JP7041661B2 - 複合マイクロアセンブリのストラテジおよびデバイス - Google Patents
複合マイクロアセンブリのストラテジおよびデバイス Download PDFInfo
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- JP7041661B2 JP7041661B2 JP2019227462A JP2019227462A JP7041661B2 JP 7041661 B2 JP7041661 B2 JP 7041661B2 JP 2019227462 A JP2019227462 A JP 2019227462A JP 2019227462 A JP2019227462 A JP 2019227462A JP 7041661 B2 JP7041661 B2 JP 7041661B2
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- H—ELECTRICITY
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- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
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- H01L2224/18—High density interconnect [HDI] connectors; Manufacturing methods related thereto
- H01L2224/23—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process
- H01L2224/24—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process of an individual high density interconnect connector
- H01L2224/241—Disposition
- H01L2224/24135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/24137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
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- H—ELECTRICITY
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- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
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- H01L2224/95001—Batch processes at chip-level, i.e. with connecting carried out on a plurality of singulated devices, i.e. on diced chips involving a temporary auxiliary member not forming part of the bonding apparatus, e.g. removable or sacrificial coating, film or substrate
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Description
本願は、米国特許出願第14/822,868号,出願日2015年8月10日、発明の名称“Compound Micro-Assembly Strategies and Devices” および米国仮特許出願第62/055,472号,出願日2014年9月25日、発明の名称 “Compound Micro-Assembly Strategies and Devices”に対する優先権およびその利益を主張するものであり、これらの各々の内容は、それらの全体が参照により本明細書中に援用される。
ある実施形態では、本装置は、中間基板上の1平方センチメートにつき少なくとも100、1000、10000、10万、または100万個のマイクロシステムを含む。
本発明は、例えば、以下を提供する。
(項目1)
複合マイクロアセンブリの方法であって、
それに一時的に取り付けられたマイクロシステムを伴う接触表面を有する、転写デバイスを提供するステップであって、前記マイクロシステムは、
中間基板と、
前記中間基板上に配置される複数のマイクロデバイスと、
