JP2001522534A - InA1AsSb/A1Sbバリヤを備えた電子デバイスの設計および製造 - Google Patents
InA1AsSb/A1Sbバリヤを備えた電子デバイスの設計および製造Info
- Publication number
- JP2001522534A JP2001522534A JP54698598A JP54698598A JP2001522534A JP 2001522534 A JP2001522534 A JP 2001522534A JP 54698598 A JP54698598 A JP 54698598A JP 54698598 A JP54698598 A JP 54698598A JP 2001522534 A JP2001522534 A JP 2001522534A
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- JP
- Japan
- Prior art keywords
- layer
- alsb
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- 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.)
- Ceased
Links
- 230000004888 barrier function Effects 0.000 title claims description 36
- 238000004519 manufacturing process Methods 0.000 title description 16
- 238000013461 design Methods 0.000 title description 5
- 229910017115 AlSb Inorganic materials 0.000 claims abstract description 73
- 229910000673 Indium arsenide Inorganic materials 0.000 claims abstract description 64
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 claims abstract description 61
- 229910005542 GaSb Inorganic materials 0.000 claims abstract description 27
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 25
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 23
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000758 substrate Substances 0.000 claims abstract description 22
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims abstract description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004310 lactic acid Substances 0.000 claims abstract description 11
- 235000014655 lactic acid Nutrition 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 claims abstract 6
- 239000000463 material Substances 0.000 claims description 42
- 239000004065 semiconductor Substances 0.000 claims description 23
- 238000005530 etching Methods 0.000 claims description 17
- 239000010931 gold Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 8
- 229910052738 indium Inorganic materials 0.000 claims description 7
- 229910052785 arsenic Inorganic materials 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 229910052763 palladium Inorganic materials 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- ZXEYZECDXFPJRJ-UHFFFAOYSA-N $l^{3}-silane;platinum Chemical compound [SiH3].[Pt] ZXEYZECDXFPJRJ-UHFFFAOYSA-N 0.000 claims description 2
- 229910021339 platinum silicide Inorganic materials 0.000 claims description 2
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 claims description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 229910021341 titanium silicide Inorganic materials 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 112
- 238000002955 isolation Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 238000000151 deposition Methods 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- -1 InxAl1-xAsySb1-y Inorganic materials 0.000 description 1
- 240000000220 Panda oleosa Species 0.000 description 1
- 235000016496 Panda oleosa Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005566 electron beam evaporation Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000001459 lithography Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000010907 stover Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
- 238000000233 ultraviolet lithography Methods 0.000 description 1
- 238000003631 wet chemical etching Methods 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
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
-
- 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
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/201—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds including two or more compounds, e.g. alloys
