JP2016213293A - 半導体集積回路装置 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 34
- 239000011229 interlayer Substances 0.000 claims abstract description 26
- 238000002955 isolation Methods 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims abstract description 15
- 229910052581 Si3N4 Inorganic materials 0.000 claims abstract description 11
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052710 silicon Inorganic materials 0.000 abstract description 11
- 239000010703 silicon Substances 0.000 abstract description 11
- 239000004642 Polyimide Substances 0.000 abstract description 9
- 229920001721 polyimide Polymers 0.000 abstract description 9
- 239000002184 metal Substances 0.000 abstract description 7
- 230000005856 abnormality Effects 0.000 abstract description 3
- 239000005380 borophosphosilicate glass Substances 0.000 abstract description 3
- 238000003698 laser cutting Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 abstract description 2
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 24
- 238000005520 cutting process Methods 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Abstract
Description
前記半導体基板の表面に設けられた素子分離絶縁膜と、
前記素子分離絶縁膜の上に間隔を空けて配置された第1の多結晶シリコンからなる複数のヒューズ素子と、
前記ヒューズ素子上に配置された絶縁膜と、
前記絶縁膜上に設けられた層間絶縁膜と、
前記層間絶縁膜上に設けられたシリコン窒化膜と、
前記シリコン窒化膜および前記層間絶縁膜の一部を除去して、前記ヒューズ素子の上方に設けた開口領域と、
前記開口領域下の前記層間絶縁膜の残部を除去して、前記ヒューズ素子のヒューズ中央部の両側近傍に一定の間隔をおいて配置した凹部と、
からなることを特徴とする半導体集積回路装置とした。
また、前記ヒューズ素子のヒューズ中央部の両側近傍に一定の間隔をおいて配置した凹部がドット状であることを特徴とする半導体集積回路装置とした。
また、前記ヒューズ素子のヒューズ中央部の両側近傍に一定の間隔をおいて配置した凹部が隣接するヒューズ素子間に一つであることを特徴とする半導体集積回路装置とした。
図1は本発明の第一の実施例となる半導体集積回路装置の模式平面図であり、図2は本明の実施例1の半導体集積回路装置のA−A’に沿った模式断面図である。まず、図1を用いて、ヒューズ領域の平面構造について説明する。シリコン半導体基板上に設けられた素子分離絶縁膜の表面にヒューズ素子103が複数配置されている。ヒューズ素子103のヒューズ中央部はレーザーにより切断しやすいように両端部に比べ細くなっている。そして、ヒューズ素子103のヒューズ中央部の両側近傍には一定の間隔をおいてスリット形状の凹部201が配置されている。さらに、複数のヒューズ素子103の中央部はレーザーによる切断を行なう為に、ポリイミド、保護膜、そして層間絶縁膜が途中までエッチングにより削除されたヒューズ開口領域108が配置されている。したがって、凹部201はヒューズ開口領域108の底に露出して形成されていることになる。ここで、本発明の特徴は、ヒューズ素子103に隣接してヒューズ素子103上の層間絶縁膜105にスリット状の凹部201を配置した点である。本実施例ではスリット状の凹部201は平面視が矩形となっている。
102 素子分離絶縁膜
103 ヒューズ素子
104 絶縁膜(BPSG膜)
105 メタル配線間の層間絶縁膜
106 シリコン窒化膜
107 ポリイミド
108 ヒューズ開口領域
201 凹部
Claims (4)
- 半導体基板と、
前記半導体基板の表面に設けられた素子分離絶縁膜と、
前記素子分離絶縁膜の上に間隔を空けて配置された多結晶シリコンからなる複数のヒューズ素子と、
前記ヒューズ素子上に配置された絶縁膜と、
前記絶縁膜上に設けられた層間絶縁膜と、
前記層間絶縁膜上に設けられたシリコン窒化膜と、
前記ヒューズ素子の上方に設けられた、前記シリコン窒化膜および前記層間絶縁膜の一部が除去された開口領域と、
前記開口領域の下の前記層間絶縁膜の残部に設けられた、前記ヒューズ素子のヒューズ中央部の両側に一定の間隔をおいて配置された凹部と、
からなる半導体集積回路装置。 - 前記ヒューズ中央部の両側に一定の間隔をおいて配置した凹部がスリット状である請求項1記載の半導体集積回路装置。
- 前記ヒューズ中央部の両側に一定の間隔をおいて配置した凹部がドット状である請求項1記載の半導体集積回路装置。
- 前記ヒューズ中央部の両側に一定の間隔をおいて配置した凹部が隣接するヒューズ素子間に一つである請求項1乃至3のいずれか1項記載の半導体集積回路装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015094311A JP2016213293A (ja) | 2015-05-01 | 2015-05-01 | 半導体集積回路装置 |
TW105111375A TWI688072B (zh) | 2015-05-01 | 2016-04-12 | 半導體積體電路裝置 |
US15/138,338 US9793215B2 (en) | 2015-05-01 | 2016-04-26 | Semiconductor integrated circuit device |
KR1020160052225A KR20160130157A (ko) | 2015-05-01 | 2016-04-28 | 반도체 집적회로 장치 |
CN201610276143.4A CN106098685B (zh) | 2015-05-01 | 2016-04-29 | 半导体集成电路装置 |
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JP2015094311A JP2016213293A (ja) | 2015-05-01 | 2015-05-01 | 半導体集積回路装置 |
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US (1) | US9793215B2 (ja) |
JP (1) | JP2016213293A (ja) |
KR (1) | KR20160130157A (ja) |
CN (1) | CN106098685B (ja) |
TW (1) | TWI688072B (ja) |
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JP6105727B2 (ja) * | 2014-11-13 | 2017-06-28 | エス・オー・シー株式会社 | チップヒューズの製造方法及びチップヒューズ |
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KR20140010268A (ko) * | 2012-07-16 | 2014-01-24 | 에스케이하이닉스 주식회사 | 반도체 소자 및 그 제조 방법 |
JP6448424B2 (ja) * | 2015-03-17 | 2019-01-09 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
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2015
- 2015-05-01 JP JP2015094311A patent/JP2016213293A/ja active Pending
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2016
- 2016-04-12 TW TW105111375A patent/TWI688072B/zh not_active IP Right Cessation
- 2016-04-26 US US15/138,338 patent/US9793215B2/en active Active
- 2016-04-28 KR KR1020160052225A patent/KR20160130157A/ko unknown
- 2016-04-29 CN CN201610276143.4A patent/CN106098685B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
---|---|
TWI688072B (zh) | 2020-03-11 |
TW201709467A (zh) | 2017-03-01 |
KR20160130157A (ko) | 2016-11-10 |
CN106098685B (zh) | 2020-12-01 |
CN106098685A (zh) | 2016-11-09 |
US20160322301A1 (en) | 2016-11-03 |
US9793215B2 (en) | 2017-10-17 |
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