JP2008244092A - 半導体装置、及び半導体装置の製造方法 - Google Patents
半導体装置、及び半導体装置の製造方法 Download PDFInfo
- Publication number
- JP2008244092A JP2008244092A JP2007081693A JP2007081693A JP2008244092A JP 2008244092 A JP2008244092 A JP 2008244092A JP 2007081693 A JP2007081693 A JP 2007081693A JP 2007081693 A JP2007081693 A JP 2007081693A JP 2008244092 A JP2008244092 A JP 2008244092A
- Authority
- JP
- Japan
- Prior art keywords
- region
- semiconductor
- semiconductor region
- oxide film
- semiconductor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 224
- 238000000034 method Methods 0.000 title claims description 17
- 238000004519 manufacturing process Methods 0.000 title claims description 13
- 239000000758 substrate Substances 0.000 claims abstract description 40
- 239000012535 impurity Substances 0.000 claims description 81
- 238000002955 isolation Methods 0.000 claims description 67
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 abstract description 25
- 230000010354 integration Effects 0.000 abstract description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 42
- 229910052710 silicon Inorganic materials 0.000 description 42
- 239000010703 silicon Substances 0.000 description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 27
- 229910052814 silicon oxide Inorganic materials 0.000 description 27
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 15
- 230000005684 electric field Effects 0.000 description 13
- 238000009792 diffusion process Methods 0.000 description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 9
- 108091006146 Channels Proteins 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000005468 ion implantation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- -1 boron ions Chemical class 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 108090000699 N-Type Calcium Channels Proteins 0.000 description 2
- 102000004129 N-Type Calcium Channels Human genes 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000012489 doughnuts Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- 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
- H01L27/12—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 other than a semiconductor body, e.g. an insulating body
- H01L27/1203—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 other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
-
- 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
- H01L29/02—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
- H01L29/0603—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/0619—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
-
- 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
- H01L29/02—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
- H01L29/0603—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—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 characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
- H01L29/063—Reduced surface field [RESURF] pn-junction structures
- H01L29/0634—Multiple reduced surface field (multi-RESURF) structures, e.g. double RESURF, charge compensation, cool, superjunction (SJ), 3D-RESURF, composite buffer (CB) structures
-
- 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
- H01L29/02—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