前記複数のマイクロデバイスの少なくとも一部に電気的に接続され、それによって、前記マイクロデバイスの前記一部を電気的に連結する、1つまたはそれを上回る微細相互接続と、
を備える、ステップと、
転写表面上に配置される前記マイクロシステムを、目標基板の受容表面と接触させるステップと、
前記転写デバイスの前記接触表面および前記マイクロシステムを分離し、それによって、前記目標基板の前記受容表面上に前記マイクロシステムを転写するステップと、
を含む、方法。
(項目2)
前記目標基板の前記受容表面上に前記マイクロシステムを転写した後に、10μm~2mmの幅を有する粗相互接続を利用して、前記マイクロシステムを前記目標基板上の1つまたはそれを上回る付加的マイクロシステムに電気的に接続し、それによって、マクロシステムを形成するステップを含む、項目1に記載の方法。
(項目3)
その上に支持された、および/またはそこに一時的に取り付けられた前記マイクロシステムを伴う前記接触表面を有する、前記転写デバイスを提供するステップは、
第1のネイティブ基板上に前記複数のマイクロデバイスのうちの第1のマイクロデバイスを形成するステップと、
第2のネイティブ基板上に前記複数のマイクロデバイスのうちの第2のマイクロデバイスを形成するステップと、
それぞれのネイティブ基板から前記中間基板上に前記第1のマイクロデバイスおよび前記第2のマイクロデバイスを転写するステップと、
前記1つまたはそれを上回る微細相互接続を使用して、前記第1のマイクロデバイスおよび前記第2のマイクロデバイスを電気的に接続するステップであって、前記微細相互接続は、100nm~10μmの幅を有し、それによって、前記マイクロシステムを形成する、ステップと、
を含む、項目1または2に記載の方法。
(項目4)
微細相互接続を使用して、前記第1のマイクロデバイスおよび前記第2のマイクロデバイスを電気的に接続した後に、前記中間基板上にある間に前記マイクロシステムを試験するステップを含む、項目3に記載の方法。
(項目5)
前記中間基板上に前記第1のマイクロデバイスおよび前記第2のマイクロデバイスを転写した後に、前記バルク中間基板から前記転写デバイスの前記接触表面への前記マイクロシステムの制御された分離を促進するために、前記マイクロシステムがテザーによって前記バルク中間基板に接続されるように、前記バルク中間基板から前記マイクロシステムを部分的に解放するステップを含む、項目3または4に記載の方法。
(項目6)
前記微細相互接続は、少なくとも部分的に前記テザーの上または中にある、項目5に記載の方法。
(項目7)
前記テザーは、前記中間基板上のアンカに接続される、項目5または6に記載の方法。
(項目8)
前記1つまたはそれを上回る微細相互接続のそれぞれは、少なくとも部分的に前記アンカの上もしくは中にある、項目7に記載の方法。
(項目9)
中間基板上に前記マイクロデバイスを転写するステップは、
第1のマイクロデバイスを整合可能転写デバイスと接触させ、それによって、前記第1のマイクロデバイスを前記整合可能転写デバイスに結合するステップと、
前記整合可能転写デバイス上に配置される前記第1のマイクロデバイスを前記中間基板と接触させるステップと、
前記第1のマイクロデバイスから前記整合可能転写デバイスを分離し、それによって、前記中間基板上に前記第1のマイクロデバイスを転写するステップと、
第2のマイクロデバイスを前記整合可能転写デバイスと接触させ、それによって、前記第2のマイクロデバイスを前記整合可能転写デバイスに結合するステップと、
前記整合可能転写デバイス上に配置される前記第2のマイクロデバイスを前記中間基板と接触させるステップと、
前記第2のマイクロデバイスから前記整合可能転写デバイスを分離し、それによって、前記中間基板上に前記第2のマイクロデバイスを転写するステップと、
を含む、項目3~8のいずれか1項に記載の方法。
(項目10)
前記中間基板は、前記第1および第2のマイクロデバイスに元来備わっていない、項目1~9のいずれか1項に記載の方法。
(項目11)
前記接触させるステップおよび分離するステップはそれぞれ、ディスプレイを形成するように少なくとも100回行われる、項目1に記載の方法。
(項目12)
前記複数のマイクロデバイスは、
赤色マイクロ無機発光ダイオードと、
緑色マイクロ無機発光ダイオードと、
青色マイクロ無機発光ダイオードと、
を備える、項目1~11のいずれか1項に記載の方法。
(項目13)
前記複数のマイクロデバイスは、マイクロ集積回路を備える、項目1~12のいずれか1項に記載の方法。
(項目14)
前記中間基板は、ポリマーフィルム、ポリマー、硬化樹脂、エポキシ、ガラス強化エポキシ、FR4、ガラス、サファイア、透明誘電体キャリアフィルム、誘電体キャリアフィルムから成る群から選択される、少なくとも1つの部材を備える、項目1~13のいずれか1項に記載の方法。
