Automated Wet-Processing Lab for 24/7 Semiconductor Handling

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Solution Overview

Problem

Existing wet laboratories for scientific research are inefficient, unstable, costly, and pose safety hazards due to manual operations, and lack automated data collection and management.

Innovation Solution

A fully automated wet-processing dark laboratory system comprising a laboratory body, wet-processing equipment, transfer robot, sample and chemical supplying and storing apparatus, and control apparatus, enabling 24/7 operation without human presence.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If manual operations are used in wet laboratories forscientific research, then flexibility in research scenarios is improved, but efficiency, reliability, and safety deteriorate

Engineering Contradiction:
Improveflexibility in research scenariosVSAvoidexperimental results stability
Core Design Contradiction:
Adaptability or versatilityVSReliability

Solution Approach 1:

The system enables automated self-service operations where the robotic arm autonomously performs sample transfer, chemical replenishment, and equipment operation without human intervention. The control system automatically schedules and executes experimental protocols, ensuring consistent and reliable results while maintaining research flexibility through programmable workflows.

Inventive Principle:
Principle #25Self-service

2Ease of operation

If manual operations are used in wet laboratories, then operational simplicity is improved, but safety and cost efficiency deteriorate

Engineering Contradiction:
Improveoperational simplicityVSAvoidsafety hazards for personnel
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system extracts human operators from the hazardous wet laboratory environment and replaces them with an automated robotic system. The robotic arm performs all operations involving chemicals and samples, completely eliminating personnel exposure to safety hazards while maintaining ease of operation through centralized control interfaces.

Inventive Principle:
Principle #2Taking out (Extraction)

3Extent of automation

If single equipment automation is implemented, then automation capability is improved, but overall laboratory efficiency and resource utilization deteriorate

Engineering Contradiction:
Improveequipment automation capabilityVSAvoidscientific research efficiency
Core Design Contradiction:
Extent of automationVSProductivity

Solution Approach 1:

The system merges multiple automated functions into an integrated laboratory system: the robotic arm combines sample transfer, chemical handling, and equipment operation capabilities. The control system integrates scheduling, monitoring, and data collection functions, creating a cohesive automated workflow that maximizes overall laboratory productivity rather than isolating individual equipment automation.

Inventive Principle:
Principle #5Merging (Combining)

4Adaptability or versatility

If manual chemical and sample handling is used, then operational flexibility is improved, but experimental cost and time consumption deteriorate

Engineering Contradiction:
Improvehandling flexibilityVSAvoidtime consumption
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The robotic system enables continuous automated operations where samples and chemicals are handled without interruption. The system can operate 24/7 without breaks, performing sequential operations continuously from sample retrieval through processing to result collection, dramatically reducing total time consumption compared to manual batch processing while maintaining flexibility through programmable sequences.

Inventive Principle:
Principle #20Continuity of useful action

Data Source

PatentEP4715869A1Wet-processing dark laboratory for scientific research
Publication Date: 2026.03.25 THE HONG KONG UNIV OF SCI & TECH (GUANGZHOU)
  • EP4715869A1 patent drawingFigure 1
  • EP4715869A1 patent drawingFigure 2
  • EP4715869A1 patent drawingFigure 3

AI summary

A wet-processing dark laboratory for scientific research is disclosed, which relates to the technical field of semiconductor cleaning and etching and includes a laboratory body, a wet-processing equipment, a transfer robot, a sample supplying and storing apparatus, a chemical supplying and storing apparatus, and a control apparatus. The laboratory body is configured to provide a clean space. The transfer robot includes a moving device, a mechanical arm device, at least one end effector, and an accompanying device. The accompanying device can move with the moving device and provide a temporary storage space. The mechanical arm device is mounted on the moving device. The at least one end effector is mounted on the mechanical arm device for grasping a semiconductor sample and/or a chemical tank. The above design enables 24/7 experiments conduction without the need for human presence, which forms a dark laboratory. It significantly improves efficiency of scientific research and apparatus utilization, improves reliability of experimental results, reduces experiment cost, and effectively ensures safety of the experimenter.