Microcircuit Board Lighting via Optical Waveguide Edge Illumination
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Solution Overview
Problem
The existing structural arrangement of microcircuit cards with integrated antennas faces challenges in reliability and manufacturing efficiency due to the need for increased card dimensions to maintain communication range, resulting in an unattractive appearance and poor manufacturing impression.
Innovation Solution
A microcircuit card design incorporating a luminous means that illuminates the edge through a transmission region formed by a stack of layers with different materials acting as an optical waveguide, enhancing aesthetics while maintaining communication capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the antenna dimensions are maximized to maintain communication range, then the communication range is improved, but the card dimensions must be increased resulting in an unattractive appearance
Solution Approach 1:
The antenna is integrated directly into the electronic module by nesting it within the module structure, specifically on the support carrying the microcircuit. This allows the antenna to be housed within the existing card body cavity without increasing overall card dimensions, while still providing sufficient surface area for magnetic field reception and maintaining satisfactory communication range.
Solution Approach 2:
The support carrying the microcircuit and antenna is extended in the z-direction (thickness dimension) to provide adequate surface area for the antenna. By utilizing the thickness dimension rather than increasing planar dimensions, the antenna achieves necessary reception surface while keeping the card's length and width within standard dimensions.
2Reliability
If the support dimensions are increased to accommodate the antenna, then the antenna has sufficient surface area for communication, but the uncovered support surface produces an unattractive appearance
Solution Approach 1:
The antenna structure is merged with the support carrying the microcircuit, forming an integrated assembly. The antenna extends around the periphery of the support and is electrically connected through metal pads, creating a unified structure where the antenna and support work together as a single functional unit within the card body.
Solution Approach 2:
A lighting means is integrated into the module to illuminate the card body, specifically highlighting the transmission region. This lighting feature transforms the previously unattractive raw support surface into an aesthetically pleasing element, creating visual appeal through light emission while the optical waveguide structures guide and enhance the light display.
3Ease of manufacture
If the antenna is integrated into the module, then manufacturing efficiency is improved, but the support dimensions must be substantially increased
Solution Approach 1:
The antenna is merged with the support structure to form an integrated module assembly. This integration simplifies the manufacturing process by reducing the number of separate components and assembly steps, while the support dimensions are optimized to provide necessary antenna surface area without excessive increase.
Solution Approach 2:
The support is extended primarily in the z-direction (thickness) rather than in planar dimensions, allowing the antenna to achieve sufficient surface area for communication while minimizing the increase in overall card footprint and maintaining compact form factor.
4Reliability
If a large surface of the support is not covered by the antenna and interface, then the antenna extends around the periphery providing communication range, but the raw support surface gives an impression of poor manufacture
Solution Approach 1:
A lighting means is integrated into the module to emit light that is transmitted through the card body via optical waveguide structures. This lighting feature transforms the previously problematic raw support surface into an attractive visual element, creating a deliberate aesthetic effect that conveys high manufacturing precision rather than poor workmanship.
Solution Approach 2:
The support structure serves multiple functions: it carries the microcircuit, provides the antenna mounting surface for communication, and acts as a light transmission medium for the aesthetic lighting feature. This multi-functionality resolves the contradiction by making the previously cosmetic-deficient surface into a functional aesthetic element.
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 card achieves improved reliability and manufacturing efficiency while maintaining a satisfactory communication range and providing an aesthetically pleasing appearance by utilizing a stack of layers with optical waveguide properties to transmit light along the card edge.
Implementation Method 1
the materials being chosen to form an optical waveguide at least along one direction
Data Source
Figure 1~2
AI summary
The microcircuit board (10) includes a body (12) defining a slice (14) of the board (10). The body (12) incorporates a light source (16) capable of at least partially illuminating the slice (14) of the board (10).