Title:
FLUX SHEET FOR SEMICONDUCTOR TRANSFER
Document Type and Number:
WIPO Patent Application WO/2022/158461
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a flux sheet having excellent shock absorption properties and tackiness-adhesion properties, and having flux activity and excellent washability. In order to solve this problem, provided is a flux sheet for semiconductor transfer, said flux sheet including (A) a water-soluble adhesive and (B) a water-soluble plasticizer (excluding the component (A)). With the flux sheet for semiconductor transfer of the present invention, it is possible to provide a flux sheet having excellent shock absorption properties and tackiness-adhesive properties, and having excellent solder bondability and washability.
Inventors:
MIYAUCHI KAZUHIRO (JP)
HIRAOKA TAKASHI (JP)
SHINSEI EIJI (JP)
YOSHIMATSU SHUHEI (JP)
HIRAOKA TAKASHI (JP)
SHINSEI EIJI (JP)
YOSHIMATSU SHUHEI (JP)
Application Number:
PCT/JP2022/001680
Publication Date:
July 28, 2022
Filing Date:
January 18, 2022
Export Citation:
Assignee:
NAGASE CHEMTEX CORP (JP)
International Classes:
B23K35/363; H01L33/48
Domestic Patent References:
| WO2020116403A1 | 2020-06-11 | |||
| WO2016043092A1 | 2016-03-24 |
Foreign References:
| JP2013110403A | 2013-06-06 | |||
| JP2013110405A | 2013-06-06 | |||
| JP2013110402A | 2013-06-06 | |||
| JP2014168791A | 2014-09-18 | |||
| CN111055045A | 2020-04-24 | |||
| JP2002261335A | 2002-09-13 | |||
| JP2010161221A | 2010-07-22 | |||
| JP2021006770A | 2021-01-21 |
Attorney, Agent or Firm:
TOKKYO GYOMUHOJIN YUKON (JP)
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