Electrochemical Test Strip Electrode Embedding Method

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Solution Overview

Problem

The manufacturing process for electrochemical test strips with metal electrodes is complex and costly, requiring high-precision equipment, which limits their widespread application and affordability.

Innovation Solution

A setting method involving molding a metal conductive rack with conductive objects, embedding a polymer plastic inspection body, and exposing specific contact surfaces to facilitate easier and more precise assembly, reducing manufacturing complexity and cost.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If physical electrodes are embedded into the main body through high-precision equipment, then the testing function is improved, but the manufacturing cost increases and the process becomes complex

Engineering Contradiction:

Improvetesting functionVSAvoidmanufacturing cost and process complexity

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The patent merges the electrode setting process with the inspection body molding process by using embedded injection molding. The conductive objects are integrated into the inspection body during a single injection molding step, eliminating the need for separate high-precision electrode setting equipment and multiple manufacturing processes.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The conductive objects are pre-formed on the metal conductive rack before the injection molding process. This preliminary preparation allows the inspection body to be molded directly around the pre-positioned conductive objects, simplifying the overall manufacturing process and reducing the need for complex post-processing steps.

Inventive Principle:

Principle #10Preliminary action

2Manufacturing precision

If multiple processes are used to set electrodes on the inspection portion, then the electrode positioning precision is improved, but the device complexity increases

Engineering Contradiction:

Improveelectrode positioning precisionVSAvoidnumber of processes and equipment

Core Design Contradiction:

Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent combines electrode positioning and inspection body formation into a single embedded injection molding process. The metal conductive rack with pre-formed conductive objects serves as the mold core, allowing the inspection body to be molded directly around the electrodes in one step, eliminating multiple separate processes.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The metal conductive rack with conductive objects pre-formed in specific positions serves as both the electrode carrier and the mold core. The structure itself provides the positioning function, eliminating the need for additional positioning equipment or complex multi-step processes.

Inventive Principle:

Principle #25Self-service

3Manufacturing precision

If high-precision equipment is used for electrode setting, then the product quality is improved, but the manufacturing cost increases

Engineering Contradiction:

Improveproduct qualityVSAvoidmanufacturing cost

Core Design Contradiction:

Manufacturing precisionVSEase of manufacture

Solution Approach 1:

The patent uses a disposable metal conductive rack that is pre-formed with conductive objects. The rack and conductive objects are integrated into the final product through a single injection molding process, eliminating the need for expensive, reusable high-precision electrode setting equipment while maintaining product quality.

Inventive Principle:

Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent merges the electrode setting function with the inspection body molding function. The metal conductive rack serves dual purposes as both the electrode carrier and the mold core, allowing standard injection molding equipment to produce high-precision products without requiring specialized high-cost equipment.

Inventive Principle:

Principle #5Merging (Combining)

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

Simplifies the manufacturing process, enhances precision, and lowers production costs, making the electrochemical test strips more widely applicable and affordable.

Implementation Method 1

molding a metal conductive rack step, to mold the metal conductive rack on a conductive metal substrate by a metal processing method

Methodology Applied

Scientific EffectMetal processing:

Implementation Method 2

embedded injection of a conductive inspection body step, to inject molding the inspection body of a polymer plastic material from the plurality of conductive objects on the metal conductive rack

Methodology Applied

Scientific EffectInjection molding:

Implementation Method 3

a strengthened signal metal layer is formed on the external contact surface of the information contact end and the transmission contact surface of the information outputting end

Methodology Applied

Scientific EffectMetal layer formation:

Data Source

PatentUS9823212B2Setting method for conductive object of electrochemical test strip

Publication Date: 2017.11.21 KUANG HONG PRECISION

AI summary

The present invention relates a setting method for a conductive object of electrochemical test strip. In the embodiment, this manufacturing process is not complex, convenient, and has well precision, such that the cost of manufacturing an electrochemical test strip is reduced effectively, and the disadvantage of past manufacturing process is improved. The present invention is highly applied and convenient, so that wide application can be expected in the future.