- H01L29/08—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 with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
- H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
- H01L29/0873—Drain regions
- H01L29/0878—Impurity concentration or distribution
-
- 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
- H01L29/02—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
- H01L29/10—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 with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1095—Body region, i.e. base region, of DMOS transistors or IGBTs
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/402—Field plates
-
- 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41775—Source or drain electrodes for field effect devices characterised by the proximity or the relative position of the source or drain electrode and the gate electrode, e.g. the source or drain electrode separated from the gate electrode by side-walls or spreading around or above the gate electrode
-
- 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
- H01L29/66234—Bipolar junction transistors [BJT]
- H01L29/66325—Bipolar junction transistors [BJT] controlled by field-effect, e.g. insulated gate bipolar transistors [IGBT]
-
- 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
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66681—Lateral DMOS transistors, i.e. LDMOS transistors
-
- 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
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7394—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET on an insulating layer or substrate, e.g. thin film device or device isolated from the bulk substrate
-
- 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
- H01L29/7824—Lateral DMOS transistors, i.e. LDMOS transistors with a substrate comprising an insulating layer, e.g. SOI-LDMOS transistors
-
- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76283—Lateral isolation by refilling of trenches with dielectric material
-
- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76286—Lateral isolation by refilling of trenches with polycristalline material
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Composite Materials (AREA)
- Thin Film Transistor (AREA)
- Element Separation (AREA)
Abstract
【解決手段】ドレイン領域の表面に反対導電型のフローティング層を設けた構造とすることで微細化に悪影響を与えず、高耐圧化が実現できる。さらに、SOIの厚さを30μm以上とすることで埋め込み酸化膜の厚さを実用化レベルまで薄くできる。
【選択図】図2
Description
Claims (9)
- 支持基板と、前記支持基板に積層された絶縁膜と、前記絶縁膜に積層された半導体層とを含み、前記半導体層の主表面から前記絶縁膜に達する誘電体により前記半導体層を分離して形成される半導体領域の少なくとも1つにMOSトランジスタが設けられた半導体装置であって、
前記MOSトランジスタは、
前記半導体層を低濃度のドレイン領域とした第1の半導体領域と、
前記第1の半導体領域に含まれる、前記第1の半導体領域とは反対の導電型の第2の半導体領域と、
ソース電極とドレイン電極との間で、前記第1の半導体領域の表面の少なくとも一部と隣接するように設けられたフィールド酸化膜と、を含み、
前記第2の半導体領域は、前記第1の半導体領域の前記フィールド酸化膜と隣接した位置に、電気的にフローティング状態で形成される、
ことを特徴とする半導体装置。 - 前記絶縁膜の厚さを4μm以下とし、前記半導体層の厚さを30μm以上とする、
ことを特徴とする請求項1に記載の半導体装置。 - 前記第2の半導体領域の少なくとも一部が、前記ソース電極の下に配置される、
ことを特徴とする請求項1又は2に記載の半導体装置。 - 前記MOSトランジスタは、
前記第1の半導体領域に含まれる、前記第1の半導体領域と同じ導電型でより不純物濃度の高い第3の半導体領域をさらに含み、
前記第3の半導体領域は、少なくともドレイン引き出し領域の下で、前記絶縁膜と隣接する側の前記第1の半導体領域の面に形成される、
ことを特徴とする請求項1乃至3のいずれかに記載の半導体装置。 - 前記MOSトランジスタは、
前記第1の半導体領域に含まれる、前記第2の半導体領域と同じ導電型でより不純物濃度の高い第4の半導体領域をさらに含み、
前記第4の半導体領域は、ソース電極の下で誘電体分離領域の側面に隣接して形成される、
ことを特徴とする請求項1乃至4のいずれかに記載の半導体装置。 - 前記MOSトランジスタは、
前記第1の半導体領域に含まれる、前記第2の半導体領域と同じ導電型でより不純物濃度の高い少なくとも1つの第5の半導体領域をさらに含み、
前記第5の半導体領域は、前記第2の半導体領域を取り囲み、ソース電極側の第1の半導体領域の面に形成される、
