JP5078286B2 - Mos型電界効果トランジスタ - Google Patents
Mos型電界効果トランジスタ Download PDFInfo
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- JP5078286B2 JP5078286B2 JP2006164278A JP2006164278A JP5078286B2 JP 5078286 B2 JP5078286 B2 JP 5078286B2 JP 2006164278 A JP2006164278 A JP 2006164278A JP 2006164278 A JP2006164278 A JP 2006164278A JP 5078286 B2 JP5078286 B2 JP 5078286B2
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- oxide film
- gate oxide
- field effect
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- 230000005669 field effect Effects 0.000 title claims description 27
- 239000004065 semiconductor Substances 0.000 claims description 40
- 239000000758 substrate Substances 0.000 claims description 29
- 230000015572 biosynthetic process Effects 0.000 claims description 20
- 230000015556 catabolic process Effects 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000005036 potential barrier Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
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- Insulated Gate Type Field-Effect Transistor (AREA)
Description
2 ドレイン領域
3 ソース領域
4 チャネル形成領域
5 ゲート酸化膜
6 ゲート電極
7 ソースオフセット領域
8 ソースゲート酸化膜
9 低濃度ドレイン領域
10 高耐圧用絶縁膜
11 ポテンシャル障壁
12 伝導帯
13 真性半導体のフェルミ準位
14 フェルミ準位
15 価電子帯
16 第2ゲート電極
17 第1ゲート酸化膜
18 第1ゲート電極
19 第2ゲート酸化膜
101 従来MOSトランジスタの室温環境におけるソースオフセット領域とチャネル形成領域界面のエネルギーバンド図
102 従来MOSトランジスタの高温環境におけるソースオフセット領域とチャネル形成領域界面のエネルギーバンド図
103 本発明実施形態の室温環境におけるソースオフセット領域とチャネル形成領域界面のエネルギーバンド図
104 本発明実施形態の高温環境におけるソースオフセット領域とチャネル形成領域界面のエネルギーバンド図
Claims (1)
- 第1導電型の半導体基板領域の表面に互いに間隔をおいて設けられた第2導電型のソース領域及びドレイン領域と、
前記ソース領域及び前記ドレイン領域との間の前記半導体基板領域に設けられたチャネル形成領域と、
前記チャネル形成領域に接して前記ドレイン領域の一部に設けられた低濃度ドレイン領域と、
前記チャネル形成領域と前記ソース領域との間に設けられた前記半導体基板領域よりも濃度の濃い第1導電型のソースオフセット領域と、
前記チャネル形成領域及び前記ソースオフセット領域の上に設けられた第1ゲート酸化膜と、
前記低濃度ドレイン領域の上に設けられた前記第1ゲート酸化膜より厚い高耐圧用絶縁膜と、
前記チャネル形成領域及び前記低濃度ドレイン領域の上に前記第1ゲート酸化膜及び前記高耐圧用絶縁膜を介して設けられた第1ゲート電極と、
前記第1ゲート電極の上に設けられた第2ゲート酸化膜と、
前記ソースオフセット領域及び前記第1ゲート電極の上に、前記第1ゲート酸化膜及び前記第2ゲート酸化膜をそれぞれ介して設けられた第2ゲート電極と、を有し、
前記第1ゲート電極をフローティングとしたMOS型電界効果トランジスタ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006164278A JP5078286B2 (ja) | 2006-06-14 | 2006-06-14 | Mos型電界効果トランジスタ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006164278A JP5078286B2 (ja) | 2006-06-14 | 2006-06-14 | Mos型電界効果トランジスタ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2007335548A JP2007335548A (ja) | 2007-12-27 |
| JP5078286B2 true JP5078286B2 (ja) | 2012-11-21 |
Family
ID=38934746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006164278A Expired - Fee Related JP5078286B2 (ja) | 2006-06-14 | 2006-06-14 | Mos型電界効果トランジスタ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5078286B2 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6513450B2 (ja) * | 2015-03-26 | 2019-05-15 | 三重富士通セミコンダクター株式会社 | 半導体装置 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4804666B2 (ja) * | 2001-08-10 | 2011-11-02 | オンセミコンダクター・トレーディング・リミテッド | 半導体装置の製造方法 |
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2006
- 2006-06-14 JP JP2006164278A patent/JP5078286B2/ja not_active Expired - Fee Related
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| Publication number | Publication date |
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| JP2007335548A (ja) | 2007-12-27 |
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