JP2006517054A - 銅裏面金属構造を備えるGaAs薄型ダイ - Google Patents
銅裏面金属構造を備えるGaAs薄型ダイ Download PDFInfo
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- JP2006517054A JP2006517054A JP2004557131A JP2004557131A JP2006517054A JP 2006517054 A JP2006517054 A JP 2006517054A JP 2004557131 A JP2004557131 A JP 2004557131A JP 2004557131 A JP2004557131 A JP 2004557131A JP 2006517054 A JP2006517054 A JP 2006517054A
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- 229910001218 Gallium arsenide Inorganic materials 0.000 title claims abstract description 56
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 39
- 239000002184 metal Substances 0.000 title claims abstract description 39
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 38
- 239000010949 copper Substances 0.000 title claims abstract description 38
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 239000004065 semiconductor Substances 0.000 claims abstract description 37
- 229910000679 solder Inorganic materials 0.000 claims abstract description 27
- 238000009792 diffusion process Methods 0.000 claims description 12
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 18
- 238000004806 packaging method and process Methods 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 3
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 46
- 238000007254 oxidation reaction Methods 0.000 description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 11
- 229910052737 gold Inorganic materials 0.000 description 11
- 239000010931 gold Substances 0.000 description 11
- 230000003647 oxidation Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 238000012858 packaging process Methods 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000002180 anti-stress Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004544 sputter deposition 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
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
Description
で使用する「約」は通常、プロセス限界を表す。例えば、半導体基板を研磨する特定のプロセスを従来の方法により所望のプロセスパラメータの10%以内の精度で実施する場合、約1ミル(約25ミクロン)の公称厚さを有する基板は、0.9ミル(約22ミクロン)から1.1ミル(約28ミクロン)の実際の厚さを有することになる。
を補強するために約11〜15ミクロンの厚さを有する銅裏面金属層340を含むことができる。
し、耐酸化層540の材料(例えば金)は軟質はんだ層590の内部、及び軟質はんだ層590と銅裏面金属層530との境界に存在する。一旦、半導体ダイをフラッグ560に接合すると、フラッグ560は半導体ダイの極めて良好なヒートシンクとなる。
Claims (3)
- 50ミクロン未満の厚さを有するGaAs基板であって、能動表面及び裏面を有するGaAs基板と、
前記裏面上に重なる拡散バリア層と、
銅を含み、かつ前記拡散バリア上に重なる裏面金属層と、
GaAs基板を封止するプラスチック製のダイパッケージとを含む半導体装置。 - 約50ミクロン未満の厚さを有するGaAsダイを、軟質はんだを含むダイ接合面を有するリードフレームの上に載置する工程と、
軟質はんだを加熱して、前記ダイをリードフレームに接合する工程とを含む、方法。 - 約15ミクロン〜50ミクロンの範囲の厚さを有するGaAs基板と、
前記GaAs基板上に重なる拡散バリア層と、
銅を含み、かつ前記拡散バリア上に重なり、約11ミクロン〜15ミクロンの範囲の公称厚さを有する銅含有裏面金属層とを含む半導体装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/306,834 US6870243B2 (en) | 2002-11-27 | 2002-11-27 | Thin GaAs die with copper back-metal structure |
PCT/US2003/030861 WO2004051733A1 (en) | 2002-11-27 | 2003-09-30 | Thin gaas die with copper back-metal structure |
Publications (2)
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JP2006517054A true JP2006517054A (ja) | 2006-07-13 |
JP2006517054A5 JP2006517054A5 (ja) | 2006-11-24 |
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JP2004557131A Pending JP2006517054A (ja) | 2002-11-27 | 2003-09-30 | 銅裏面金属構造を備えるGaAs薄型ダイ |
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US (2) | US6870243B2 (ja) |
JP (1) | JP2006517054A (ja) |
KR (1) | KR20050085143A (ja) |
CN (1) | CN1720610B (ja) |
AU (1) | AU2003277129A1 (ja) |
TW (1) | TWI339425B (ja) |
WO (1) | WO2004051733A1 (ja) |
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US20050127480A1 (en) | 2005-06-16 |
US20040099932A1 (en) | 2004-05-27 |
TW200416970A (en) | 2004-09-01 |
CN1720610A (zh) | 2006-01-11 |
US6870243B2 (en) | 2005-03-22 |
AU2003277129A1 (en) | 2004-06-23 |
KR20050085143A (ko) | 2005-08-29 |
TWI339425B (en) | 2011-03-21 |
US7092890B2 (en) | 2006-08-15 |
CN1720610B (zh) | 2010-10-13 |
WO2004051733A1 (en) | 2004-06-17 |
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