JP2013102145A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2013102145A JP2013102145A JP2012224978A JP2012224978A JP2013102145A JP 2013102145 A JP2013102145 A JP 2013102145A JP 2012224978 A JP2012224978 A JP 2012224978A JP 2012224978 A JP2012224978 A JP 2012224978A JP 2013102145 A JP2013102145 A JP 2013102145A
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- film
- oxide semiconductor
- oxide
- transistor
- silicon oxynitride
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- 150000004767 nitrides Chemical class 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- FRNOGLGSGLTDKL-UHFFFAOYSA-N thulium atom Chemical compound [Tm] FRNOGLGSGLTDKL-UHFFFAOYSA-N 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- NAWDYIZEMPQZHO-UHFFFAOYSA-N ytterbium Chemical compound [Yb] NAWDYIZEMPQZHO-UHFFFAOYSA-N 0.000 description 1
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Abstract
【解決手段】高密度な酸化窒化シリコン膜は水を含む雰囲気下であっても水の侵入を防ぐ効果が高く、膨潤が少ないことが明らかとなった。そこで高密度な酸化窒化シリコン膜を保護膜として設け、酸化物半導体を用いた半導体装置への水の侵入を防ぐ。具体的には、密度が2.32g/cm3以上、またはプレッシャークッカー試験前後において膨潤率が4体積%以下、またはフーリエ変換型赤外分光法によるスペクトルのピーク(極大吸収波数)が1056cm−1以上に現れる、酸化窒化シリコン膜を保護膜として用いる。
【選択図】図1
Description
本実施の形態では、本発明の一態様である半導体装置の一例について、図1および図2を用いて説明する。
PCT:温度130℃、相対湿度100%、試験時間12時間
HAST:温度130℃、相対湿度85%、試験時間12時間
(a―A)2+(b―B)2+(c―C)2≦r2
を満たすことをいい、rは、例えば、0.05とすればよい。他の酸化物でも同様である。
次に、図1に示すトランジスタ200を有する半導体装置の作製方法について、図4および図5を用いて説明する。
実施の形態1で例示したトランジスタを用いて表示機能を有する半導体装置(表示装置ともいう)を作製することができる。また、トランジスタを含む駆動回路の一部または全体を、画素部と同じ基板上に一体形成し、システムオンパネルを形成することができる。
本実施の形態では、上述の実施の形態で説明した半導体装置を電子機器に適用する場合について、図9を用いて説明する。本実施の形態では、コンピュータ、携帯電話機(携帯電話、携帯電話装置ともいう)、携帯情報端末(携帯型ゲーム機、音響再生装置なども含む)、デジタルカメラ、デジタルビデオカメラ、電子ペーパー、テレビジョン装置(テレビ、またはテレビジョン受信機ともいう)などの電子機器に、上述の半導体装置を適用する場合について説明する。
PCT:温度130℃、相対湿度100%、試験時間12時間
HAST:温度130℃、相対湿度85%、試験時間12時間
101 絶縁膜
102 ゲート電極
104 ゲート絶縁膜
104a 絶縁膜
104b 絶縁膜
106 酸化物半導体膜
108a ソース電極またはドレイン電極
108a1 導電膜
108a2 導電膜
108a3 導電膜
108b ドレイン電極またはソース電極
108b1 導電膜
108b2 導電膜
108b3 導電膜
110 保護膜
112 保護膜
116 絶縁膜
200 トランジスタ
250 曲線
251 接線
260 曲線
261 接線
301 基板
302 画素部
303 信号線駆動回路
304 走査線駆動回路
305 シール材
306 基板
308 液晶層
310 トランジスタ
311 トランジスタ
313 液晶素子
315 接続端子電極膜
316 端子電極膜
319 異方性導電膜
320 保護膜
321 絶縁膜
323 絶縁膜
324 保護膜
330 電極膜
331 電極膜
332 絶縁膜
333 絶縁膜
335 スペーサ
351 隔壁
352 電界発光層
353 発光素子
354 充填材
401 筐体