(項目15)
前記転写デバイスは、エラストマースタンプである、項目1~14のいずれか1項に記載の方法。
(項目16)
前記複数のマイクロデバイスは、
電力増幅器(例えば、GaN)と、
移相器(例えば、GaAs)と、
マイクロ集積回路(例えば、シリコン制御回路)と、
を備える、項目1~15のいずれか1項に記載の方法。
(項目17)
前記複数のマイクロデバイスは、低雑音増幅器(例えば、InP)、電力増幅器、アナログ・デジタル変換器、伝送/受信スイッチ、移相器、および周波数変換器から成る群から選択される、少なくとも1つの部材を備える、項目1~15のいずれか1項に記載の方法。
(項目18)
前記複数のマイクロデバイスは、
検出器(例えば、フォトダイオード、光伝導体)と、
マイクロ集積回路(例えば、制御/読出回路、例えば、シリコン制御回路)と、
を備える、項目1~15のいずれか1項に記載の方法。
(項目19)
前記目標基板は、ポリマー、プラスチック、樹脂、ポリイミド、PEN、PET、金属、金属箔、ガラス、半導体、およびサファイアから成る群から選択される部材である、項目1~18のいずれか1項に記載の方法。
(項目20)
前記目標基板は、前記複数のマイクロデバイスに元来備わっていない、項目1~19のいずれか1項に記載の方法。
(項目21)
目標基板は、可視光に対して50%、80%、90%、もしくは95%を上回るまたはそれと等しい透明度(例えば、1-不透明度)を有する、項目1~20のいずれか1項に記載の方法。
(項目22)
前記目標基板は、隣接基板面積を有し、前記複数のマイクロデバイスはそれぞれ、デバイス面積を有し、前記複数のマイクロデバイスの複合デバイス面積は、前記隣接基板面積の4分の1未満またはそれと等しい、項目1~21のいずれか1項に記載の方法。
(項目23)
前記複数のマイクロデバイスの前記複合デバイス面積は、前記隣接基板面積の8分の1、10分の1、20分の1、50分の1、100分の1、500分の1、1000分の1、2000分の1、もしくは10000分の1未満またはそれと等しい、項目22に記載の方法。
(項目24)
前記複数のマイクロデバイスのそれぞれは、2~5μm、5~10μm、10~20μm、または20~50μmの長さ、幅、および高さのうちの少なくとも1つを有する、項目1~23のいずれか1項に記載の方法。
(項目25)
前記目標基板は、5~10ミクロン、10~50ミクロン、50~100ミクロン、100~200ミクロン、200~500ミクロン、500ミクロン~0.5mm、0.5~1mm、1mm~5mm、5mm~10mm、または10mm~20mmの厚さを有する、項目1~24のいずれか1項に記載の方法。
(項目26)
目標非ネイティブ基板上の複数の印刷されたマイクロシステムであって、前記複数の印刷されたマイクロシステムのうちの各マイクロシステムは、
中間非ネイティブ基板上に配置される複数のマイクロデバイスと、
前記複数のマイクロデバイスを電気的に接続する、100nm~1μmの幅を有する、1つまたはそれを上回る微細相互接続と、
を備える、複数の印刷されたマイクロシステムと、
2μm~2mmの幅を有する、1つまたはそれを上回る粗リソグラフィ相互接続であって、各粗リソグラフィ相互接続は、前記非ネイティブ基板上の前記複数のマイクロシステムのうちの少なくとも1つに電気的に接続される、粗リソグラフィ相互接続と、
を備える、複合マイクロ組立デバイス。
(項目27)
前記複数のマイクロデバイスは、
赤色マイクロ無機発光ダイオードと、
緑色マイクロ無機発光ダイオードと、
青色マイクロ無機発光ダイオードと、
マイクロ集積回路と、
を備える、項目26に記載のデバイス。
(項目28)
前記複数のマイクロデバイスは、第2の赤色マイクロ無機発光ダイオードと、第2の青色マイクロ無機発光ダイオードと、第2の緑色マイクロ無機発光ダイオードとを備える、項目27に記載のデバイス。
(項目29)
各マイクロシステムは、ピクセルを形成する、項目27または28に記載のデバイス。
(項目30)
300,000個を超えるマイクロ無機発光ダイオードを備える、項目26~29のいずれか1項に記載のデバイス。
(項目31)
前記複数のマイクロデバイスは、
電力増幅器(例えば、GaN)と、
移相器(例えば、GaAs)と、
マイクロ集積回路(例えば、シリコン制御回路)と、
を備える、項目26に記載のデバイス。
(項目32)
前記複数のマイクロデバイスは、低雑音増幅器(例えば、InP)、電力増幅器、アナログ・デジタル変換器、伝送/受信スイッチ、移相器、および周波数変換器から成る群から選択される、少なくとも1つの部材を備える、項目26に記載のデバイス。
(項目33)
前記複数のマイクロデバイスは、
検出器(例えば、フォトダイオード、光伝導体)と、
