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Title:
分解洗浄組成物、接着性ポリマーの洗浄方法、及びデバイスウェハの製造方法
Document Type and Number:
Japanese Patent JP7405100
Kind Code:
B2
Abstract:
Provided is a decomposing/cleaning composition for an adhesive polymer having a high etching rate and suppressed infiltration into a contact interface between a substrate such as a device wafer and an adhesive layer such as a fixing tape. The decomposing/cleaning composition of one embodiment is a decomposing/cleaning composition for an adhesive polymer containing a quaternary alkylammonium fluoride or a quaternary alkylammonium fluoride hydrate and an aprotic solvent, wherein the aprotic solvent contains (A) an N-substituted amide compound having no active hydrogens on the nitrogen atoms and (B) at least one organic sulfur oxide selected from the group consisting of sulfoxide compounds and sulfone compounds.

Inventors:
Susumu Nakazaki
Kuniaki Miyahara
Tomoyuki Fukuyo
Application Number:
JP2020566112A
Publication Date:
December 26, 2023
Filing Date:
October 31, 2019
Export Citation:
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Assignee:
Resonac Co., Ltd.
International Classes:
H01L21/304; C11D7/32; C11D7/34; C11D7/50
Domestic Patent References:
JP2005500408A
JP11067632A
Foreign References:
WO2014092022A1
Attorney, Agent or Firm:
Atsushi Aoki
Shinji Mihashi
Masatoshi Takahashi
Hajime Kawahara