JPH10505198A - マスク数を低減したmosゲートデバイスの製造プロセス - Google Patents
マスク数を低減したmosゲートデバイスの製造プロセスInfo
- Publication number
- JPH10505198A JPH10505198A JP8508797A JP50879796A JPH10505198A JP H10505198 A JPH10505198 A JP H10505198A JP 8508797 A JP8508797 A JP 8508797A JP 50879796 A JP50879796 A JP 50879796A JP H10505198 A JPH10505198 A JP H10505198A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- region
- diffusion region
- diffusion
- silicon substrate
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 238000000034 method Methods 0.000 claims abstract description 73
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 44
- 239000010703 silicon Substances 0.000 claims abstract description 44
- 230000008569 process Effects 0.000 claims abstract description 34
- 238000009792 diffusion process Methods 0.000 claims description 40
- 229920002120 photoresistant polymer Polymers 0.000 claims description 38
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 29
- 229920005591 polysilicon Polymers 0.000 claims description 29
- 238000005530 etching Methods 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 21
- 239000007943 implant Substances 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims 10
- 239000004065 semiconductor Substances 0.000 claims 7
- 239000011810 insulating material Substances 0.000 claims 4
- 238000010304 firing Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 claims 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 210000004027 cell Anatomy 0.000 abstract description 24
- 210000005056 cell body Anatomy 0.000 abstract 2
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- 210000000746 body region Anatomy 0.000 description 12
- 108091006146 Channels Proteins 0.000 description 10
- 238000002513 implantation Methods 0.000 description 10
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 229910052785 arsenic Inorganic materials 0.000 description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 1
- 235000016496 Panda oleosa Nutrition 0.000 description 1
- 240000000220 Panda oleosa Species 0.000 description 1
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 210000001316 polygonal cell Anatomy 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-NJFSPNSNSA-N silicon-30 atom Chemical compound [30Si] XUIMIQQOPSSXEZ-NJFSPNSNSA-N 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS 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
- H01L21/02—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
- H01L21/26—Bombardment with radiation
- H01L21/263—Bombardment with radiation with high-energy radiation
- H01L21/265—Bombardment with radiation with high-energy radiation producing ion implantation
-
- 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
- H01L29/41—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
- H01L29/41716—Cathode or anode electrodes for thyristors
-
- 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
- H01L29/66363—Thyristors
