JP6910178B2 - 半導体装置、及び半導体装置の作製方法 - Google Patents
半導体装置、及び半導体装置の作製方法 Download PDFInfo
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- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
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Images
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
Description
レーザ光のレーザ発振器として、波長308nmのXeClエキシマレーザを用い、発振器の設定エネルギーは980mJ、繰り返し周波数は60Hz、スキャン速度は11.7mm/秒とし、光学系を調節することで、レーザ光の断面を0.6mm×300mmの線状に成形し、また、光学系にアッテネータを使用し、アッテネータによる照射エネルギーの減衰率は10%とする方法が挙げられるもちろん、その他のレーザを用いても良い。
以下、表示装置を例に、本発明の一態様の剥離方法について説明する。
まず、作製基板14上に、酸化チタン層15を形成し、その上に剥離層23を形成する(図1)。
以降の作製方法例では、先に説明した作製方法例と同様の部分について、説明を省略することがある。
図6(A)は、表示装置10Aの上面図である。図6(B)、(C)は、それぞれ、表示装置10Aの表示部381の断面図及びFPC372との接続部の断面図の一例である。
まず、作製方法例2と同様に、酸化チタン層15が形成された作製基板14上に、剥離層23から絶縁層31までを形成する(図7(A))。
作製方法例4(図18(C))では、接着層99が、分離領域25および分離領域94の外側にも形成されている場合を示した。分離領域の外側の密着性は高く、このまま分離を行うと、剥離不良が生じるなど、剥離の歩留まりが低下することがある。
図15(A)は、表示装置10Bの上面図である。図15(B)は、表示装置10Bの表示部381の断面図及びFPC372との接続部の断面図の一例である。
本実施の形態では、本発明の一態様の表示装置とその作製方法について図面を用いて説明する。
本実施の形態では、本発明の一態様で開示されるトランジスタに用いることができるCAC(Cloud−Aligned Composite)−OSの構成について説明する。
本実施の形態では、本発明の一態様の表示モジュール及び電子機器について説明する。
10B 表示装置
13 接着層
14 作製基板
15 酸化チタン層
21 被剥離層
22 基板
23 剥離層
24 樹脂層
25 分離領域
28 接着層
29 基板
31 絶縁層
32 絶縁層
33 絶縁層
34 絶縁層
35 絶縁層
40 トランジスタ
41 導電層
43a 導電層
43b 導電層
43c 導電層
44 金属酸化物層
45 導電層
49 トランジスタ
60 発光素子
61 導電層
62 EL層
63 導電層
64 切れ目
65 器具
66 レーザ光
67 照射領域
74 絶縁層
75 保護層
75a 基板
75b 接着層
76 接続体
80 トランジスタ
81 導電層
82 絶縁層
83 金属酸化物層
84 絶縁層
85 導電層
86a 導電層
86b 導電層
86c 導電層
91 作製基板
92 酸化チタン層
93 剥離層
94 分離領域
95 絶縁層
96 隔壁
97 着色層
98 遮光層
99 接着層
372 FPC
381 表示部
382 駆動回路部
800 携帯情報端末
801 筐体
802 筐体
803 表示部
804 表示部
805 ヒンジ部
810 携帯情報端末
811 筐体
812 表示部
813 操作ボタン
814 外部接続ポート
815 スピーカ
816 マイク
817 カメラ
820 カメラ
821 筐体
822 表示部
823 操作ボタン
824 シャッターボタン
826 レンズ
8000 表示モジュール
8001 上部カバー
8002 下部カバー
8003 FPC
8004 タッチパネル
8005 FPC
8006 表示パネル
8009 フレーム
8010 プリント基板
8011 バッテリ
9000 筐体
9001 表示部
9003 スピーカ
9005 操作キー
9006 接続端子
9007 センサ
9008 マイクロフォン
9055 ヒンジ
9200 携帯情報端末
9201 携帯情報端末
9202 携帯情報端末
Claims (12)
- 基板と、
前記基板に接する領域を有する第1の樹脂層と、
前記第1の樹脂層に接する領域を有する第2の樹脂層と、
前記第2の樹脂層に接する領域を有する第1の層と、を有し、
前記第2の樹脂層はポリイミド樹脂を主成分として構成され、
前記第1の樹脂層と前記第2の樹脂層との界面から、液体クロマトグラフィー質量分析測定における質量電荷比が1000以上1800以下の物質が検出され、前記質量電荷比が1000以上1800以下の物質は前記界面と反対側から第1の樹脂層を液体クロマトグラフィー質量分析測定した際に検出される物質と異なる半導体装置。 - 請求項1において、
前記界面から、液体クロマトグラフィー質量分析測定における質量電荷比が1000より小さい物質の検出が5より少ない半導体装置。 - 請求項1または請求項2において、
前記基板が可とう性を有する半導体装置。 - 請求項1乃至請求項3のいずれか一において、
前記第1の層はトランジスタを有する半導体装置。 - 請求項4において、
前記トランジスタはチャネル形成領域に金属酸化物を有する半導体装置。 - 請求項1乃至請求項5のいずれか一において、
前記第1の層は前記トランジスタと電気的に接続された表示素子を有する半導体装置。 - 作製基板上に、酸化チタン層を形成し、
前記酸化チタン層上に、ポリイミドを主成分とする第1の樹脂層を形成し、
前記第1の樹脂層上に被剥離層を形成し、
前記第1の樹脂層にレーザ光を照射することによって、前記第1の樹脂層の前記酸化チタン層に接する部分に、前記ポリイミドを主成分とする第1の樹脂層の材料を液体クロマトグラフィー質量分析測定した際に検出される物質とは異なり、かつ液体クロマトグラフィー質量分析測定における質量電荷比で1000以上1800以下の物質を含む分離領域を形成し、
前記作製基板と前記被剥離層とを前記分離領域で分離する半導体装置の作製方法。 - 請求項7において、
前記酸化チタン層に面する前記第1の樹脂層の表面において、液体クロマトグラフィー質量分析測定における質量電荷比で1000より小さい物質の検出が5より少ない半導体装置の作製方法。 - 請求項7または請求項8において、
前記分離領域と前記酸化チタン層との間に空洞が形成される半導体装置の作製方法。 - 請求項7乃至請求項9のいずれか一において、
前記被剥離層はトランジスタを有する半導体装置の作製方法 - 請求項7乃至請求項9のいずれか一において、
前記被剥離層は表示素子を有する半導体装置の作製方法。 - 請求項7乃至請求項9のいずれか一において、
前記被剥離層が発光素子を有する半導体装置の作製方法。
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