Standard Substrate Handling Chambers for Flexible Fab Capacity

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Solution Overview

Problem

Conventional semiconductor production systems lack flexibility and efficiency in substrate handling, leading to limitations in production throughput, cost, and process complexity.

Innovation Solution

The use of a standard substrate handling chamber precursor to manufacture two different styles of substrate handling chamber bodies, allowing for expanded substrate processing capabilities and simplified inventory management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple different styles of substrate handling chamber precursors are manufactured to meet diverse substrate processing needs, then substrate processing versatility is improved, but manufacturing complexity and inventory costs increase

Engineering Contradiction:
Improvesubstrate processing versatilityVSAvoidmanufacturing complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent applies universality by designing a single standardized substrate handling chamber precursor that can serve multiple substrate processing functions. The precursor includes a main body portion with a first end and a second end, where each end can be configured to interface with different types of substrate processing equipment. This allows one precursor design to support diverse substrate processing needs without requiring multiple specialized precursor types, thereby reducing manufacturing complexity while maintaining versatility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent applies segmentation by dividing the substrate handling chamber into modular components: a standardized main body portion and configurable end portions. The main body portion remains uniform across all chambers, while the first end and second end can be independently configured to match different substrate processing requirements. This segmentation allows the standardized portion to be mass-produced efficiently while only the end portions need customization.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If multiple different styles of substrate handling chamber precursors are maintained in inventory to support diverse processing requirements, then substrate processing versatility is improved, but inventory costs and management complexity increase

Engineering Contradiction:
Improvesubstrate processing versatilityVSAvoidinventory quantity
Core Design Contradiction:
Adaptability or versatilityVSQuantity of substance

Solution Approach 1:

The patent reduces inventory requirements by creating a universal precursor design that can fulfill multiple substrate processing roles. Instead of maintaining separate inventory stocks for different precursor styles, the standardized main body portion can be paired with different end configurations as needed. This approach significantly reduces the total quantity of precursors that must be manufactured and stored while still providing access to diverse processing capabilities.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent enables versatility through parameter changes in the end configurations rather than changing the entire precursor design. The main body portion remains constant, and only specific parameters of the end portions (such as interface geometry, connection mechanisms, or substrate transfer features) are modified to suit different processing requirements. This allows a single precursor inventory to support multiple processing scenarios.

Inventive Principle:
Principle #35Parameter changes

3Ease of manufacture

If conventional substrate handling chamber designs are used, then manufacturing simplicity is maintained, but production efficiency and throughput are limited

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidproduction throughput
Core Design Contradiction:
Ease of manufactureVSProductivity

Solution Approach 1:

The standardized precursor design enables improved productivity through efficient mass production of uniform components. The consistent main body portion can be manufactured using optimized processes and then rapidly assembled with different end configurations. This approach maintains manufacturing simplicity for the core component while enabling faster overall production throughput compared to manufacturing entirely custom chambers for each application.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent applies preliminary action by pre-manufacturing the standardized main body portions in advance and storing them as ready-to-assemble units. When a specific substrate processing chamber is needed, the pre-manufactured main body can be quickly configured with the appropriate end portions rather than manufacturing the entire chamber from scratch. This preliminary preparation significantly accelerates the production and deployment timeline.

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP4531081A1Standard base components for forming inboard and outboard substrate handling chambers and their use in production of substrate processing systems with expanded production capacity
Publication Date: 2025.04.02 ASM IP HLDG BV
  • EP4531081A1 patent drawingFigure 1
  • EP4531081A1 patent drawingFigure 2A~2B
  • EP4531081A1 patent drawingFigure 2C~2D

AI summary

Substrate processing systems and methods have expanded substrate processing capabilities. For such systems, substrate handling chamber bodies of different styles and for different areas of the substrate processing system may be formed using a standard substrate handling chamber precursor. Such substrate handling chamber precursors may include an exterior shape most of which can be used for two (or more) different styles of substrate handling chamber bodies. During milling, the standard precursors can be milled in different ways and by removing different amounts of material to form substrate handling chamber bodies having different numbers of facets, with different shapes, and for different locations in a substrate processing system.