KR20030020458A - 집적회로용 후면 접촉부 및 그것을 형성하는 방법 - Google Patents
집적회로용 후면 접촉부 및 그것을 형성하는 방법 Download PDFInfo
- Publication number
- KR20030020458A KR20030020458A KR10-2003-7001822A KR20037001822A KR20030020458A KR 20030020458 A KR20030020458 A KR 20030020458A KR 20037001822 A KR20037001822 A KR 20037001822A KR 20030020458 A KR20030020458 A KR 20030020458A
- Authority
- KR
- South Korea
- Prior art keywords
- substrate
- opening
- conductive
- dielectric layer
- integrated circuit
- Prior art date
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Classifications
-
- 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
-
- 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76898—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics formed through a semiconductor substrate
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (10)
- 반도체 소자의 전기적 상호접속부(114)에 전기적으로 연결된 종단부와, 접촉영역(152)과, 상기 종단부 및 상기 접촉영역(152)에 전기적으로 연결된 중간부를 포함하는 반도체 소자의 전기적 구조로서,상기 접촉영역(146)은 상기 반도체 소자의 후면(141)에 형성되고,상기 중간부(150)는 상기 반도체 소자의 기판부(110)를 통해 상기 종단부와 상기 접촉영역(152) 사이에서 연장되어 있는 것을 특징으로 하는 반도체 소자의 전기적 구조.
- 제 1 표면 및 제 2표면(141)을 갖는 반도체 기판(1100)과,상기 기판(110)의 상기 제 1표면의 적어도 일부분 위에 형성된 유전층(112)과,상기 유전층(112)의 적어도 일부분 위에 형성된 제 1전도층(114)과,상기 기판(110)의 상기 제 2표면(141)의 적어도 일부분 위에 형성된 제 2전도층과,상기 반도체 기판(110) 및 상기 유전층(112)을 통한 개구(144)에 의해 상기 제 1 및 제 2전도층을 연결하는 접속자를 포함하는 것을 특징으로 하는 반도체 소자.
- 제 2항에 있어서, 상기 반도체 기판(110) 및 상기 유전층(112)을 통한 상기 개구(144)는 상기 기판(110)의 제 2표면(141)에 거의 수직인 측벽(143)을 포함하는 것을 특징으로 하는 반도체 소자.
- 제 3항에 있어서, 상기 기판(110)을 통한 상기 개구(144)는 상기 기판(110)의 제 2표면(141) 근처에 테이퍼 에지(149)를 더 포함하는 것을 특징으로 하는 반도체 소자.
- 제 4항에 있어서, 상기 측벽(143)은 유전층(112)을 통해 그리고 상기 반도체 기판(110)의 적어도 일부분을 통해 연장되어 있는 것을 특징으로 하는 반도체 소자.
- 제 2항에 있어서, 상기 접속자와 상기 제 1전도층(114) 사이에 클래딩 인터페이스를 더 포함하는 것을 특징으로 하는 반도체 소자.
- 반도체 기판(110)의 제 1표면 위에 유전층(112)을 형성하는 단계와,상기 유전층(112) 위에 전도성 상호접속부(114)를 형성하는 단계와,상기 전도성 상호접속부(114)의 적어도 일부분을 노출하기 위해 상기 기판(110) 및 상기 유전층(112)에 개구(144)를 형성하는 단계와,상기 전도성 상호접속부(114)와의 전기적 접촉을 제공하기 위해 상기개구(144)를 전도물질(150)로 채우는 단계를 포함하는 것을 특징으로 하는 접촉부를 형성하는 방법.
- 제 7항에 있어서, 상기 전도성 상호접속부(114)의 적어도 일부분을 노출하기 위해 상기 기판(110) 및 상기 유전층(112)에 개구(144)를 형성하는 단계는,상기 반도체 기판(110)의 제 2표면(141) 위에 마스크의 개구(142)를 포함하는 마스크(140)를 형성하는 단계와,상기 마스크의 개구(142)를 통해 상기 기판(110) 및 상기 유전층(112)을 이등방성으로 에칭하는 단계를 포함하는 것을 특징으로 하는 접촉부를 형성하는 방법.
- 제 8항에 있어서, 상기 기판(110) 및 상기 유전층(112)을 이등방성으로 에칭하기 전에 상기 마스크의 개구(142)를 통해 상기 기판(110)을 등방성으로 에칭하는 단계를 더 포함하는 것을 특징으로 하는 접촉부를 형성하는 방법.
- 제 7항에 있어서, 상기 전도성 상호접속부(114)와 상기 전도물질(150) 사이에 클래딩 인터페이스를 형성하는 단계를 더 포함하는 것을 특징으로 하는 접촉부를 형성하는 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/633,931 | 2000-08-08 | ||
US09/633,931 US6468889B1 (en) | 2000-08-08 | 2000-08-08 | Backside contact for integrated circuit and method of forming same |
PCT/US2001/023571 WO2002013258A2 (en) | 2000-08-08 | 2001-07-26 | Backside contact for integrated circuit and method of forming same |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030020458A true KR20030020458A (ko) | 2003-03-08 |
KR100819191B1 KR100819191B1 (ko) | 2008-04-04 |
Family
ID=24541739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020037001822A KR100819191B1 (ko) | 2000-08-08 | 2001-07-26 | 집적회로용 후면 접촉부 및 그것을 형성하는 방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6468889B1 (ko) |
EP (1) | EP1307916B1 (ko) |
JP (1) | JP4959904B2 (ko) |
KR (1) | KR100819191B1 (ko) |
CN (1) | CN100459097C (ko) |
AU (1) | AU7802601A (ko) |
DE (1) | DE60127271T2 (ko) |
WO (1) | WO2002013258A2 (ko) |
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2000
- 2000-08-08 US US09/633,931 patent/US6468889B1/en not_active Expired - Lifetime
-
2001
- 2001-07-26 JP JP2002518518A patent/JP4959904B2/ja not_active Expired - Lifetime
- 2001-07-26 CN CNB018168744A patent/CN100459097C/zh not_active Expired - Lifetime
- 2001-07-26 EP EP01955980A patent/EP1307916B1/en not_active Expired - Lifetime
- 2001-07-26 DE DE60127271T patent/DE60127271T2/de not_active Expired - Lifetime
- 2001-07-26 AU AU7802601A patent/AU7802601A/xx active Pending
- 2001-07-26 KR KR1020037001822A patent/KR100819191B1/ko active IP Right Grant
- 2001-07-26 WO PCT/US2001/023571 patent/WO2002013258A2/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR100819191B1 (ko) | 2008-04-04 |
EP1307916A2 (en) | 2003-05-07 |
AU7802601A (en) | 2002-02-18 |
CN1706039A (zh) | 2005-12-07 |
US6468889B1 (en) | 2002-10-22 |
JP4959904B2 (ja) | 2012-06-27 |
JP2004506324A (ja) | 2004-02-26 |
EP1307916B1 (en) | 2007-03-14 |
CN100459097C (zh) | 2009-02-04 |
WO2002013258A2 (en) | 2002-02-14 |
DE60127271T2 (de) | 2007-12-20 |
DE60127271D1 (de) | 2007-04-26 |
WO2002013258A3 (en) | 2002-07-04 |
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