KR100606654B1 - 전자파 장해 저감용 페라이트 차폐 구조를 구비하는 반도체패키지 및 그 제조 방법 - Google Patents
전자파 장해 저감용 페라이트 차폐 구조를 구비하는 반도체패키지 및 그 제조 방법 Download PDFInfo
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- KR100606654B1 KR100606654B1 KR1020050070396A KR20050070396A KR100606654B1 KR 100606654 B1 KR100606654 B1 KR 100606654B1 KR 1020050070396 A KR1020050070396 A KR 1020050070396A KR 20050070396 A KR20050070396 A KR 20050070396A KR 100606654 B1 KR100606654 B1 KR 100606654B1
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- ferrite
- power
- semiconductor package
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
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- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 5
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- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 2
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- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- -1 Fe2O4 Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
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Abstract
Description
Claims (31)
- 활성면에 형성된 적어도 하나 이상의 전원/접지 패드를 구비하는 집적회로 칩;상기 집적회로 칩의 활성면을 덮으며 상기 전원/접지 패드를 노출시키는 적어도 하나 이상의 절연층;상기 절연층 상에 형성되는 적어도 하나 이상의 전원/접지 단자;상기 전원/접지 패드와 상기 전원/접지 단자를 전기적으로 연결하는 적어도 하나 이상의 금속 배선; 및페라이트 물질로 이루어지며 상기 전원/접지 단자의 가장자리를 연속적으로 둘러싸는 페라이트 차폐 구조;를 포함하는 반도체 패키지.
- 제1항에 있어서, 상기 페라이트 물질은 산화철과 적어도 하나 이상의 금속으로 이루어지는 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서, 상기 페라이트 물질은 산화철 및 니켈, 아연, 망간, 코발트, 마그네슘, 알루미늄, 바륨, 구리, 철 중에서 선택된 하나 이상의 금속으로 이루어지는 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서, 상기 전원/접지 단자는 상기 전원/접지 패드와 동일한 위치에 배치되는 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서, 상기 전원/접지 단자는 상기 전원/접지 패드와 상이한 위치에 배치되는 것을 특징으로 하는 반도체 패키지.
- 제4항에 있어서, 상기 금속 배선은 상기 전원/접지 패드와 직접 접촉하는 UBM 층인 것을 특징으로 하는 반도체 패키지.
- 제5항에 있어서, 상기 금속 배선은 재배선과 UBM 층을 구비하며, 상기 재배선은 상기 절연층 내부에 형성되며 한쪽 끝이 상기 전원/접지 패드와 직접 접촉하고 반대쪽 끝이 상기 전원/접지 단자 쪽으로 연장되며, 상기 UBM 층은 상기 전원/접지 단자와 상기 재배선 사이에 개재되는 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서, 상기 페라이트 차폐 구조는 링 형태를 가지는 것을 특징으로 하는 반도체 패키지.
- 제1항에 있어서, 상기 페라이트 차폐 구조는 상기 전원/접지 단자의 하단 가장자리를 둘러싸는 것을 특징으로 하는 반도체 패키지.
- 제6항 또는 제7항에 있어서, 상기 페라이트 차폐 구조는 상기 UBM 층과 상기 절연층 사이에 개재되는 것을 특징으로 하는 반도체 패키지.
- 제6항 또는 제7항에 있어서, 상기 페라이트 차폐 구조는 상기 절연층 위에서 상기 UBM 층의 측면을 따라 형성되는 것을 특징으로 하는 반도체 패키지.
- 활성면에 형성된 적어도 하나 이상의 전원/접지 패드를 구비하는 집적회로 칩;상기 집적회로 칩의 활성면을 덮으며 상기 전원/접지 패드를 노출시키는 제1 절연층;상기 제1 절연층 상에 형성되며 한쪽 끝이 상기 전원/접지 패드에 연결되고 반대쪽 끝이 상기 제1 절연층을 따라 연장되는 적어도 하나 이상의 재배선;상기 제1 절연층 상에 형성되며 상기 재배선의 일부를 노출시키는 제2 절연층;상기 재배선의 노출된 일부에 형성되는 적어도 하나 이상의 전원/접지 단자; 및페라이트 물질로 이루어지며 상기 재배선의 일부를 연속적으로 감싸는 페라이트 차폐 구조;를 포함하는 반도체 패키지.
- 제12항에 있어서, 상기 페라이트 물질은 산화철과 적어도 하나 이상의 금속으로 이루어지는 것을 특징으로 하는 반도체 패키지.
- 제12항에 있어서, 상기 페라이트 물질은 산화철 및 니켈, 아연, 망간, 코발트, 마그네슘, 알루미늄, 바륨, 구리, 철 중에서 선택된 하나 이상의 금속으로 이루어지는 것을 특징으로 하는 반도체 패키지.
- 제12항에 있어서, 상기 전원/접지 단자는 상기 전원/접지 패드와 상이한 위치에 배치되는 것을 특징으로 하는 반도체 패키지.
- 제12항에 있어서, 상기 페라이트 차폐 구조는 원통 형태를 가지는 것을 특징으로 하는 반도체 패키지.
- 제12항에 있어서, 상기 페라이트 차폐 구조는 상기 재배선과 직접 접촉하여 감싸는 것을 특징으로 하는 반도체 패키지.
- 제12항에 있어서, 상기 페라이트 차폐 구조는 상기 재배선과 떨어져 감싸는 것을 특징으로 하는 반도체 패키지.
