JP6436791B2 - 半導体装置 - Google Patents
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- JP6436791B2 JP6436791B2 JP2015007228A JP2015007228A JP6436791B2 JP 6436791 B2 JP6436791 B2 JP 6436791B2 JP 2015007228 A JP2015007228 A JP 2015007228A JP 2015007228 A JP2015007228 A JP 2015007228A JP 6436791 B2 JP6436791 B2 JP 6436791B2
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- 239000004065 semiconductor Substances 0.000 title claims description 53
- 239000000758 substrate Substances 0.000 claims description 30
- 239000002184 metal Substances 0.000 claims description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003071 parasitic effect Effects 0.000 description 8
- 238000002955 isolation Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- H01L27/02—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
- 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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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- H01L27/0611—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 integrated circuits having a two-dimensional layout of components without a common active region
- H01L27/0617—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 integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type
- H01L27/0629—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 integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type in combination with diodes, or resistors, or capacitors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/01—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions
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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
- H01L21/70—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
- H01L21/822—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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/20—Resistors
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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
- H01L29/68—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
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS transistors
- H01L29/7817—Lateral DMOS transistors, i.e. LDMOS transistors structurally associated with at least one other device
- H01L29/7818—Lateral DMOS transistors, i.e. LDMOS transistors structurally associated with at least one other device the other device being a pn-junction diode
- H01L29/7819—Lateral DMOS transistors, i.e. LDMOS transistors structurally associated with at least one other device the other device being a pn-junction diode in antiparallel, e.g. freewheel diode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
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- H—ELECTRICITY
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- 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
- H01L29/68—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
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- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Integrated Circuits (AREA)
