Glass-Metal Card Structure for Enhanced 3D Pattern Visibility
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Solution Overview
Problem
Conventional credit cards made of plastic materials lack a vivid three-dimensional effect, which is diminished by the low transmittance of plastic sheets, and metal cards, while offering unique aesthetics, do not effectively enhance this effect.
Innovation Solution
A metal card design incorporating a glass body with a UV 3D pattern layer, deposition layer, and light-blocking layer, along with a frame and rear metal bodies, to create a luxurious and enhanced three-dimensional appearance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a special pattern sheet is formed on a plastic sheet using a patterned mold, then fine patterns can be formed on the card, but the three-dimensional effect of the special pattern sheet is reduced due to the low transmittance of the plastic sheet
Solution Approach 1:
The patent changes the material parameter from plastic to glass, which fundamentally alters the light transmittance property. Glass provides high light transmittance while maintaining the ability to form precise three-dimensional patterns through the same mold-based formation process, thus resolving the contradiction between pattern precision and light transmission.
Solution Approach 2:
The patent employs a composite structure combining glass material with metallic patterns. This composite approach allows the glass body to provide high transmittance while the metallic patterns embedded within maintain the three-dimensional effect and visual appeal, simultaneously satisfying both requirements.
2Shape
If metal material is used for credit cards, then unique metallic luster and distinctive texture are achieved, but the three-dimensional effect of patterns is not effectively enhanced
Solution Approach 1:
The patent creates a composite material structure where glass serves as the base material for its optical properties, while metallic patterns are embedded or deposited on the glass surface. This combination achieves both the metallic luster and enhanced three-dimensional pattern effect that neither material could provide alone.
Solution Approach 2:
The patent adds a dimensional layer by embedding metallic patterns within the glass body or depositing them on the glass surface, creating a multi-layered structure. This additional dimension allows the patterns to stand out with enhanced three-dimensional effect while maintaining the overall metallic aesthetic.
3Illumination intensity
If glass body is used instead of plastic, then light transmittance is improved, but manufacturing complexity increases
Solution Approach 1:
The patent segments the manufacturing process into distinct stages: glass sheet preparation, pattern formation through molding, and metallic pattern embedding/deposition. This segmentation allows each step to be optimized independently, making the overall complex process more manageable and manufacturable.
Solution Approach 2:
The patent introduces metallic patterns as an intermediary element between the glass body and the final visual effect. These metallic patterns serve as a mediator that enhances the three-dimensional effect while being compatible with glass manufacturing processes, thus reducing the overall complexity compared to working with pure glass alone.
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 metal card achieves a superior three-dimensional effect with a luxurious appearance, providing a premium user experience through a glass body and intricate pattern design.
Implementation Method 1
a UV 3D pattern layer formed by a three-dimensional pattern composed of a UV-curable material on a surface of the printed layer
Implementation Method 2
a deposition layer having a multilayer structure, formed by sequentially depositing different materials on a surface of the pattern of the UV 3D pattern layer
Data Source
AI summary
A metal card includes: a frame metal body formed of a metal plate having a card-sized shape and thickness, the frame metal body including a first insertion space on an upper surface, a second insertion space on a lower surface, and a first chip insertion hole; a glass body formed of a sheet made of glass material and inserted into the first insertion space; a 3D pattern printed layer comprising a printed layer, a UV 3D pattern layer, a deposition layer formed of multiple layers, and a light-blocking printed layer, the 3D pattern printed layer being disposed between the glass body and the frame metal body; a rear metal body formed of a metal sheet and inserted into the second insertion space; an antenna module mounted in an antenna insertion space of the rear metal body; and an IC module for a card.