KR950034536A - 화합물 반도체의 오옴 접속방법 - Google Patents

화합물 반도체의 오옴 접속방법 Download PDF

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KR950034536A
KR950034536A KR1019950003321A KR19950003321A KR950034536A KR 950034536 A KR950034536 A KR 950034536A KR 1019950003321 A KR1019950003321 A KR 1019950003321A KR 19950003321 A KR19950003321 A KR 19950003321A KR 950034536 A KR950034536 A KR 950034536A
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layer
augeni
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compound semiconductor
weight percent
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KR1019950003321A
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KR100351195B1 (ko
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게르너 요헨
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클라우스 봄하르트, 한스-위르겐 파우테
테믹 텔레풍켄 마이크로엘렉트로닉 게엠베하
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—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
    • H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
    • H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
    • H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
    • 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
    • H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
    • H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
    • H01L21/285—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation
    • H01L21/28506—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers
    • H01L21/28575—Deposition of conductive or insulating materials for electrodes conducting electric current from a gas or vapour, e.g. condensation of conductive layers on semiconductor bodies comprising AIIIBV compounds
    • 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
    • H01L29/43—Electrodes ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
    • H01L29/45—Ohmic electrodes
    • H01L29/452—Ohmic electrodes on AIII-BV compounds

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  • 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)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
  • Led Devices (AREA)

Abstract

본 발명은 Ⅲ-Ⅴ화합물 반도체의 n 도핑된 반도체 층위에 오옴 접속방법을 하기 위한 방법에 관한 것이다. AuGeNi층은 n형 Ⅲ-Ⅴ화합물 반도체 위에 형성되며, AuGeNi층의 두께는 50 및 200nm 사이에 놓이며, AuGeNi층의 게르마늄 및 니켈 농도로 1중량 퍼센트 이하이다. 250 및 1000nm 사이의 두께를 가진 Au층은 AuGeNi층에 공급된다. 이들 층은 합금되는 것이 아니라 5 및 20초 주기동안 430 및 480℃ 사이의 온도에서 또는 40 및 180분 주기동안 360 및 400℃ 사이의 온도에서 띄임된다. 본 방법으로 만들어진 금속 반도체 접속은 낮은 접속 저항을 가지면 합금 AuGeNi 접속의 비균질성을 제거한다.

Description

화합물 반도체의 오옴 접속방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제2도는 열 처리전에 접속을 구성한 층에 대한 단면도를 도시한다.

Claims (11)

  1. 처음에 금속 접속층이 n 도핑된 반도체층에 공급되며, 금층이 상기 금속접속층에 공급되며, 그리고 마지막으로 이렇게 얻은 구조체가 열처리 단계에서 뜨임되며, 상기 금속 접속층은 AuGeNi로 이루어지며, 게르마늄 함유량 또는 니켈 함유량이 1중량 퍼센트를 초과하지 않은 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  2. 제1항에 있어서, 여러층이 40 내지 80분 주기동안 360 내지 390℃의 온도에서 뜨임되는 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  3. 제1항에 있어서, 상기 구조체는 5 내지 20초 주기동안 430 내지 480℃의 온도에서 뜨임되는 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  4. 제1항에 있어서, AuGeNi층의 니켈 함유량은 0.5중량 퍼센트인 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  5. 제1항에 있어서, AuGeNi층의 게르마늄 함유량은 0.4중량 퍼센트인 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  6. 제4항에 있어서, AuGeNi층은 50 및 200nm 사이의 두께를 가지는 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  7. 제1항에 있어서, Au층은 250 및 1000nm 사이의 두께를 가지는 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  8. 제1항에 있어서, TiWN층은 초기에 열처리 단계전에 AuGeNi층을 덮어 씌운 Au층 위에 증착되며 그 다음에 Al을 보강하는 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  9. 제8항에 있어서, TiWN층의 두께는 100 및 500nm 사이에 놓이는 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  10. 제9항에 있어서, 알루미늄층의 두께는 1 및 3 마이크론 사이에 놓이는 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
  11. 제1항에 있어서, 접속구조체는 열처리 단계전에 형성되는 것을 특징으로 하는 Ⅲ-Ⅴ 화합물 반도체의 n 도핑된 반도체 층위의 오옴 접속방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950003321A 1994-02-23 1995-02-21 화합물반도체의오믹콘택트제조방법 KR100351195B1 (ko)

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Application Number Priority Date Filing Date Title
DE4405716A DE4405716C2 (de) 1994-02-23 1994-02-23 Verfahren zur Herstellung von ohmschen Kontakten für Verbindungshalbleiter
DEP4405716.4 1994-02-23

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US7881359B2 (en) * 1999-04-23 2011-02-01 The Furukawa Electric Co., Ltd Surface-emission semiconductor laser device
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DE4405716A1 (de) 1995-08-24
JP3418849B2 (ja) 2003-06-23
US5731224A (en) 1998-03-24
DE4405716C2 (de) 1996-10-31
JPH07263375A (ja) 1995-10-13
KR100351195B1 (ko) 2002-12-11

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