Description
本発明は、上記課題に鑑みてなされ、発熱源と感熱素子の間の温度差を縮小できる半導体装置を提供する。
導通状態の際に電流が流れることで熱破壊に至る可能性があるパワー素子と
温度を検出するための感熱素子と、を有し、
前記パワー素子と前記感熱素子は、同一半導体基板上に形成され、
前記感熱素子はPN接合を有し、PN接合を形成するP型領域、N型領域のどちらか一方が、抵抗体を介してグランド電位VSS、もしくは電源電位VDDのどちらかに接続されており、
前記PN接合の両端の電位差と、抵抗体の両端の電位差の和が、温度検出の信号として使われることを特徴とする半導体装置を提供する。
ここでは、矩形の感温素子は三方をP型MOSパワー素子によって囲まれているとしたが、二方あるいは二辺でも良いし、四方あるいは四辺でも良い。
抵抗の最小値は、寄生動作を防止できるかどうかで決まる。調査したところ50Ωないと防止効果が乏しかった。以上から、抵抗値は50Ω以上、200kΩ以下となる。
また、6bと7bの間には素子分離領域が必要なので、素子分離領域上に抵抗体を置けるのも都合がよい。
図4(A)は、パワー素子の中心に感熱素子を配置したものである。
図4(B)は、パワー素子の中心から少しずれた位置に感熱素子を配置したものである。
図4(C)は、感熱素子の3辺が、パワー素子に囲まれるように配置したものである。
図4(D)は、感熱素子をパワー素子の頂点付近に配置したものである。
感熱素子と制御回路をパワー素子に囲まれるように配置するよりも、感熱素子のみをパワー素子に囲まれるように配置することで、前記温度差が小さくなる。
以上の説明では、分かり易く説明するために、P型の半導体基板で、P型のパワー素子を有する半導体装置について述べたが、これに限定されるものではない。
また、感熱素子からの信号は、グランド電位VSSとの電位差に限定されるものではなく、例えば、電源電位VDDとの電位差を信号に用いても本発明を同様に実施することが可能である。
2 Nウェル
2a P型MOSパワー素子のNウェル
2b 感熱素子のNウェル
3 素子分離領域
4 ゲート電極
5 抵抗体
6 N型高濃度領域
6a P型MOSパワー素子のNウェルのN型高濃度領域
6b 感熱素子のNウェルのN型高濃度領域
7 P型高濃度領域
7a P型MOSパワー素子のソース/ドレイン
7b P型半導体基板のP型高濃度領域
7c 感熱素子のP型高濃度領域
8 コンタクト
9 メタル配線
11 感熱素子
12 パワー素子
13 チップ全体
14 パッド
15 メタル配線
Claims (11)
- 半導体基板と、
前記半導体基板に設けられたパワー素子と、感熱素子と、抵抗体と、を有し、
前記感熱素子は前記半導体基板内に形成されたPN接合を有し、前記PN接合を形成するP型領域、N型領域のどちらか一方が、前記抵抗体を介してグランド電位VSS、もしくは電源電位VDDのどちらかに接続され、
平面視的に、前記感熱素子のPN接合の一方の極性の第1領域が、他方の極性の第2領域で囲まれており、
前記第2領域が、半導体基板と同一極性の第3領域で囲まれており、
前記第2領域は、前記第2領域とおなじ極性を有する第2高濃度領域を有し、
前記第3領域は、前記第3領域とおなじ極性を有する第3高濃度領域を有し、
少なくとも前記抵抗体の一部が、前記第2高濃度領域と、前記第3高濃度領域とにより挟まれていることを特徴とする半導体装置。 - 前記パワー素子は、平面視において前記感熱素子が収まる窪みを有しており、前記窪みには前記パワー素子のウェル、ソース、ドレインおよびゲート電極が形成されていないことを特徴とする請求項1記載の半導体装置。
- 前記抵抗体の抵抗値は、50Ω以上、200kΩ以下であることを特徴とする請求項1または2記載の半導体装置。
- 前記抵抗体が多結晶シリコンから成ることを特徴とする請求項1乃至3のいずれか1項に記載の半導体装置。
- 前記抵抗体の幅が、前記第2高濃度領域と、前記第3高濃度領域との間の距離の2分の1以上であることを特徴とする請求項1乃至4のいずれか1項記載の半導体装置。
- 前記感熱素子の形状は矩形であり、少なくとも前記矩形の2辺が、前記パワー素子の外郭に沿っていることを特徴とする請求項1乃至5のいずれか1項に記載の半導体装置。
- 前記感熱素子の形状は矩形であり、少なくとも前記矩形の3辺が、前記パワー素子の外郭に沿っていることを特徴とする請求項1乃至5のいずれか1項に記載の半導体装置。
- 前記感熱素子の形状は矩形であり、前記矩形の4辺が、前記パワー素子の外郭に沿っていることを特徴とする請求項1乃至5のいずれか1項に記載の半導体装置。
- 前記PN接合の両端の電位差と、前記抵抗体の両端の電位差の和が、温度検出の信号として使われることを特徴とする請求項1乃至8のいずれか1項に記載の半導体装置。
- 前記温度検出の信号を用いて、前記パワー素子を制御する回路に遅延機能を有することを特徴とする請求項9に記載の半導体装置。
- パッドをさらに有し、前記パワー素子と前記パッドとを結ぶメタル配線の一部が、前記感熱素子の少なくとも一部の上に配置されていることを特徴とする請求項1乃至10のいずれか1項に記載の半導体装置。
Priority Applications (5)
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JP2015007228A JP6436791B2 (ja) | 2015-01-16 | 2015-01-16 | 半導体装置 |
TW104143865A TWI666731B (zh) | 2015-01-16 | 2015-12-25 | 半導體裝置 |
US14/987,528 US9472547B2 (en) | 2015-01-16 | 2016-01-04 | Semiconductor device |
KR1020160003341A KR102432745B1 (ko) | 2015-01-16 | 2016-01-11 | 반도체 장치 |
CN201610025886.4A CN105810678B (zh) | 2015-01-16 | 2016-01-15 | 半导体装置 |
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JP2015007228A JP6436791B2 (ja) | 2015-01-16 | 2015-01-16 | 半導体装置 |
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JP2016134455A5 JP2016134455A5 (ja) | 2017-12-14 |
JP6436791B2 true JP6436791B2 (ja) | 2018-12-12 |
