JP5693553B2 - 薄膜半導体チップ - Google Patents
薄膜半導体チップ Download PDFInfo
- Publication number
- JP5693553B2 JP5693553B2 JP2012279713A JP2012279713A JP5693553B2 JP 5693553 B2 JP5693553 B2 JP 5693553B2 JP 2012279713 A JP2012279713 A JP 2012279713A JP 2012279713 A JP2012279713 A JP 2012279713A JP 5693553 B2 JP5693553 B2 JP 5693553B2
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- Prior art keywords
- thin film
- semiconductor chip
- film semiconductor
- layer
- conductive
- 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.)
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- 239000004065 semiconductor Substances 0.000 title claims description 90
- 239000010409 thin film Substances 0.000 title claims description 89
- 229910052799 carbon Inorganic materials 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 22
- 238000002161 passivation Methods 0.000 claims description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000005670 electromagnetic radiation Effects 0.000 claims description 8
- 239000007769 metal material Substances 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 153
- 239000000463 material Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 30
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 238000000407 epitaxy Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000000151 deposition Methods 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000005304 joining Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052733 gallium Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000012777 electrically insulating material Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000126 substance Substances 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
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003631 wet chemical etching Methods 0.000 description 1
- 238000007704 wet chemistry method Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- H01L2924/11—Device type
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- H01L2924/1203—Rectifying Diode
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Description
実施例1の方法では、図1Aに示されているように、第1のステップで活性層列20が成長基板3上に被着される。これは、有利な実施例では、例えば窒化物‐III/V化合物半導体材料、例えばAlnGamIn1−n−mN[0≦n≦1,0≦m≦1,n+m≦1]から成る複数の層をサファイア基板またはSiC基板上にエピタキシャル成長させることにより行われる。このことはもちろん、In,Al,Gaおよび/またはNのほかの元素が組成に含まれるケースを排除しない。
実施例2の最初の3つのステップは実施例1と同様であり、活性層列20の形成、導電性のコンタクト材料層40の被着、および、これら2つの層からのスタック21のパターニングが行われる。実施例1とは異なり、導電性の補強層7がコンタクト層4上に被着されており、したがってスタック21は少なくとも3つの層を含む。導電性の補強層7は例えば電気化学的に被着された金属材料から成る。
実施例1,2と同様に、ウェハ積層体にスタック21が製造される。スタック21は活性層2,反射性かつ導電性のコンタクト層4,付加的な導電性の補強層7を含む。成長基板3の除去後、スタック21は導電性のシート6上に存在しており、この導電性のシート6は剛性の補助支持体8に接合されている。
図4には、活性層体2,裏面の反射性かつ導電性のコンタクト層4および金属の補強層7から成る薄膜半導体チップが示されている。薄膜半導体チップの側面はここでは全体にわたってパシベーション層5によってカバーされている。
Claims (10)
- 薄膜半導体チップ(1)であって、
前記薄膜半導体チップが、電磁放射の形成に適した活性層体(2)と、該活性層体(2)上の導電性かつ反射性のコンタクト層(4)と、該導電性かつ反射性のコンタクト層(4)上のフレキシブルな導電性シート(6)から成る支持体層とを含み、
前記導電性シート(6)はカーボンシートであり、
前記支持体層と前記導電性かつ反射性のコンタクト層(4)との間に導電性の補強層(7)が配置されている
ことを特徴とする薄膜半導体チップ(1)。 - 前記導電性かつ反射性のコンタクト層(4)は金属材料を含む、請求項1記載の薄膜半導体チップ。
- 前記導電性の補強層(7)は金属材料を含む、請求項1又は2記載の薄膜半導体チップ(1)。
- 前記薄膜半導体チップ(1)の側面に少なくとも部分的にパシベーション層(5)が設けられている、請求項1から3までのいずれか1項記載の薄膜半導体チップ(1)。
- 前記薄膜半導体チップ(1)の側面全体にパシベーション層(5)が設けられている、請求項1から3までのいずれか1項記載の薄膜半導体チップ(1)。
- 前記薄膜半導体チップの全厚さは150μmより小さい、請求項1から5までのいずれか1項記載の薄膜半導体チップ(1)。
- 前記薄膜半導体チップの全厚さは100μmより小さい、請求項1から6までのいずれか1項記載の薄膜半導体チップ(1)。
- 前記カーボンシート(6)の厚さは30μmから80μmまでである、請求項1から7までのいずれか1項記載の薄膜半導体チップ(1)。
- 前記活性層体(2)のための成長基板が除去されている、請求項1から8までのいずれか1項記載の薄膜半導体チップ(1)。
- 前記カーボンシートは前記薄膜半導体チップの最下層である、請求項1から9までのいずれか1項記載の薄膜半導体チップ(1)。
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US59296904P | 2004-07-30 | 2004-07-30 | |
US60/592,969 | 2004-07-30 | ||
DE102004036962.3 | 2004-07-30 | ||
DE102004036962A DE102004036962A1 (de) | 2004-07-30 | 2004-07-30 | Verfahren zur Herstellung von Halbleiterchips in Dünnfilmtechnik und Halbleiterchip in Dünnfilmtechnik |
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EP1774599A2 (de) | 2007-04-18 |
US20060051937A1 (en) | 2006-03-09 |
KR20070043019A (ko) | 2007-04-24 |
JP2008508699A (ja) | 2008-03-21 |
US7649266B2 (en) | 2010-01-19 |
KR101158601B1 (ko) | 2012-06-22 |
JP2013070094A (ja) | 2013-04-18 |
WO2006012838A3 (de) | 2006-04-13 |
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WO2006012838A2 (de) | 2006-02-09 |
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