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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
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66712—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/66727—Vertical DMOS transistors, i.e. VDMOS transistors with a step of recessing the source 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
- H01L29/68—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
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
- H01L29/7396—Vertical transistors, e.g. vertical IGBT with a non planar surface, e.g. with a non planar gate or with a trench or recess or pillar in the surface of the emitter, base or collector region for improving current density or short circuiting the emitter and base regions
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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
- H01L29/40—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
- H01L29/41766—Source or drain electrodes for field effect devices with at least part of the source or drain electrode having contact below the semiconductor surface, e.g. the source or drain electrode formed at least partially in a groove or with inclusions of conductor inside the semiconductor
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- High Energy & Nuclear Physics (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Semiconductor Memories (AREA)
- Thyristors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Thin Film Transistor (AREA)
- Non-Volatile Memory (AREA)
- Control Of Multiple Motors (AREA)
- Measuring Fluid Pressure (AREA)
- Bipolar Transistors (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.MOSゲート半導体デバイスの製造方法であって、シリコン基板上にゲー ト絶縁材層を形成し、該ゲート絶縁材層の上にポリシリコン層を形成し、該ポリ シリコン層の上に第1ホトレジスト層を形成し、該ホトレジスト層に第1ホトリ ソグラフ・マスク工程を使用して多数の間隔をおいた開口を形成して上記ポリシ リコン層を部分的に露出させ、上記第1ホトレジスト層の複数の間隔をおいた開 口を介して露出されるポリシリコン層の部分をエッチングして上記シリコン基板 の表面上に位置する上記ポリシリコン層の対応する領域を除去し、上記シリコン 基板の表面領域に第1導電型の不純物を拡散させて第1拡散領域を形成し、上記 シリコン基板の表面領域に第2導電型の不純物を拡散させて第2拡散領域を形成 し、上記シリコン基板の表面領域の各々において上記第2拡散領域は第1拡散領 域よりも小さい最終深さを有し、更に上記デバイスの上面に第2絶縁層を堆積さ せ、該第2絶縁層の上に第2ホトレジスト層を形成し、上記第1ホトリソグラフ 工程と一致させた第2ホトリソグラフ工程によって上記第2ホトレジスト層に複 数の中央開口を形成し、その各々は上記第1ホトリソグラフ工程において形成さ れた複数の間隔をおいた開口の各々に対し実質的に中央に位置し、かつ、上記中 央開口は上記第2拡散領域の各々の横幅よりも小さい横幅を有し、更に上記ホト レジスト層の複数の中央開口を介して露出される上記第2絶縁層のある部分をエ ッチングして、上記シリコン基板の表面上に位置する第2絶縁層の対応する領域 を除去して、上記シリコン基板の表面の平面に対して実質的に垂直な側壁を有す る開口を第2絶縁層に形成し、上記中央開口によって露出される第2絶縁層の部 分をエッチング除去してシリコン基板の対応する下方の第2表面領域を露出させ 、該シリコン基板の第2表面領域に上記第2拡散領域の深さよりも大きい深さま で凹部をエッチングし、上記シリコン基板の第2表面領域を取り囲む第2絶縁層 にエッチングしてアンダーカット部分を形成し、上記シリコン基板の表面のアン ダーカット部分に隣接するシリコン基板の表面部分を露出させ、該表面上に導電 層を堆積させることにより該導電層を上記凹部の底部に位置する第1拡散領域に 接 触させると共に、上記アンダーカット部分の上部および周囲面に位置する第2拡 散領域に接触させ、上記第1拡散領域の各々を相対的に深くドープさせ、かつ、 上記第2拡散領域の各々を取り囲む共通の境界をもち、実質的にパンチスルー・ ブレイクダウンおよびドレインからソースへのリークを除去し、かつ、上記第2 拡散領域の下方に低抵抗電流路を与えるMOSゲート半導体デバイスの製造方法 。 2.上記ゲート絶縁材層が二酸化ケイ素である請求項1記載の方法。 3.上記第1ホトレジスト層の上記複数の間隔をおいた開口が同一形状である 請求項1記載の方法。 4.