KR100885099B1 - 웨이퍼 가공용 테이프 및 그 제조방법 - Google Patents
웨이퍼 가공용 테이프 및 그 제조방법 Download PDFInfo
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- KR100885099B1 KR100885099B1 KR1020067006377A KR20067006377A KR100885099B1 KR 100885099 B1 KR100885099 B1 KR 100885099B1 KR 1020067006377 A KR1020067006377 A KR 1020067006377A KR 20067006377 A KR20067006377 A KR 20067006377A KR 100885099 B1 KR100885099 B1 KR 100885099B1
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- adhesive layer
- tape
- adhesive
- wafer
- wafer processing
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Classifications
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- 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
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Abstract
Description
Claims (16)
- 반도체장치를 제조하는 데에 있어서 웨이퍼를 고정하고 다이싱하고 또한 리드프레임이나 반도체 칩에 마운트하는 것을 포함하는 접착공정에 사용될 수 있으며, 기재필름의 적어도 한 면에 접착제층과 점착제층을 갖는 웨이퍼 가공용 테이프로서,웨이퍼와 첩합(貼合)되는 면에 있어서 점착제층이 존재하지 않는 영역과 존재하는 영역을 설치하여, 픽업시에, 점착제층이 존재하지 않는 영역에서는 접착제층이 칩측으로 옮겨지고, 테이프 박리시에, 점착제층이 존재하는 영역에서는 접착제층이 기재필름측에 남도록 한 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 반도체장치를 제조하는 데에 있어서 웨이퍼를 고정하고 다이싱하고 또한 리드프레임이나 반도체 칩에 마운트하는 것을 포함하는 접착공정에 사용될 수 있으며, 기재필름의 적어도 한 면에 접착제층과 점착제층을 갖는 웨이퍼 가공용 테이프로서,기재필름(또는 기재필름상에 설치된 층)-접착제층간의 박리력을 A, 피착체(웨이퍼)-접착제층간 및 피착체(링프레임)-점착제층간의 박리력을 각각 B1, B2로 할 때, B1>A인 영역과 A>B2인 영역을 설치하여, 픽업시에, B1>A인 영역에서는 접착제층이 칩측으로 옮겨지고, 테이프 박리시에, A>B2인 영역에서는 점착제층이 피착체로 옮겨지지 않도록 한 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 제 2 항에 있어서, 상기 A>B2인 영역이, 웨이퍼가 첩합(貼合)되는 부위 이외에 형성되어 있는 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 제 2 항 또는 제 3 항에 있어서, 상기 A>B2인 영역이 착색되어 있는 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 제 1 항 또는 제 2 항에 있어서, 상기 접착제층의 웨이퍼가 첩합되는 부위 이외에 점착제층이 적층되는 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 제 5 항에 있어서, 상기 접착제층이 기재필름상에 형성된 점착제층상에 적층되고, 상기 접착제층의 웨이퍼가 첩합되는 부위 이외에 또 다른 점착제층이 적층되고, 픽업시에, 접착제층상에 적층된 점착제층이 존재하지 않는 영역에서는 접착제층이 칩측으로 옮겨지고, 테이프 박리시에, 접착제층상에 적층된 점착제층이 기재 필름측에 남도록 한 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 제 2 항에 있어서, 상기 점착제층과 접착제층이 상기 기재필름 상에 이 순서로 설치되고, 웨이퍼가 첩합되는 부위에 상기 접착제층이 적층되는 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 기재필름상에 접착제층을 갖는 테이프(a)를 제공하는 공정, 세퍼레이터로서 사용되는 필름의 소정의 영역에 점착제층을 형성한 테이프(b)를 제공하는 공정, 및 테이프(a)의 접착제층측과 테이프(b)의 점착제층측을 직접 첩합(貼合)하여 일체의 웨이퍼 가공용 테이프를 제조하는 공정을 포함하는 것을 특징으로 하는 웨이퍼 가공용 테이프의 제조방법.
- 제 8 항에 있어서, 상기 테이프(a)가, 기재필름상에 점착제층과 접착제층을 이 순서로 형성한 테이프인 것을 특징으로 하는 웨이퍼 가공용 테이프의 제조방법.
- 제 9 항에 기재된 방법에 의해서 제작된 웨이퍼 가공용 테이프로서, 상기 세 퍼레이터를 박리했을 때에, 점착제층이 접착제층측에 전착되어 있는 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 삭제
- 삭제
- 제 1 항, 제 2 항, 제 3 항 또는 제 10 항 중 어느 한 항에 있어서, 상기 접착제층이 점착기능도 갖는 점접착제층인 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 제 4 항에 있어서, 상기 접착제층이 점착기능도 갖는 점접착제층인 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 제 5 항에 있어서, 상기 접착제층이 점착기능도 갖는 점접착제층인 것을 특징으로 하는 웨이퍼 가공용 테이프.
- 제 7 항에 있어서, 상기 접착제층이 점착기능도 갖는 점접착제층인 것을 특징으로 하는 웨이퍼 가공용 테이프.
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KR (1) | KR100885099B1 (ko) |
CN (1) | CN100463114C (ko) |
MY (1) | MY144179A (ko) |
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CN1864248A (zh) | 2006-11-15 |
KR20060106819A (ko) | 2006-10-12 |
CN100463114C (zh) | 2009-02-18 |
MY144179A (en) | 2011-08-15 |
US8545979B2 (en) | 2013-10-01 |
TW200530361A (en) | 2005-09-16 |
TWI338029B (en) | 2011-03-01 |
WO2005057644A1 (ja) | 2005-06-23 |
US20060154066A1 (en) | 2006-07-13 |
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