JP2017034082A - 二次電池搭載チップの製造方法 - Google Patents
二次電池搭載チップの製造方法 Download PDFInfo
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- JP2017034082A JP2017034082A JP2015152490A JP2015152490A JP2017034082A JP 2017034082 A JP2017034082 A JP 2017034082A JP 2015152490 A JP2015152490 A JP 2015152490A JP 2015152490 A JP2015152490 A JP 2015152490A JP 2017034082 A JP2017034082 A JP 2017034082A
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- oxide semiconductor
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
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- 239000007772 electrode material Substances 0.000 description 4
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- 229910001416 lithium ion Inorganic materials 0.000 description 4
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
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- 229910004298 SiO 2 Inorganic materials 0.000 description 2
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- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
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Classifications
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- 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
- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the subgroups H01L21/06 - H01L21/326, e.g. sealing of a cap to a base of a container
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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- H01M10/04—Construction or manufacture in general
- H01M10/0431—Cells with wound or folded electrodes
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- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
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- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
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- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
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- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
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- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
- H01M10/0562—Solid materials
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/40—Printed batteries, e.g. thin film batteries
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/8258—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using a combination of technologies covered by H01L21/8206, H01L21/8213, H01L21/822, H01L21/8252, H01L21/8254 or H01L21/8256
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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
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
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- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
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- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48245—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic
- H01L2224/48247—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being metallic connecting the wire to a bond pad of the item
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- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Semiconductor Integrated Circuits (AREA)
- Battery Mounting, Suspending (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
(実施例)
各層界面でのエッチングガスの切り替わり時に発生するエッチング不良を回避するため、洗浄液での残渣除去、洗浄処理を行った。最後のTiO2膜(n型金属酸化物半導体層)のエッチング後にも、残渣除去のため、洗浄液で処理をした。その後、アッシングと溶剤系で、不要なレジストを除去した。
12 第一電極
14 充電機能層
16 第二電極
18 p型金属酸化物半導体層
20 ウェハ
22 チップ
24 チップ基板
26,40 電極パッド
28 電子回路
32 ゲート電極
34 第1配線層
36 第2配線層
38 第3配線層
39 パッシベーション膜
42 ビアホール
44 スクライブ領域
46 二次電池搭載領域
48 二次電池形成領域
50,50−1〜8 酸化物半導体二次電池
52 第一電極
54 n型金属酸化物半導体層
56 充電層
58 p型金属酸化物半導体層
60 第二電極
70,80 パッシベーション膜
72,72−1 第一電極接続用開口部
74 第一電極パッド
76 第一電極接続線
78 第二電極パッド
82−1,82−2,82−3 第二電極接続用開口部
84 第二電極接続線
86 直列接続線