上記複数の間隔をおいた開口が閉じた多角形および細長いストリップ形状 からなる群から選ばれる請求項3記載の方法。 5.上記第1および第2拡散領域が不純物原子をインプラントし、該シリコン 基板を加熱して上記不純物原子をシリコン基板中に拡散させることによって形成 される請求項1記載の方法。 6.上記第2絶縁層が低温酸化物である請求項1記載の方法。 7.上記第2表面領域の凹部が非等方性エッチングによって形成され、上記第 2絶縁層の上記アンダーカット部分が等方性エッチングによって形成される請求 項1記載の方法。 8.上記導電層がMOSゲート半導体デバイスの主要電極層である請求項1記 載の方法。 9.上記第2絶縁層のアンダーカット部分がその湾曲壁をエッチングする等方 性エッチングによって形成され、上記凹部に接する上記第2レジスト層の突き出 したシャドウマスクリップを形成し、上記第2表面領域のエッチング用凹部がシ ャドウマスクとして突き出したシャドウマスクリップを使用した非等方性シリコ ンエッチングであり、上記シリコン基板の表面に丸くなった端部を形成すると共 に、上記導電層の形成を改善する請求項1記載の方法。 10.上記第1ホトレジスト層の複数の間隔をおいた開口が同一形状を有する 請求項9記載の方法。 11.上記複数の間隔をおいた開口が閉じた多角形および細長いストリップ形 状からなる群から選ばれる請求項10記載の方法。 12.上記第2絶縁層が低温酸化物である請求項9記載の方法。 13.上記導電層がMOSゲート半導体デバイスの主要電極層である請求項9 記載の方法。 14.上記第1導電型の不純物のチャネル拡散領域を上記第1および第2拡散 領域よりも深く、かつ、幅広く、そして低濃度に形成する請求項1記載の方法。 15.上記第1導電型の不純物のチャネル拡散領域を上記第1および第2拡散 領域よりも深く、かつ、幅広く、そして低濃度に形成する請求項9記載の方法。 16.上記中央開口の下にある上記第2絶縁層の領域を上記第1ホトレジスト 層の下方の第2絶縁層をアンダーカットしない非等方性エッチングによりエッチ ングして上記中央開口の側面を実質的に垂直となす請求項1記載の方法。 17.低温酸化物の形成に続き、上記シリコン基板を加熱して上記第1および 第2拡散領域を同時に駆動し、上記低温酸化物層を濃密化する請求項6記載の方 法。 18.MOSゲート半導体デバイスの製造方法であって、シリコン基板上にゲ ート絶縁材層を形成し、該ゲート絶縁材層の上にポリシリコン層を形成し、該ポ リシリコン層の上に第1ホトレジスト層を形成し、該ホトレジスト層に第1ホト リソグラフ・マスク工程を使用して多数の間隔をおいた開口を形成して上記ポリ シリコン層を部分的に露出させ、上記第1ホトレジスト層の複数の間隔をおいた 開口を介して露出されるポリシリコン層の部分をエッチングして上記シリコン基 板の表面上に位置する上記ポリシリコン層の対応する領域を除去し、上記間隔を おいた開口は上記シリコン基板の表面の平面に対して垂直な側壁を有し、上記シ リコン基板の表面領域に第1導電型の不純物を拡散させて第1の拡散領域を形成 し、上記シリコン基板の表面領域に第2導電型の不純物を拡散させて第2拡散領 域を形成し、上記第2拡散領域はシリコン基板の表面領域の各々において上記第 1拡散領域以下の最終深さを有し、上記第1拡散領域の各々を相対的に多くドー プさせ、かつ、上記第2拡散領域の各々を取り囲む共通の境界をもち、実質的に パンチスルー・ブレイクダウンを減少させるMOSゲート半導体デバイスの製造 方法。 19.更に、上記第1拡散領域の拡散以前に露出された表面領域への上記第1 導電型の不純物の第3領域の拡散を含み、該第3拡散領域が上記第1拡散領域の それよりも低い濃度のチャンネル領域を形成する請求項1記載の方法。 20.更に、上記第1拡散領域の拡散以前に上記表面領域への上記第1導電型 の不純物の第3領域の拡散を含み、該第3拡散領域が上記第1拡散領域のそれよ りも低い濃度のチャンネル領域を形成する請求項1記載の方法。 21.更に、上記第2表面領域のエッチングによって露出されたシリコン基板 に第1導電型の不純物を拡散させる工程を含み、上記工程中に拡散する不純物が 上記第1拡散領域より多くドープされた上記第1導電型の第3領域を形成する請 求項1記載の方法。 22.更に、約450℃以下の温度において、上記導電層を焼成する工程を含 み、上記第3拡散領域をアニールする請求項19記載の方法。 23.第1導電型の平坦な表面を少なくとも有する単結晶シリコンウエハーと 、該平坦な表面に対称的に分配され形成された複数の間隔をおいたセルであって 、各セルは同一形状であって、第2導電型の第1領域を有し、第1の深さと第1 の横幅とを有して上記第1表面から上記ウエハーの本体まで延び、第1導電型の 第2の領域を有し、上記第1の領域内に少なくとも一部が形成され、上記第1表 面から延び、上記第1表面においては上記第2領域は上記第1領域からそれらの 共通の長さの少なくとも一部だけ横方向に間隔をおき、上記側方に間隔をおいた 第1および第2領域の間に形成される上記第1表面の少なくとも一部を覆うゲー ト絶縁層と、上記ゲート絶縁層を覆うゲート電極とを備え、側方の中央凹部が各 セル内にエッチングにより形成され、上記第1表面から上記第2領域を通って上 記第1領域内に延び、しかも接触層が上記第1表面を覆って上記中央凹部の各々 に延び、それにより上記第1および第2領域が電気的に接続されるMOSゲート 半導体デバイス。 24.上記ゲート絶縁材層がポリシリコン層の部分エッチング工程中にエッチ ングされる請求項1記載の方法。
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US08/299,533 US5795793A (en) | 1994-09-01 | 1994-09-01 | Process for manufacture of MOS gated device with reduced mask count |
US08/299,533 | 1994-09-01 | ||
PCT/US1995/010498 WO1996007200A1 (en) | 1994-09-01 | 1995-08-17 | Process for manufacture of mos gated device with reduced mask count |
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JP2000153208A Expired - Lifetime JP3416617B2 (ja) | 1994-09-01 | 2000-05-24 | マスク数を低減したmosゲートデバイスの製造プロセス |