ことを特徴とする請求項1乃至5のいずれかに記載の半導体装置。 - 支持基板と、前記支持基板に積層された絶縁膜と、前記絶縁膜に積層された半導体層とを含み、前記半導体層の主表面から前記絶縁膜に達する誘電体により前記半導体層を分離して形成される半導体領域のうち少なくとも1つに第1導電型のチャネル領域を形成する第1導電型MOSトランジスタが設けられ、他の少なくとも1つに第2導電型のチャネル領域を形成する第2導電型MOSトランジスタが設けられた半導体装置であって、
前記第1導電型MOSトランジスタは、
前記半導体層を低濃度のドレイン領域とした第1の半導体領域と、
前記第1の半導体領域に含まれる、前記第1の半導体領域とは反対の導電型の第2の半導体領域と、
ソース電極とドレイン電極との間で、前記第1の半導体領域の表面の少なくとも一部と隣接するように設けられたフィールド酸化膜と、を含み、
前記第2の半導体領域は、前記第1の半導体領域の前記フィールド酸化膜と隣接した位置に、電気的にフローティング状態で形成され、
前記第2導電型MOSトランジスタは、
前記第1の半導体領域に含まれる、前記第1の半導体領域とは反対の導電型の低濃度のドレイン領域及び高濃度のドレイン領域と、
前記ドレイン領域に囲まれるソース電極及びゲート電極と、
前記低濃度のドレイン領域に含まれる、前記低濃度のドレイン領域とは反対の導電型の第3の半導体領域と、
前記ソース電極とドレイン領域との間で、前記低濃度及び高濃度のドレイン領域の表面の少なくとも一部と隣接するように設けられるフィールド酸化膜と、を含み、
前記第3の半導体領域は、前記ドレイン領域の前記フィールド酸化膜と隣接した位置に、電気的にフローティング状態で形成される、
ことを特徴とする半導体装置。 - 支持基板と、前記支持基板に積層された絶縁膜と、前記絶縁膜に積層された半導体層とを含み、前記半導体層の主表面から前記絶縁膜に達する誘電体により前記半導体層を分離して形成される半導体領域の少なくとも1つにIGBTトランジスタが設けられた半導体装置であって、
前記IGBTトランジスタは、
前記半導体層を低濃度のコレクタ領域とした第1の半導体領域と、
前記第1の半導体領域に含まれる、前記第1の半導体領域とは反対の導電型の第2の半導体領域と、
エミッタ電極とコレクタ電極との間で、前記第1の半導体領域の表面の少なくとも一部と隣接するように設けられたフィールド酸化膜と、を含み、
前記第1の半導体領域は、前記第2の半導体領域の前記フィールド酸化膜と隣接した位置に、電気的にフローティング状態で形成される、
ことを特徴とする半導体装置。 - 支持基板と、前記支持基板に積層された絶縁膜と、前記絶縁膜に積層された半導体層とを含む基板に対して、前記半導体層の主表面から前記絶縁膜に達する誘電体により前記半導体層を分離した第1の半導体領域を形成する工程と、
前記第1の半導体領域の表面に、前記第1の半導体領域とは反対の導電型の第2の半導体領域を電気的にフローティング状態で形成する工程と、
前記第2の半導体領域が形成された前記第1の半導体領域の上に、選択酸化により素子活性層を分離するフィールド酸化膜を形成する工程と、
前記フィールド酸化膜を形成した後に、前記第1の半導体領域の表面に、ゲート酸化膜とゲート電極とを形成する工程と、
を含むことを特徴とする半導体装置の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007081693A JP4616856B2 (ja) | 2007-03-27 | 2007-03-27 | 半導体装置、及び半導体装置の製造方法 |
US12/028,157 US8134207B2 (en) | 2007-03-27 | 2008-02-08 | High breakdown voltage semiconductor circuit device |
EP08002482A EP1976011A3 (en) | 2007-03-27 | 2008-02-11 | High breakdown voltage semiconductor circuit device and method of manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007081693A JP4616856B2 (ja) | 2007-03-27 | 2007-03-27 | 半導体装置、及び半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008244092A true JP2008244092A (ja) | 2008-10-09 |
JP4616856B2 JP4616856B2 (ja) | 2011-01-19 |
Family
ID=39574574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007081693A Expired - Fee Related JP4616856B2 (ja) | 2007-03-27 | 2007-03-27 | 半導体装置、及び半導体装置の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8134207B2 (ja) |
EP (1) | EP1976011A3 (ja) |
JP (1) | JP4616856B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011096967A (ja) * | 2009-11-02 | 2011-05-12 | Fuji Electric Systems Co Ltd | 半導体装置 |
JP2012023165A (ja) * | 2010-07-14 | 2012-02-02 | Hitachi Ltd | 半導体装置及びその製造方法 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008251923A (ja) * | 2007-03-30 | 2008-10-16 | Sanyo Electric Co Ltd | 半導体装置 |
SE533026C2 (sv) * | 2008-04-04 | 2010-06-08 | Klas-Haakan Eklund | Fälteffekttransistor med isolerad gate seriekopplad med en JFET |
KR100969146B1 (ko) * | 2009-02-18 | 2010-07-08 | 엘지이노텍 주식회사 | 반도체 발광소자 및 그 제조방법 |
JP5452195B2 (ja) * | 2009-12-03 | 2014-03-26 | 株式会社 日立パワーデバイス | 半導体装置及びそれを用いた電力変換装置 |
US10529866B2 (en) * | 2012-05-30 | 2020-01-07 | X-Fab Semiconductor Foundries Gmbh | Semiconductor device |
CN104969355B (zh) * | 2013-01-30 | 2018-02-13 | 密克罗奇普技术公司 | Esd自我保护及含该保护的lin总线驱动器的dmos半导体装置 |
US20150048452A1 (en) * | 2013-08-16 | 2015-02-19 | Macronix International Co., Ltd. | Ultra-high voltage semiconductor having an isolated structure for high side operation and method of manufacture |
CN105374883B (zh) * | 2014-08-28 | 2018-06-08 | 旺宏电子股份有限公司 | 高压元件及其制造方法 |
US9455339B2 (en) * | 2014-09-09 | 2016-09-27 | Macronix International Co., Ltd. | High voltage device and method for manufacturing the same |
TWI549304B (zh) * | 2015-08-06 | 2016-09-11 | 世界先進積體電路股份有限公司 | 半導體裝置及其製造方法 |
US9614078B1 (en) | 2015-10-22 | 2017-04-04 | Vanguard International Semiconductor Corporation | Metal-oxide field effect transistor having an oxide region within a lightly doped drain region |
JP6789177B2 (ja) * | 2017-06-02 | 2020-11-25 | 株式会社東芝 | 半導体装置 |
CN108899362B (zh) * | 2018-08-22 | 2024-04-12 | 江苏中科君芯科技有限公司 | 平面栅igbt器件 |
DE102019004060B3 (de) * | 2019-06-11 | 2020-05-07 | Tdk-Micronas Gmbh | lsolierte Hallsensorstruktur |
CN116978945A (zh) * | 2022-04-21 | 2023-10-31 | 无锡华润上华科技有限公司 | 绝缘体上硅横向器件及其制造方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0745699A (ja) * | 1993-07-27 | 1995-02-14 | Toshiba Corp | 誘電体分離型半導体装置 |
JPH0823091A (ja) * | 1994-07-06 | 1996-01-23 | Nec Kansai Ltd | 電界効果トランジスタ及びその製造方法 |
JPH10506503A (ja) * | 1995-07-19 | 1998-06-23 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | Hv−ldmost型の半導体装置 |
JPH10229189A (ja) * | 1997-02-13 | 1998-08-25 | Sanyo Electric Co Ltd | 半導体装置及び半導体装置の製造方法 |
JP2001308338A (ja) * | 2000-04-26 | 2001-11-02 | Hitachi Ltd | 絶縁ゲート電界効果トランジスタ及び半導体集積回路 |
JP2005093696A (ja) * | 2003-09-17 | 2005-04-07 | Matsushita Electric Ind Co Ltd | 横型mosトランジスタ |
JP2006269964A (ja) * | 2005-03-25 | 2006-10-05 | Toyota Motor Corp | 半導体装置とその製造方法 |
JP2006303350A (ja) * | 2005-04-25 | 2006-11-02 | Matsushita Electric Ind Co Ltd | 半導体装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5241210A (en) | 1987-02-26 | 1993-08-31 | Kabushiki Kaisha Toshiba | High breakdown voltage semiconductor device |
DE19811604B4 (de) | 1997-03-18 | 2007-07-12 | Kabushiki Kaisha Toshiba, Kawasaki | Halbleitervorrichtung |
JPH1154748A (ja) * | 1997-08-04 | 1999-02-26 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
US6150697A (en) * | 1998-04-30 | 2000-11-21 | Denso Corporation | Semiconductor apparatus having high withstand voltage |
JP3517154B2 (ja) * | 1998-04-30 | 2004-04-05 | 株式会社東芝 | 誘電体分離集積回路 |
KR100281908B1 (ko) * | 1998-11-20 | 2001-02-15 | 김덕중 | 반도체소자 및 그 제조방법 |
JP2000332247A (ja) | 1999-03-15 | 2000-11-30 | Toshiba Corp | 半導体装置 |
JP2001102569A (ja) * | 1999-09-28 | 2001-04-13 | Fuji Electric Co Ltd | 半導体デバイス |
RU2276429C2 (ru) * | 2000-09-21 | 2006-05-10 | Кембридж Семикондактор Лимитед | Полупроводниковое устройство и способ формирования полупроводникового устройства |
JP4471480B2 (ja) * | 2000-10-18 | 2010-06-02 | 三菱電機株式会社 | 半導体装置 |
US20020125530A1 (en) * | 2001-03-07 | 2002-09-12 | Semiconductor Components Industries, Llc. | High voltage metal oxide device with multiple p-regions |
JP3783156B2 (ja) * | 2001-10-17 | 2006-06-07 | 株式会社日立製作所 | 半導体装置 |
JP4590884B2 (ja) * | 2003-06-13 | 2010-12-01 | 株式会社デンソー | 半導体装置およびその製造方法 |
JP2005064472A (ja) | 2003-07-25 | 2005-03-10 | Fuji Electric Device Technology Co Ltd | 半導体装置 |
DE102004007197B4 (de) * | 2004-02-13 | 2012-11-08 | Infineon Technologies Ag | Hochsperrendes Halbleiterbauelement mit niedriger Durchlassspannung |
US6995428B2 (en) * | 2004-02-24 | 2006-02-07 | System General Corp. | High voltage LDMOS transistor having an isolated structure |
JP5003043B2 (ja) * | 2005-10-26 | 2012-08-15 | 株式会社デンソー | 半導体装置 |
