KR970012991A - s. Five. SOI wafer manufacturing method - Google Patents

s. Five. SOI wafer manufacturing method Download PDF

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Publication number
KR970012991A
KR970012991A KR1019950025649A KR19950025649A KR970012991A KR 970012991 A KR970012991 A KR 970012991A KR 1019950025649 A KR1019950025649 A KR 1019950025649A KR 19950025649 A KR19950025649 A KR 19950025649A KR 970012991 A KR970012991 A KR 970012991A
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KR
South Korea
Prior art keywords
wafer
soi
silicon
manufacturing
oxide film
Prior art date
Application number
KR1019950025649A
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Korean (ko)
Inventor
최기식
Original Assignee
김주용
현대전자산업주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 김주용, 현대전자산업주식회사 filed Critical 김주용
Priority to KR1019950025649A priority Critical patent/KR970012991A/en
Priority to TW085109796A priority patent/TW323388B/zh
Priority to US08/696,163 priority patent/US5899712A/en
Publication of KR970012991A publication Critical patent/KR970012991A/en

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Abstract

본 발명은 에스. 오. 아이(Silicon On Insulator) 웨이퍼 제조방법애 관한 것으로 특히, 상부면에 산화막이 형성된 다수개의 웨이퍼를 한방향으로 나란히 접착시킨 후, 열처리하여 새로운 인고트를 만든 다음, 이들을 잘라내어 웨이퍼를 제작함으로써 SOI 웨이퍼 제작의 양산성을 확보하여 대량생산을 가능하게 하고 실리콘 웨이퍼의 재료의 손실을 방지하여 원가절감효과를 얻을 수 있다.The present invention is S. Five. In particular, the method of manufacturing a silicon on insulator wafer is particularly important. Mass production can be secured to enable mass production and cost reduction can be achieved by preventing the loss of silicon wafer materials.

Description

에스. 오. 아이(SOI) 웨이퍼 제조방법s. Five. SOI wafer manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2A도 내지 제2F도는 본 발명의 기술에 따른 SOI 웨이퍼의 제조공정도2A through 2F are manufacturing process diagrams of an SOI wafer according to the technique of the present invention.

Claims (7)

SOI 웨이퍼 제조방법에 있어서, 후속 웨이퍼 가공 공정마진을 고려한 통상의 웨이퍼의 두께보다 두꺼운 웨이퍼를 제작하는 단게와; 상기 웨이퍼의 상하부에 SOI 용 웨이퍼로 필요로 하는 열산화막을 성정시키는 단계와, 상기 실리콘 웨이퍼의 상하면에 성장된 산화막중 사용하지 않을 면의 산화막을 식각하는 단계와, 상기 웨이퍼들을 상하로 차례로 일정높이로 적층하여 접착시키는 단계와, 상기 적층된 웨이퍼간의 접착력을 증진시키기 위해 고온에서 가열시키는 단계와, 상기 적층된 웨이퍼의 소정 부위를 절단하여 산화막 상부에 실리콘이 존재하는 SOI 형상의 웨이퍼를 얻는 단계를 구비하는 것을 특징으로 하는 반도체 소자의 SOI 웨이퍼 제조방법.An SOI wafer manufacturing method comprising the steps of: fabricating a wafer thicker than the thickness of a conventional wafer in consideration of subsequent wafer processing margins; Forming a thermal oxide film required as an SOI wafer on the upper and lower portions of the wafer; etching an oxide film on an unused surface among the oxide films grown on the upper and lower surfaces of the silicon wafer; Laminating and bonding, heating at a high temperature to enhance adhesion between the stacked wafers, and cutting a predetermined portion of the stacked wafers to obtain an SOI-shaped wafer having silicon on the oxide film. SOI wafer manufacturing method of a semiconductor device characterized in that it comprises. 제1항에 있어서, 상기 웨이퍼 가공 공정마진을 고려한 웨이퍼의 두께는 1000㎛~1100㎛ 범위인 것을 특징으로 하는 반도체 소자의 SOI 웨이퍼 제조방법.The method of claim 1, wherein a thickness of the wafer in consideration of the wafer processing process margin is in a range of 1000 μm to 1100 μm. 제1항에 있어서, 상기 SOI 용 웨이퍼로 필요로 하는 열산화막 성장두께는 0.2㎛~0.4㎛ 범위인 것을 특징으로 하는 반도체 소자의 SOI 웨이퍼 제조방법.The method of manufacturing an SOI wafer of a semiconductor device according to claim 1, wherein the thermal oxide growth thickness required for the SOI wafer is in the range of 0.2 µm to 0.4 µm. 제1항에 있어서, 상기 적층된 상태의 웨이퍼를 절단하는 부위는 웨이퍼 접합경계로부터 0.8~1.2㎛ 떨어진 위치의 실리콘 기판을 절단하는 것을 특징으로 하는 반도체 소자의 SOI 웨이퍼 제조방법.2. The method of claim 1, wherein the portion of the stacked wafer is cut at a silicon substrate 0.8 to 1.2 μm away from a wafer bonding boundary. 제1항에 있어서, 상기 웨이퍼는 8인치(Inch) 웨이퍼로서 두께가 710㎛~740㎛ 범위인 것을 특징으로 하는 반도체 소자의 SOI 웨이퍼 제조방법.The method of claim 1, wherein the wafer is an 8 inch wafer and has a thickness in a range of 710 μm to 740 μm. 제1항에 있어서, 상기 적층된 웨이퍼간의 결합력을 증짐시키기 위해 고온으로 가열할 시 가열온도는 실리콘의 융점온도인 1400~1500℃에서 실시하는 것을 특징으로 하는 반도체 소자의 SOI 웨이퍼 제조방법.The method of claim 1, wherein the heating temperature is 1,400 to 1500 ° C., which is a melting point temperature of silicon, when heating to a high temperature to increase the bonding force between the stacked wafers. 제1항에 있어서, 실리콘 웨이퍼의 상하면에 성장된 산화막중 사용하지 않을 면의 산화막 식각시 습식식각 또는 건식식각으로 하는 것을 특징으로 하는 반도체 소자의 SOI 웨이퍼 제조방법.The method of manufacturing an SOI wafer of a semiconductor device according to claim 1, wherein wet etching or dry etching is used for etching an oxide film of an unused surface among the oxide films grown on upper and lower surfaces of the silicon wafer.
KR1019950025649A 1995-08-21 1995-08-21 s. Five. SOI wafer manufacturing method KR970012991A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019950025649A KR970012991A (en) 1995-08-21 1995-08-21 s. Five. SOI wafer manufacturing method
TW085109796A TW323388B (en) 1995-08-21 1996-08-13
US08/696,163 US5899712A (en) 1995-08-21 1996-08-13 Method for fabricating silicon-on-insulator device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950025649A KR970012991A (en) 1995-08-21 1995-08-21 s. Five. SOI wafer manufacturing method

Publications (1)

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KR970012991A true KR970012991A (en) 1997-03-29

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100802390B1 (en) * 2006-07-14 2008-02-14 기아자동차주식회사 Detecting device for misassembling head-bolts in the engine auto-assembling line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100802390B1 (en) * 2006-07-14 2008-02-14 기아자동차주식회사 Detecting device for misassembling head-bolts in the engine auto-assembling line

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