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EP (2) | EP0777910B1 (ja) |
JP (2) | JP3527247B2 (ja) |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000156383A (ja) * | 1998-11-09 | 2000-06-06 | Internatl Rectifier Corp | 低電圧mosfet及びその製造方法並びにその回路 |
JP2002026322A (ja) * | 2000-07-10 | 2002-01-25 | Denso Corp | 半導体装置及びその製造方法 |
JP2007036299A (ja) * | 2006-11-13 | 2007-02-08 | Renesas Technology Corp | 半導体装置及びその製造方法 |
US7514307B2 (en) | 2005-10-18 | 2009-04-07 | Nec Electronics Corporation | Method of manufacturing a semiconductor apparatus |
US7910985B2 (en) | 2000-06-28 | 2011-03-22 | Renesas Electronics Corporation | Semiconductor device and method for fabricating the same |
JP2014207324A (ja) * | 2013-04-12 | 2014-10-30 | 旭化成エレクトロニクス株式会社 | 半導体装置及びその製造方法 |
Families Citing this family (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5798554A (en) * | 1995-02-24 | 1998-08-25 | Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno | MOS-technology power device integrated structure and manufacturing process thereof |
US5843796A (en) * | 1995-09-11 | 1998-12-01 | Delco Electronics Corporation | Method of making an insulated gate bipolar transistor with high-energy P+ im |
EP0768714B1 (en) * | 1995-10-09 | 2003-09-17 | Consorzio per la Ricerca sulla Microelettronica nel Mezzogiorno - CoRiMMe | Construction method for power devices with deep edge ring |
TW344130B (en) * | 1995-10-11 | 1998-11-01 | Int Rectifier Corp | Termination structure for semiconductor device and process for its manufacture |
DE69533134T2 (de) * | 1995-10-30 | 2005-07-07 | Stmicroelectronics S.R.L., Agrate Brianza | Leistungsbauteil hoher Dichte in MOS-Technologie |
DE69534919T2 (de) * | 1995-10-30 | 2007-01-25 | Stmicroelectronics S.R.L., Agrate Brianza | Leistungsvorrichtung in MOS-Technologie mit einer einzigen kritischen Größe |
US6228719B1 (en) | 1995-11-06 | 2001-05-08 | Stmicroelectronics S.R.L. | MOS technology power device with low output resistance and low capacitance, and related manufacturing process |
EP0782201B1 (en) * | 1995-12-28 | 2000-08-30 | STMicroelectronics S.r.l. | MOS-technology power device integrated structure |
US5879968A (en) | 1996-11-18 | 1999-03-09 | International Rectifier Corporation | Process for manufacture of a P-channel MOS gated device with base implant through the contact window |
US5854503A (en) * | 1996-11-19 | 1998-12-29 | Integrated Device Technology, Inc. | Maximization of low dielectric constant material between interconnect traces of a semiconductor circuit |
KR19980060634A (ko) * | 1996-12-31 | 1998-10-07 | 김영환 | 모스 전계효과 트랜지스터의 제조방법 |
DE19706282A1 (de) * | 1997-02-18 | 1998-08-20 | Siemens Ag | Verfahren zur Erzeugung einer Transistorstruktur |
DE19832329A1 (de) * | 1997-07-31 | 1999-02-04 | Siemens Ag | Verfahren zur Strukturierung von Halbleitern mit hoher Präzision, guter Homogenität und Reproduzierbarkeit |
US6537899B2 (en) * | 1997-09-16 | 2003-03-25 | Sanyo Electric Co., Ltd. | Semiconductor device and a method of fabricating the same |
DE19840402C2 (de) * | 1997-12-12 | 2003-07-31 | Nat Semiconductor Corp | Verfahren zum Herstellen einer Struktur eines DMOS-Leistungselementes und Struktur eines DMOS-Leistungselementes |
TW434648B (en) * | 1998-04-23 | 2001-05-16 | Int Rectifier Corp | P-channel trench mosfet structure |
US6255180B1 (en) * | 1998-05-14 | 2001-07-03 | Cypress Semiconductor Corporation | Semiconductor device with outwardly tapered sidewall spacers and method for forming same |
DE69839439D1 (de) | 1998-05-26 | 2008-06-19 | St Microelectronics Srl | MOS-Technologie-Leistungsanordnung mit hoher Integrationsdichte |
US6022790A (en) * | 1998-08-05 | 2000-02-08 | International Rectifier Corporation | Semiconductor process integration of a guard ring structure |
DE19842488A1 (de) * | 1998-09-16 | 2000-03-30 | Siemens Ag | Halbleitervorrichtung und Halbleiterstruktur mit Kontaktierung |
US6939776B2 (en) * | 1998-09-29 | 2005-09-06 | Sanyo Electric Co., Ltd. | Semiconductor device and a method of fabricating the same |
KR100590201B1 (ko) * | 1999-02-02 | 2006-06-15 | 삼성전자주식회사 | 자기정렬 콘택 패드의 제조 방법 |
US6472327B2 (en) * | 1999-08-03 | 2002-10-29 | Advanced Micro Devices, Inc. | Method and system for etching tunnel oxide to reduce undercutting during memory array fabrication |
JP2001094094A (ja) * | 1999-09-21 | 2001-04-06 | Hitachi Ltd | 半導体装置およびその製造方法 |
DE10104274C5 (de) * | 2000-02-04 | 2008-05-29 | International Rectifier Corp., El Segundo | Halbleiterbauteil mit MOS-Gatesteuerung und mit einer Kontaktstruktur sowie Verfahren zu seiner Herstellung |
US8314002B2 (en) * | 2000-05-05 | 2012-11-20 | International Rectifier Corporation | Semiconductor device having increased switching speed |
US6781194B2 (en) * | 2001-04-11 | 2004-08-24 | Silicon Semiconductor Corporation | Vertical power devices having retrograded-doped transition regions and insulated trench-based electrodes therein |
US6784486B2 (en) * | 2000-06-23 | 2004-08-31 | Silicon Semiconductor Corporation | Vertical power devices having retrograded-doped transition regions therein |
US6365942B1 (en) | 2000-12-06 | 2002-04-02 | Fairchild Semiconductor Corporation | MOS-gated power device with doped polysilicon body and process for forming same |
JP4357753B2 (ja) | 2001-01-26 | 2009-11-04 | 株式会社東芝 | 高耐圧半導体装置 |
GB2378314B (en) | 2001-03-24 | 2003-08-20 | Esm Ltd | Process for forming uniform multiple contact holes |
CN1520616A (zh) * | 2001-04-11 | 2004-08-11 | ��˹�������뵼�幫˾ | 具有防止基区穿通的横向延伸基区屏蔽区的功率半导体器件及其制造方法 |
GB0126215D0 (en) * | 2001-11-01 | 2002-01-02 | Koninkl Philips Electronics Nv | Field effect transistor on insulating layer and manufacturing method |
US6656845B2 (en) * | 2002-02-15 | 2003-12-02 | Taiwan Semiconductor Manufacturing Co., Ltd | Method for forming semiconductor substrate with convex shaped active region |
