KR101832297B1 - 레이저 다이싱용 필름 기재, 레이저 다이싱용 필름 및 전자부품의 제조방법 - Google Patents
레이저 다이싱용 필름 기재, 레이저 다이싱용 필름 및 전자부품의 제조방법 Download PDFInfo
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- KR101832297B1 KR101832297B1 KR1020167018806A KR20167018806A KR101832297B1 KR 101832297 B1 KR101832297 B1 KR 101832297B1 KR 1020167018806 A KR1020167018806 A KR 1020167018806A KR 20167018806 A KR20167018806 A KR 20167018806A KR 101832297 B1 KR101832297 B1 KR 101832297B1
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- ethylene
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Abstract
Description
도 2는, 도 1의 스텔스 다이싱용 필름 기재의 다른 구성례를 나타내는 개략 단면도이다.
도 3a는, 웨이퍼의 다이싱시에, 스텔스 다이싱용 필름을 개재하여 레이저광을 조사하고 있는 것을 나타내는 개략도이다.
도 3b는, 웨이퍼의 다이싱시에, 웨이퍼에 개질부가 형성된 상태를 나타내는 개략도이다.
도 4는, 스텔스 다이싱용 필름에 외부 응력을 부여하여 웨이퍼를 복수의 칩 으로 분리하는 것을 나타내는 개략도이다.
Claims (11)
- 점착층과 기재를 구비한 레이저 다이싱용 필름의 상기 기재로서 이용되고, 전체 광선 투과율이 90% 이상이고, 두께가 50㎛ 이상 200㎛ 이하의 범위인 레이저 다이싱용 필름 기재로서,
상기 기재가, 에틸렌·불포화카르본산계 공중합체의 마그네슘 또는 아연 아이오노머를 포함하고, 상기 에틸렌·불포화카르본산계 공중합체가 에틸렌·불포화카르본산 2원 공중합체 또는 에틸렌·불포화카르본산·불포화카르본산에스테르 3원 공중합체이고, 상기 마그네슘 또는 아연 아이오노머는 마그네슘 이온 또는 아연 이온에 의한 중화도가 20% 이상 85% 이하이며,
상기 기재가, 상기 점착층과 접하는 층 X와 층 Y와 층 Z가 이 순서대로 중층된 중층 구조, 또는 상기 점착층과 접하는 층 X와 층 Z와 층 Y가 이 순서대로 중층된 중층 구조를 갖고,
층 X가 수지 A를 포함하고,
층 Y가 수지 B를 포함하고,
층 Z가 수지 C를 포함하고,
상기 수지 A의 굽힘 강성률이 100MPa 이상 350MPa 이하의 범위이고, 상기 수지 B의 굽힘 강성률이 5MPa 이상 350MPa 이하의 범위이며, 상기 수지 C의 굽힘 강성률이 50MPa 이상 350MPa 이하의 범위이고, 상기 수지 A 또는 상기 수지 C의 굽힘 강성률의 각각으로부터 상기 수지 B의 굽힘 강성률을 뺀 차의 절대값이 큰 쪽의 값이 50MPa 이상 345MPa 이하의 범위 내이고,
상기 층 X, 층 Y, 및 층 Z가 각각 15㎛ 이상 80㎛ 이하의 두께를 가지고,
상기 수지 A가, 에틸렌·불포화카르본산 2원 공중합체의 아이오노머이고, 불포화카르본산으로부터 유도되는 구성단위의 함유량이 10질량% 초과 20질량% 이하인 레이저 다이싱용 필름 기재. - 삭제
- 제 1 항에 있어서,
상기 수지 B가, 저밀도 폴리에틸렌, 직쇄상 저밀도 폴리에틸렌, 에틸렌아세트산비닐 공중합체, 에틸렌·불포화카르본산 2원 공중합체 및 그 마그네슘 또는 아연 아이오노머, 에틸렌·불포화카르본산·불포화카르본산에스테르 3원 공중합체 및 그 마그네슘 또는 아연 아이오노머, 및 에틸렌·불포화카르본산에스테르 2원 공중합체로부터 선택되는 적어도 1종인 레이저 다이싱용 필름 기재. - 제 1 항에 있어서,
상기 수지 C가, 에틸렌·불포화카르본산 2원 공중합체 및 그 마그네슘 또는 아연 아이오노머, 및 에틸렌·불포화카르본산·불포화카르본산에스테르 3원 공중합체 및 그 마그네슘 또는 아연 아이오노머로부터 선택되는 적어도 1종인 레이저 다이싱용 필름 기재. - 제 1 항, 제 3 항 또는 제 4 항 중 어느 한 항에 있어서,
초기 응력이 9MPa 이상 19MPa 이하의 범위인 레이저 다이싱용 필름 기재. - 삭제
- 삭제
- 제 1 항, 제 3 항 또는 제 4 항 중 어느 한 항에 있어서,
융점이 155℃ 이상 185℃ 이하인 대전방지제를 포함하는 레이저 다이싱용 필름 기재. - 제 1 항, 제 3 항 또는 제 4 항 중 어느 한 항에 있어서,
표면 저항률이 1.0×109Ω/sq 이상 1.0×1012Ω/sq 이하인 레이저 다이싱용 필름 기재. - 점착층과, 제 1 항, 제 3 항 또는 제 4 항 중 어느 한 항에 기재된 레이저 다이싱용 필름 기재를 구비한 레이저 다이싱용 필름.
- 웨이퍼의 이면에 제 10 항에 기재된 레이저 다이싱용 필름을 부착하는 공정과,
상기 레이저 다이싱용 필름이 부착된 웨이퍼에 대하여, 상기 레이저 다이싱용 필름측으로부터 레이저광을 조사하고, 레이저 다이싱용 필름을 개재하여 레이저광에 의해 상기 웨이퍼를 다이싱하는 공정을 포함하는 전자부품의 제조방법.
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JP2017063210A (ja) | 2017-03-30 |
JP6073810B2 (ja) | 2017-02-01 |
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TWI563061B (en) | 2016-12-21 |
TW201600582A (zh) | 2016-01-01 |
WO2013099778A1 (ja) | 2013-07-04 |
TWI500731B (zh) | 2015-09-21 |
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CN104011836B (zh) | 2017-07-25 |
KR20160049041A (ko) | 2016-05-04 |
KR20140102756A (ko) | 2014-08-22 |
CN107057594B (zh) | 2021-02-09 |
KR101742647B1 (ko) | 2017-06-01 |
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