JP2016178296A - 非平面チップの組立品 - Google Patents
非平面チップの組立品 Download PDFInfo
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- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
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Abstract
【解決手段】溝穴が、チップに縦方向の開口部として作成され、曲げ応力を減少させて、前記チップの許容し得る変形度を高める。前記チップは、前記溝穴を介して前記許容し得る変形度内で所望の形に変形され、前記チップの少なくとも一部に拘束の保持を与え、前記チップを前記所望の変形に応じて湾曲させたままにする。また、可撓性構造とそれに結合する少なくとも1つの固定構造を備える非平面(non−planner)集積回路デバイスも記載される。前記可撓性構造は、所望の形に湾曲される。複数の接触領域が、前記可撓性構造に備えられる。回路が、前記可撓性構造に組み込まれて処理操作を行う。
【選択図】図3A
Description
網膜チップ組立処理又は(集積)半導体チップの非平面(例、準球状)曲面パッチ及び組立方法が、本明細書に記載される。以下の明細書中、多くの具体的な詳細が本発明の実施形態の説明を通して記載され提供される。しかし、これらの具体的な詳細が記載されていなくても本発明の実施形態を実施し得ることは、当業者には明らかであろう。その他の事実としては、周知の構成要素、構造及び技術は、本明細書を理解し難くしないため、詳細には示されない。
で互いに相互の拘束が付与されるため、緩和して元の平らな又は平面状態に戻り得ない。一実施形態において、結合パッドは、薄チップの溝穴の各々を跨ぐように対をなし、溝穴を跨ぐようにチップの部分同士を接着し得る。
Claims (26)
- 非平面(non−planner)集積回路デバイスであって、
所望の変形に湾曲された可撓性構造であって、複数の接触領域を備え、前記可撓性構造に組み込まれた回路を備え処理操作を行う前記可撓性構造;及び
前記接触領域を介して前記可撓性構造に結合し、拘束を保持して前記可撓性構造を湾曲させたままにする、少なくとも1つの固定構造、
を備える、デバイス。 - 前記固定構造が、前記所望の変形に応じて湾曲され、前記固定構造が、前記可撓性構造と結合して相互の拘束を保持し前記固定構造を湾曲させたままにする、請求項1に記載のデバイス。
- 前記可撓性構造が、前記可撓性構造に狭開口部を形成する1つ以上の溝穴を備え、前記溝穴によって、前記狭開口部と交差する前記可撓性構造の面内応力を減少させて、前記所望の変形に湾曲させる、請求項1に記載のデバイス。
- 前記可撓性構造は、中心を有する面を備え、前記溝穴は、前記面の前記中心から外側の方向に延びて配置され、前記湾曲は、三次元様式で前記中心に向かって内側に向けられる、請求項2に記載のデバイス。
- 前記所望の変形が、準球状の形状と実質的に合致する、請求項4に記載のデバイス。
- 前記固定構造の少なくとも1つが、前記溝穴のうちの1つに近接して配置される少なくとも2つの前記接触領域を介して、前記溝穴のうちの1つを跨ぐように、前記可撓性構造と結合し、前記少なくとも1つの固定構造によって、前記拘束の一部が保持されて、前記1つの溝穴の開口部が広がらないようにする、請求項4に記載のデバイス。
- 前記少なくとも2つの前記接触領域が、前記1つの溝穴の2つの側を跨ぐように位置決めされる、請求項6に記載のデバイス。
- 前記1つの固定構造が、前記可撓性構造の前記所望の変形に合致する非平面形状に曲げられた高分子材料を含む、請求項6に記載のデバイス。
- 前記接触領域が、導電性材料を含む結合パッドと、前記結合パッドを介して前記可撓性構造と結合する前記固定構造を備える、請求項1に記載のデバイス。
- 前記可撓性構造と前記固定構造との少なくとも一部が、前記デバイス中の埋戻し材を介して分離され、前記埋戻し材が、前記可撓性構造と前記固定構造との間で熱を放散することが可能な熱伝導性材料を含む、請求項9に記載のデバイス。
- 前記結合パッドが、腐食から前記導電性材料を保護するための少なくとも1つの不動態化層で不動態化される、請求項9に記載のデバイス。