90 酸化物半導体二次電池搭載チップ
92 外部電源
94−1,94−2 電源インピーダンス
96 回路素子
98 出力ドライバ
99 ディスチャージ電流
100−1,100−2 デカップリングコンデンサ
102 出力信号線
104−1電源ノイズ
104−2 グランドノイズ
106 従来のスルーレイト
108 二次電池搭載回路チップのスルーレイト
110−1、110−2 モノリシック固体薄膜二次電池群
112−1、112−2 内部配線
113 論理回路部
114 メモリ回路部
116 IC/LSIメモリー回路部
120 リードフレーム
122 固体電池
124 半導体チップ
126 エポキシ樹脂
128 金ワイヤー
Claims (18)
- 第一電極と充電機能層と第二電極を積層して構成される酸化物半導体二次電池を、回路上に積層したチップの製造方法であって、
ウェハ上に形成された複数のチップの各チップに対応した領域に対して個別に酸化物半導体二次電池を形成することなく、前記複数のチップに対応した領域に対して一体的に酸化物半導体二次電池を積層して形成する積層プロセスと、
一体的に形成された前記酸化物半導体二次電池に対して、前記各チップに対応した領域を残して、前記各チップに対応してない他の領域を除去するパターンエッチングを行い、前記各チップに対応した個別酸化物半導体二次電池に分割する分割プロセスと、
を備えたことを特徴とする酸化物半導体二次電池を搭載したチップの製造方法。 - 前記第一電極を前記各チップに形成された第一電極パッドと接続する第一電極接続線形成プロセスと、
前記第二電極を前記チップに形成された前記第一電極パッドとは異なる第二電極パッドと接続する第二電極接続線形成プロセスと、
を備えていることを特徴とする請求項1に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 絶縁層を介して、前記各チップの上に前記第一電極を形成する第一電極形成プロセスと、
前記絶縁層のビアホールを介して、前記第一電極を前記各チップの第一電極パッドに接続する第一電極接続線を形成する第一電極接続線形成プロセスと、
を備え、
前記第一電極形成プロセスと前記第一電極接続線形成プロセスとを、同時に行うこと、
を特徴とする請求項1に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 前記各チップの上に形成された絶縁層を介して、前記各チップの上に前記第一電極を形成する前に、前記絶縁層を平坦化する第一平坦化プロセスを有すること、
を特徴とする請求項1に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 前記第一電極接続線形成プロセスと前記第一電極形成プロセスとを、同時に行った後に、前記第一電極パッドを覆い、且つ、前記絶縁層と前記第一電極との段差を平坦化するように前記絶縁層の膜厚を厚くする第二平坦化プロセスを有すること、
を特徴とする請求項3に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 前記分割プロセスの後に、前記第二電極を、前記チップに形成された前記第一電極パッドとは異なる第二電極パッドに接続する第二電極接続線形成プロセスを備えていること、
を特徴とする請求項1に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 前記各チップの上に絶縁層を形成する絶縁層形成プロセスと、
前記絶縁層を平坦化するプロセスと、
前記絶縁層に、前記各チップに連通する開口部を形成する開口部形成プロセスと、を行い、
前記絶縁層上、及び前記開口部に第一電極パターンを形成することにより、前記第一電極形成プロセスと、前記第一電極接続線形成プロセスとを、同時に行うこと、
を特徴とする請求項3に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 前記充電機能層は、
前記第一電極の上にn型金属酸化物半導体層を形成するn型金属酸化物半導体形成プロセスと、
前記n型金属酸化物半導体層の上に、絶縁体にn型金属酸化物半導体充填された充電層を形成する充電層形成プロセスと、
前記充電層の上に、p型金属酸化物半導体層を形成するp型金属酸化物半導体層形成プロセスと、
で形成されることを特徴とする請求項1に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 前記第二電極と前記チップとの接続は、
前記第二電極を形成した後に、前記第二電極を含む前記個別酸化物半導体二次電池を覆う領域に、絶縁性のパッシベーション膜を形成するパッシベーション膜形成プロセスと、
前記第二電極に対応する領域と、前記第二電極が接続される前記各チップに対応する領域の前記パッシベーション膜を除去する除去プロセスと、
前記除去プロセスによって前記パッシベーションが除去された領域に、前記第二電極と前記各チップとを接続する第二電極接続線パターンを形成する第二電極接続線形成プロセスと、
により行われることを特徴とする請求項1に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 前記充電層は、脂肪酸チタン及びシリコーンオイルを含む薬液を塗布、焼成することにより形成されること、
を特徴とする請求項8に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 焼成により形成された前記充電層に、紫外線を照射すること、
を特徴とする請求項10に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 前記分割プロセスにおいて、
一体的に形成された前記酸化物半導体二次電池を複数個に分割して、各チップに対して複数個の二次電池を形成すること、
を特徴とする請求項1に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 各チップに対して形成された複数の前記酸化物半導体二次電池を、直列に接続する直列接続線形成プロセスを含んだこと、
を特徴とする請求項12に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 各チップに対して形成された複数の前記酸化物半導体二次電池の一部の二次電池を、前記各チップに接続せず、
前記一部の酸化物半導体二次電池を、他のチップに接続する酸化物半導体二次電池に直列に接続する直列接続線形成プロセスを含んでいること、
を特徴とする請求項1に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - 前記直列接続線形成プロセスは、
前記第二電極と前記ウェハに形成された第二電極パッドとを接続する、第二電極接続線形成プロセスと同時に行うこと、
を特徴とする請求項14に記載の酸化物半導体二次電池を搭載したチップの製造方法。 - チップの上に形成された絶縁層と、
前記絶縁層の開口部に形成された第一電極接続線を介して前記チップの第一電極パッドと接続される第一電極と、
n型金属酸化物半導体層と
絶縁物質にn型金属酸化物半導体を充填した充電層と、
p型金属酸化物半導体層と、
第二電極と、
前記第二電極上及び積層された層を覆うパシベーション膜と、
前記パシベーション膜の開口部に形成され、前記第二電極と前記第一電極パッドとは異なる前記チップの第二電極パッドとを接続する第二電極接続線と、
をこの順に積層した積層体により構成される酸化物半導体二次電池。 - 複数のチップと、
前記複数のチップの上に形成した複数の酸化物半導体二次電池と、
を備え、
前記複数の酸化物半導体二次電池のうちの一部の酸化物半導体二次電池は、前記チップへは接続されず、前記複数のチップから独立した酸化物半導体二次電池であること、
を特徴とする酸化物半導体二次電池を搭載したチップ。 - 第一電極と充電機能層と第二電極を積層して構成される酸化物半導体二次電池を、回路上に積層したチップの製造方法であって、
ウェハ上に形成された前記チップに対応した領域に対して一体的に酸化物半導体二次電池を積層して形成する積層プロセスと、
一体的に形成された前記酸化物半導体二次電池に対して、前記チップに対応した領域を残して、前記チップに対応してない他の領域を除去するパターンエッチングを行い、前記チップに対応した酸化物半導体二次電池を形成する形成プロセスと、
を備えたことを特徴とする酸化物半導体二次電池を搭載したチップの製造方法。
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |