JP7351360B2 - 保護フィルム - Google Patents

保護フィルム Download PDF

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Publication number
JP7351360B2
JP7351360B2 JP2022002656A JP2022002656A JP7351360B2 JP 7351360 B2 JP7351360 B2 JP 7351360B2 JP 2022002656 A JP2022002656 A JP 2022002656A JP 2022002656 A JP2022002656 A JP 2022002656A JP 7351360 B2 JP7351360 B2 JP 7351360B2
Authority
JP
Japan
Prior art keywords
layer
protective film
resin substrate
resin
adhesive layer
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2022002656A
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English (en)
Japanese (ja)
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JP2022158895A (ja
JP2022158895A5 (https=
Inventor
裕 大矢
智紀 松井
篤士 和泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Bakelite Co Ltd
Original Assignee
Sumitomo Bakelite Co Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=83638726&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP7351360(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sumitomo Bakelite Co Ltd filed Critical Sumitomo Bakelite Co Ltd
Priority to EP22780913.4A priority Critical patent/EP4316820B1/en
Priority to PCT/JP2022/015418 priority patent/WO2022210702A1/ja
Priority to US18/284,380 priority patent/US20240165920A1/en
Publication of JP2022158895A publication Critical patent/JP2022158895A/ja
Publication of JP2022158895A5 publication Critical patent/JP2022158895A5/ja
Application granted granted Critical
Publication of JP7351360B2 publication Critical patent/JP7351360B2/ja
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  • Polarising Elements (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
JP2022002656A 2021-03-29 2022-01-11 保護フィルム Active JP7351360B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP22780913.4A EP4316820B1 (en) 2021-03-29 2022-03-29 Protective film, resin substrate, laminate of protective film and resin substrate, resin sheet laminate, and protective film set
PCT/JP2022/015418 WO2022210702A1 (ja) 2021-03-29 2022-03-29 保護フィルム、樹脂基板、保護フィルム・樹脂基板積層体、樹脂シート積層体、保護フィルムセット
US18/284,380 US20240165920A1 (en) 2021-03-29 2022-03-29 Protective film, resin substrate, laminate of protective film and resin substrate, resin sheet laminate, and protective film set

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021062397 2021-03-31
JP2021062397 2021-03-31

Publications (3)

Publication Number Publication Date
JP2022158895A JP2022158895A (ja) 2022-10-17
JP2022158895A5 JP2022158895A5 (https=) 2023-06-14
JP7351360B2 true JP7351360B2 (ja) 2023-09-27

Family

ID=83638726

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022002656A Active JP7351360B2 (ja) 2021-03-29 2022-01-11 保護フィルム

Country Status (1)

Country Link
JP (1) JP7351360B2 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009102629A (ja) 2007-10-01 2009-05-14 Toyobo Co Ltd 表面保護用ポリプロピレン系樹脂フィルムおよび表面保護フィルム
JP2020175672A (ja) 2018-03-23 2020-10-29 住友ベークライト株式会社 保護フィルム

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6391324B2 (ja) * 2014-06-30 2018-09-19 アキレス株式会社 ウエハ保護フィルム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009102629A (ja) 2007-10-01 2009-05-14 Toyobo Co Ltd 表面保護用ポリプロピレン系樹脂フィルムおよび表面保護フィルム
JP2020175672A (ja) 2018-03-23 2020-10-29 住友ベークライト株式会社 保護フィルム

Also Published As

Publication number Publication date
JP2022158895A (ja) 2022-10-17

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