Resin Composition for Low Dielectric Substrates
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Solution Overview
Problem
Maleimide compounds used in resin compositions for electronic devices exhibit high water absorption, leading to deterioration in dielectric properties, which is undesirable for substrates requiring stability in low dielectric properties across varying conditions.
Innovation Solution
A resin composition incorporating a maleimide compound with an alkyl or alkylene group having 6 or more carbon atoms, combined with a hydrocarbon-based compound, to create a cured product with low dielectric and water absorption properties, maintaining stability even after water absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If maleimide compounds are used to achieve low dielectric properties, then dielectric constant and dielectric loss tangent are reduced, but water absorption rate increases
Solution Approach 1:
The patent combines maleimide compound (A) with hydrocarbon-based compound (B) having 6 or more carbon atoms to create a composite resin composition. This composite structure leverages the low dielectric properties of maleimide while the hydrocarbon component with sufficient carbon chain length provides water resistance, achieving both low dielectric constant and low water absorption simultaneously
Solution Approach 2:
The patent specifies that the hydrocarbon-based compound (B) must have 6 or more carbon atoms to achieve the desired balance between dielectric properties and water absorption. By controlling the carbon atom count parameter, the resin composition achieves optimal performance where the hydrocarbon chain length provides sufficient hydrophobicity to resist water while maintaining low dielectric properties
2Speed
If maleimide compounds are used to achieve low dielectric properties, then transmission speed increases, but dielectric properties deteriorate after water absorption
Solution Approach 1:
The resin composition uses a composite of maleimide compound (A) and hydrocarbon-based compound (B) where the hydrocarbon component acts as a protective matrix that prevents water penetration to the maleimide regions, thereby maintaining stable dielectric properties even after water absorption while preserving high signal transmission speed
Solution Approach 2:
The patent converts the typically harmful effect of water absorption into a beneficial outcome by using the hydrocarbon-based compound to create a water-resistant structure. The hydrocarbon chain with 6 or more carbon atoms provides hydrophobicity that prevents water from reaching the maleimide compound, thus protecting dielectric properties from deterioration while maintaining the low dielectric constant needed for high-speed transmission
Data Source
AI summary
An aspect of the present invention relates to a resin composition containing a maleimide compound (A) having at least one selected from an alkyl group having 6 or more carbon atoms and an alkylene group having 6 or more carbon atoms, and a hydrocarbon-based compound (B) represented by the following Formula (1). In Formula (1), X represents a hydrocarbon group having 6 or more carbon atoms and containing at least one selected from an aromatic cyclic group or an aliphatic cyclic group, and n represents an integer from 1 to 10.