JP2008533750A - 多層の不動態皮膜及び、その不動態皮膜を組み込まれた装置の形成方法 - Google Patents
多層の不動態皮膜及び、その不動態皮膜を組み込まれた装置の形成方法 Download PDFInfo
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- JP2008533750A JP2008533750A JP2008502988A JP2008502988A JP2008533750A JP 2008533750 A JP2008533750 A JP 2008533750A JP 2008502988 A JP2008502988 A JP 2008502988A JP 2008502988 A JP2008502988 A JP 2008502988A JP 2008533750 A JP2008533750 A JP 2008533750A
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Abstract
【選択図】 図2
Description
アメリカ合衆国は、国防総省国防高等研究事業局(DARPA)契約番号MDA972-03-3-0004の下ここに開示される特定の発明に関する権利を有する。
Claims (10)
- 半導体装置(100)の表面上に多層の不動態皮膜(120)を形成する方法(500)であって、
堆積反応装置(202)内に半導体装置(100)を配置し(502)、
前記反応装置(202)内に窒素源(206)を導入し(504)、
前記反応装置(202)内に炭素源(208)を導入し(508)、
前記半導体装置(100)の表面上に炭素窒素(CN)の層を堆積し(512)、
前記炭素源(208)の後に付加的な源を前記反応装置(202)内に導入し(514)、
前記炭素窒素の層(402)上に環境面で強い被覆層(406)を堆積する(516)ことからなる方法。 - 前記付加的な源がシリコン源(210)であり、前記被覆層(406)がシリコン炭素窒素(SCN)である請求項1記載の方法。
- 前記シリコン源(210)が、前記炭素源(208)が所定の時間だけ堆積された後に導入される請求項2記載の方法。
- 前記所定の時間がおおよそ15秒から3分の間である請求項3記載の方法。
- 前記窒素の源(206)が、窒素ガス及びアンモニアから選択され、前記炭素の源(208)が、メタン、エタン、ブタン、プロパン、キャリアガスとして窒素(N2)を用いる通気ビン内で使用される液体炭化水素源から選択され、前記シリコンの源(210)が、シラン及びテトラエチルオルソシリケート(TEOS)から選択される請求項3記載の方法。
- 前記炭素の源(208)が、前記化学気相蒸着反応装置(202)のチャンバの壁部からの汚染物及び前記半導体装置の表面(228)の汚染物から選択される請求項3記載の方法。
- 前記窒素源(206)及び前記炭素源(208)が、反応種を形成し、前記シリコン(210)が導入される前に、前記半導体装置の表面上に炭素窒素の界面層(402)を形成する請求項3記載の方法。
- 前記窒素源(206)、前記炭素源(208)、前記シリコン源(210)が、反応種を形成し、前記半導体装置の表面にシリコン炭素窒素の被覆層(404)を形成する請求項7記載の方法。
- 前記窒素源(206)が、約2000立方センチメートル毎秒(sccm)の流量で導入され、前記炭素源(208)が約210 sccmの流量で導入され、前記シリコン源(210)が約105 sccmの流量で導入される請求項8記載の方法。
- 基板(102)と、
p型半導体材料(104)と、
真性半導体材料(106)と、
n型半導体材料と(108)と、
前記p型半導体材料(104)及び前記n型半導体材料(108)と電気的に接触する金属接点(112、114)と、
前記真性半導体材料(106)上の多層の不動態皮膜(120)とからなり、この多層の不動態皮膜(120)がシリコン、炭素、窒素を含む半導体装置。
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US11/085,299 US7361930B2 (en) | 2005-03-21 | 2005-03-21 | Method for forming a multiple layer passivation film and a device incorporating the same |
PCT/US2006/005899 WO2007040587A2 (en) | 2005-03-21 | 2006-02-17 | Method for forming a multiple layer passivation film and a deice |
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