JP5134615B2 - フィールド酸化物上で終端する見かけの金属接点線を使用してリバースエンジニアリングに対して保護された集積回路及びこれを製造するための方法 - Google Patents
フィールド酸化物上で終端する見かけの金属接点線を使用してリバースエンジニアリングに対して保護された集積回路及びこれを製造するための方法 Download PDFInfo
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- JP5134615B2 JP5134615B2 JP2009285209A JP2009285209A JP5134615B2 JP 5134615 B2 JP5134615 B2 JP 5134615B2 JP 2009285209 A JP2009285209 A JP 2009285209A JP 2009285209 A JP2009285209 A JP 2009285209A JP 5134615 B2 JP5134615 B2 JP 5134615B2
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- Prior art keywords
- field oxide
- contact
- oxide layer
- integrated circuit
- metal plug
- 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.)
- Expired - Fee Related
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- 239000002184 metal Substances 0.000 title claims description 35
- 238000000034 method Methods 0.000 title claims description 14
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000004065 semiconductor Substances 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 9
- 238000001465 metallisation Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 239000007943 implant Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 150000003377 silicon compounds Chemical class 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000135 prohibitive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/57—Protection from inspection, reverse engineering or tampering
- H01L23/573—Protection from inspection, reverse engineering or tampering using passive means
-
- 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
- H01L27/0203—Particular design considerations for integrated circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Power Engineering (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
- Design And Manufacture Of Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Formation Of Insulating Films (AREA)
Description
Claims (8)
- (a)半導体基板上に配置されたフィールド酸化物層であって、前記半導体基板の接点領域を限定する開口を有するところのフィールド酸化物層と、
(b)前記接点領域の一部の上に位置する第2のフィールド酸化物層と、
(c)前記第2のフィールド酸化物層の上に配置されたメタルプラグ接点と、
(d)前記メタルプラグ接点に接続された金属化層と
を備える、リバースエンジニアリングを阻止または防止するのに適した半導体デバイスにおいて、
前記メタルプラグ接点が、前記第2のフィールド酸化物層と接触しており、そして、前記第2のフィールド酸化物層は、前記メタルプラグ接点を前記接点領域から絶縁していることを特徴とする半導体デバイス。 - 前記半導体デバイスが集積回路を含む、請求項1に記載のデバイス。
- 前記集積回路がさらに、相補形金属酸化物半導体集積回路と、バイポーラシリコンベースの集積回路とを含む、請求項2に記載のデバイス。
- 前記フィールド酸化物層がさらにシリコン酸化物を含む、請求項1に記載のデバイス。
- (a)半導体基板上に配置されたフィールド酸化物層であって、前記半導体基板の接点領域を限定する開口を有するところのフィールド酸化物層を設けるステップと、
(b)前記接点領域の一部の上に位置する第2のフィールド酸化物層を設けるステップと、
(c)前記第2のフィールド酸化物層の上に配置されたメタルプラグ接点を設けるステップと、
(d)前記メタルプラグ接点に金属化層を接続するステップと
を含む、リバースエンジニアリングを阻止または防止するための方法において、
前記メタルプラグ接点が、前記第2のフィールド酸化物層と接触しており、そして、前記第2のフィールド酸化物層は、前記メタルプラグ接点を前記接点領域から絶縁していることを特徴とする方法。 - 前記半導体デバイスが集積回路を含む、請求項5に記載の方法。
- 前記集積回路がさらに相補形金属酸化物半導体集積回路を含む、請求項6に記載の方法。
- 前記フィールド酸化物層がさらにシリコン酸化物を含む、請求項5に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/768,904 US7294935B2 (en) | 2001-01-24 | 2001-01-24 | Integrated circuits protected against reverse engineering and method for fabricating the same using an apparent metal contact line terminating on field oxide |
US09/768,904 | 2001-01-24 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002560197A Division JP4920862B2 (ja) | 2001-01-24 | 2002-01-03 | フィールド酸化物上で終端する見かけの金属接点線を使用してリバースエンジニアリングに対して保護された集積回路及びこれを製造するための方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010103550A JP2010103550A (ja) | 2010-05-06 |
JP5134615B2 true JP5134615B2 (ja) | 2013-01-30 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2002560197A Expired - Fee Related JP4920862B2 (ja) | 2001-01-24 | 2002-01-03 | フィールド酸化物上で終端する見かけの金属接点線を使用してリバースエンジニアリングに対して保護された集積回路及びこれを製造するための方法 |
JP2007229291A Pending JP2008010887A (ja) | 2001-01-24 | 2007-09-04 | フィールド酸化物上で終端する見かけの金属接点線を使用してリバースエンジニアリングに対して保護された集積回路及びこれを製造するための方法 |
JP2009285209A Expired - Fee Related JP5134615B2 (ja) | 2001-01-24 | 2009-12-16 | フィールド酸化物上で終端する見かけの金属接点線を使用してリバースエンジニアリングに対して保護された集積回路及びこれを製造するための方法 |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002560197A Expired - Fee Related JP4920862B2 (ja) | 2001-01-24 | 2002-01-03 | フィールド酸化物上で終端する見かけの金属接点線を使用してリバースエンジニアリングに対して保護された集積回路及びこれを製造するための方法 |
JP2007229291A Pending JP2008010887A (ja) | 2001-01-24 | 2007-09-04 | フィールド酸化物上で終端する見かけの金属接点線を使用してリバースエンジニアリングに対して保護された集積回路及びこれを製造するための方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7294935B2 (ja) |
JP (3) | JP4920862B2 (ja) |
AU (1) | AU2002234203A1 (ja) |
DE (1) | DE10295878T5 (ja) |
GB (1) | GB2393851B (ja) |
TW (1) | TW526608B (ja) |
WO (1) | WO2002059968A2 (ja) |
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US8168487B2 (en) * | 2006-09-28 | 2012-05-01 | Hrl Laboratories, Llc | Programmable connection and isolation of active regions in an integrated circuit using ambiguous features to confuse a reverse engineer |
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-
2001
- 2001-01-24 US US09/768,904 patent/US7294935B2/en not_active Expired - Lifetime
- 2001-12-28 TW TW090133032A patent/TW526608B/zh not_active IP Right Cessation
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2002
- 2002-01-03 AU AU2002234203A patent/AU2002234203A1/en not_active Abandoned
- 2002-01-03 DE DE10295878T patent/DE10295878T5/de not_active Withdrawn
- 2002-01-03 WO PCT/US2002/000123 patent/WO2002059968A2/en active Application Filing
- 2002-01-03 JP JP2002560197A patent/JP4920862B2/ja not_active Expired - Fee Related
- 2002-01-03 GB GB0316906A patent/GB2393851B/en not_active Expired - Fee Related
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2007
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Also Published As
Publication number | Publication date |
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US7294935B2 (en) | 2007-11-13 |
US20020096776A1 (en) | 2002-07-25 |
DE10295878T5 (de) | 2004-07-22 |
JP2008010887A (ja) | 2008-01-17 |
JP4920862B2 (ja) | 2012-04-18 |
AU2002234203A1 (en) | 2002-08-06 |
JP2004518295A (ja) | 2004-06-17 |
WO2002059968A2 (en) | 2002-08-01 |
JP2010103550A (ja) | 2010-05-06 |
GB2393851B (en) | 2005-07-13 |
WO2002059968B1 (en) | 2003-05-22 |
GB2393851A (en) | 2004-04-07 |
TW526608B (en) | 2003-04-01 |
GB0316906D0 (en) | 2003-08-20 |
WO2002059968A3 (en) | 2002-11-14 |
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