KR100416614B1 - 본딩패드 하부구조를 보강하기 위한 반도체 소자 및 그제조방법 - Google Patents
본딩패드 하부구조를 보강하기 위한 반도체 소자 및 그제조방법 Download PDFInfo
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- KR100416614B1 KR100416614B1 KR10-2002-0015149A KR20020015149A KR100416614B1 KR 100416614 B1 KR100416614 B1 KR 100416614B1 KR 20020015149 A KR20020015149 A KR 20020015149A KR 100416614 B1 KR100416614 B1 KR 100416614B1
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- bonding pad
- substructure
- metal layer
- interlayer insulating
- insulating film
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- 238000000034 method Methods 0.000 title claims abstract description 78
- 239000004065 semiconductor Substances 0.000 title claims abstract description 66
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 81
- 229910052751 metal Inorganic materials 0.000 claims abstract description 63
- 239000002184 metal Substances 0.000 claims abstract description 63
- 239000011229 interlayer Substances 0.000 claims abstract description 54
- 230000008569 process Effects 0.000 claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 claims abstract description 21
- 238000005530 etching Methods 0.000 claims abstract description 16
- 238000011161 development Methods 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 10
- 229920002120 photoresistant polymer Polymers 0.000 claims description 7
- 238000000059 patterning Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000002356 single layer Substances 0.000 claims description 5
- 238000002161 passivation Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 239000011241 protective layer Substances 0.000 claims description 2
- 238000001465 metallisation Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
Description
Claims (20)
- 반도체 기판;상기 반도체 기판 위에 형성된 하부구조;상기 하부구조 위에 형성되되,노광 공정에서는 서로 연결되지 않고 일정간격으로 이격된 점(dot)들이 전체적으로 메쉬(mesh) 형태를 이루고,현상 및 식각 공정에서 상기 이격된 점(dot)들이 서로 연결되어 전체적으로 메쉬 형태를 이루는 메쉬 형태의 트랜치 콘택부를 포함하는 층간 절연막;상기 층간 절연막의 메쉬 형태의 트랜치 콘택부를 채우는 콘택 플러그; 및상기 층간 절연막 위에 형성된 본딩패드용 금속층을 구비하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 제1항에 있어서, 상기 하부구조는,트랜지스터를 포함하는 회로부;상기 회로부 위에 형성된 절연막; 및상기 절연막 위에 형성된 하부 금속층을 구비하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 제2항에 있어서,상기 절연막은 평탄화가 완료된 막질인 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 제1항에 있어서,상기 본딩패드용 금속층은 그 상부에 본딩패드는 노출시키면서 나머지 반도체 기판 전체를 덮는 최종보호막을 더 구비하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 제1항에 있어서,상기 서로 연결되지 않고 일정간격으로 이격된 점(dot)에서 이격된 거리는 점의 직경의 5 ~ 95% 범위로 이격된 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 제1항에 있어서,상기 콘택 플러그는 텅스텐이 재질인 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 제1항에 있어서,상기 콘택 플러그는 본딩패드용 금속층과 동일한 재질인 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 제1항에 있어서,상기 본딩패드용 금속층은 단일층(single layer)인 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 제8항에 있어서,상기 다층구조의 본딩패드용 금속층은 다층막(multi-layer)인 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 제1항에 있어서,상기 하부구조와 상기 층간 절연막 사이에상기 층간 절연막, 콘택 플러그 및 본딩패드용 금속층과 동일한 구조를 갖는 또 다른 층간 절연막, 콘택 플러그 및 본딩패드용 금속층을 더 구비하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자.
