KR20010061924A - 질소도핑 반도체웨이퍼의 제조방법 - Google Patents
질소도핑 반도체웨이퍼의 제조방법 Download PDFInfo
- Publication number
- KR20010061924A KR20010061924A KR1020000051533A KR20000051533A KR20010061924A KR 20010061924 A KR20010061924 A KR 20010061924A KR 1020000051533 A KR1020000051533 A KR 1020000051533A KR 20000051533 A KR20000051533 A KR 20000051533A KR 20010061924 A KR20010061924 A KR 20010061924A
- Authority
- KR
- South Korea
- Prior art keywords
- nitrogen
- single crystal
- semiconductor wafer
- dopant gas
- semiconductor material
- 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)
- NH3를 함유한 도핑제가스에서 유도된 질소를 가지며, 도핑제가스가 반도체물질에 공급될때 반도체물질의 용융지(molten pool)에서 단결정을 견인하는 스텝 및 견인 단결정에서 질소도핑 반도체웨이퍼를 절삭하는 스텝을 구비하고있는 질소도핑 반도체웨이퍼를 제조하는 방법에 있어서,도핑제가스는 반도체웨이퍼가 절삭되는 단결정 부분의 견인이 개시될때까지 반도체물질에 공급되는것을 특징으로하는 질소도핑 반도체웨이퍼의 제조방법.
- 제 1항에 있어서,도핑제가스는 견인쳄버를 통과하며, 견인쳄버를 통과하는 도핑제가스의 흐름속도 및 도핑제가스내의 NH3의 농도는 반도체웨이퍼를 도핑한 질소의 농도가 많아도 5*1015at/㎤ 로 될 수 있도록 설정되는것을 특징으로하는 질소도핑 반도체웨이퍼의 제조방법.
- 제 1항에 있어서,CZ 방법을 사용하여 중량 30∼120㎏ 의 단결정을 견인하기위해 반도체물질에공급되는 NH3의 양은 0.01∼20ℓ(s.t.p)인것을 특징으로하는 질소도핑 반도체웨이퍼의 제조방법.
- 제 1항에 있어서,단결정은 CZ 방법을 사용하여 견인되며, 반도체물질에로의 도핑제가스의 공급은 빨라도 도가니에 함유된 반도체물질이 용융할때 개시되는것을 특징으로하는 질소도핑 반도체웨이퍼의 제조방법.
- 제 1항에 있어서,단결정은 축방향으로 향한 자기장에서 CZ 방법을 사용하여 견인되는것을 특징으로하는 질소도핑 반도체웨이퍼의 제조방법.
- 제 1항 또는 제 2항에서,단결정은 FZ 방법을 사용하여 견인되며, 반도체물질에로의 도핑제가스의 공급은 빨라도 세경(thin neck)의 견인이 시작된후에 개시되며, 또 도핑제가스의 공급은 늦어도 단결정의 원통형면의 견인을 개시하기전에 완료되는것을 특징으로하는질소도핑 반도체웨이퍼의 제조방법.
- 제 1항에 있어서,NH3및 아르곤가스를 함유한 가스혼합물은 도핑제가스로써 견인쳄버를 통과하는것을 특징으로하는 질소도핑 반도체웨이퍼의 제조방법.
- 제 1항에 있어서,도핑제가스는 냉각상태에서 반도체물질에 공급되는것을 특징으로하는 질소도핑 반도체웨이퍼의 제조방법.
- 제 1항에 있어서,도핑제가스는 반도체물질의 열린 용융 표면위를 근접하여 통과되는것을 특징으로하는 질소도핑 반도체웨이퍼의 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 true KR20010061924A (ko) | 2001-07-07 |
KR100394971B1 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 US US09/652,443 patent/US6350314B1/en not_active Expired - Lifetime
- 2000-08-31 TW TW89117797A patent/TW573083B/zh not_active IP Right Cessation
- 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 |
EP1081254B1 (de) | 2001-11-21 |
JP2001106590A (ja) | 2001-04-17 |
DE19941902A1 (de) | 2001-03-15 |
DE50000043D1 (de) | 2002-01-10 |
JP3547004B2 (ja) | 2004-07-28 |
US6350314B1 (en) | 2002-02-26 |
KR100394971B1 (ko) | 2003-08-19 |
TW573083B (en) | 2004-01-21 |
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