Antenna Encapsulation in Energy Storage Devices

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Solution Overview

Problem

Existing methods for encapsulating antennas in energy storage devices often introduce dielectric de-tuning effects, which affect the performance of the antenna, and there is a need for a robust packaging solution that maintains the antenna's precision tuning.

Innovation Solution

A method of manufacturing a precision tuned miniature antenna and encapsulating it within a solid encapsulant, using mechanical or electro-magnetic techniques to confirm the presence of a portable electronic device and ensuring the antenna's performance is maintained by adjusting the antenna's components during the manufacturing process.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the antenna is encapsulated in a solid encapsulant, then the packaging robustness is improved, but dielectric de-tuning effects occur that degrade antenna performance

Engineering Contradiction:

Improvepackaging robustnessVSAvoidantenna tuning precision

Core Design Contradiction:

ReliabilityVSManufacturing precision

Solution Approach 1:

The antenna is tuned to a predetermined frequency before encapsulation. This preliminary tuning action accounts for the future dielectric de-tuning effects that will occur during encapsulation, allowing the antenna to maintain its precision tuning despite the subsequent packaging process

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The method compensates for the anticipated dielectric de-tuning effects by adjusting the antenna tuning in advance. This preliminary anti-action counteracts the harmful de-tuning effects that will occur when the antenna is encapsulated in the solid encapsulant, ensuring performance is maintained

Inventive Principle:

Principle #9Preliminary anti-action

2Manufacturing precision

If the antenna components are adjusted during manufacturing to compensate for de-tuning, then the antenna performance is maintained, but the manufacturing process complexity increases

Engineering Contradiction:

Improveantenna tuning precisionVSAvoidmanufacturing process complexity

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The antenna components are adjusted during the manufacturing process before encapsulation to pre-compensate for dielectric de-tuning effects. This preliminary adjustment maintains antenna performance while consolidating the tuning operation into the existing manufacturing workflow, avoiding the need for additional post-encapsulation tuning steps

Inventive Principle:

Principle #10Preliminary action

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 solution effectively encapsulates the antenna while overcoming dielectric de-tuning effects, ensuring the antenna's performance is preserved and allowing it to function within energy storage devices, even when the device is removed from its host.

Implementation Method 1

overcoming the dielectric de-tuning effects introduced by the encapsulation process

Methodology Applied

Scientific EffectDielectric: Dielectric

Data Source

PatentUS9368872B2Methods of encapsulating an antenna

Publication Date: 2016.06.14 CORELIS

AI summary

Methods relating to providing a tuned miniature antenna and/or encapsulating such antenna inside the energy storage device.