JP5521034B2 - フレキシブル半導体デバイスを高温で提供する方法およびそのフレキシブル半導体デバイス - Google Patents
フレキシブル半導体デバイスを高温で提供する方法およびそのフレキシブル半導体デバイス Download PDFInfo
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- JP5521034B2 JP5521034B2 JP2012513292A JP2012513292A JP5521034B2 JP 5521034 B2 JP5521034 B2 JP 5521034B2 JP 2012513292 A JP2012513292 A JP 2012513292A JP 2012513292 A JP2012513292 A JP 2012513292A JP 5521034 B2 JP5521034 B2 JP 5521034B2
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted 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
- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted 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 using temporarily an auxiliary support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
- H01L29/6675—Amorphous silicon or polysilicon transistors
- H01L29/66765—Lateral single gate single channel transistors with inverted structure, i.e. the channel layer is formed after the gate
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- H—ELECTRICITY
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- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78603—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the insulating substrate or support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- 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
- H01L2221/68304—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 using temporarily an auxiliary support
- H01L2221/6835—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 using temporarily an auxiliary support used as a support during build up manufacturing of active devices
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/30—Technical effects
- H01L2924/301—Electrical effects
- H01L2924/3025—Electromagnetic shielding
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0393—Flexible materials
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- H05K2201/0137—Materials
- H05K2201/0154—Polyimide
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/06—Thermal details
- H05K2201/068—Thermal details wherein the coefficient of thermal expansion is important
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/007—Manufacture or processing of a substrate for a printed circuit board supported by a temporary or sacrificial carrier
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- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
