Multilayer object and release agent composition
US12215259B2 · kind B2 · utility
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1References
20Claims
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Assignee
Inventors
Key dates
| Filing date | Feb 16, 2021 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Jan 29, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2221/68381
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a laminate having a first substrate formed of a semiconductor substrate; a second substrate formed of a light-transmissive support substrate; and an adhesive layer and a release layer disposed between the first substrate and the second substrate, characterized in that the release layer is a film formed from a releasing agent composition containing a polynuclear phenol derivative represented by formula (P) (wherein Ar represents an arylene group), a cross-linking agent, and at least one of an acid generator and an acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.