JP4908936B2 - 半導体装置の作製方法 - Google Patents
半導体装置の作製方法 Download PDFInfo
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- JP4908936B2 JP4908936B2 JP2006162445A JP2006162445A JP4908936B2 JP 4908936 B2 JP4908936 B2 JP 4908936B2 JP 2006162445 A JP2006162445 A JP 2006162445A JP 2006162445 A JP2006162445 A JP 2006162445A JP 4908936 B2 JP4908936 B2 JP 4908936B2
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Description
基板の一方の面上に複数の集積回路を含む素子層を形成し、
前記基板の一方の面側の一部に曲率を有する穴を形成し、
前記基板を薄くし、
前記穴が形成された位置に対応して、前記基板の切断面が曲率を有するように当該基板を切断して前記複数の集積回路のうち少なくとも一つを有する積層体を形成することを特徴とする。
本実施の形態では、薄膜トランジスタ及びアンテナを含む本発明の半導体装置の作製方法の一構成例に関して図面を用いて説明する。
本実施の形態では、薄膜トランジスタ及びアンテナを含む本発明の半導体装置の作製方法について、図面を参照して説明する。特に、素子層の構造について詳細に説明する。
本実施の形態では、実施の形態2で説明したアンテナの形成方法とは別の形成方法について説明する。すなわち、実施の形態2では、素子層の一部としてアンテナが形成された構造について説明したが、本実施の形態では、アンテナが設けられた基板を別に用意し、当該アンテナが設けられた基板と、素子層が設けられた基板とが貼り合わされた構造について説明する。
本実施の形態では、本発明の半導体装置を非接触でデータの送受信が可能であるRFIDタグとして利用した場合の一実施形態に関して図10を用いて説明する。
本発明の半導体装置は、RFIDタグとして利用することできる。例えば、紙幣、硬貨、有価証券類、証書類、無記名債券類、包装用容器類、書籍類、記録媒体、身の回り品、乗物類、食品類、衣類、保健用品類、生活用品類、薬品類及び電子機器等に本発明により作製されたRFIDタグを設けて使用することができる。これらの具体例に関して図11を用いて説明する。なお、RFIDタグは図11において2720で示す。本発明により作製されたRFIDタグは、可撓性を有し、且つ端面が曲率を有している。このため、図11に示すような様々な形状を有する物品にも容易に設けることができ、且つ、はがれにくい構成とすることができる。また、RFIDタグは薄型化されているため、物品のデザイン性の低下を招きにくい。
12 下地膜
13 素子層
14 絶縁膜(保護層)
15 フィルム
16 集積回路を有する積層体
17 半導体装置(チップ)
18 第1の基体
19 第2の基体
21 ピックアップ手段
22 ラミネートロール
23 供給ロール
24 搬送手段
25 切断手段
26 加熱手段
31 研削手段
32 研磨手段
51 フレーム
52 ポーラスチャック
53 ステージ
Claims (8)
- 基板の一方の面上に複数の集積回路を含む素子層を形成し、
前記基板の一方の面及び前記素子層に、前記複数の集積回路間を切断する位置において曲率を有する穴を形成し、
前記基板の他方の面を薄くし、
その後前記穴が形成された位置に対応して、前記基板の薄くされた他方の面から曲率を有する穴を形成することにより前記基板の切断面が曲率を有するように当該基板を切断して前記複数の集積回路のうち少なくとも一つを有する積層体を形成することを特徴とする半導体装置の作製方法。 - 基板の一方の面上に複数の集積回路を含む素子層を形成し、
前記基板の一方の面及び前記素子層に、前記複数の集積回路間を切断する位置において曲率を有する穴を形成し、
前記基板の他方の面を研削して薄くし、
前記基板の研削された他方の面を研磨し、
その後前記穴が形成された位置に対応して、前記基板の薄くされ、かつ研磨された他方の面から曲率を有する穴を形成することにより前記基板の切断面が曲率を有するように当該基板を切断して前記複数の集積回路のうち少なくとも一つを有する積層体を形成することを特徴とする半導体装置の作製方法。 - 基板の一方の面上に複数の集積回路を含む素子層を形成し、
前記基板の一方の面及び前記素子層に、前記複数の集積回路間を切断する位置において前記素子層の上面からレーザーを照射することにより、曲率を有する穴を形成し、
前記基板の他方の面を研削して薄くし、
前記基板の研削された他方の面を研磨し、
その後前記穴が形成された位置に対応して、前記基板の薄くされ、かつ研磨された他方の面からレーザーを照射して曲率を有する穴を形成することにより、前記基板の切断面が曲率を有するように当該基板を切断して前記複数の集積回路のうち少なくとも一つを有する積層体を形成することを特徴とする半導体装置の作製方法。 - 基板の一方の面上に複数の集積回路を含む素子層を形成し、
前記基板の一方の面及び前記素子層に、前記複数の集積回路間を切断する位置において前記素子層の上面からレーザーを照射することにより、曲率を有する穴を形成し、
前記基板の他方の面を研削して薄くし、
前記基板の研削された他方の面を研磨し、
その後前記穴が形成された位置に対応して前記基板の薄くされ、かつ研磨された他方の面からレーザーを照射して曲率を有する穴を形成することにより、前記基板の切断面が曲率を有するように当該基板を切断して前記複数の集積回路のうち少なくとも一つを有する積層体を形成し、
二枚の可撓性を有するフィルムを用いて、前記積層体の両面を封止することを特徴とする半導体装置の作製方法。 - 請求項3又は4において、前記レーザーは紫外線レーザーであることを特徴とする半導体装置の作製方法。
- 請求項2乃至5のいずれか一において、前記研磨された基板の切断面は凸型であることを特徴とする半導体装置の作製方法。
- 請求項2乃至6のいずれか一において、前記研磨された基板の厚さは2μm以上50μm以下であることを特徴とする半導体装置の作製方法。
- 請求項1乃至7のいずれか一において、前記積層体はアンテナを有することを特徴とする半導体装置の作製方法。
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| JP2017199834A (ja) * | 2016-04-28 | 2017-11-02 | 株式会社ジェイデバイス | 半導体パッケージ及び半導体パッケージの製造方法 |
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| JP2004035315A (ja) * | 2002-07-02 | 2004-02-05 | Mitsuboshi Diamond Industrial Co Ltd | 脆性材料基板の分断方法および脆性材料基板分断装置 |
| JP4198966B2 (ja) * | 2002-10-17 | 2008-12-17 | 株式会社東芝 | 半導体装置の製造方法 |
| JP4566578B2 (ja) * | 2003-02-24 | 2010-10-20 | 株式会社半導体エネルギー研究所 | 薄膜集積回路の作製方法 |
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| JP2005072174A (ja) * | 2003-08-22 | 2005-03-17 | Disco Abrasive Syst Ltd | 基板とその表面に積層された積層体から構成された被加工物の分割方法 |
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