マイクロ集積回路(例えば、制御/読出回路、例えば、シリコン制御回路)と、
を備える、項目26に記載のデバイス。
(項目34)
前記目標非ネイティブ基板は、前記複数のマイクロデバイスのうちの1つに元来備わっていない、項目26~33のいずれか1項に記載のデバイス。
(項目35)
前記目標非ネイティブ基板は、ポリマー、プラスチック、樹脂、ポリイミド、PEN、PET、金属、金属箔、ガラス、半導体、およびサファイアから成る群から選択される部材である、項目26~34のいずれか1項に記載のデバイス。
(項目36)
前記デバイスは、前記目標基板上に少なくとも50,000個のマイクロシステムの行列を備える、項目26~35のいずれか1項に記載のデバイス。
(項目37)
目標非ネイティブ基板は、可視光に対して50%、80%、90%、もしくは95%を上回るまたはそれと等しい透明度を有する、項目26~36のいずれか1項に記載のデバイス。
(項目38)
前記目標基板は、隣接基板面積を有し、前記複数のマイクロデバイスはそれぞれ、デバイス面積を有し、前記複数のマイクロデバイスの複合デバイス面積は、前記隣接基板面積の4分の1未満またはそれと等しい、項目26~37のいずれか1項に記載のデバイス。
(項目39)
前記複数のマイクロデバイスの複合デバイス面積は、前記隣接基板面積の8分の1、10分の1、20分の1、50分の1、100分の1、500分の1、1000分の1、2000分の1、もしくは10000分の1未満またはそれと等しい、項目38に記載のデバイス。
(項目40)
前記複数のマイクロデバイスのそれぞれは、2~5μm、5~10μm、10~20μm、または20~50μmの長さ、幅、および高さのうちの少なくとも1つを有する、項目26~39のいずれか1項に記載のデバイス。
(項目41)
前記目標基板は、5~10ミクロン、10~50ミクロン、50~100ミクロン、100~200ミクロン、200~500ミクロン、500ミクロン~0.5mm、0.5~1mm、1mm~5mm、5mm~10mm、または10mm~20mmの厚さを有する、項目26~40のいずれか1項に記載のデバイス。
(項目42)
複数の印刷されたマイクロシステムを備え、前記複数の印刷されたマイクロシステムのうちの各マイクロシステムは、
前記マイクロシステムのそれぞれのマイクロデバイスに元来備わっていない、中間基板上に配置される複数のマイクロデバイスと、
各微細リソグラフィ相互接続が、前記複数のマイクロデバイスのうちの少なくとも1つに電気的に接続される、100nm~2μmの幅を有する、1つまたはそれを上回る微細相互接続であって、前記複数のマイクロシステムのうちの各マイクロシステムは、前記複数のマイクロシステムのうちの各マイクロシステムがテザーによって前記バルク中間基板に接続されるように、前記バルク中間基板から部分的に解放される、1つまたはそれを上回る微細相互接続と、
を備える、装置。
(項目43)
前記複数のマイクロデバイスは、
赤色マイクロ無機発光ダイオードと、
緑色マイクロ無機発光ダイオードと、
青色マイクロ無機発光ダイオードと、
を備える、項目42に記載の装置。
(項目44)
各マイクロシステムは、第2の赤色マイクロ無機発光ダイオードと、第2の緑色マイクロ無機発光ダイオードと、第2の青色マイクロ無機発光ダイオードとを備える、項目43に記載の装置。
(項目45)
前記複数のマイクロデバイスは、マイクロ集積回路を備える、項目43に記載の装置。
(項目46)
前記複数のマイクロデバイスは、
電力増幅器(例えば、GaN)と、
移相器(例えば、GaAs)と、
マイクロ集積回路(例えば、シリコン制御回路)と、
を備える、項目42に記載の装置。
(項目47)
前記複数のマイクロデバイスは、低雑音増幅器(例えば、InP)、電力増幅器、アナログ・デジタル変換器、伝送/受信スイッチ、移相器、および周波数変換器から成る群から選択される、少なくとも1つの部材を備える、項目46に記載の装置。
(項目48)
前記複数のマイクロデバイスは、
検出器(例えば、フォトダイオード、光伝導体)と、
マイクロ集積回路(例えば、制御/読出回路、例えば、シリコン制御回路)と、
を備える、項目42に記載の装置。
(項目49)
前記1つまたはそれを上回る微細相互接続のそれぞれは、少なくとも部分的に前記テザーの上にある、項目42~48のいずれか1項に記載の装置。
(項目50)
各テザーは、前記中間基板上のアンカに接続される、項目42~49のいずれか1項に記載の装置。
(項目51)
前記1つまたはそれを上回る微細相互接続のそれぞれは、少なくとも部分的に前記アンカの上にある、項目50に記載の装置。
(項目52)
前記複数のマイクロシステムのうちの各マイクロシステムは、それが試験され得るように、完全に機能的である、項目42~51のいずれか1項に記載の装置。
(項目53)