本願は、2009年5月29日に出願された米国仮出願番号61/182,464、および、2009年7月30日に出願された米国仮出願番号61/230,051に基づく利益を主張する。本願は、2008年12月2日に出願された米国仮出願番号61/119,303に基づく優先権を主張して2009年11月30日に出願されたPCT出願番号PCT/US09/66114の一部係属出願である。さらに本願は、2008年12月2日に出願された米国仮出願番号61/119,248に基づく優先権を主張して2009年11月30日に出願されたPCT出願番号PCT/US09/66111の一部係属出願である。さらに本願は、2008年12月2日に出願された米国仮出願番号61/119,217に基づく優先権を主張して2009年12月1日に出願されたPCT出願番号PCT/US09/66259の一部係属出願である。
米国仮出願番号61/182,464、米国仮出願番号61/230,051、PCT出願番号PCT/US09/66114、米国仮出願番号61/119,303、PCT出願番号PCT/US09/66111、米国仮出願番号61/119,248、PCT出願番号PCT/US09/66259、および米国仮出願番号61/119,217は、リファレンスとしてここに組み込まれる。
合衆国政府は、本発明について無償実施権(paid−up license)を有すると共に、陸軍研究所(Army Research Lab)による許可/契約番号W911NF−04−2−0005の条件によって提供されるような合理的な条件に基づいて他人に実施権を設定することを、限られた状況下で特許権者に要求する権利を有する。
その後、ITO層2565が、第2金属層2564上に堆積され、さらに、パターン・エッチングされる。一例として、第2金属層2564およびITO層2565は、AMAT8330を使用してエッチングされる。
手順2711は、図2の工程211と同一または類似である。基板は、図4の基板450と同一または類似である。さらに、他の実施例では、手順2711は、図1の方法110と同一または類似であり、また、基板は、基板450と同一または類似であり、フレキシブル基板アセンブリ540の一部である。
第2誘電材料は、図24の第1誘電材料2461と同一または類似である。手順2713は、図1の工程1114と同一または類似である。
Claims (19)
- 半導体デバイスを提供する方法において、前記方法は、
フレキシブル基板を提供する段階と、
前記フレキシブル基板上に少なくとも1つの材料層を堆積させる段階であって、前記少なくとも1つの材料層の堆積は、少なくとも180℃の温度で生じる、段階と、
金属層と前記金属層の下のN+アモルファス・シリコン層との間に拡散バリアを前記フレキシブル基板上に提供する段階と、
第1誘電材料を前記金属層の上に提供する段階であって、前記第1誘電材料は、有機シロキサンをベースとした誘電材料からなる、段階と、
から構成されることを特徴とする方法。 - 前記フレキシブル基板上に少なくとも1つの材料層を堆積させる段階は、
アモルファス・シリコン層を堆積させる段階、
窒化ケイ素ゲート誘電体を堆積させる段階、および、
窒化ケイ素金属間誘電層を堆積させる段階、
のうちの少なくとも1つを含むことを特徴とする請求項1記載の方法。 - 前記フレキシブル基板上に少なくとも1つの材料層を堆積させる段階は、少なくとも188℃の温度で生じること、および、
前記フレキシブル基板上に少なくとも1つの材料層を堆積させる段階は、ほぼ真空圧力で生じること、
のうちの少なくとも1つを含むことを特徴とする請求項1または2記載の方法。 - 前記拡散バリアは、タンタルを含むこと、および、
前記フレキシブル基板は、ポリエチレン・ナフタレートを含むこと、
のうちの少なくとも1つを含むことを特徴とする請求項1−3のいずれかに記載の方法。 - 前記フレキシブル基板は、平坦化されたフレキシブル基板を含むことを特徴とする請求項1−4のいずれかに記載の方法。
- キャリア基板を提供する段階と、
前記キャリア基板を前記フレキシブル基板に結合する段階と、
をさらに含むことを特徴とする請求項1−5のいずれかに記載の方法。 - 第2誘電材料を提供する段階であって、前記第2誘電材料は窒化ケイ素を含み、かつ前記第1誘電材料上に堆積される、段階と、
前記第1誘電材料、前記第2誘電材料、前記フレキシブル基板、および前記少なくとも1つの材料層をベーキングする段階であって、前記ベーキングの温度は、少なくとも200℃に達する、段階と、
をさらに含むことを特徴とする請求項1記載の方法。 - 前記第1誘電材料を提供する前にベース誘電材料を提供する段階であって、前記ベース誘電材料は、シリコン酸化物を含むことを特徴とする請求項1または8記載の方法。
- 半導体デバイスを提供する方法において、前記方法は、
キャリア基板を提供する段階と、
フレキシブル基板を提供する段階であって、前記フレキシブル基板は平坦化されている、段階と、
前記キャリア基板を前記フレキシブル基板に接着性をもって結合させると、前記フレキシブル基板を前記キャリア基板から手で剥離させることにより、前記フレキシブル基板を前記キャリア基板から分離することができるように、前記キャリア基板を前記フレキシブル基板に接着材で結合する段階と、