- 前記デバイスが、ヒトの眼の中に移植可能で光の視覚認知を可能にし、前記所望の変形によって、ヒトの眼球の形状と合致する前記デバイスの前記移植を可能にする、請求項11に記載のデバイス。
- 前記可撓性構造と前記固定構造が、実質的に透明であり、光が前記デバイスを通過する、請求項12に記載のデバイス。
- 前記可撓性構造は、画素ユニットの配列を備え、画素ユニットの各々は、光を感知するセンサー、前記認知のために電極の対象となる神経細胞への刺激を伝達する電極、及び前記光からの前記刺激を誘導して前記電極を駆動させる処理回路を備える、請求項12に記載のデバイス。
- 前記固定構造は、更なる処理操作を行うことができ、前記結合パッドによって、前記可撓性構造と前記固定構造との間を互いに連絡させて、前記処理操作と前記更なる処理操作を連動させることが可能である、請求項9に記載のデバイス。
- 前記連絡が、前記固定構造を介して前記可撓性構造へ溝穴を跨いで情報を中継することを含む、請求項15に記載のデバイス。
- 前記デバイスが、三次元形状を有し、前記所望の変形が、前記三次元形状の一部と合致し、前記デバイスが、
更なる処理操作が可能な少なくとも1つの分離可撓性構造、
を更に備え、
前記分離可撓性構造は、前記三次元形状に合致するよう湾曲され、前記可撓性構造の面と前記分離可撓性構造の分離面とを前記三次元形状内で互いに対向させて、前記可撓性構造と前記分離可撓性構造とが、前記デバイス内で前記面と前記分離面とを跨いで互いに直接連絡することが可能である、請求項1に記載のデバイス。 - 前記直接連絡することが、無線で行われる、請求項17に記載のデバイス。
- 三次元形状面を有する三次元集積回路デバイスであって、
可撓性チップの各々が、前記三次元形状面に合致するよう湾曲された、複数の可撓性チップ;
可撓性チップの各々が、2つ以上の結合パッドを介して前記可撓性チップのうちの少なくとも1つの分離チップと結合し、相互の拘束を保持して、前記結合する可撓性チップを湾曲させたままにする、前記可撓性チップを結合する複数の前記結合パッド;及び
前記少なくとも2つの可撓性チップ間を直接連絡させ、前記結合パッドと接続経路とが、前記チップ間の接続を構成して、前記デバイスに処理操作を行わせることを可能にする、前記少なくとも2つの可撓性チップの間の前記接続経路、
を備える、デバイス。 - 前記少なくとも2つの可撓性チップが、互いに対向するよう構成されて、前記接続経路を形成する、請求項19に記載のデバイス。
- 前記チップの少なくとも1つが、前記1つのチップに狭開口部を形成して前記三次元形状に合致するよう湾曲させる、1つ以上の溝穴を備える、請求項19に記載のデバイス。
- 前記結合パッドの外側で前記チップの間に埋戻し材料を更に備え、前記埋戻し材料が、前記チップからの熱を放散させる熱伝導可能な埋戻し材料である、請求項19に記載のデバイス。
- 光を受ける複数の光センサー;
複数の微小電極;及び
前記光センサーと前記微小電極とに連結する回路、
を備える、移植用可撓性デバイスであって、
前記回路が、前記微小電極を駆動させて神経細胞を刺激し前記光センサーによって捕えられた前記光を視覚認知することを可能にし、前記デバイスが、開口部を形成する溝穴を有する可撓性材料からなり、前記溝穴によって、前記デバイスをヒトの眼球の形状に合致する所望の変形に湾曲させて、前記刺激に関する前記神経細胞にごく近接するように前記微小電極を位置決めすることを可能にする、デバイス。 - 非平面(non−planner)集積回路デバイスであって、前記デバイスは、
所望の変形に湾曲された可撓性構造
を備え、前記可撓性構造は、
曲げ応力を与えて前記可撓性構造を湾曲させる少なくとも1つの応力膜の層
を備え、前記応力膜が、指定されたパターンで前記可撓性構造中に形成されて前記所望の変形を引き起こす、デバイス。 - 前記応力膜が、前記デバイスの少なくとも一方の側に堆積し、前記応力膜の薄膜残留応力が大きい、請求項24に記載のデバイス。
- 前記デバイスが、前記指定されたパターンを介して前記応力膜の前記薄膜応力の分布に応じて三次元波状様式で成形される、請求項24に記載のデバイス。
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