DE10210272B4 (de) * | 2002-03-08 | 2005-08-04 | Infineon Technologies Ag | Verfahren zur Herstellung eines Halbleiterbauelements mit wenigstens einer Transistorzelle und einer Randzelle |
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US7192853B1 (en) * | 2003-09-10 | 2007-03-20 | National Semiconductor Corporation | Method of improving the breakdown voltage of a diffused semiconductor junction |
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JP4890773B2 (ja) | 2005-03-07 | 2012-03-07 | ラピスセミコンダクタ株式会社 | 半導体装置及びその製造方法 |
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EP1915782A1 (en) | 2005-08-10 | 2008-04-30 | Freescale Semiconductor, Inc. | Field-effect semiconductor device and method of forming the same |
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JP4963364B2 (ja) * | 2006-03-02 | 2012-06-27 | 日本インター株式会社 | 半導体装置の製造方法 |
US7935977B2 (en) * | 2006-07-25 | 2011-05-03 | Lg Chem, Ltd. | Method of manufacturing organic light emitting device and organic light emitting device manufactured by using the method |
US7517807B1 (en) * | 2006-07-26 | 2009-04-14 | General Electric Company | Methods for fabricating semiconductor structures |
KR101024638B1 (ko) * | 2008-08-05 | 2011-03-25 | 매그나칩 반도체 유한회사 | 반도체 소자의 제조방법 |
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JP5617190B2 (ja) * | 2009-05-22 | 2014-11-05 | 富士電機株式会社 | 半導体装置の製造方法および半導体装置 |
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DE102015102374A1 (de) | 2015-02-19 | 2016-08-25 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung eines Halbleiterkörpers |
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Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5008725C2 (en) * | 1979-05-14 | 2001-05-01 | Internat Rectifer Corp | Plural polygon source pattern for mosfet |
US4231811A (en) * | 1979-09-13 | 1980-11-04 | Intel Corporation | Variable thickness self-aligned photoresist process |
DE3016749A1 (de) * | 1980-04-30 | 1981-11-05 | Siemens AG, 1000 Berlin und 8000 München | Kontakt fuer mis-halbleiterbauelement und verfahren zu seiner herstellung |
US4598461A (en) * | 1982-01-04 | 1986-07-08 | General Electric Company | Methods of making self-aligned power MOSFET with integral source-base short |
US4516143A (en) * | 1982-01-04 | 1985-05-07 | General Electric Company | Self-aligned power MOSFET with integral source-base short and methods of making |
US4430792A (en) * | 1982-07-08 | 1984-02-14 | General Electric Company | Minimal mask process for manufacturing insulated-gate semiconductor devices with integral shorts |
JPS6032364A (ja) * | 1983-08-01 | 1985-02-19 | Toshiba Corp | 半導体装置の製造方法 |
US4809047A (en) * | 1983-09-06 | 1989-02-28 | General Electric Company | Insulated-gate semiconductor device with improved base-to-source electrode short and method of fabricating said short |
DE3402867A1 (de) * | 1984-01-27 | 1985-08-01 | Siemens AG, 1000 Berlin und 8000 München | Halbleiterbauelement mit kontaktloch |