- (a) 활성면에 형성된 적어도 하나 이상의 전원/접지 패드를 구비하는 집적회 로 칩을 제공하는 단계;(b) 상기 전원/접지 패드를 노출시키면서 상기 집적회로 칩의 활성면을 덮도록 적어도 하나 이상의 절연층을 형성하는 단계;(c) 상기 절연층 상에 적어도 하나 이상의 전원/접지 단자를 형성하는 단계;(d) 상기 전원/접지 패드와 상기 전원/접지 단자를 전기적으로 연결하는 적어도 하나 이상의 금속 배선을 형성하는 단계; 및(e) 상기 전원/접지 단자의 가장자리를 연속적으로 둘러싸도록 페라이트 물질로 이루어지는 페라이트 차폐 구조를 형성하는 단계;를 포함하는 반도체 패키지의 제조 방법.
- 제19항에 있어서, 상기 (e) 단계는 상기 절연층 위에 상기 페라이트 물질을 전면 증착하여 페라이트 층을 형성하는 (e-1) 단계와, 상기 페라이트 층을 부분적으로 제거하는 (e-2) 단계를 구비하는 것을 특징으로 하는 반도체 패키지의 제조 방법.
- 제20항에 있어서, 상기 (e-1) 단계는 스퍼터링을 이용하여 상기 페라이트 물질을 전면 증착하는 단계인 것을 특징으로 하는 반도체 패키지의 제조 방법.
- 제19항에 있어서, 상기 (e) 단계는 상기 절연층 위에 감광막 패턴을 형성하는 (e-1) 단계와, 상기 감광막 패턴을 통하여 페라이트 물질을 부분적으로 증착하 는 (e-2) 단계를 구비하는 것을 특징으로 하는 반도체 패키지의 제조 방법.
- 제22항에 있어서, 상기 (e-2) 단계는 전해도금을 이용하여 상기 페라이트 물질을 부분 증착하는 단계인 것을 특징으로 하는 반도체 패키지의 제조 방법.
- (a) 활성면에 형성된 적어도 하나 이상의 전원/접지 패드를 구비하는 집적회로 칩을 제공하는 단계;(b) 상기 전원/접지 패드를 노출시키면서 상기 집적회로 칩의 활성면을 덮도록 제1 절연층을 형성하는 단계;(c) 한쪽 끝이 상기 전원/접지 패드에 연결되고 반대쪽 끝이 상기 제1 절연층을 따라 연장되도록 상기 제1 절연층 상에 적어도 하나 이상의 재배선을 형성하는 단계;(d) 상기 제1 절연층 상에 상기 재배선의 일부를 노출시키는 제2 절연층을 형성하는 단계;(e) 상기 재배선의 노출된 일부에 적어도 하나의 전원/접지 단자를 형성하는 단계; 및(f) 상기 재배선의 일부를 연속적으로 감싸도록 페라이트 물질로 이루어지는 페라이트 차폐 구조를 형성하는 단계;를 포함하는 반도체 패키지의 제조 방법.
- 제24항에 있어서, 상기 (f) 단계는 상기 (c) 단계 전에 상기 제1 절연층 위에 상기 페라이트 물질을 전면 증착하여 하부 페라이트 층을 형성하는 (f-1) 단계와, 상기 (c) 단계 후에 상기 하부 페라이트 층과 상기 재배선을 덮도록 상기 페라이트 물질을 부분적으로 증착하여 상부 페라이트 층을 형성하는 (f-2) 단계와, 상기 하부 페라이트 층을 부분적으로 제거하는 (f-3) 단계를 구비하는 것을 특징으로 하는 반도체 패키지의 제조 방법.
- 제25항에 있어서, 상기 (f-1) 단계는 스퍼터링을 이용하여 상기 페라이트 물질을 전면 증착하는 단계인 것을 특징으로 하는 반도체 패키지의 제조 방법.
- 제25항에 있어서, 상기 (f-2) 단계는 전해도금을 이용하여 상기 페라이트 물질을 부분 증착하는 단계인 것을 특징으로 하는 반도체 패키지의 제조 방법.
- 제24항에 있어서, 상기 (f) 단계는 상기 (c) 단계 전에 상기 제1 절연층 위에 상기 페라이트 물질을 부분적으로 증착하여 하부 페라이트 층을 형성하는 (f-1) 단계와, 상기 (c) 단계 후에 상기 하부 페라이트 층과 상기 재배선을 덮도록 상기 페라이트 물질을 부분적으로 증착하여 상부 페라이트 층을 형성하는 (f-2) 단계를 구비하는 것을 특징으로 하는 반도체 패키지의 제조 방법.
- 제28항에 있어서, 상기 (f-1) 단계는 스퍼터링을 이용하여 상기 페라이트 물 질을 전면 증착한 후 부분적으로 제거하는 단계인 것을 특징으로 하는 반도체 패키지의 제조 방법.
- 제28항에 있어서, 상기 (f-1) 단계는 전해도금을 이용하여 상기 페라이트 물질을 부분 증착하는 단계인 것을 특징으로 하는 반도체 패키지의 제조 방법.
- 제28항에 있어서, 상기 (f-2) 단계는 전해도금을 이용하여 상기 페라이트 물질을 부분 증착하는 단계인 것을 특징으로 하는 반도체 패키지의 제조 방법.
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US11/387,848 US7495317B2 (en) | 2005-08-01 | 2006-03-24 | Semiconductor package with ferrite shielding structure |
JP2006145633A JP5138181B2 (ja) | 2005-08-01 | 2006-05-25 | フェライト遮蔽構造を備えた半導体パッケージ |
CN2006101081321A CN1909223B (zh) | 2005-08-01 | 2006-07-27 | 具有铁氧体屏蔽结构的半导体封装 |
DE102006036963A DE102006036963A1 (de) | 2005-08-01 | 2006-08-01 | Halbleiterbauelement mit Kontaktstelle und Herstellungsverfahren |
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