Electrical circuit components made from silkworm silk with silkworm-digested structured materials and methods for manufacturing same

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Solution Overview

Problem

Existing methods for manufacturing electrical circuit components from silkworm silk are non-scalable and cost-prohibitive, requiring post-processing to incorporate functional properties.

Innovation Solution

Feeding silkworms with structured materials like graphite, TiO2 nanotubes, MoS2, and KMnO4/MnCl2, which are then integrated into the silk fibers, enabling the production of electrical circuit components with enhanced electrical properties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional fabrication methods are used to manufacture electrical circuit components from silkworm silk, then functional properties can be incorporated into the silkworm silk, but the manufacturing process becomes non-scalable and cost-prohibitive

Engineering Contradiction:
Improvefunctional propertiesVSAvoidscalability
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent incorporates functional materials into the silkworm's diet before silk production occurs. This preliminary action allows the functional properties to be integrated during the natural silk formation process, eliminating the need for subsequent post-processing steps and enabling scalable manufacturing through biological production

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The silkworm naturally incorporates the functional materials into the silk fiber structure during its normal silk production process. The biological system performs the integration function automatically without requiring external post-processing intervention, making the process scalable and cost-effective

Inventive Principle:
Principle #25Self-service

2Reliability

If conventional fabrication methods are used to manufacture electrical circuit components from silkworm silk, then functional properties can be incorporated into the silkworm silk, but the manufacturing cost becomes prohibitive

Engineering Contradiction:
Improvefunctional propertiesVSAvoidmanufacturing cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The functional materials are mixed into the silkworm's food source before silk production, allowing the silkworm to incorporate these materials during natural silk formation. This eliminates expensive post-processing steps and reduces manufacturing costs while maintaining functional properties

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The silkworm's biological system naturally performs the integration of functional materials into the silk structure during its normal feeding and silk production cycles, eliminating the need for expensive external processing equipment and operations

Inventive Principle:
Principle #25Self-service

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 modified silkworm silk fibers demonstrate significantly improved capacitive performance, thermal stability, and electrical conductivity, making them suitable for use in supercapacitor electrodes.

Implementation Method 1

silkworm-digested, structured material located in the interior region or on the outer surface of the at least one fiber

Methodology Applied
Scientific EffectBiological digestion: Decomposition (biological)

Data Source

PatentEP3955749B1Electrical circuit components made from silkworm silk with silkworm-digested structured materials and methods for manufacturing same
Publication Date: 2025.02.12 AMERICAN UNIVERSITY IN CAIRO
  • EP3955749B1 patent drawingFigure 1A~1F
  • EP3955749B1 patent drawingFigure 2A~2C
  • EP3955749B1 patent drawingFigure 3A~3B

AI summary

A method for manufacturing an electrical circuit component includes preparing a mixture of a structured material and silkworm food. The method further includes feeding the mixture to at least one silkworm. The method further includes harvesting silk produced by the at least one silkworm, wherein the harvested silk includes at least one silkworm silk fiber including silkworm-digested portions of the structured material embedded in or on the at least one fiber. The method further includes incorporating the at least one fiber into an electrical circuit component.