JP2012114422A - 半導体装置及び半導体記憶装置 - Google Patents
半導体装置及び半導体記憶装置 Download PDFInfo
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- JP2012114422A JP2012114422A JP2011238450A JP2011238450A JP2012114422A JP 2012114422 A JP2012114422 A JP 2012114422A JP 2011238450 A JP2011238450 A JP 2011238450A JP 2011238450 A JP2011238450 A JP 2011238450A JP 2012114422 A JP2012114422 A JP 2012114422A
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Abstract
【解決手段】一対の不純物領域を有する第1の半導体層152aと、第1の半導体層と同じ材料であり、第1の半導体層と離間する第2の半導体層152bと、第1、第2の半導体層の上に設けられた第1の絶縁層153と、第1の絶縁層153を介して第1の半導体層に重畳する第1の導電層154と、第1の絶縁層153を介して第1の導電層に重畳し、第1の半導体層と異なる材料である第3の半導体層156と、第1の導電層及び第3の半導体層に電気的に接続される第2の導電層157bと、第3の半導体層156に電気的に接続され、第2の導電層と同じ材料である第3の導電層157aと、第3の半導体層、第2の導電層、及び第3の導電層の上に設けられた第2の絶縁層158と、第2の絶縁層を介して第3の半導体層に重畳する第4の導電層159と、を含む。
【選択図】図1
Description
本実施の形態では、一定期間データを記憶することが可能な記憶回路を具備する半導体装置の例について説明する。
本実施の形態では、上記実施の形態における半導体装置の一例として、NOR型の半導体記憶装置の例について説明する。
本実施の形態では、上記実施の形態における半導体装置の一例として、NAND型の半導体記憶装置の例について説明する。
本実施の形態では、上記実施の形態の半導体記憶装置におけるゲート線駆動回路の構成例について説明する。
本実施の形態では、半導体記憶装置の構成例について説明する。
本実施の形態では、上記実施の形態における半導体記憶装置を備えた電子機器の例について説明する。
112 トランジスタ
130 曲線
131 曲線
150 基板
151 絶縁層
152a 半導体層
152b 半導体層
153 絶縁層
154 導電層
155 絶縁層
156 半導体層
157a 導電層
157b 導電層
158 絶縁層
159 導電層
200 メモリセル
211 トランジスタ
212 トランジスタ
213 容量素子
242 半導体層
242a 半導体層
242b 半導体層
250 基板
251 絶縁層
252a 半導体層
252b 半導体層
253 絶縁層
254 導電層
255 絶縁層
256 半導体層
257a 導電層
257b 導電層
258 絶縁層
259a 導電層
259b 導電層
260 絶縁層
261 導電層
300 メモリセル
301 トランジスタ
302 トランジスタ
311 トランジスタ
312 トランジスタ
313 容量素子
342 半導体層
342a 半導体層
342b 半導体層
350 基板
351 絶縁層
352a 半導体層
352b 半導体層
353 絶縁層
354 導電層
355 絶縁層
356 半導体層
357a 導電層
357b 導電層
358 絶縁層
359a 導電層
359b 導電層
360 絶縁層
361 導電層
511 トランジスタ
512 容量素子
811 メモリセル
812 メモリセルアレイ
813 回路
1001a 筐体
1001b 筐体
1001c 筐体
1001d 筐体
1002a 表示部
1002b 表示部
1002c 表示部
1002d 表示部
1003a 側面
1003b 側面
1003c 側面
1003d 側面
1004 筐体
1005 表示部
1006 軸部
1007 側面
1008 甲板部
Claims (8)
- 第1のゲート及び第2のゲートを有する第1のトランジスタ、並びに第2のトランジスタを備える記憶回路を具備し、
前記記憶回路は、
導電型を付与する不純物元素を含有する一対の不純物領域を有し、前記第2のトランジスタのチャネル形成層としての機能を有する第1の層と、
前記第1の層と同時に形成され且つ同じ材料であり、前記第1の層と離間し、前記不純物元素を含有し、前記第1のトランジスタの前記第2のゲートとしての機能を有する第2の層と、
前記第1の層及び前記第2の層の上に設けられ、前記第2のトランジスタのゲート絶縁層としての機能を有する第1の絶縁層と、
前記第1の絶縁層を介して前記第1の層に重畳し、前記第2のトランジスタのゲートとしての機能を有する第1の導電層と、
前記第1の絶縁層を介して前記第2の層に重畳し、前記第1の層と異なる材料であり、前記第1のトランジスタのチャネル形成層としての機能を有する半導体層と、
前記半導体層に電気的に接続され、前記第1のトランジスタのソース及びドレインの一方としての機能を有する第2の導電層と、
前記第1の導電層及び前記半導体層に電気的に接続され、前記第1のトランジスタのソース及びドレインの他方としての機能を有する第3の導電層と、
前記半導体層、前記第2の導電層、及び前記第3の導電層の上に設けられ、前記第1のトランジスタのゲート絶縁層としての機能を有する第2の絶縁層と、
前記第2の絶縁層を介して前記半導体層に重畳し、前記第1のトランジスタの前記第1のゲートとしての機能を有する第4の導電層と、を含む半導体装置。 - 請求項1において、