- H01L29/205—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds including two or more compounds, e.g. alloys in different semiconductor regions, e.g. heterojunctions
-
- 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
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/201—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds including two or more compounds, e.g. alloys
-
- 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
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7782—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET
- H01L29/7783—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with confinement of carriers by at least two heterojunctions, e.g. DHHEMT, quantum well HEMT, DHMODFET using III-V semiconductor material
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Junction Field-Effect Transistors (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.半導体材料の第1の層と、半導体材料の第2の層と、半導体材料の第3の 層と、前記第3の層に接触するショットキーゲートとを具備する電子デバイスで あって、前記第3の層は前記第1の層より広いバンドギャップであり、前記第2 の層はAlSb系材料であり、前記第1の層と前記第3の層との間に接触して配 置される電子デバイス。 2.前記第1の層はInAsであり、前記第3の層はInxAl1-xAsySb1 -y であって、前記第3の層は少なくともいくらかのIn、AlおよびAsを含む 請求項1記載のデバイス。 3.前記第1の層の厚さは50〜300Åであり、前記第2の層の厚さは50 〜300Åであり、前記第3の層の厚さは20〜200Åである請求項2記載の デバイス。 4.前記第3の層に接触する第4の層と、前記第4の層に接触する少なくとも 1つのオーム接触とを含む請求項3記載のデバイス。 5.前記第4の層は厚さ10〜50ÅのInAsであり、前記オーム接触はP d/バリヤ/Auである請求項4記載のデバイス。 6.前記オーム接触において、パラジウム層が50〜500Åであり、バリヤ 層が100〜500Åであり、金層が200〜2000Åであり、前記オーム接 触の前記バリヤは、白金、チタン、チタンタングステン、白金シリサイド、炭化 チタン、ケイ化チタンおよびそれらの混合物からなる群から選択される請求項5 記載のデバイス。 7.前記第1の層の下のバッファ層と、前記バッファ層内のドープされた層と 前記バッファ層の下の基板と、を含む請求項5記載のデバイス。 8.前記バッファ層はAlSbであり、前記ドープされた層はp+GaSb層 であり、前記基板はGaAsである請求項7記載のデバイス。 9.前記バッファ層は厚さ1〜5ミクロンであり、前記ドープされた層は厚さ 100〜500Åであり、シリコン原子でドープされる請求項8記載のデバイス 。 10.GaAs基板上に配置された下記の層を具備する電子デバイスであって 、前記下記の層は、前記基板上に配置された第1のAlSb層と、前記第1のA lSb層上に配置されたp+GaSb層と、前記p+GaSb層上に配置された第 2のAlSb層と、前記第2のAlSb層上に配置されたInAsチャネル層と 、前記InAsチャネル層上に配置された第3のAlSb層と、前記第3のAl Sb層上に配置された少なくともIn、AlおよびAsを含むInxAl1-xAsy Sb1-y層と、前記InxAl1-xAsySb1-y層上に配置されたInAsキャッ プ層と、前記InAsキャップ層上に配置された2つのオーム接触と、前記オー ム接触同士の間に配置されて前記InxAl1-xAsySb1-yに接触するショット キーゲートを有する電子デバイス。 11.前記第1のAlSb層の厚さは2.4ミクロンであり、前記p+GaS bの層の厚さは200Åであり、前記第2のAlSb層の厚さは500Åであり 、前記InAsチャネル層の厚さは100Åであり、前記第3のAlSb層の厚 さは125Åであり、前記InxAl1-xAsySb1-y層の厚さは40Åであり、 前記InAsキャップ層の厚さは15Åである請求項10記載のデバイス。 12.前記2つのオーム接触の各々は、それぞれ100Å、200Åおよび6 00Åの厚さを有するPd/Pt/Auであり、前記ショットキーゲートはCr /Auである請求項11記載のデバイス。 13.基部内に配置された狭いバンドギャップ材料の層および広いバンドギャ ップ材料の層と、前記基部上に配置されたゲートメタルおよびパッドと、を有す る電子デバイスをアイソレートする方法であって、本質的に乳酸または酢酸と過 酸化水素とフッ化水素酸とを含むエッチング剤でデバイス内にトレンチをエッチ ングすることを含むデバイスをアイソレートするステップを含み、前記トレンチ は、前記ゲートメタルの下に配置され、したがって、チャネル層とゲートボンデ ィングパッドとの間にエアブリッジを提供して、ショットキーゲートと前記狭い バンドギャップ材料の層との間の接触を防ぐ電子デバイスをアイソレートする方 法。 14.前記エッチング剤は、エッチング速度が1〜10ミクロン/10秒であ り、15〜35容量の乳酸と1〜10容量の過酸化水素と2〜20容量のフッ化 水素酸とを含む液体である請求項13記載の方法。 15.前記デバイスはGaAs基板上に配置された下記の層を具備し、前記下 記の層は、前記基板上に配置された第1のAlSb層と、前記第1のAlSb層 上に配置されたp+GaSb層と、前記p+GaSb層上に配置された第2のAl Sb層と、前記第2のAlSb層上に配置されたInAsチャネル層と、前記I nAsチャネル層上に配置された第3のAlSb層と、前記第3のAlSb層上 に配置された少なくともIn、AlおよびAsを含むInxAl1-xAsySb1-y 層と、前記InxAl1-xAsySb1-y層上に配置されたInAsキャップ層と、 前記InAsキャップ層上に配置された2つのオーム接触と、前記オーム接触同 士の間に配置されて前記InxAl1-xAsySb1-yに接触するショットキーゲー トとを有し、前記トレンチは前記デバイスの頂部がら前記基板へ延在し、前記エ ッチング剤は、20〜30容量の乳酸と2〜6容量の過酸化水素と6〜15容量 のフッ化水素酸とを含む液体であり、前記エッチング剤はエッチング速度が1〜 10ミクロン/10秒である請求項13記載の方法。 16.