EP0227894A3 (en) * | 1985-12-19 | 1988-07-13 | SILICONIX Incorporated | High density vertical dmos transistor |
US5283202A (en) * | 1986-03-21 | 1994-02-01 | Advanced Power Technology, Inc. | IGBT device with platinum lifetime control having gradient or profile tailored platinum diffusion regions |
EP0255970B1 (en) * | 1986-08-08 | 1993-12-15 | Philips Electronics Uk Limited | A method of manufacturing an insulated gate field effect transistor |
JPH0834311B2 (ja) * | 1987-06-10 | 1996-03-29 | 日本電装株式会社 | 半導体装置の製造方法 |
JPS6431469A (en) * | 1987-07-27 | 1989-02-01 | Nec Corp | Field effect transistor |
US5173435A (en) * | 1987-11-11 | 1992-12-22 | Mitsubishi Denki Kabushiki Kaisha | Insulated gate bipolar transistor |
JPH0817233B2 (ja) * | 1987-11-11 | 1996-02-21 | 三菱電機株式会社 | 絶縁ゲート型バイポーラトランジスタ |
JPH0734474B2 (ja) * | 1988-03-03 | 1995-04-12 | 富士電機株式会社 | 伝導度変調型mosfetの製造方法 |
US4853345A (en) * | 1988-08-22 | 1989-08-01 | Delco Electronics Corporation | Process for manufacture of a vertical DMOS transistor |
US4960723A (en) * | 1989-03-30 | 1990-10-02 | Motorola, Inc. | Process for making a self aligned vertical field effect transistor having an improved source contact |
US4985740A (en) * | 1989-06-01 | 1991-01-15 | General Electric Company | Power field effect devices having low gate sheet resistance and low ohmic contact resistance |
JPH0430477A (ja) * | 1990-05-25 | 1992-02-03 | Fuji Electric Co Ltd | 絶縁ゲートトランジスタ |
US5223732A (en) * | 1991-05-28 | 1993-06-29 | Motorola, Inc. | Insulated gate semiconductor device with reduced based-to-source electrode short |
US5155052A (en) * | 1991-06-14 | 1992-10-13 | Davies Robert B | Vertical field effect transistor with improved control of low resistivity region geometry |
DE4137341C1 (ja) * | 1991-11-13 | 1993-04-29 | Siemens Ag, 8000 Muenchen, De | |
US5304837A (en) * | 1992-01-08 | 1994-04-19 | Siemens Aktiengesellschaft | Monolithically integrated temperature sensor for power semiconductor components |
US5268586A (en) * | 1992-02-25 | 1993-12-07 | North American Philips Corporation | Vertical power MOS device with increased ruggedness and method of fabrication |
JPH0685266A (ja) * | 1992-09-04 | 1994-03-25 | Sanyo Electric Co Ltd | パワーmosfetの製造方法 |
US5399892A (en) * | 1993-11-29 | 1995-03-21 | Harris Corporation | Mesh geometry for MOS-gated semiconductor devices |
-
1994
- 1994-09-01 US US08/299,533 patent/US5795793A/en not_active Expired - Lifetime
-
1995
- 1995-08-17 CZ CZ97629A patent/CZ62997A3/cs unknown
- 1995-08-17 JP JP50879796A patent/JP3527247B2/ja not_active Expired - Lifetime
- 1995-08-17 HU HU9701354A patent/HUT76792A/hu unknown
- 1995-08-17 PL PL95319098A patent/PL178316B1/pl not_active IP Right Cessation
- 1995-08-17 AT AT95929600T patent/ATE358331T1/de not_active IP Right Cessation
- 1995-08-17 CA CA002199013A patent/CA2199013A1/en not_active Abandoned
- 1995-08-17 KR KR1019970701384A patent/KR100295631B1/ko not_active IP Right Cessation