前記第1の層及び前記第2の層は、シリコンを含む層であり、
前記半導体層は、酸化物半導体層である半導体装置。 - 請求項1又は請求項2において、
前記第3の導電層は、前記第1の導電層に接する半導体装置。 - I行(Iは2以上の自然数)J列(Jは自然数)に配列され、第1のゲート及び第2のゲートを有する第1のトランジスタ、並びに第2のトランジスタをそれぞれが備える複数のメモリセルを具備し、
前記メモリセルは、
それぞれ導電型を付与する不純物元素を含有する一対の不純物領域を有し、前記第2のトランジスタのチャネル形成層としての機能を有する第1の層と、
前記第1の層と同時に形成され且つ同じ材料であり、前記第1の層と離間し、前記不純物元素を含有し、前記第1のトランジスタの前記第2のゲートとしての機能を有する第2の層と、
前記第1の層及び前記第2の層の上に設けられ、前記第2のトランジスタのゲート絶縁層としての機能を有する第1の絶縁層と、
前記第1の絶縁層を介して前記第1の層に重畳し、前記第2のトランジスタのゲートとしての機能を有する第1の導電層と、
前記第1の絶縁層を介して前記第2の層に重畳し、前記第1の層と異なる材料であり、前記第1のトランジスタのチャネル形成層としての機能を有する半導体層と、
前記半導体層に電気的に接続され、前記第1のトランジスタのソース及びドレインの一方としての機能を有する第2の導電層と、
前記第1の導電層及び前記半導体層に電気的に接続され、前記第1のトランジスタのソース及びドレインの他方としての機能を有する第3の導電層と、
前記半導体層、前記第2の導電層、及び前記第3の導電層の上に設けられ、前記第1のトランジスタのゲート絶縁層としての機能を有する第2の絶縁層と、
前記第2の絶縁層を介して前記半導体層に重畳し、前記第1のトランジスタの前記第1のゲートとしての機能を有する第4の導電層と、
前記第2の絶縁層及び前記第4の導電層の上に設けられた第3の絶縁層と、
前記第1の絶縁層乃至前記第3の絶縁層を貫通して設けられた第1の開口部を介して前記第1の層における一対の不純物領域の一方に電気的に接続され、前記第2の絶縁層及び前記第3の絶縁層を貫通して設けられた第2の開口部を介して第3の導電層に電気的に接続された第5の導電層と、を含む半導体記憶装置。 - I行(Iは2以上の自然数)J列(Jは自然数)に配列され、第1のゲート及び第2のゲートを有する第1のトランジスタ、並びに第2のトランジスタをそれぞれが備える複数のメモリセルを具備し、
前記メモリセルは、
それぞれ導電型を付与する不純物元素を含有する一対の不純物領域を有し、前記第2のトランジスタのチャネル形成層としての機能を有する第1の層と、
前記第1の層と同時に形成され且つ同じ材料であり、前記第1の層と離間し、前記不純物元素を含有し、前記第1のトランジスタの前記第2のゲートとしての機能を有する第2の層と、
前記第1の層及び前記第2の層の上に設けられ、前記第2のトランジスタのゲート絶縁層としての機能を有する第1の絶縁層と、
前記第1の絶縁層を介して前記第1の層に重畳し、前記第2のトランジスタのゲートとしての機能を有する第1の導電層と、
前記第1の絶縁層を介して前記第2の層に重畳し、前記第1の層と異なる材料であり、前記第1のトランジスタのチャネル形成層としての機能を有する半導体層と、
前記半導体層に電気的に接続され、前記第1のトランジスタのソース及びドレインの一方としての機能を有する第2の導電層と、
前記第1の導電層及び前記半導体層に電気的に接続され、前記第1のトランジスタのソース及びドレインの他方としての機能を有する第3の導電層と、
前記半導体層、前記第2の導電層、及び前記第3の導電層の上に設けられ、前記第1のトランジスタのゲート絶縁層としての機能を有する第2の絶縁層と、
前記第2の絶縁層を介して前記半導体層に重畳し、前記第1のトランジスタの前記第1のゲートとしての機能を有する第4の導電層と、を含み、
同じ列に配置されるメモリセルにおいて、前記第1の層は、同じ層である半導体記憶装置。 - 請求項5において、
前記同じ列に配置されるメモリセルにおいて、k行目(kは2以上I以下の自然数)のメモリセルの前記第2の導電層は、k−1行目のメモリセルの半導体層に電気的に接続される半導体記憶装置。 - 請求項4乃至請求項6のいずれか一項において、
前記第1の層及び前記第2の層は、シリコンを含む層であり、
前記半導体層は、酸化物半導体層である半導体記憶装置。 - 請求項4乃至請求項7のいずれか一項において、
前記第3の導電層は、前記第1の導電層に接する半導体記憶装置。
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CN103201831A (zh) | 2013-07-10 |
US8604476B2 (en) | 2013-12-10 |
JP6257713B2 (ja) | 2018-01-10 |
KR20130118893A (ko) | 2013-10-30 |
WO2012060202A1 (en) | 2012-05-10 |
CN103201831B (zh) | 2015-08-05 |
JP5312705B1 (ja) | 2013-10-09 |
TW201250931A (en) | 2012-12-16 |
JP2017022383A (ja) | 2017-01-26 |
US20120112191A1 (en) | 2012-05-10 |
KR101952733B1 (ko) | 2019-02-27 |
JP2013219363A (ja) | 2013-10-24 |
TWI567872B (zh) | 2017-01-21 |
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