前記デバイスはGaAs基板上に配置された下記の層を具備し、前記下 記の層は、前記基板上に配置された第1のAlSb層と、前記第1のAlSb層 上に配置されたp+GaSb層と、前記p+GaSb層上に配置された第2のAl Sb層と、前記第2のAlSb層上に配置されたInAsチャネル層と、前記I nAsチャネル層上に配置された第3のAlSb層と、前記第3のAlSb層上 に配置された少なくともIn、AlおよびAsを含むInxAl1-xAsySb1-y 層と、前記InxAl1-xAsySb1-y層上に配置されたInAsキャップ層と、 前記InAsキャップ層上に配置された2つのオーム接触と、前記オーム接触同 士の間に配置されて前記InxAl1-xAsySb1-yに接触するショットキーゲー トとを有し、前記トレンチは前記デバイスの頂部から前記基板へ延在し、前記エ ッチング剤は、20〜30容量の乳酸と2〜6容量の過酸化水素と6〜15容量 のフッ化水素酸とを含む液体であり、前記エッチング剤はエッチング速度が2〜 6ミクロン/10秒であり、前記トレンチは、前記第1のAlSb層、前記In Asチャネル層、前記第2のAlSb層、前記InAsチャネル層、前記第3の AlSb層、前記InxAl1-xAsySb1-y層および前記InAsキャップ層の メサエッジを露出する請求項13記載の方法。 17.前記デバイスはGaAs基板上に配置された下記の層を具備し、前記下 記の層は、前記基板上に配置された第1のAlSb層と、前記第1のAlSb層 上に配置されたp+GaSb層と、前記p+GaSb層上に配置された第2のAl Sb層と、前記第2のAlSb層上に配置されたInAsチャネル層と、前記I nAsチャネル層上に配置された第3のAlSb層と、前記第3のAlSb層上 に配置された少なくともIn、AlおよびAsを含むInxAl1-xAsySb1-y 層と、前記InxAl1-xAsySb1-y層上に配置されたInAsキャップ層とを 有する請求項13記載の方法。 18.(a)15〜35容量の、乳酸、酢酸およびそれらの混合物からなる群 から選択される酸と、 (b)1〜10容量の過酸化水素と、 (c)2〜20容量のフッ化水素酸と、 を含むエッチング剤であって、 InAs、InxAl1-xAsySb1-y、AlSbおよびGaSbに対して効果 的であるが、GaAsおよびAu系材料に対して効果がないエッチング剤。 19.(a)20〜30容量の乳酸と、 (b)2〜6容量の過酸化水素と、 (c)6〜15容量のフッ化水素酸と、 を含む液体形態のエッチング剤であって、 エッチング速度が室温で2〜6ミクロン/10秒であり、 InAs、InxAl1-xAsySb1-y、AlSbおよびGaSbに対して効果 的であるが、GaAsおよびAu系材料に対して効果がないエッチング剤。 20.乳酸の量が約25容量であり、過酸化水素の量が約4容量であり、フッ 化水素酸の量が約8容量であり、エッチング速度が約4ミクロン/10秒である 請求項19記載のエッチング剤。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US08/848,203 US5798540A (en) | 1997-04-29 | 1997-04-29 | Electronic devices with InAlAsSb/AlSb barrier |
US08/848,203 | 1997-04-29 | ||
PCT/US1998/006030 WO1998049730A1 (en) | 1997-04-29 | 1998-03-26 | DESIGN AND FABRICATION OF ELECTRONIC DEVICES WITH InA1AsSb/A1Sb BARRIER |
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JP2001522534A true JP2001522534A (ja) | 2001-11-13 |
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JP54698598A Ceased JP2001522534A (ja) | 1997-04-29 | 1998-03-26 | InA1AsSb/A1Sbバリヤを備えた電子デバイスの設計および製造 |
Country Status (6)
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US (1) | US5798540A (ja) |
EP (1) | EP0979529B1 (ja) |
JP (1) | JP2001522534A (ja) |
KR (1) | KR100498207B1 (ja) |
DE (1) | DE69835204T2 (ja) |
WO (1) | WO1998049730A1 (ja) |
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JP2007081103A (ja) * | 2005-09-14 | 2007-03-29 | Fujitsu Ltd | 半導体装置 |
JP2010509787A (ja) * | 2006-11-16 | 2010-03-25 | インテル コーポレイション | SbベースのCMOSデバイス |
JP2011166138A (ja) * | 2010-02-10 | 2011-08-25 | Taiwan Semiconductor Manufacturing Co Ltd | 状態密度が設計された電界効果トランジスタ |
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US6703639B1 (en) * | 2002-12-17 | 2004-03-09 | The United States Of America As Represented By The Secretary Of The Navy | Nanofabrication for InAs/AlSb heterostructures |
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-
1998
- 1998-03-26 DE DE69835204T patent/DE69835204T2/de not_active Expired - Fee Related
- 1998-03-26 WO PCT/US1998/006030 patent/WO1998049730A1/en active IP Right Grant
- 1998-03-26 KR KR10-1999-7010054A patent/KR100498207B1/ko not_active IP Right Cessation
- 1998-03-26 JP JP54698598A patent/JP2001522534A/ja not_active Ceased
- 1998-03-26 EP EP98913176A patent/EP0979529B1/en not_active Expired - Lifetime
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JP2007081103A (ja) * | 2005-09-14 | 2007-03-29 | Fujitsu Ltd | 半導体装置 |
JP2010509787A (ja) * | 2006-11-16 | 2010-03-25 | インテル コーポレイション | SbベースのCMOSデバイス |
JP2011166138A (ja) * | 2010-02-10 | 2011-08-25 | Taiwan Semiconductor Manufacturing Co Ltd | 状態密度が設計された電界効果トランジスタ |
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KR20010020429A (ko) | 2001-03-15 |
EP0979529A1 (en) | 2000-02-16 |
KR100498207B1 (ko) | 2005-07-01 |
EP0979529A4 (en) | 2000-09-20 |
WO1998049730A1 (en) | 1998-11-05 |
EP0979529B1 (en) | 2006-07-12 |
DE69835204D1 (de) | 2006-08-24 |
DE69835204T2 (de) | 2007-06-14 |
US5798540A (en) | 1998-08-25 |
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