Dendrimer Resist Compound for Fine Semiconductor Patterning
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Solution Overview
Problem
Current resist compounds struggle to form fine patterns in semiconductor manufacturing due to limitations in sensitivity and etch resistance, particularly in high-resolution patterning processes.
Innovation Solution
A resist compound represented by Formula 1, which includes specific functional groups and a core structure, is applied to form a resist layer that undergoes chemical changes upon exposure to light, enhancing sensitivity and etch resistance, allowing for the formation of fine patterns with improved durability and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional resist compounds are used for high-resolution patterning, then manufacturing complexity is reduced, but manufacturing precision deteriorates due to inability to form fine patterns
Solution Approach 1:
The patent applies composite materials by combining a dendrimer core structure with multiple functional groups (carboxylic acid, hydroxyl, amino groups) to create a resist compound that achieves fine pattern formation. The composite structure integrates the core's structural stability with the functional groups' reactivity and solubility properties, enabling both high manufacturing precision and processability
Solution Approach 2:
The patent implements local quality by distributing different functional groups at specific positions on the dendrimer core structure. Each functional group is strategically placed to perform specific functions: carboxylic acid groups for solubility control, hydroxyl groups for etch resistance, and amino groups for sensitivity enhancement, allowing the resist compound to achieve fine patterning through localized functional properties
2Reliability
If conventional resist compounds are used, then etch resistance is insufficient, but improving it increases sensitivity requirements
Solution Approach 1:
The patent applies parameter changes by modifying the chemical composition parameters of the resist compound. By incorporating specific functional groups with defined chemical properties (carboxylic acid for etch resistance, amino for sensitivity), the patent changes the material parameters to simultaneously achieve both high etch resistance and appropriate sensitivity without requiring excessive exposure energy
3Manufacturing precision
If fine patterns are formed, then manufacturing precision improves, but pattern durability worsens due to narrow width limitations
Solution Approach 1:
The patent uses composite materials by integrating a stable dendrimer core structure with functional groups that provide both fine pattern capability and durability. The core structure maintains compositional stability for narrow pattern widths, while the functional groups (particularly hydroxyl and carboxylic acid groups) provide etch resistance and chemical stability, ensuring pattern durability even at fine dimensions
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 resist compound improves the sensitivity and efficiency of the exposure process, enabling the formation of resist patterns with narrow widths and high durability, suitable for advanced semiconductor devices.
Implementation Method 1
a process which causes a chemical structure change in a resist layer by irradiating the resist layer with light of a specific wavelength
Data Source
AI summary
Provided is a resist compound, a method for forming a pattern using the same, and a method for manufacturing a semiconductor device. According to the present disclosure, the compound may be represented by Formula 1.