソース領域とドレイン領域の間に配置されたチャネル形成領域と、を有する半導体膜と、
前記半導体膜のチャネル形成領域に接して形成された第1のゲート絶縁膜と、
前記第1のゲート絶縁膜に接して形成されたボロン元素を含む窒化珪素膜からなる第2のゲート絶縁膜と、
前記第2のゲート絶縁膜に接して形成されたゲート電極と、を有することを特徴とする半導体装置。
【請求項3】
請求項2において、
前記第1のゲート絶縁膜は積層構造を有することを特徴とする半導体装置。
【請求項4】
ソース領域と、ドレイン領域と、前記ソース領域とドレイン領域の間に配置されたチャネル形成領域と、を有する半導体膜を有する半導体装置であって、
絶縁表面を有する基板上に形成されたゲート電極と、
前記ゲート電極上に形成されたボロン元素を含む窒化珪素膜からなるゲート絶縁膜と、
前記ゲート絶縁膜上に形成された前記チャネル形成領域と、を有することを特徴とする半導体装置。
【請求項5】
ソース領域と、ドレイン領域と、前記ソース領域とドレイン領域の間に配置されたチャネル形成領域と、を有する半導体膜を有する半導体装置であって、
絶縁表面を有する基板上に形成されたゲート電極と、
前記ゲート電極上に形成されたボロン元素を含む窒化珪素膜からなる第1のゲート絶縁膜と、
前記第1のゲート絶縁膜上に形成された第2のゲート絶縁膜と、
前記第2のゲート絶縁膜上に形成された前記チャネル形成領域と、を有することを特徴とする半導体装置。
【請求項6】
ソース領域と、ドレイン領域と、前記ソース領域とドレイン領域の間に配置されたチャネル形成領域と、を有する半導体膜を有する半導体装置であって、
絶縁表面を有する基板上に形成されたゲート電極と、
前記ゲート電極上に形成されたボロン元素を含む窒化珪素膜からなる第1のゲート絶縁膜と、
前記第1のゲート絶縁膜上に形成された第2のゲート絶縁膜と、
前記第2のゲート絶縁膜上に形成された前記チャネル形成領域と、
前記チャネル形成領域上に形成されたボロン元素を含む窒化珪素膜からなる保護膜と、
を有することを特徴とする半導体装置。
【請求項7】
請求項5又は請求項6において、
前記第2のゲート絶縁膜は積層構造を有することを特徴とする半導体装置。
【請求項8】
請求項1乃至請求項7のいずれか一項において、
前記ボロン元素を含む窒化珪素膜中の前記ボロン元素の組成比率は0.1〜50atoms%であることを特徴とする半導体装置。
【請求項9】
請求項1乃至請求項7のいずれか一項において、
前記ボロン元素を含む窒化珪素膜中の前記ボロン元素の組成比率は0.1〜10atoms%であることを特徴とする半導体装置。
【請求項10】
絶縁表面を有する基板上にゲート電極を形成し、
前記ゲート電極上にボロン元素を含む窒化珪素膜からなるゲート絶縁膜を形成し、
前記ゲート絶縁膜上に半導体膜を形成することを特徴とする半導体装置の作製方
法。
【請求項11】
絶縁表面を有する基板上にゲート電極を形成し、
前記ゲート電極上にボロン元素を含む窒化珪素膜からなる第1のゲート絶縁膜を形成し、
前記第1のゲート絶縁膜上に第2のゲート絶縁膜を形成し、
前記第2のゲート絶縁膜上に半導体膜を形成することを特徴とする半導体装置の作製方法。
【請求項12】
請求項11において、
前記第2のゲート絶縁膜は積層構造を有することを特徴とする半導体装置の作製方法。
【請求項13】
絶縁表面を有する基板上に半導体膜を形成し、
前記半導体膜上にボロン元素を含む窒化珪素膜からなるゲート絶縁膜を形成し、
前記ゲート絶縁膜上にゲート電極を形成することを特徴とする半導体装置の作製方
法。
【請求項14】
絶縁表面を有する基板上に半導体膜を形成し、
前記半導体膜上に第1のゲート絶縁膜を形成し、
前記第1のゲート絶縁膜上にボロン元素を含む窒化珪素膜からなる第2のゲート絶縁膜を形成し、
前記第2のゲート絶縁膜上にゲート電極を形成することを特徴とする半導体装置の作製方法。
【請求項15】
請求項14において、
前記第1のゲート絶縁膜は積層構造を有することを特徴とする半導体装置の作製方法。
【請求項16】
請求項10乃至請求項15のいずれか一項において、
前記ボロン元素を含む窒化珪素膜中の前記ボロン元素の組成比率は0.1〜50atoms%であることを特徴とする半導体装置の作製方法。
【請求項17】
請求項10乃至請求項15のいずれか一項において、
前記ボロン元素を含む窒化珪素膜中の前記ボロン元素の組成比率は0.1〜10atoms%であることを特徴とする半導体装置の作製方法。
【請求項18】
請求項10乃至請求項17のいずれか一項において、
前記ボロン元素を含む窒化珪素膜は、前記ボロン元素を含むガスと不活性ガスとからなる雰囲気内において、半導体ターゲットを用いたスパッタリングを行うことにより形成することを特徴とする半導体装置の作製方法。
【請求項19】
請求項10乃至請求項17のいずれか一項において、
前記ボロン元素を含む窒化珪素膜は、前記ボロン元素を含むガスと不活性ガスとからなる雰囲気内において、
半導体ターゲットを用いて、前記ボロン元素の含有比率を連続的または段階的に変化させてスパッタリングを行うことにより形成することを特徴とする半導体装置の作製方法。