- 반도체 기판 위에 회로부를 포함하는 하부구조를 형성하는 제1 공정;상기 하부구조 위에 층간 절연막을 증착하는 제2 공정;상기 층간 절연막 위에 포토레지스트막을 도포하고 노광 공정을 진행하되,서로 연결되지 않고 일정간격으로 이격된 점들이 메쉬 형태를 이루는 패턴이 상기 포토레지스트막 위에 전사(transcription)되도록 노광을 진행하는 제3 공정;상기 노광이 이루어진 층간 절연막에 현상(development) 및 식각 공정을 진행하되, 상기 일정간격으로 이격된 점들이 확장되어 서로 연결된 메쉬 형태의 트랜치 콘택부가 형성되도록 현상 및 식각을 진행하는 제4 공정;상기 층간 절연막의 메쉬 형태의 트랜치 콘택부에 도전물질을 채워 콘택 플러그를 형성하는 제5 공정; 및상기 콘택 플러그가 채워진 층간 절연막 위에 본딩패드용 금속층을 증착하는 제6 공정을 구비하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
- 제11항에 있어서,상기 하부구조를 형성하는 제1 공정은상기 반도체 기판 위에 회로부를 형성하는 공정;상기 회로부 위에 평탄화를 위한 절연막을 증착하는 공정; 및상기 절연막 위에 하부 금속층을 형성하는 공정을 포함하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
- 제11항에 있어서, 상기 제6 공정후,상기 본딩패드용 금속막 위에 최종보호막을 적층하는 공정; 및상기 최종보호막을 패터닝하여 상기 본딩패드용 금속층에서 본딩패드를 노출시키는 공정을 더 진행하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
- 제11항에 있어서,상기 제3 공정의 일정간격으로 이격된 점들은 그 이격된 거리가 점의 직경의 5~95% 범위인 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
- 제11항에 있어서,상기 제5 공정은 콘택 플러그용 도전물질로 텅스텐을 사용하여 진행하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
- 제11항에 있어서,상기 제5 공정은 콘택 플러그용 도전물로 본딩패드용 금속층과 동일한 도전물질을 사용하여 진행하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
- 제11항에 있어서,상기 제5 공정 후, 상기 층간 절연막에 대한 평탄화 공정을 더 진행하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
- 제11항에 있어서,상기 제6 공정의 본딩패드용 금속층은 단일층으로 형성하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
- 제11항에 있어서,상기 제6 공정의 본딩패드용 금속층은 다층막으로 형성하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
- 제11항에 있어서,상기 제1 공정 후에,또 다른 층간 절연막, 콘택 플러그 및 본딩패드용 금속층을 형성하기 위한 제2 공정 내지 제6 공정을 더 진행하는 것을 특징으로 하는 본딩패드 하부구조를 보강하기 위한 반도체 소자의 제조방법.
Priority Applications (5)
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KR10-2002-0015149A KR100416614B1 (ko) | 2002-03-20 | 2002-03-20 | 본딩패드 하부구조를 보강하기 위한 반도체 소자 및 그제조방법 |
US10/376,110 US6717272B2 (en) | 2002-03-20 | 2003-02-26 | Reinforced bond-pad substructure and method for fabricating the same |
DE10309998A DE10309998B4 (de) | 2002-03-20 | 2003-02-27 | Halbleiterbauelement mit einer verstärkten Substruktur einer Kontaktstelle und zugehöriges Herstellungsverfahren |
JP2003070797A JP3923440B2 (ja) | 2002-03-20 | 2003-03-14 | ボンディングパッド下部に補強構造を有する半導体素子及びその製造方法 |
TW092106167A TWI227539B (en) | 2002-03-20 | 2003-03-20 | Reinforced bond-pad substructure and method for fabricating the same |
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KR10-2002-0015149A KR100416614B1 (ko) | 2002-03-20 | 2002-03-20 | 본딩패드 하부구조를 보강하기 위한 반도체 소자 및 그제조방법 |
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US (1) | US6717272B2 (ko) |
JP (1) | JP3923440B2 (ko) |
KR (1) | KR100416614B1 (ko) |
DE (1) | DE10309998B4 (ko) |
TW (1) | TWI227539B (ko) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US6960836B2 (en) * | 2003-09-30 | 2005-11-01 | Agere Systems, Inc. | Reinforced bond pad |