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KR (1) | KR102432745B1 (ja) |
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TW (1) | TWI666731B (ja) |
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JP6305468B2 (ja) | 2016-07-06 | 2018-04-04 | 株式会社ニトムズ | 粘着クリーナー |
JP2018055742A (ja) * | 2016-09-28 | 2018-04-05 | エイブリック株式会社 | 不揮発性半導体記憶装置 |
WO2020162013A1 (ja) * | 2019-02-07 | 2020-08-13 | 富士電機株式会社 | 半導体装置 |
CN114761773A (zh) * | 2019-05-21 | 2022-07-15 | 触控解决方案股份有限公司 | 芯片级封装中的组合式近红外和中红外传感器 |
TWI742613B (zh) * | 2020-04-14 | 2021-10-11 | 聯陽半導體股份有限公司 | 積體電路的溫度感測裝置 |
CN111682070A (zh) * | 2020-07-30 | 2020-09-18 | 电子科技大学 | 抑制可控型采样场效应晶体管负温度特性的器件 |
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JPH0693485B2 (ja) * | 1985-11-29 | 1994-11-16 | 日本電装株式会社 | 半導体装置 |
JP2522208B2 (ja) * | 1987-03-19 | 1996-08-07 | 日本電装株式会社 | 半導体装置 |
JP3125529B2 (ja) * | 1993-08-23 | 2001-01-22 | 富士電機株式会社 | 半導体装置 |
JP2701824B2 (ja) | 1996-02-09 | 1998-01-21 | 株式会社デンソー | 半導体装置 |
JP3431127B2 (ja) * | 1997-03-31 | 2003-07-28 | 松下電器産業株式会社 | 電子装置および電子スイッチ装置 |
DE102004021393B4 (de) * | 2004-04-30 | 2006-06-14 | Infineon Technologies Ag | Feldeffekt-Leistungstransistor |
DE102004047752B3 (de) * | 2004-09-30 | 2006-01-26 | Infineon Technologies Ag | Halbleiterbauteil mit Temperatursensor |
JP5028748B2 (ja) * | 2005-04-15 | 2012-09-19 | 富士電機株式会社 | パワー半導体デバイスの温度計測装置 |
JP5125106B2 (ja) * | 2007-01-15 | 2013-01-23 | 株式会社デンソー | 半導体装置 |
JP2008198821A (ja) * | 2007-02-14 | 2008-08-28 | Ricoh Co Ltd | 過熱保護回路を備える定電圧回路を内蔵した半導体装置 |
JP4934491B2 (ja) * | 2007-05-09 | 2012-05-16 | 株式会社リコー | 過熱保護回路およびそれを具備する電子機器、ならびにその制御方法 |
JP2008301305A (ja) * | 2007-06-01 | 2008-12-11 | Renesas Technology Corp | 半導体集積回路 |
US8089134B2 (en) * | 2008-02-06 | 2012-01-03 | Fuji Electric Sytems Co., Ltd. | Semiconductor device |
DE102008011816B4 (de) * | 2008-02-29 | 2015-05-28 | Advanced Micro Devices, Inc. | Temperaturüberwachung in einem Halbleiterbauelement unter Anwendung eines pn-Übergangs auf der Grundlage von Silizium/Germaniummaterial |
JP5391955B2 (ja) * | 2009-09-15 | 2014-01-15 | 株式会社リコー | 半導体装置 |
US9559162B2 (en) * | 2013-06-19 | 2017-01-31 | Globalfoundries Inc. | Thermoresistance sensor structure for integrated circuits and method of making |
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- 2015-12-25 TW TW104143865A patent/TWI666731B/zh active
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- 2016-01-04 US US14/987,528 patent/US9472547B2/en active Active
- 2016-01-11 KR KR1020160003341A patent/KR102432745B1/ko active IP Right Grant
- 2016-01-15 CN CN201610025886.4A patent/CN105810678B/zh active Active
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CN105810678A (zh) | 2016-07-27 |
KR20160088807A (ko) | 2016-07-26 |
CN105810678B (zh) | 2020-09-01 |
US20160211256A1 (en) | 2016-07-21 |
KR102432745B1 (ko) | 2022-08-16 |
TW201637132A (zh) | 2016-10-16 |
JP2016134455A (ja) | 2016-07-25 |
TWI666731B (zh) | 2019-07-21 |
US9472547B2 (en) | 2016-10-18 |
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