Laminate Antenna with Nested Conductors for Compact IC Mounting
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Solution Overview
Problem
Conventional antennas face challenges in reducing size to fit within small concave portions while maintaining effective communication with small-sized IC chips, leading to reduced antenna performance and shortened radio wave transmission distances.
Innovation Solution
A laminate antenna structure comprising a conductor core, insulator layer, and conductor pattern, where the conductor pattern is formed to direct current flow from one end to the other, allowing for efficient power supply and radio wave transmission, and produced using laser evaporation techniques to minimize size and enhance magnetic field coupling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the antenna is reduced in size to fit within small concave portions, then the antenna can be mounted on small-sized IC chips, but the antenna performance is lowered and radio wave transmission distance is shortened
Solution Approach 1:
The patent applies nesting by placing the conductor core inside the conductor pattern, creating a compact nested structure. The conductor core (first conductor) is positioned at the center, surrounded by the conductor pattern (second conductor), allowing both elements to occupy minimal space while maintaining their functional integrity for magnetic field coupling and radio wave transmission
Solution Approach 2:
The patent transitions from planar antenna designs to a three-dimensional nested configuration. By arranging conductors in concentric circular patterns at different radial positions, the design utilizes spatial dimensionality to maintain effective current paths and magnetic field generation within a reduced footprint, enabling compact mounting on small IC chips
2Volume of moving object
If the antenna size is reduced, then it can fit in small concave portions, but the transmission distance of radio waves is shortened
Solution Approach 1:
The nested configuration of conductor core and conductor pattern creates efficient magnetic field coupling in a compact volume. This nested arrangement allows the antenna to maintain effective electromagnetic radiation capability despite reduced size, preserving radio wave transmission distance while fitting within small concave portions on IC chips
Solution Approach 2:
The patent employs composite material structures by combining different conductor materials (such as copper or aluminum) with insulating materials (such as resin or ceramic) in a nested arrangement. This composite construction optimizes both electrical conductivity for radio wave transmission and structural integrity for compact mounting, maintaining transmission distance while reducing overall antenna volume
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 antenna achieves appropriate communication with small-sized IC chips in concave portions by maintaining consistent standing wave frequencies and increasing radio wave propagation distance, despite the compact size, thereby overcoming size limitations and performance issues of conventional antennas.
Implementation Method 1
a laminate body configured so that a current is made to flow therethrough, thereby transmitting and receiving radio waves
Implementation Method 2
conductor pattern forming step of providing a conductor layer of a laminate body with a conductor pattern by irradiating the conductor layer with laser by a laser evaporation technique
Data Source
AI summary
An antenna of the present invention includes a laminate body including a conductor core, an insulator layer, and a conductor pattern. The conductor pattern is a conductor layer formed of a conducting body disposed on a radially outer side of the insulator layer. The conductor core and the conductor pattern are connected to each other in such a manner that a current is made to flow in a direction from the conductor core to the conductor pattern or in a direction opposite thereto so as to coincide with a power supply direction.