KR20000062540A - 개량 평탄성을 가진 반도체 웨이퍼 및 그의 제조방법 - Google Patents
개량 평탄성을 가진 반도체 웨이퍼 및 그의 제조방법 Download PDFInfo
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- KR20000062540A KR20000062540A KR1020000006212A KR20000006212A KR20000062540A KR 20000062540 A KR20000062540 A KR 20000062540A KR 1020000006212 A KR1020000006212 A KR 1020000006212A KR 20000006212 A KR20000006212 A KR 20000006212A KR 20000062540 A KR20000062540 A KR 20000062540A
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
- H01L21/02024—Mirror polishing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/08—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for double side lapping
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Weting (AREA)
Abstract
Description
실시예1/비교실시예1 | 캐리어두께(㎛) | Si웨이퍼의개시두께(㎛) | 연마마모(㎛) | 돌출부(㎛) | SFQRmax(㎛) |
C1aC1bC1cE1dE1eE1fE1gE1hE1iE1jE1kE1l | 720720720720720720720720720720720720 | 770770770770770770770780780780780780 | 504948474542404845424035 | 01.01.5358101215182025 | 0.19±0.030.16±0.050.18±0.030.09±0.010.09±0.010.08±0.010.08±0.020.08±0.010.09±0.020.10±0.020.12±0.030.15±0.04 |
비교실시예2 | 캐리어두께(㎛) | Si웨이퍼의개시두께(㎛) | 연마마모(㎛) | 돌출부(㎛) | SFQRmax(㎛) |
비교실시예2a비교실시예2b비교실시예2c비교실시예2d | 600600600600 | 680730770800 | 40404040 | 4090130160 | 0.17±0.050.15±0.030.16±0.040.19±0.05 |
실시예 | 캐리어두께(㎛) | Si웨이퍼의개시두께(㎛) | 연마마모(㎛) | 돌출부(㎛) | SFQRmax(㎛) |
실시예 2실시예 3비교실시예3비교실시예4실시예4 | 770770770770770 | 820820835820795 | 4042404018 | 10825807 | 0.08±0.010.07±0.010.15±0.030.16±0.050.09±0.02 |
Claims (15)
- 반도체 웨이퍼의 전면에서 표면격자의 부분 영역을 기재로한 전면,후면 및 평탄치를 구비한 반도체 웨이퍼에 있어서,0.13㎛이하의 최대극부 평탄치 SFQRmax를 가지며, 또 반도체 웨이퍼의 주변영역에서 중앙영역에서 보다 실제로 차이가 없는 개별 SFQR치를 가진것을 특징으로 하는 반도체 웨이퍼.
- 반도체 웨이퍼의가 캐리어의 절삭부재에 놓이고 특정 형상 통로에 지탱되며캐리어는 소정의 두께를 소유하며, 반도체 웨이퍼가 연마전에는 개시 두께를 연마후에는 최종 두께를 가지게 될때 연마액의 공급하에 반도체 웨이터의 전면 및 후면의 동시 연마에 의해 반도체 웨이퍼를 제조하는 방법에 있어서,반도체 웨이퍼의 개시 두께는 캐리어의 두께보다 20 ~ 200㎛ 크며 반도체 웨이퍼는 그의 최종 두께가 캐리어의 두께보다 2 ~ 20㎛ 이상 될때까지 연마되는 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,반도체 웨이퍼의 개시두께는 캐리어의 두께보다 30 ~ 70㎛ 큰것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,반도체 웨이퍼의 최종두께는 캐리어의 두께보다 5 ~ 15㎛ 큰것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,연마판은 연마포로 덮혀지고 알칼리성 연마액은 연마시 계속적으로 공급되는 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,연마액은 1 ~ 10wt%의 Sio₂고체함유량 및 9 ~12의 pH를 가진 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,반도체 웨이퍼의 두께는 연마를 통하여 15 ~ 65㎛ 까지 감소되는 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,캐리어 두께는 400 ~ 1200㎛인 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,반도체 웨이퍼는 반도체 결정을 톱질하여 제조되며, 연마전에 반도체 웨이퍼의 1개 또는 2개의 면이 연삭되며, 10 ~ 100㎛의 물질이 제거되는 연삭처리를 하게되는것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 9항에 있어서,반도체 웨이퍼의 모서리는 반도체 웨이퍼를 연삭하기 전에 또는 후에 둥글게 되는것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,5 ~ 50㎛의 물질이 웨이퍼의 각 양면에서 제거되는 에칭처리는 반도체 웨이퍼의 연마전에 시행되는 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,0.2 ~ ㎛의 물질이 부드러운 연마포를 사용하여 웨이퍼의 전면에서 제거되는 최종 연마처리는 반도체 웨이퍼가 연마된 후에 시행되는 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,반도체 웨이퍼의 연마후 또는 최종 연마공정 후에 1 ~ 10㎛의 두께를 가진 반도체적 에피택셜코팅이 웨이퍼의 전면에 적용되는 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,또 다른 반도체 웨이퍼가 캐리어의 또다른 연삭부재에 또는 다른 캐리어의 연삭부재에 놓여질때 반도체 웨이퍼와 함께 적어도 1개의 또다른 반도체 웨이퍼가 동일한 방법으로 연마되는 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