- 1995-08-17 EP EP95929600A patent/EP0777910B1/en not_active Expired - Lifetime
- 1995-08-17 DE DE69535441T patent/DE69535441T2/de not_active Expired - Lifetime
- 1995-08-17 CN CNB951957783A patent/CN1311526C/zh not_active Expired - Lifetime
- 1995-08-17 EP EP06010237A patent/EP1686616A3/en not_active Withdrawn
- 1995-08-17 WO PCT/US1995/010498 patent/WO1996007200A1/en active IP Right Grant
- 1995-08-17 BR BR9508883A patent/BR9508883A/pt not_active Application Discontinuation
- 1995-08-25 TW TW084108860A patent/TW280944B/zh not_active IP Right Cessation
- 1995-08-31 SG SG1995001261A patent/SG52166A1/en unknown
-
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- 1996-10-08 US US08/727,142 patent/US5731604A/en not_active Expired - Lifetime
-
1997
- 1997-02-28 FI FI970850A patent/FI970850A/fi unknown
- 1997-02-28 NO NO970934A patent/NO970934L/no not_active Application Discontinuation
-
2000
- 2000-05-24 JP JP2000153208A patent/JP3416617B2/ja not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000156383A (ja) * | 1998-11-09 | 2000-06-06 | Internatl Rectifier Corp | 低電圧mosfet及びその製造方法並びにその回路 |
US7910985B2 (en) | 2000-06-28 | 2011-03-22 | Renesas Electronics Corporation | Semiconductor device and method for fabricating the same |
JP2002026322A (ja) * | 2000-07-10 | 2002-01-25 | Denso Corp | 半導体装置及びその製造方法 |
JP4655340B2 (ja) * | 2000-07-10 | 2011-03-23 | 株式会社デンソー | 半導体装置の製造方法 |
US7514307B2 (en) | 2005-10-18 | 2009-04-07 | Nec Electronics Corporation | Method of manufacturing a semiconductor apparatus |
JP2007036299A (ja) * | 2006-11-13 | 2007-02-08 | Renesas Technology Corp | 半導体装置及びその製造方法 |
JP2014207324A (ja) * | 2013-04-12 | 2014-10-30 | 旭化成エレクトロニクス株式会社 | 半導体装置及びその製造方法 |
Also Published As
Publication number | Publication date |
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EP1686616A2 (en) | 2006-08-02 |
PL319098A1 (en) | 1997-07-21 |
FI970850A0 (fi) | 1997-02-28 |
US5795793A (en) | 1998-08-18 |
NO970934L (no) | 1997-04-24 |
FI970850A (fi) | 1997-04-24 |
CA2199013A1 (en) | 1995-08-17 |
EP0777910B1 (en) | 2007-03-28 |
AU698654B2 (en) | 1998-11-05 |
CZ62997A3 (en) | 1997-11-12 |
DE69535441D1 (de) | 2007-05-10 |
US5731604A (en) | 1998-03-24 |
ATE358331T1 (de) | 2007-04-15 |
JP3527247B2 (ja) | 2004-05-17 |
HUT76792A (en) | 1997-11-28 |
KR100295631B1 (ko) | 2001-10-25 |
EP0777910A4 (en) | 1998-10-07 |
TW280944B (ja) | 1996-07-11 |
KR970705832A (ko) | 1997-10-09 |
AU3464395A (en) | 1996-03-22 |
CN1311526C (zh) | 2007-04-18 |
NO970934D0 (no) | 1997-02-28 |
EP0777910A1 (en) | 1997-06-11 |
WO1996007200A1 (en) | 1996-03-07 |
DE69535441T2 (de) | 2008-04-24 |
MX9701579A (es) | 1998-03-31 |
JP3416617B2 (ja) | 2003-06-16 |
PL178316B1 (pl) | 2000-04-28 |
CN1161758A (zh) | 1997-10-08 |
EP1686616A3 (en) | 2009-03-18 |
JP2000349093A (ja) | 2000-12-15 |
BR9508883A (pt) | 1997-12-30 |
SG52166A1 (en) | 1998-09-28 |
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