[Claims]
[Claim 1]
A semiconductor film having a source region, a drain region, and a channel forming region arranged between the source region and the drain region.
A gate insulating film made of a silicon nitride film containing a boron element formed in contact with the channel forming region of the semiconductor film, and a gate insulating film.
A semiconductor device comprising a gate electrode formed in contact with the gate insulating film.
2.
A semiconductor film having a source region, a drain region, and a channel forming region arranged between the source region and the drain region.
A first gate insulating film formed in contact with the channel forming region of the semiconductor film, and
A second gate insulating film made of a silicon nitride film containing a boron element formed in contact with the first gate insulating film, and a second gate insulating film.
A semiconductor device comprising a gate electrode formed in contact with the second gate insulating film.
3.
In claim 2,
A semiconductor device characterized in that the first gate insulating film has a laminated structure.
4.
A semiconductor device having a semiconductor film having a source region, a drain region, and a channel forming region arranged between the source region and the drain region.
A gate electrode formed on a substrate having an insulating surface and
A gate insulating film made of a silicon nitride film containing a boron element formed on the gate electrode and
A semiconductor device having the channel forming region formed on the gate insulating film.
5.
A semiconductor device having a semiconductor film having a source region, a drain region, and a channel forming region arranged between the source region and the drain region.
A gate electrode formed on a substrate having an insulating surface and
A first gate insulating film made of a silicon nitride film containing a boron element formed on the gate electrode, and a first gate insulating film.
The second gate insulating film formed on the first gate insulating film and
A semiconductor device having the channel forming region formed on the second gate insulating film.
6.
A semiconductor device having a semiconductor film having a source region, a drain region, and a channel forming region arranged between the source region and the drain region.
A gate electrode formed on a substrate having an insulating surface and
A first gate insulating film made of a silicon nitride film containing a boron element formed on the gate electrode, and a first gate insulating film.
The second gate insulating film formed on the first gate insulating film and
The channel forming region formed on the second gate insulating film and
A protective film made of a silicon nitride film containing a boron element formed on the channel forming region, and
A semiconductor device characterized by having.
7.
In claim 5 or 6,
A semiconductor device characterized in that the second gate insulating film has a laminated structure.
8.
In any one of claims 1 to 7,
A semiconductor device characterized in that the composition ratio of the boron element in the silicon nitride film containing the boron element is 0.1 to 50 atoms%.
9.
In any one of claims 1 to 7,
A semiconductor device characterized in that the composition ratio of the boron element in the silicon nitride film containing the boron element is 0.1 to 10 atoms%.
10.
A gate electrode is formed on a substrate having an insulating surface, and
A gate insulating film made of a silicon nitride film containing a boron element is formed on the gate electrode.
A method for manufacturing a semiconductor device, which comprises forming a semiconductor film on the gate insulating film.
Law.
11.
A gate electrode is formed on a substrate having an insulating surface, and
A first gate insulating film made of a silicon nitride film containing a boron element is formed on the gate electrode.
A second gate insulating film is formed on the first gate insulating film, and the second gate insulating film is formed.
A method for manufacturing a semiconductor device, which comprises forming a semiconductor film on the second gate insulating film.
12.
11.
A method for manufacturing a semiconductor device, wherein the second gate insulating film has a laminated structure.
13.
A semiconductor film is formed on a substrate having an insulating surface,
A gate insulating film made of a silicon nitride film containing a boron element is formed on the semiconductor film.
A method for manufacturing a semiconductor device, which comprises forming a gate electrode on the gate insulating film.
Law.
14.
A semiconductor film is formed on a substrate having an insulating surface,
A first gate insulating film is formed on the semiconductor film, and the first gate insulating film is formed.
A second gate insulating film made of a silicon nitride film containing a boron element is formed on the first gate insulating film.
A method for manufacturing a semiconductor device, which comprises forming a gate electrode on the second gate insulating film.
15.
In claim 14,
A method for manufacturing a semiconductor device, wherein the first gate insulating film has a laminated structure.
16.
In any one of claims 10 to 15,
A method for manufacturing a semiconductor device, wherein the composition ratio of the boron element in the silicon nitride film containing the boron element is 0.1 to 50 atoms%.
17.
In any one of claims 10 to 15,
A method for manufacturing a semiconductor device, wherein the composition ratio of the boron element in the silicon nitride film containing the boron element is 0.1 to 10 atoms%.
18.
In any one of claims 10 to 17,
A method for manufacturing a semiconductor device, characterized in that the silicon nitride film containing the boron element is formed by performing sputtering using a semiconductor target in an atmosphere composed of the gas containing the boron element and an inert gas.
19.
In any one of claims 10 to 17,
The silicon nitride film containing the boron element is placed in an atmosphere composed of the gas containing the boron element and the inert gas.
A method for manufacturing a semiconductor device, which comprises using a semiconductor target to continuously or stepwise change the content ratio of the boron element to perform sputtering.




