Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 6, 2021
Patent Application Number
16229591
Date Filed
December 21, 2018
Patent Citations
Patent Primary Examiner
Patent abstract
Novel thermoplastic polyhydroxyether-based compositions for use as a laser-releasable composition for temporary bonding and laser debonding processes are provided. The inventive compositions can be debonded using various UV lasers, leaving behind little to no debris. The layers formed from these compositions possess good thermal stabilities and are soluble in commonly-used organic solvents (e.g., cyclopentanone). The compositions can also be used as build-up layers for RDL formation.
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