402 筐体
403 表示部
404 キーボード
410 タブレット型端末
411 筐体
412 表示部
413 筐体
414 表示部
415 操作ボタン
416 外部インターフェイス
417 スタイラス
420 電子書籍
421 筐体
423 筐体
425 表示部
427 表示部
431 電源
433 操作キー
435 スピーカー
437 軸部
440 筐体
441 筐体
442 表示パネル
443 スピーカー
444 マイクロフォン
445 操作キー
446 ポインティングデバイス
447 カメラ用レンズ
448 外部接続端子
449 太陽電池セル
450 外部メモリスロット
461 本体
463 接眼部
464 操作スイッチ
465 表示部
466 バッテリー
467 表示部
470 テレビジョン装置
471 筐体
473 表示部
475 スタンド
480 リモコン操作機
501 点
511 曲線
512 曲線
513 曲線
514 曲線
515 曲線
516 曲線
521 曲線
522 曲線
523 曲線
524 曲線
525 曲線
526 曲線
Claims (5)
- ゲート電極と、前記ゲート電極上の酸化物半導体膜と、前記ゲート電極と前記酸化物半導体膜の間のゲート絶縁膜と、前記酸化物半導体膜と接するソース電極およびドレイン電極と、を有するトランジスタと、
前記トランジスタ上の酸化シリコン膜と、
前記酸化シリコン膜上の酸化窒化シリコン膜と、
を有し、
前記酸化窒化シリコン膜の密度が2.32g/cm3以上である、
半導体装置。 - ゲート電極と、前記ゲート電極上の酸化物半導体膜と、前記ゲート電極と前記酸化物半導体膜の間のゲート絶縁膜と、前記酸化物半導体膜と接するソース電極およびドレイン電極と、を有するトランジスタと、
前記トランジスタ上の酸化シリコン膜と、
前記酸化シリコン膜上の酸化窒化シリコン膜と、
を有し、
前記酸化窒化シリコン膜は、
温度130℃、相対湿度100%、12時間の試験後の膨潤率が4体積%以下である、
半導体装置。 - 酸化窒化シリコン膜と、
前記酸化窒化シリコン膜上の酸化シリコン膜と、
前記酸化シリコン膜上の酸化物半導体膜と、前記酸化物半導体膜上のゲート電極と、前記酸化物半導体膜と前記ゲート電極の間のゲート絶縁膜と、前記酸化物半導体膜と接するソース電極およびドレイン電極と、を有するトランジスタと、
を有し、
前記酸化窒化シリコン膜の密度が2.32g/cm3以上である、
半導体装置。 - 酸化窒化シリコン膜と、
前記酸化窒化シリコン膜上の酸化シリコン膜と、
前記酸化シリコン膜上の酸化物半導体膜と、前記酸化物半導体膜上のゲート電極と、前記酸化物半導体膜と前記ゲート電極の間のゲート絶縁膜と、前記酸化物半導体膜と接するソース電極およびドレイン電極と、を有するトランジスタと、
を有し、
前記酸化窒化シリコン膜は、
温度130℃、相対湿度100%、12時間の試験後の膨潤率が4体積%以下である、
半導体装置。 - 前記酸化窒化シリコン膜は、
フーリエ変換型赤外分光法によるスペクトルにおいて、ストレッチングモードのSi−O−Si結合のピークが1056cm−1以上に現れる、
請求項1乃至請求項4に記載の半導体装置。
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JP2016021563A (ja) * | 2014-06-20 | 2016-02-04 | 株式会社半導体エネルギー研究所 | 半導体装置、及び該半導体装置を有する表示装置 |
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US10490572B2 (en) | 2014-06-20 | 2019-11-26 | Semiconductor Energy Laboratory Co., Ltd. | Transistor including indium in vicinity of interface between insulating films |
US11282865B2 (en) | 2014-06-20 | 2022-03-22 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device including indium at insulating film interface |
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JP6096461B2 (ja) | 2017-03-15 |
JP2016184744A (ja) | 2016-10-20 |
TWI570938B (zh) | 2017-02-11 |
US20130092929A1 (en) | 2013-04-18 |
WO2013054823A1 (en) | 2013-04-18 |
JP6284973B2 (ja) | 2018-02-28 |
TW201322458A (zh) | 2013-06-01 |
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