前記フレキシブル基板上にゲート金属層を堆積させる段階と、
前記ゲート金属層上に1またはそれ以上のシリコン含有層を堆積させる段階であって、前記1またはそれ以上のシリコン含有層を堆積させる温度は、少なくとも180℃に達する、段階と、
前記1またはそれ以上のシリコン含有層上に、1またはそれ以上の接触要素を堆積させる段階であって、前記1またはそれ以上の接触要素は拡散バリアを含む、段階と、
前記1またはそれ以上の接触要素上に第1誘電材料を堆積させる段階であって、前記第1誘電材料は有機シロキサンをベースとした誘電材料を含む、段階と、
前記第1誘電材料上に第2誘電材料を堆積させる段階であって、前記第2誘電材料は窒化ケイ素を含む、段階と、
前記第1誘電材料、前記第2誘電材料、前記フレキシブル基板、前記キャリア基板、前記ゲート金属層、前記1またはそれ以上のシリコン含有層、および前記1またはそれ以上の接触要素をベーキングする段階であって、前記ベーキングの温度は、少なくとも200℃に達する、段階と、
前記ベーキングの後に、前記フレキシブル基板を前記キャリア基板から手で剥離させることにより、前記フレキシブル基板を前記キャリア基板から分離させる段階と、
から構成されることを特徴とする方法。 - 前記1またはそれ以上のシリコン含有層は、アモルファス・シリコン層を含むことを特徴とする請求項9記載の方法。
- 前記1またはそれ以上のシリコン含有層は、窒化ケイ素ゲート誘電層および窒化ケイ素金属間誘電層をさらにを含むことを特徴とする請求項10記載の方法。
- 前記窒化ケイ素金属間誘電層、前記アモルファス・シリコン層、および前記窒化ケイ素ゲート誘電層をエッチングする段階であって、その結果、前記アモルファス・シリコン層の一部が暴露する、段階と、
前記窒化ケイ素金属間誘電層、前記アモルファス・シリコン層、および前記窒化ケイ素ゲート誘電層上にメサ・パッシベーション層を堆積させる段階であって、その結果、前記メサ・パッシベーション層が前記アモルファス・シリコン層の暴露部分をカバーする、段階と、
をさらに含むことを特徴とする請求項11記載の方法。 - 前記拡散バリアはタンタルを含み、
前記1またはそれ以上の接触要素は、金属層およびN+アモルファス・シリコン層をさらに含む、
ことを特徴とする請求項9−12のいずれかに記載の方法。 - 前記1またはそれ以上の接触要素を堆積させる段階は、前記金属層と前記N+アモルファス・シリコン層との間に前記拡散バリアを堆積させる段階を含むことを特徴とする請求項13記載の方法。
- 前記1またはそれ以上の接触要素をエッチングする段階であって、前記1またはそれ以上の接触要素が単一の工程でエッチングされることを特徴とする請求項14記載の方法。
- 前記1またはそれ以上のシリコンを堆積させる段階は、プラズマ化学気相成長法を使用する段階を含むことを特徴とする請求項9−15のいずれかに記載の方法。
- キャリア基板と、
フレキシブル基板と、
キャリア基板をフレキシブル基板に結合する接着層であって、前記接着層は、前記キャリア基板を前記フレキシブル基板に接着性をもって結合すると、前記フレキシブル基板を前記キャリア基板から手で剥離させることにより、前記フレキシブル基板を前記キャリア基板から分離することができるように形成する、接着層と、
前記フレキシブル基板上の金属ゲート層と、
前記金属ゲート層上のアモルファス・シリコン層であって、前記アモルファス・シリコン層は、少なくとも180℃の温度の工程中に堆積される、アモルファス・シリコン層と、
前記アモルファス・シリコン層上のN+アモルファス・シリコン層と、
拡散バリアと、
金属層と、
から構成される半導体デバイスであって、
前記拡散バリアは、前記金属層と前記N+アモルファス・シリコン層との間に位置することを特徴とする半導体デバイス。 - 前記フレキシブル基板は、ポリエチレン・ナフタレートを含むこと、
前記拡散バリアは、タンタルを含むこと、および、
前記金属層は、アルミニウムを含むこと、
のうちの少なくとも1つを特徴とする請求項17記載の半導体デバイス。 - 前記アモルファス・シリコン層と前記N+アモルファス・シリコン層との間にメサ・パッシベーション層をさらに含むことを特徴とする請求項17または18記載の半導体デバイス。
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SG176601A1 (en) | 2012-01-30 |
EP2436029A4 (en) | 2013-04-10 |
US8999778B2 (en) | 2015-04-07 |
KR101362025B1 (ko) | 2014-02-13 |
JP2012528489A (ja) | 2012-11-12 |
TW201117262A (en) | 2011-05-16 |
CN102460646A (zh) | 2012-05-16 |
WO2010138811A3 (en) | 2011-03-03 |
EP2436029A2 (en) | 2012-04-04 |
US20120061672A1 (en) | 2012-03-15 |
KR20120047872A (ko) | 2012-05-14 |
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