前記中間基板は、ガラスウエハ、サファイアウエハ、ポリマーフィルムを伴うガラスウエハ、ポリマーウエハ、透明誘電体キャリアフィルムを備える、項目42~52のいずれか1項に記載の装置。
(項目54)
前記装置は、前記中間基板上に少なくとも50,000個のマイクロシステムの行列を備える、項目42~53のいずれか1項に記載の装置。
(項目55)
前記装置は、前記中間基板上の1平方センチメートにつき少なくとも100、1000、10000、10万、または100万個のマイクロシステムを備える、項目42~53のいずれか1項に記載の装置。
(項目56)
前記複数のマイクロデバイスは、(例えば、アレイの中で)前記隣接基板面積にわたって分配される、項目22に記載の方法。
(項目57)
前記複数のマイクロデバイスは、(例えば、アレイの中で)前記隣接基板面積にわたって分配される、項目38に記載のデバイス。
Claims (15)
- 目標非ネイティブ基板上の複数の印刷されたマイクロシステムであって、前記複数の印刷されたマイクロシステムのうちの各マイクロシステムは、
中間非ネイティブ基板上に配置される複数のマイクロデバイスと、
前記複数のマイクロデバイスを電気的に接続する、100nm~1μmの幅を有する、少なくとも部分的に前記中間非ネイティブ基板上にある1つまたはそれを上回る微細相互接続と、
を備え、前記複数の印刷されたマイクロシステムのそれぞれは、テザーを備える、複数の印刷されたマイクロシステムと、
2μm~2mmの幅を有する、少なくとも部分的に前記目標非ネイティブ基板上にある1つまたはそれを上回る粗リソグラフィ相互接続であって、各粗リソグラフィ相互接続は、前記目標非ネイティブ基板上の前記複数のマイクロシステムのうちの少なくとも1つに電気的に接続される、粗リソグラフィ相互接続と、
を備え、
前記複数のマイクロデバイスのそれぞれは、2μm~50μmの長さ、幅、および高さのうちの少なくとも1つを有し、
前記目標非ネイティブ基板は、100ミクロン~20mmの厚さを有する、複合マイクロ組立デバイス。 - 前記複数のマイクロデバイスは、
赤色マイクロ無機発光ダイオードと、
緑色マイクロ無機発光ダイオードと、
青色マイクロ無機発光ダイオードと、
マイクロ集積回路と、
を備える、請求項1に記載のデバイス。 - 前記複数のマイクロデバイスは、第2の赤色マイクロ無機発光ダイオードと、第2の青色マイクロ無機発光ダイオードと、第2の緑色マイクロ無機発光ダイオードとを備える、請求項2に記載のデバイス。
- 各マイクロシステムは、ピクセルを形成する、請求項2または3に記載のデバイス。
- 300,000個を超えるマイクロ無機発光ダイオードを備える、請求項1~4のいずれか1項に記載のデバイス。
- 前記複数のマイクロデバイスは、
電力増幅器と、
移相器と、
マイクロ集積回路と、
を備える、請求項1に記載のデバイス。 - 前記複数のマイクロデバイスは、低雑音増幅器、電力増幅器、アナログ・デジタル変換器、伝送/受信スイッチ、移相器、および周波数変換器から成る群から選択される、少なくとも1つの部材を備える、請求項1に記載のデバイス。
- 前記複数のマイクロデバイスは、
検出器と、
マイクロ集積回路と、
を備える、請求項1に記載のデバイス。 - 前記目標非ネイティブ基板は、前記複数のマイクロデバイスのうちの1つに元来備わっていない、請求項1~8のいずれか1項に記載のデバイス。
- 前記目標非ネイティブ基板は、ポリマー、プラスチック、樹脂、ポリイミド、PEN、PET、金属、金属箔、ガラス、半導体、およびサファイアから成る群から選択される部材である、請求項1~9のいずれか1項に記載のデバイス。
- 前記デバイスは、前記目標非ネイティブ基板上に少なくとも50,000個のマイクロシステムの行列を備える、請求項1~10のいずれか1項に記載のデバイス。
- 目標非ネイティブ基板は、可視光に対して50%、80%、90%、もしくは95%を上回るまたはそれと等しい透明度を有する、請求項1~11のいずれか1項に記載のデバイス。
- 前記目標非ネイティブ基板は、隣接基板面積を有し、前記複数のマイクロデバイスはそれぞれ、デバイス面積を有し、前記複数のマイクロデバイスの複合デバイス面積は、前記隣接基板面積の4分の1未満またはそれと等しい、請求項1~12のいずれか1項に記載のデバイス。
- 前記複数のマイクロデバイスの複合デバイス面積は、前記隣接基板面積の8分の1、10分の1、20分の1、50分の1、100分の1、500分の1、1000分の1、2000分の1、もしくは10000分の1未満またはそれと等しい、請求項13に記載のデバイス。
- 前記1つまたはそれを上回る微細相互接続は、微細リソグラフィ相互接続である、請求項1~14のいずれか1項に記載のデバイス。
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