-
2007
- 2007-03-27 JP JP2007081693A patent/JP4616856B2/ja not_active Expired - Fee Related
-
2008
- 2008-02-08 US US12/028,157 patent/US8134207B2/en not_active Expired - Fee Related
- 2008-02-11 EP EP08002482A patent/EP1976011A3/en not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0745699A (ja) * | 1993-07-27 | 1995-02-14 | Toshiba Corp | 誘電体分離型半導体装置 |
JPH0823091A (ja) * | 1994-07-06 | 1996-01-23 | Nec Kansai Ltd | 電界効果トランジスタ及びその製造方法 |
JPH10506503A (ja) * | 1995-07-19 | 1998-06-23 | フィリップス エレクトロニクス ネムローゼ フェンノートシャップ | Hv−ldmost型の半導体装置 |
JPH10229189A (ja) * | 1997-02-13 | 1998-08-25 | Sanyo Electric Co Ltd | 半導体装置及び半導体装置の製造方法 |
JP2001308338A (ja) * | 2000-04-26 | 2001-11-02 | Hitachi Ltd | 絶縁ゲート電界効果トランジスタ及び半導体集積回路 |
JP2005093696A (ja) * | 2003-09-17 | 2005-04-07 | Matsushita Electric Ind Co Ltd | 横型mosトランジスタ |
JP2006269964A (ja) * | 2005-03-25 | 2006-10-05 | Toyota Motor Corp | 半導体装置とその製造方法 |
JP2006303350A (ja) * | 2005-04-25 | 2006-11-02 | Matsushita Electric Ind Co Ltd | 半導体装置 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011096967A (ja) * | 2009-11-02 | 2011-05-12 | Fuji Electric Systems Co Ltd | 半導体装置 |
US8242572B2 (en) | 2009-11-02 | 2012-08-14 | Fuji Electric Co., Ltd. | Semiconductor apparatus |
JP2012023165A (ja) * | 2010-07-14 | 2012-02-02 | Hitachi Ltd | 半導体装置及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1976011A2 (en) | 2008-10-01 |
US8134207B2 (en) | 2012-03-13 |
EP1976011A3 (en) | 2010-03-31 |
JP4616856B2 (ja) | 2011-01-19 |
US20080237631A1 (en) | 2008-10-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4616856B2 (ja) | 半導体装置、及び半導体装置の製造方法 | |
JP3462301B2 (ja) | 半導体装置及びその製造方法 | |
KR101531882B1 (ko) | 반도체 소자 및 그 제조 방법 | |
JP2005026664A (ja) | 半導体装置およびその製造方法 | |
JP5098026B2 (ja) | 高圧nmosトランジスタの製造方法 | |
US6166412A (en) | SOI device with double gate and method for fabricating the same | |
JP3103159B2 (ja) | 半導体装置 | |
JP2005136150A (ja) | 半導体装置及びその製造方法 | |
JP5040135B2 (ja) | 誘電体分離型半導体装置及びその製造方法 | |
JP2007201391A (ja) | 半導体装置 | |
JP2000332247A (ja) | 半導体装置 | |
KR20110078621A (ko) | 반도체 소자 및 그 제조 방법 | |
US10615079B2 (en) | Semiconductor device and method for manufacturing the same | |
US20070090454A1 (en) | Transistor device | |
JP5087816B2 (ja) | 半導体装置およびその製造方法 | |
KR19980020943A (ko) | 절연막 터널링 트랜지스터 및 그 제조방법 | |
JP3354127B2 (ja) | 高電圧素子及びその製造方法 | |
JP5132481B2 (ja) | 半導体集積回路装置 | |
JP5092202B2 (ja) | 半導体装置 | |
JP5560124B2 (ja) | 半導体装置及びその製造方法 | |
WO2009041741A1 (ja) | Dmosトランジスタ及びその製造方法 | |
JP2009266868A (ja) | Mosfetおよびmosfetの製造方法 | |
KR100848242B1 (ko) | 반도체 소자 및 반도체 소자의 제조 방법 | |
JP4150704B2 (ja) | 横型短チャネルdmos | |
KR101090049B1 (ko) | 반도체 디바이스 및 그의 제조 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20090206 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20090611 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090623 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090824 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100223 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100421 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20101019 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20101022 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20131029 Year of fee payment: 3 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
LAPS | Cancellation because of no payment of annual fees |