KR20100080612A - 반도체 소자의 제조에 사용하기 위한 무연 전도성 조성물 및 공정: Mg-함유 첨가제 - Google Patents
반도체 소자의 제조에 사용하기 위한 무연 전도성 조성물 및 공정: Mg-함유 첨가제 Download PDFInfo
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Abstract
Description
도 1은 반도체 소자의 제조를 도시하는 공정 흐름도이다.
도 1에 도시된 도면 부호는 아래에 설명되어 있다.
10: p형 규소 기판
20: n형 확산층
30: 질화규소 막, 산화티타늄 막, 또는 산화규소 막
40: p+ 층(후면 전계, BSF)
50: 전면 상에 형성된 은 페이스트
51: 은 전면 전극(전면 은 페이스트를 소성함으로써 얻어짐)
60: 후면 상에 형성된 알루미늄 페이스트
61: 알루미늄 후면 전극(후면 알루미늄 페이스트를 소성함으로써 얻어짐)
70: 후면 상에 형성된 은 또는 은/알루미늄 페이스트
71: 은 또는 은/알루미늄 후면 전극(후면 은 페이스트를 소성함으로써 얻어짐)
80: 솔더 층
500: 본 발명에 따른 전면 상에 형성된 은 페이스트
501: 본 발명에 따른 은 전면 전극(전면 은 페이스트를 소성함으로써 형성됨)
<도 2a>
도 2a는 2개의 버스바를 형성하도록 기판 상에 후막 전도체 조성물이 인쇄된 예시적인 반도체의 평면도를 제공한다.
<도 2b>
도 2b는 3개의 버스바를 형성하도록 후막 전도체 조성물이 기판 상에 인쇄된 예시적인 반도체의 평면도를 제공한다.
Claims (16)
- (a)
a) 전기 전도성 은 분말;
b) 적어도 하나가 무연인 하나 이상의 유리 프릿;
c) (a) Mg, (b) Mg의 금속 산화물, (c) 소성시 Mg의 금속 산화물을 생성할 수 있는 임의의 화합물, 및 (d) 그 혼합물로부터 선택된 Mg-함유 첨가제를,
d) 유기 매질 중에 분산된 상태로 포함하는 후막(thick film) 조성물과;
(b) 하나 이상의 기판을 포함하며;
소성시, 유기 매질은 제거되고 유리 프릿 및 은 분말은 소결되는 구조체. - 제1항에 있어서, Mg-함유 첨가제는 MgO인 구조체.
- 제2항에 있어서, Mg-함유 첨가제는 총 조성물의 0.1 중량% 내지 10 중량%인 구조체.
- 제1항에 있어서, 구조체는 반도체 소자인 구조체.
- 제4항에 있어서, 반도체 소자는 하나 이상의 절연막을 추가로 포함하는 구조체.
- 제5항에 있어서, 소성시, 하나 이상의 절연막에 후막 조성물의 성분들이 침투하는 구조체.
- 제4항에 있어서, 반도체 소자는 태양 전지인 구조체.
- 제1항에 있어서, 후막 조성물은 (a) Zn, Gd, Ce, Zr, Ti, Mn, Sn, Ru, Co, Fe, Cu 및 Cr로부터 선택된 금속; (b) Zn, Gd, Ce, Zr, Ti, Mn, Sn, Ru, Co, Fe, Cu 및 Cr로부터 선택된 하나 이상의 금속의 금속 산화물; (c) 소성시 (b)의 금속 산화물을 생성할 수 있는 임의의 화합물; 및 (d) 그 혼합물로 이루어진 군으로부터 선택되는 부가적인 첨가제를 추가로 포함하는 구조체.
- 제1항에 있어서, 유리 프릿은 Bi2O3, B2O3을 유리 프릿의 8 중량% 내지 25 중량%로 포함하며, SiO2, P2O5, GeO2, 및 V2O5로 이루어진 군으로부터 선택된 하나 이상의 성분을 추가로 포함하는 구조체.
- 제5항에 있어서, 절연막은 산화티타늄, 질화규소, SiNx:H, 산화규소, 및 산화규소/산화티타늄으로부터 선택된 하나 이상의 성분을 포함하는 구조체.
