KR100475691B1 - 반도체 웨이퍼의 양쪽면 연마방법 및 그 방법을 실시하는 캐리어 - Google Patents
반도체 웨이퍼의 양쪽면 연마방법 및 그 방법을 실시하는 캐리어 Download PDFInfo
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- KR100475691B1 KR100475691B1 KR10-2001-0025418A KR20010025418A KR100475691B1 KR 100475691 B1 KR100475691 B1 KR 100475691B1 KR 20010025418 A KR20010025418 A KR 20010025418A KR 100475691 B1 KR100475691 B1 KR 100475691B1
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- polishing
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Classifications
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- 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
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- 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
-
- 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
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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)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
Description
Claims (14)
- 서로 반대방향으로 회전하며 연마천으로 커버시킨 2개의 연마플레이트 사이에서 반도체 웨이퍼의 양쪽면을 연마하는 방법으로서,최소 2㎛의 반도체물질이 제거되도록 하며,강제(steel)로 되어 있고 그 평균 두께가 완전히 연마된 반도체 웨이퍼의 평균 두께보다 2 내지 20㎛ 작은 다수의 평면 캐리어들로 이루어진 캐리어 세트 내 플라스틱 라이닝된 컷아우트 내에 상기 반도체 웨이퍼를 배치하여 반도체 웨이퍼의 양쪽면을 연마하며,상기 캐리어 세트는 두께차가 최대 5㎛인 캐리어들 만으로 구성되고,상기 캐리어 세트에 속하는 각각의 캐리어는 이를 캐리어 세트로 지정시키는 최소 하나의 명확한 식별특징을 가지며;상기 식별특징에 포함되어 있는 정보사항을 사용하여 플라스틱 라이닝을 소정의 간격으로 교환하고 상기 반도체 웨이퍼가 연마 후에도 연마 전과 동일한 순서로 있도록 함을 특징으로 하는 반도체 웨이퍼의 양쪽면 연마방법.
- 제 1항에 있어서,상기 캐리어 세트는 두께차가 최대 3㎛이고, 그 평균 두께가 완전히 연마된 반도체 웨이퍼의 평균 두께보다 3~10㎛ 더 작은 캐리어들만으로 구성되고, 반도체 재료의 제거량이 5~50㎛임을 특징으로 하는 반도체 웨이퍼의 양쪽면 연마방법.
- 제 1항에 있어서,최소 3개의 반도체 웨이퍼가 동시에 연마되며,최소 3개의 캐리어가 동시에 사용됨을 특징으로 하는 반도체 웨이퍼의 양쪽면 연마방법.
- 제 1항에 있어서,상기 컷아우트(cutouts)는 압출 프로세스(extrusion process)에 의해 플라스틱으로 라이닝(lining)되고, 50~500시간 동안 양쪽면 연마에 사용된 후 교환됨을 특징으로 하는 반도체 웨이퍼의 양쪽면 연마방법.
- 제 1항에 있어서,상기 캐리어(carriers)는, 양쪽면 연마에 처음으로 사용하기 전에, 래핑(lapping)작업, 연삭(grinding)작업, 래핑·연삭병합작업으로 이루어진 군에서 선택한 작업에 의해 평면화(planarization)되고, 수성욕(aqueous bath) 내에서 초음파작용에 의해 세정됨을 특징으로 하는 반도체 웨이퍼의 양쪽면 연마방법.
- 제 1항에 있어서,반도체 웨이퍼의 양쪽면 연마중에, 폴리우레탄으로 구성되고 쇼어(shore) A 경도 40~120을 가진 상하부연마천을 사용하며, SiO2 고형분 함량 1~5wt%와 pH 9~12를 가진 연마 마모제를 연속적으로 공급함을 특징으로 하는 반도체 웨이퍼의 양쪽면 연마방법.
- 제 1항에 있어서,상기 반도체 웨이퍼는 반도체결정을 톱질하여 절단한 다음, 에지의 라운딩(rounding), 그라이딩(grinding), 래핑, 습식화학적에칭(wet chemical etching)및 이들의 조합에서 선택한 처리 단계에 의해 제조함을 특징으로 하는 반도체 웨이퍼의 양쪽면 연마방법.