- 제 2항에 있어서,실리콘, 실리콘/게르마늄, 실리콘 2산화물, 실리콘 질화물 갈륨비소화물 및 다른 Ⅲ - Ⅴ 반도체 웨이퍼로 구성된 그룹에서 선정된 물질에서 웨이퍼를 제조하는 것을 특징으로 하는 반도체 웨이퍼의 제조방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19905737A DE19905737C2 (de) | 1999-02-11 | 1999-02-11 | Verfahren zur Herstellung einer Halbleiterscheibe mit verbesserter Ebenheit |
DE19905737.0 | 1999-02-11 |
Publications (2)
Publication Number | Publication Date |
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KR20000062540A true KR20000062540A (ko) | 2000-10-25 |
KR100394970B1 KR100394970B1 (ko) | 2003-08-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR10-2000-0006212A KR100394970B1 (ko) | 1999-02-11 | 2000-02-10 | 평면도를 향상시킨 반도체웨이퍼 및 그 제조방법 |
Country Status (5)
Country | Link |
---|---|
US (2) | US6458688B1 (ko) |
JP (1) | JP3400765B2 (ko) |
KR (1) | KR100394970B1 (ko) |
DE (1) | DE19905737C2 (ko) |
TW (1) | TW567547B (ko) |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19938340C1 (de) * | 1999-08-13 | 2001-02-15 | Wacker Siltronic Halbleitermat | Verfahren zur Herstellung einer epitaxierten Halbleiterscheibe |
DE19956250C1 (de) * | 1999-11-23 | 2001-05-17 | Wacker Siltronic Halbleitermat | Kostengünstiges Verfahren zur Herstellung einer Vielzahl von Halbleiterscheiben |
DE19958077A1 (de) * | 1999-12-02 | 2001-06-13 | Wacker Siltronic Halbleitermat | Verfahren zur beidseitigen Politur von Halbleiterscheiben |
DE19960823B4 (de) | 1999-12-16 | 2007-04-12 | Siltronic Ag | Verfahren zur Herstellung einer epitaxierten Halbleiterscheibe und deren Verwendung |
DE10004578C1 (de) * | 2000-02-03 | 2001-07-26 | Wacker Siltronic Halbleitermat | Verfahren zur Herstellung einer Halbleiterscheibe mit polierter Kante |
DE10012840C2 (de) * | 2000-03-16 | 2001-08-02 | Wacker Siltronic Halbleitermat | Verfahren zur Herstellung einer Vielzahl von polierten Halbleiterscheiben |
DE10027103A1 (de) * | 2000-04-13 | 2001-10-25 | Wacker Siltronic Halbleitermat | Verfahren zur Überführung einer Rücklaufscheibe in eine Halbleiterscheibe |
DE10023002B4 (de) * | 2000-05-11 | 2006-10-26 | Siltronic Ag | Satz von Läuferscheiben sowie dessen Verwendung |
DE10025871A1 (de) | 2000-05-25 | 2001-12-06 | Wacker Siltronic Halbleitermat | Epitaxierte Halbleiterscheibe und Verfahren zu ihrer Herstellung |
US6709981B2 (en) | 2000-08-16 | 2004-03-23 | Memc Electronic Materials, Inc. | Method and apparatus for processing a semiconductor wafer using novel final polishing method |
DE10046933C2 (de) * | 2000-09-21 | 2002-08-29 | Wacker Siltronic Halbleitermat | Verfahren zur Politur von Siliciumscheiben |
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1999
- 1999-02-11 DE DE19905737A patent/DE19905737C2/de not_active Expired - Lifetime
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2000
- 2000-01-27 US US09/491,649 patent/US6458688B1/en not_active Expired - Lifetime
- 2000-02-09 TW TW089102086A patent/TW567547B/zh not_active IP Right Cessation
- 2000-02-10 KR KR10-2000-0006212A patent/KR100394970B1/ko active IP Right Grant
- 2000-02-14 JP JP2000035976A patent/JP3400765B2/ja not_active Expired - Lifetime
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US20030045089A1 (en) | 2003-03-06 |
DE19905737A1 (de) | 2000-08-31 |
KR100394970B1 (ko) | 2003-08-19 |
US6583050B2 (en) | 2003-06-24 |
TW567547B (en) | 2003-12-21 |
JP3400765B2 (ja) | 2003-04-28 |
DE19905737C2 (de) | 2000-12-14 |
US6458688B1 (en) | 2002-10-01 |
JP2000235941A (ja) | 2000-08-29 |
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