Imprinting Apparatus Movable Frame Film Separation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current nanoimprinting processes damage imprinted product structures during film separation due to inadequate adaptation to resist and parameter changes, leading to reduced yield and operating convenience.
Innovation Solution
An imprinting apparatus with a transfer module and film separation module that includes a movable frame and elastic elements, allowing the transfer film to be turned and varied in angles to form a rounded corner with the imprinting roller, preventing damage during separation, and utilizing white light interferometers and sensors for precise leveling and tensile force detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the transfer film is lifted and pulled slowly to separate from the product, then the separation process is gentle, but the imprinted product structure may still be damaged due to inadequate adaptation to resist and parameter changes
Solution Approach 1:
The patent implements a movable frame that can dynamically adjust its position and angle relative to the imprinting platform. The frame is configured to move from an initial position where the transfer film is flat against the platform to a separated position where the film is lifted at an optimized angle, allowing real-time adaptation to different product geometries and material properties.
Solution Approach 2:
The system changes multiple parameters during the separation process including the angle between the transfer film and imprinting platform, the position of the movable frame, and the tension applied to the film. These parameter changes are coordinated to optimize separation for different product types while maintaining structural integrity.
2Device complexity
If a fixed frame is used to clamp the transfer film, then the structure is simple, but it cannot adapt to resist and parameter changes of different products
Solution Approach 1:
The patent replaces the fixed frame with a movable frame that can adjust its position along the imprinting platform and change its orientation angle. This dynamic structure allows the same apparatus to handle various product sizes, shapes, and material properties without requiring multiple dedicated fixtures.
Solution Approach 2:
The movable frame is designed to perform multiple functions: clamping the transfer film during imprinting, adjusting to different film tensions, and positioning at optimal separation angles for various product geometries. This multi-functional design eliminates the need for product-specific fixtures.
3Ease of operation
If the transfer film is separated by lifting and pulling, then the process is simple, but the yield of products is reduced due to structural damage
Solution Approach 1:
The system dynamically adjusts the separation angle and film tension during the peeling process. By optimizing these parameters in real-time based on product characteristics, the system achieves high-yield separation that prevents damage to delicate imprinted structures while maintaining operational simplicity.
Solution Approach 2:
The patent incorporates sensors that detect parameters such as film tension, separation angle, and product position during the separation process. This feedback information is used to dynamically adjust the separation parameters, ensuring optimal conditions for each product and maximizing yield while maintaining simple operation.
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
Increases imprinting yield and operating convenience by preventing structural damage during film separation and ensuring precise leveling and consistent tensile forces, resulting in improved product quality and process efficiency.
Implementation Method 1
The movable frame is adapted to move horizontally relative to the fixed frame to change a flatness of the transfer film
Implementation Method 2
two white light interferometers separately disposed beside the first side of the imprinting platform to detect a height between the imprinting roller and the imprinting platform
Data Source
AI summary
An imprinting apparatus includes an imprinting platform having a first side and a second side opposite to each other, an imprinting roller disposed above the imprinting platform, a transfer module, and a film separation module. The transfer module includes a transfer film located between the imprinting roller and the imprinting platform and a fixed frame fixed beside the first side of the imprinting platform and a movable frame disposed on the second side of the imprinting platform that clamp opposite sides of the transfer film. The movable frame is adapted to move horizontally relative to the fixed frame to change a flatness of the transfer film. The film separation module is connected to the movable frame, and is adapted to drive the movable frame to be turned from a first position to a second position, such that a rounded corner is formed between the transfer film and the imprinting roller.