- (a) 하나 이상의 반도체 기판, 하나 이상의 절연막, 및 후막 조성물 - 여기서, 후막 조성물은 a) 전기 전도성 은, b) 적어도 하나가 무연인 하나 이상의 유리 프릿, c) Mg-함유 첨가제를 d) 유기 매질 중에 분산된 상태로 포함함 - 을 제공하는 단계,
(b) 반도체 기판 상에 절연막을 적용하는 단계,
(c) 반도체 기판 상의 절연 막 상에 후막 조성물을 적용하는 단계, 및
(d) 반도체, 절연막 및 후막 조성물을 소성하는 단계를 포함하며,
소성시, 유기 비히클은 제거되고 은 및 유리 프릿은 소결되는, 반도체 소자의 제조 방법. - a) 전기 전도성 은;
b) 적어도 하나가 무연인 하나 이상의 유리 프릿;
c) (a) Mg, (b) Mg의 금속 산화물, (c) 소성시 Mg의 금속 산화물을 생성할 수 있는 임의의 화합물, 및 (d) 그 혼합물로부터 선택된 Mg-함유 첨가제를,
d) 유기 매질 중에 분산된 상태로 포함하는 후막 조성물. - 제12항에 있어서, Mg-함유 첨가제는 MgO인 조성물.
- 제13항에 있어서, Mg-함유 첨가제는 총 조성물의 0.1 중량% 내지 10 중량%인 조성물.
- 제12항에 있어서, (a) Zn, Gd, Ce, Zr, Ti, Mn, Sn, Ru, Co, Fe, Cu 및 Cr로부터 선택된 금속; (b) Zn, Gd, Ce, Zr, Ti, Mn, Sn, Ru, Co, Fe, Cu 및 Cr로부터 선택된 하나 이상의 금속의 금속 산화물; (c) 소성시 (b)의 금속 산화물을 생성할 수 있는 임의의 화합물; 및 (d) 그 혼합물로 이루어진 군으로부터 선택되는 부가적인 첨가제를 추가로 포함하는 조성물.
- 제12항에 있어서, 유리 프릿은 Bi2O3, B2O3을 유리 프릿의 8 중량% 내지 25 중량%로 포함하며, SiO2, P2O5, GeO2, 및 V2O5로 이루어진 군으로부터 선택된 하나 이상의 성분을 추가로 포함하는 조성물.
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- 2008-10-16 KR KR1020107010784A patent/KR20100080612A/ko active IP Right Grant
- 2008-10-16 EP EP08840658A patent/EP2193527A1/en not_active Withdrawn
- 2008-10-16 CN CN200880110509A patent/CN101816045A/zh active Pending
- 2008-10-16 WO PCT/US2008/080140 patent/WO2009052271A1/en active Application Filing
- 2008-10-16 JP JP2010530108A patent/JP2011502330A/ja not_active Withdrawn
- 2008-10-20 TW TW97140249A patent/TW200931448A/zh unknown
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KR20140033004A (ko) * | 2011-02-22 | 2014-03-17 | 가디언 인더스트리즈 코퍼레이션. | 바나듐-기초 프릿 물질 및 이를 제조하는 방법 |
US10196299B2 (en) | 2011-02-22 | 2019-02-05 | Guardian Glass, LLC | Vanadium-based frit materials, and/or methods of making the same |
US10858880B2 (en) | 2011-02-22 | 2020-12-08 | Guardian Glass, LLC | Vanadium-based frit materials, binders, and/or solvents and/or methods of making the same |
US11014847B2 (en) | 2011-02-22 | 2021-05-25 | Guardian Glass, LLC | Vanadium-based frit materials, and/or methods of making the same |
Also Published As
Publication number | Publication date |
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CN101816045A (zh) | 2010-08-25 |
US7780878B2 (en) | 2010-08-24 |
EP2193527A1 (en) | 2010-06-09 |
JP2011502330A (ja) | 2011-01-20 |
WO2009052271A1 (en) | 2009-04-23 |
US20090101872A1 (en) | 2009-04-23 |
TW200931448A (en) | 2009-07-16 |
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