WO2005057654A2 (en) * | 2003-12-10 | 2005-06-23 | Philips Intellectual Property & Standards Gmbh | Wire-bonded semiconductor component with reinforced inner connection metallization |
JP4517843B2 (ja) * | 2004-12-10 | 2010-08-04 | エルピーダメモリ株式会社 | 半導体装置 |
JP4522435B2 (ja) * | 2007-06-05 | 2010-08-11 | 富士通テン株式会社 | 高周波回路装置、及びレーダ装置 |
JP5034740B2 (ja) | 2007-07-23 | 2012-09-26 | ルネサス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 |
KR20100039425A (ko) * | 2007-07-26 | 2010-04-15 | 엔엑스피 비 브이 | 보강 구조체, 반도체 소자, 조립체, 오디오 회로, 전자 장치 및 보강 구조체 제조 방법 |
CN101765913B (zh) * | 2007-07-30 | 2012-10-03 | Nxp股份有限公司 | 底部粗糙度减小的半导体部件的应力缓冲元件 |
JP4953132B2 (ja) * | 2007-09-13 | 2012-06-13 | 日本電気株式会社 | 半導体装置 |
JP5098655B2 (ja) * | 2008-01-18 | 2012-12-12 | 富士通セミコンダクター株式会社 | 電子装置 |
JP5610905B2 (ja) | 2010-08-02 | 2014-10-22 | パナソニック株式会社 | 半導体装置 |
US8802554B2 (en) * | 2011-02-15 | 2014-08-12 | Marvell World Trade Ltd. | Patterns of passivation material on bond pads and methods of manufacture thereof |
WO2015029159A1 (ja) * | 2013-08-28 | 2015-03-05 | 三菱電機株式会社 | 半導体装置 |
CN107422610B (zh) * | 2017-07-20 | 2019-09-24 | 武汉华星光电技术有限公司 | 一种母板曝光方法 |
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KR19980086680A (ko) * | 1997-05-01 | 1998-12-05 | 윌리엄 비. 켐플러 | 본드 패드 보강 시스템 및 방법 |
KR20010073536A (ko) * | 2000-01-18 | 2001-08-01 | 윤종용 | 전극패드 하부에 그물형 플러그가 형성된 반도체 칩 |
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US5939790A (en) * | 1996-04-09 | 1999-08-17 | Altera Corporation | Integrated circuit pad structures |
US5700735A (en) * | 1996-08-22 | 1997-12-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of forming bond pad structure for the via plug process |
TW416575U (en) * | 1998-06-03 | 2000-12-21 | United Integrated Circuits Corp | Bonding pad structure |
US6444295B1 (en) * | 1998-12-29 | 2002-09-03 | Industrial Technology Research Institute | Method for improving integrated circuits bonding firmness |
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KR19980086680A (ko) * | 1997-05-01 | 1998-12-05 | 윌리엄 비. 켐플러 | 본드 패드 보강 시스템 및 방법 |
US20010010408A1 (en) * | 1999-03-19 | 2001-08-02 | Ming-Dou Ker | Low-capacitance bonding pad for semiconductor device |
KR20010073536A (ko) * | 2000-01-18 | 2001-08-01 | 윤종용 | 전극패드 하부에 그물형 플러그가 형성된 반도체 칩 |
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JP2003282627A (ja) | 2003-10-03 |
TWI227539B (en) | 2005-02-01 |
JP3923440B2 (ja) | 2007-05-30 |
DE10309998A1 (de) | 2003-10-16 |
TW200403801A (en) | 2004-03-01 |
US20030178644A1 (en) | 2003-09-25 |
KR20030075780A (ko) | 2003-09-26 |
DE10309998B4 (de) | 2006-06-14 |
US6717272B2 (en) | 2004-04-06 |
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