JP36628199A 1998-12-25 1999-12-24 Semiconductor device and manufacturing method thereof Expired - Lifetime JP4597295B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP36628199A JP4597295B2 (en) 1998-12-25 1999-12-24 Semiconductor device and manufacturing method thereof

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP37017098 1998-12-25
JP10-370170 1998-12-25
JP36628199A JP4597295B2 (en) 1998-12-25 1999-12-24 Semiconductor device and manufacturing method thereof

Publications (3)

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JP2000243974A JP2000243974A (en) 2000-09-08
JP2000243974A5 true JP2000243974A5 (en) 2007-05-10
JP4597295B2 JP4597295B2 (en) 2010-12-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG148819A1 (en) * 2000-09-14 2009-01-29 Semiconductor Energy Lab Semiconductor device and manufacturing method thereof
US6509616B2 (en) * 2000-09-29 2003-01-21 Semiconductor Energy Laboratory Co., Ltd. Semiconductor device and its manufacturing method
JP3643067B2 (en) * 2001-10-11 2005-04-27 株式会社半導体エネルギー研究所 Method for designing semiconductor display device
CN101714546B (en) 2008-10-03 2014-05-14 株式会社半导体能源研究所 Display device and method for producing same
KR101882350B1 (en) 2009-10-09 2018-07-27 가부시키가이샤 한도오따이 에네루기 켄큐쇼 Display device

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JP2903134B2 (en) * 1990-11-10 1999-06-07 株式会社 半導体エネルギー研究所 Semiconductor device
JPH0818053A (en) * 1994-06-28 1996-01-19 Mitsubishi Electric Corp Film transistor and its manufacture
JP3420653B2 (en) * 1995-03-16 2003-06-30 株式会社東芝 Thin film transistor and liquid crystal display device

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