Polishing Pad Debris Composite for Waste-Reuse Pallets

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

The disposal of polishing pad debris from semiconductor manufacturing processes leads to environmental issues and material wastage, as current methods do not effectively recycle or reuse this material.

Innovation Solution

A method involving the collection of polishing pad debris from semiconductor manufacturing, combining it with wood material, and applying a force to form a composite article, which is then assembled into a pallet, thereby recycling the debris and reducing disposal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If polishing pad debris is disposed of through conventional methods, then the manufacturing process is simple, but environmental issues arise and material wastage occurs

Engineering Contradiction:

Improvesimplicity of disposal processVSAvoidenvironmental impact

Core Design Contradiction:

Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The patent converts harmful polishing pad debris into a beneficial composite material by combining it with wood flour and binding agents to create reusable composite articles, thereby eliminating environmental harm while creating valuable products

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent implements a recovery system where polishing pad debris is collected, processed, and transformed into composite articles for pallets and other applications, preventing disposal while recovering valuable material

Inventive Principle:

Principle #34Discarding and recovering

2Loss of energy

If polishing pad debris is disposed of through conventional methods, then processing costs are low, but material wastage increases

Engineering Contradiction:

Improveprocessing costVSAvoidmaterial wastage

Core Design Contradiction:

Loss of energyVSLoss of substance

Solution Approach 1:

The patent establishes a recovery process that collects polishing pad debris and transforms it into composite articles, preventing material loss while managing processing costs through efficient utilization of waste material

Inventive Principle:

Principle #34Discarding and recovering

Solution Approach 2:

The patent creates composite materials by combining polishing pad debris with wood flour and binding agents, transforming waste into valuable composite products that reduce material wastage

Inventive Principle:

Principle #40Composite materials

3Loss of substance

If polishing pad debris is recycled into composite articles, then material wastage is reduced, but processing complexity increases

Engineering Contradiction:

Improvematerial wastageVSAvoidprocessing complexity

Core Design Contradiction:

Loss of substanceVSDevice complexity

Solution Approach 1:

The patent applies parameter changes by controlling the mixing ratios of polishing pad debris, wood flour, and binding agents, along with compression pressure and temperature parameters, to transform waste material into usable composite articles through a manageable processing system

Inventive Principle:

Principle #35Parameter changes

4Object-affected harmful factors

If polishing pad debris is recycled into composite articles, then environmental impact is reduced, but manufacturing time increases

Engineering Contradiction:

Improveenvironmental impactVSAvoidmanufacturing time

Core Design Contradiction:

Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The patent implements preliminary action by pre-mixing polishing pad debris with wood flour and binding agents, then using compression molding to rapidly form composite articles, reducing the overall manufacturing time while maintaining environmental benefits

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

This approach recycles polishing pad debris, reducing environmental impact and material wastage by transforming it into a usable composite article for pallet construction, facilitating efficient reuse.

Implementation Method 1

rubbing over the polishing pad to remove a portion of the polishing pad and thereby produce polishing pad debris

Methodology Applied

Scientific EffectAbrasion: Abrasion

Implementation Method 2

applying a force over the wood material and the polishing pad debris to form the composite article

Methodology Applied

Scientific EffectCompression: Compression

Data Source

PatentUS20240157511A1Method of manufacturing composite article

Publication Date: 2024.05.16 TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD

AI summary

A method of manufacturing a composite article includes providing a polishing pad; rubbing over the polishing pad to produce a polishing pad debris; collecting the polishing pad debris; providing a wood material; and applying a force over the wood material and the polishing pad debris to form the composite article, wherein the composite article includes the wood material and the polishing pad debris, and the rubbing of the polishing pad includes removing a portion of the polishing pad to produce the polishing pad debris.