Difunctional Light-Absorbing Triazine Monomer for Temporary Adhesives
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Solution Overview
Problem
Existing light-absorbing components in temporary adhesive materials for semiconductors elute when exposed to organic solvents, compromising their releasing function.
Innovation Solution
A compound with two polymerizable functional groups and two light-absorbing triazine derivatives, represented by a specific general formula, is used as a monomer material for polymeric compounds, ensuring the light-absorbing component does not elute and maintains its releasing function even in the presence of organic solvents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a light-absorbing component is added as a single substance to the adhesive layer, then the releasing function is provided, but the light-absorbing component elutes when exposed to organic solvent
Solution Approach 1:
The patent combines the light-absorbing component and the adhesive component into a single integrated compound. The light-absorbing unit (triazine derivative) is chemically bonded to the adhesive unit through a polymerizable linker, creating a unified molecule that performs both functions simultaneously. This eliminates the problem of elution because the light-absorbing component is no longer a separate additive but an integral part of the adhesive polymer structure.
Solution Approach 2:
The invention creates a composite light-absorbing adhesive compound that integrates multiple functional units: a light-absorbing triazine derivative unit, an adhesive unit, and a polymerizable linker unit. This composite structure ensures that the light-absorbing component remains firmly bound within the adhesive matrix while maintaining its photochemical functionality, preventing elution in organic solvents.
2Ease of operation
If a light-absorbing component is added to the adhesive layer, then the semiconductor substrate can be peeled off by light irradiation, but the component cannot maintain its releasing function when exposed to organic solvent
Solution Approach 1:
By merging the light-absorbing functionality with the adhesive functionality into one compound, the patent ensures that the light-absorbing component cannot separate or elute from the adhesive matrix. The chemical bond between the triazine derivative and the adhesive unit through the polymerizable linker guarantees that the releasing function is maintained even when exposed to organic solvents during semiconductor processing.
3Adaptability or versatility
If a light-absorbing agent is added to the adhesive layer, then temporary adhesion is provided for semiconductor processing, but the agent elutes and cannot maintain releasing function
Solution Approach 1:
The patent creates a composite molecular structure where the light-absorbing triazine derivative is covalently bonded to the adhesive unit. This composite structure ensures that the light-absorbing agent remains permanently integrated into the adhesive polymer, eliminating elution while preserving the temporary adhesion function required for semiconductor processing operations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The compound allows easy peeling of semiconductor substrates laminated with the adhesive by light irradiation, maintaining the adhesive's releasing function throughout semiconductor processing.
Implementation Method 1
Light-absorbing agents have the ability to absorb light and convert it into other forms of energy such as heat, through a chemical mechanism
Implementation Method 2
a compound having two polymerizable functional groups and two light-absorbing triazine derivatives for polymer synthesis
Data Source
AI summary
The present invention provides a compound represented by the following general formula (1). In the formula (1), V is a divalent organic group selected from any of the general formulae shown immediately below the general formula (1); “p” is 0 or 1; R1, R2, and R3 are each a hydrogen atom, a hydroxy group, an oxyalkyl group, or an alkyl group; and at least one of R1 and R3 is a hydroxy group. This can provide a difunctional light-absorbing monomer that can be used as a monomer material for polymeric compounds.