- 반도체 웨이퍼의 양쪽면상에서 양쪽면 연마에 사용되는 강제 캐리어(carrier made from steel)에 있어서,반도체 웨이퍼를 수용하는 최소 하나의 플라스틱 라이닝을 한 컷아우트(cutout)를 포함하며,캐리어를 확실하게 특징화하고 강(steel)의 국부제거에 의해 발생하는 최소 하나의 식별특징을 가짐을 특징으로 하는 캐리어.
- 제 8항에 있어서,상기 캐리어가 그 식별특징에 따라 반도체 웨이퍼 양쪽면 연마에 동시 사용되는 캐리어들로 이루어지는 캐리어 세트(a set of carriers)로 지정됨을 특징으로 하는 캐리어.
- 제 8항에 있어서,상기 식별특징은 컷아우트를 특징화하는 정보사항을 포함함을 특징으로 하는 캐리어.
- 제 9항에 있어서,상기 식별특징은 전기화학적 에칭에 의해 발생하는 것을 특징으로 하는 캐리어.
- 제 9항에 있어서,상기 컷아우트를 라이닝하는 플라스틱은 폴리아미드(polyamides), 폴리에틸렌(PE), 폴리프로필렌(PP), 폴리비닐클로라이드(PVC), 및 폴리비닐리덴디플루오라이드(PVDF)로 이루어진 군에서 선택되는 재료로 이루어짐을 특징으로 하는 캐리어.
- 제 9항에 있어서,연마 마모제의 분배를 향상시키는 부가적인 컷아우트를 추가로 구비함을 특징으로 하는 캐리어.
- 제 1항의 방법에 의해 제조되는, 부품영역(component area) 25mm ×25mm을 기준으로 한 국부평면성(local planarity) SFQRmax이 0.13㎛ 또는 그 이하인 실리콘으로부터 제조되는 반도체 웨이퍼.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10023002.4 | 2000-05-11 | ||
DE10023002A DE10023002B4 (de) | 2000-05-11 | 2000-05-11 | Satz von Läuferscheiben sowie dessen Verwendung |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010104243A KR20010104243A (ko) | 2001-11-24 |
KR100475691B1 true KR100475691B1 (ko) | 2005-03-10 |
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KR10-2001-0025418A KR100475691B1 (ko) | 2000-05-11 | 2001-05-10 | 반도체 웨이퍼의 양쪽면 연마방법 및 그 방법을 실시하는 캐리어 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6514424B2 (ko) |
JP (1) | JP3984434B2 (ko) |
KR (1) | KR100475691B1 (ko) |
DE (1) | DE10023002B4 (ko) |
TW (1) | TW495417B (ko) |
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JPH1110530A (ja) * | 1997-06-25 | 1999-01-19 | Shin Etsu Handotai Co Ltd | 両面研磨用キャリア |
DE19905737C2 (de) * | 1999-02-11 | 2000-12-14 | Wacker Siltronic Halbleitermat | Verfahren zur Herstellung einer Halbleiterscheibe mit verbesserter Ebenheit |
-
2000
- 2000-05-11 DE DE10023002A patent/DE10023002B4/de not_active Expired - Lifetime
-
2001
- 2001-04-04 US US09/826,135 patent/US6514424B2/en not_active Expired - Lifetime
- 2001-05-10 TW TW090111200A patent/TW495417B/zh not_active IP Right Cessation
- 2001-05-10 KR KR10-2001-0025418A patent/KR100475691B1/ko active IP Right Grant
- 2001-05-11 JP JP2001142354A patent/JP3984434B2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20050055531A (ko) * | 2003-12-08 | 2005-06-13 | 주식회사 실트론 | 웨이퍼 연마 방법 |
KR100722967B1 (ko) | 2005-12-20 | 2007-05-30 | 주식회사 실트론 | 양면 연마장치 |
Also Published As
Publication number | Publication date |
---|---|
JP2001358095A (ja) | 2001-12-26 |
DE10023002B4 (de) | 2006-10-26 |
DE10023002A1 (de) | 2001-11-29 |
KR20010104243A (ko) | 2001-11-24 |
US20010047978A1 (en) | 2001-12-06 |
US6514424B2 (en) | 2003-02-04 |
TW495417B (en) | 2002-07-21 |
JP3984434B2 (ja) | 2007-10-03 |
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