Vertical Substrate Processing Layout for Dense Module Access

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Existing substrate processing apparatuses face challenges in improving productivity per unit area while maintaining a restricted height, leading to limited installation of processing modules and accessibility issues during maintenance.

Innovation Solution

A substrate processing apparatus design where first processing modules are disposed above second transfer modules, and first transfer modules are disposed above second processing modules, with integrated composite modules that include both processing and transfer functions, utilizing magnetically levitated transfer units to enhance flexibility and reduce height.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of repair

If processing modules are arranged horizontally to improve accessibility for maintenance, then ease of repair is improved, but productivity per unit area deteriorates due to limited installation space

Engineering Contradiction:

Improveaccessibility for maintenanceVSAvoidproductivity per unit area

Core Design Contradiction:

Ease of repairVSProductivity

Solution Approach 1:

The patent transitions from horizontal arrangement to vertical stacking of processing modules, utilizing the third dimension (height) to increase the number of installable modules. Multiple processing modules are stacked vertically with transfer modules positioned between them, enabling higher productivity per unit floor area while maintaining serviceability through vertical access paths.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent implements a nested configuration where transfer modules are positioned within the vertical space between stacked processing modules. The transfer modules are integrated into the modular structure, with each transfer module serving multiple processing modules above and below it, creating a compact nested arrangement that maximizes space utilization.

Inventive Principle:

Principle #7Nested doll (Nesting)

2Productivity

If more processing modules are installed to improve productivity per unit area, then productivity is improved, but apparatus height increases

Engineering Contradiction:

Improveproductivity per unit areaVSAvoidapparatus height

Core Design Contradiction:

ProductivityVSLength of stationary object

Solution Approach 1:

The patent divides the processing system into discrete modular units (processing modules and transfer modules) that can be stacked vertically. Each module is self-contained with standardized interfaces, allowing flexible configuration. The segmentation enables compact vertical integration while maintaining serviceability, as each module can be accessed and maintained independently through the modular architecture.

Inventive Principle:

Principle #1Segmentation

3Productivity

If processing modules are stacked vertically to improve productivity per unit area, then productivity is improved, but ease of repair deteriorates due to reduced accessibility

Engineering Contradiction:

Improveproductivity per unit areaVSAvoidaccessibility for maintenance

Core Design Contradiction:

ProductivityVSEase of repair

Solution Approach 1:

The transfer modules serve multiple functions: they transfer substrates between processing modules, provides vertical spacing that enables access pathways, and act as integration points for utilities and control systems. This multi-functionality allows the vertical stack to maintain serviceability while achieving high density, as the transfer modules facilitate both operation and maintenance access.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 configuration enhances productivity per unit area, allows for efficient installation of more processing modules, improves accessibility for maintenance, and reduces apparatus height, while maintaining transfer and processing performance.

Implementation Method 1

utilizing magnetically levitated transfer units to enhance flexibility and reduce height

Methodology Applied

Scientific EffectMagnetic levitation: Maglev

Data Source

PatentUS20260052934A1Substrate processing apparatus

Publication Date: 2026.02.19 TOKYO ELECTRON LTD

AI summary

There is provided a substrate processing apparatus for processing a substrate, the substrate processing apparatus including: a first processing module group including a plurality of first processing modules; a plurality of first transfer modules, each first transfer module being connected to a respective one of the plurality of first processing modules; a second processing module group including a plurality of second processing modules; and a plurality of second transfer modules, each second transfer module being connected to a respective one of the plurality of second processing modules. The plurality of first transfer modules are disposed above the plurality of second processing modules, and the plurality of second transfer modules are disposed below the plurality of first processing modules.