KR100394971B1 - 질소도핑을 한 반도체웨이퍼의 제조방법 - Google Patents
질소도핑을 한 반도체웨이퍼의 제조방법 Download PDFInfo
- Publication number
- KR100394971B1 KR100394971B1 KR10-2000-0051533A KR20000051533A KR100394971B1 KR 100394971 B1 KR100394971 B1 KR 100394971B1 KR 20000051533 A KR20000051533 A KR 20000051533A KR 100394971 B1 KR100394971 B1 KR 100394971B1
- Authority
- KR
- South Korea
- Prior art keywords
- dopant gas
- melt
- semiconductor material
- single crystal
- nitrogen
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/06—Silicon
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B13/00—Single-crystal growth by zone-melting; Refining by zone-melting
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B15/00—Single-crystal growth by pulling from a melt, e.g. Czochralski method
- C30B15/02—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt
- C30B15/04—Single-crystal growth by pulling from a melt, e.g. Czochralski method adding crystallising materials or reactants forming it in situ to the melt adding doping materials, e.g. for n-p-junction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/916—Oxygen testing
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
Claims (9)
- 질소도핑을 한 반도체웨이퍼의 제조방법에 있어서,용융반도체 재료의 용융물로 부터 단결정을 인발하며, NH3함유 도펀트가스를 용융반도체재료의 용융물에 공급시켜 그 NH3함유 도펀트가스로 부터 질소를 유도시키며;반도체웨이퍼를 커팅(cutting)하는 단결정부분에 대하여 인발이 개시될때까지 NH3함유 도펀트가스를 용융반도체재료의 용융물에 공급하고;인발한 단결정에서 질소도핑한 반도체웨이퍼(nitrogen-doped jeniconductor wafers)를 커팅(cutting)하는 스텝(step)으로 이루어짐을 특징으로 하는 제조방법.
- 제1항에 있어서,인발체임버(pulling chamber)를 통하여 NH3함유 도펀트가스를 관통시키고, 반도체웨이퍼를 도핑하는 질소의 농도가 최대 5 * 1016atoms/㎤ 로 되도록 인발체임버를 통과하는 NH3함유 도펀트가스의 흐름속도와 그 도펀트가스중에서의 NH3의 농도를 설정함을 특징으로 하는 제조방법.
- 제1항에 있어서,CZ방법을 사용하여 중량 30㎏~120㎏의 단결정을 인발하기 위한 용융반도체재료의 용융물에 공급하는 NH3의 양은 0.01~20ℓ(s.t.p)임을 특징으로 하는 제조방법.
- 제1항에 있어서,단결정을 CZ방법을 사용하여 인발하고;도가니내 용융반도체재료의 용융물이 용융될때 가장 빨리 용융반도체재료의 용융물에 NH3함유 도펀트가스의 공급을 개시함을 특징으로 하는 제조방법.
- 제1항에 있어서,CZ방법을 사용하여 단결정을 축방향으로 배향한 자계(magnetic field)내에서 인발함을 특징으로 하는 제조방법.
- 제1항에 있어서,FZ방법을 사용하여 단결정을 인발하고;두께가 엷은 넥(neck)의 인발이 개시될때 가장 신속하게 용융반도체재료의 용융물에 NH3함유 도펀트가스의 공급을 개시하며; 단결정의 원통형상섹션의 인발이 개시되기전에 NH3함유 도펀트가스의 공급을 가장 늦게 완료함을 특징으로 하는 제조방법.
- 제1항에 있어서,NH3함유 도펀트가스로서, NH3와 아르곤을 함유한 가스혼합물을 인발체임버로 통과시킴을 특징으로 하는 제조방법.
- 제1항에 있어서,NH3함유 도펀트가스를 냉각시키고;그 도펀트가스를 냉각상태에서 용융반도체재료의 용융물에 공급함을 특징으로 하는 제조방법.
- 제1항에 있어서,NH3함유 도펀트가스를 용융반도체재료의 용융물의 개방용융면(open, molten surface)상에서 가까이 통과시킴을 특징으로 하는 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19941902A DE19941902A1 (de) | 1999-09-02 | 1999-09-02 | Verfahren zur Herstellung von mit Stickstoff dotierten Halbleiterscheiben |
DE19941902.7 | 1999-09-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010061924A KR20010061924A (ko) | 2001-07-07 |
KR100394971B1 true KR100394971B1 (ko) | 2003-08-19 |
Family
ID=7920590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2000-0051533A KR100394971B1 (ko) | 1999-09-02 | 2000-09-01 | 질소도핑을 한 반도체웨이퍼의 제조방법 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6350314B1 (ko) |
EP (1) | EP1081254B1 (ko) |
JP (1) | JP3547004B2 (ko) |
KR (1) | KR100394971B1 (ko) |
DE (2) | DE19941902A1 (ko) |
TW (1) | TW573083B (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10205084B4 (de) | 2002-02-07 | 2008-10-16 | Siltronic Ag | Verfahren zur thermischen Behandlung einer Siliciumscheibe sowie dadurch hergestellte Siliciumscheibe |
DE10336271B4 (de) | 2003-08-07 | 2008-02-07 | Siltronic Ag | Siliciumscheibe und Verfahren zu deren Herstellung |
DE102005013831B4 (de) | 2005-03-24 | 2008-10-16 | Siltronic Ag | Siliciumscheibe und Verfahren zur thermischen Behandlung einer Siliciumscheibe |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4591409A (en) * | 1984-05-03 | 1986-05-27 | Texas Instruments Incorporated | Control of nitrogen and/or oxygen in silicon via nitride oxide pressure during crystal growth |
JPS63239200A (ja) * | 1987-03-27 | 1988-10-05 | Shin Etsu Handotai Co Ltd | シリコンウエ−ハ強化方法 |
DE19637182A1 (de) | 1996-09-12 | 1998-03-19 | Wacker Siltronic Halbleitermat | Verfahren zur Herstellung von Halbleiterscheiben aus Silicium mit geringer Defektdichte |
TW589415B (en) * | 1998-03-09 | 2004-06-01 | Shinetsu Handotai Kk | Method for producing silicon single crystal wafer and silicon single crystal wafer |
-
1999
- 1999-09-02 DE DE19941902A patent/DE19941902A1/de not_active Withdrawn
-
2000
- 2000-08-17 DE DE50000043T patent/DE50000043D1/de not_active Expired - Lifetime
- 2000-08-17 EP EP00117291A patent/EP1081254B1/de not_active Expired - Lifetime
- 2000-08-30 JP JP2000261546A patent/JP3547004B2/ja not_active Expired - Lifetime
- 2000-08-31 TW TW89117797A patent/TW573083B/zh not_active IP Right Cessation
- 2000-08-31 US US09/652,443 patent/US6350314B1/en not_active Expired - Lifetime
- 2000-09-01 KR KR10-2000-0051533A patent/KR100394971B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP1081254A1 (de) | 2001-03-07 |
KR20010061924A (ko) | 2001-07-07 |
DE50000043D1 (de) | 2002-01-10 |
EP1081254B1 (de) | 2001-11-21 |
DE19941902A1 (de) | 2001-03-15 |
JP3547004B2 (ja) | 2004-07-28 |
US6350314B1 (en) | 2002-02-26 |
TW573083B (en) | 2004-01-21 |
JP2001106590A (ja) | 2001-04-17 |
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