Imaging System Chemical Emitters Substrate Processing

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Solution Overview

Problem

Existing cleanroom designs face challenges with increased tool size and complexity, leading to higher costs and difficulties in installing, maintaining, and replacing processing tools, as well as a lack of standard methodologies for various manufacturing flows and substrate types.

Innovation Solution

The development of a substrate processing system using parallel implementations of electron beam or chemical species beam imaging elements within a cleanspace fabricator, allowing for vertical and horizontal tool placement, automated substrate transfer, and easy replacement of toolPods, which reduces installation and maintenance difficulties while maintaining economic advantages.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the size of tools and cleanroom dimensions are increased to accommodate more processing capacity, then productivity is improved, but the cost of building and maintaining cleanspace increases considerably

Engineering Contradiction:
Improveprocessing capacityVSAvoidcost of building and maintaining cleanspace
Core Design Contradiction:
ProductivityVSEase of manufacture

Solution Approach 1:

The patent divides the processing system into multiple independent tool modules that can be arranged in parallel. Each tool module contains its own processing chamber and can operate independently, allowing the system to scale productivity by adding modules rather than expanding a single large cleanroom space.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent utilizes vertical stacking of tool modules to increase processing capacity without proportionally increasing the horizontal cleanroom footprint. Multiple processing chambers are arranged in vertical layers, effectively using three-dimensional space to achieve higher productivity while controlling cleanspace volume and associated costs.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Ease of manufacture

If tools are densely placed to reduce cleanroom construction and maintenance costs, then ease of manufacture is improved, but installation and maintenance difficulty increases

Engineering Contradiction:
Improvecost effectivenessVSAvoidinstallation and maintenance difficulty
Core Design Contradiction:
Ease of manufactureVSEase of operation

Solution Approach 1:

Each tool module is designed as a self-contained unit with standardized interfaces for substrate transfer, utility connections, and control systems. This modular architecture allows tools to be installed and maintained independently without disrupting adjacent modules, reducing installation and maintenance difficulty even when densely packed.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The patent employs standardized tool module designs that can perform multiple processing functions or be configured for different substrate types. This universality allows the same module architecture to serve various manufacturing flows, simplifying installation procedures and maintenance protocols across the entire system.

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

3Manufacturing precision

If traditional lithography masks are used for imaging, then manufacturing precision is maintained, but device complexity and cost increase

Engineering Contradiction:
Improveimaging accuracyVSAvoidlithography mask requirements
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent removes the external lithography mask component from the imaging system and integrates the patterning function directly into the imaging element array. The imaging elements themselves generate the pattern through their spatial arrangement and emission characteristics, eliminating the need for separate mask fabrication, alignment, and replacement operations.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces the mechanical lithography mask system with an electronically controlled imaging element array. The patterning is achieved through electronic control of individual imaging elements rather than physical masks, reducing mechanical complexity while maintaining or improving imaging precision through digital addressing and control.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 enables efficient and cost-effective processing of substrates with reduced installation and maintenance time, accommodating various manufacturing flows and substrate types without the need for expensive lithography masks, and supports advanced techniques like three-dimensional assembly and conductive connections.

Implementation Method 1

a first substrate with a multitude of imaging elements arrayed thereupon which are capable of emitting an image from their structure to a material sensitive to their emission

Methodology Applied
Scientific EffectElectron emission: Electron Beam

Data Source

PatentUS10614993B2Method and apparatus for an imaging system
Publication Date: 2020.04.07 FLITSCH FREDERICK A
  • US10614993B2 patent drawing
  • US10614993B2 patent drawing
  • US10614993B2 patent drawing

AI summary

The present invention provides apparatus for an imaging system comprising a multitude of chemical emitting elements upon a substrate. In some embodiments the substrate may be approximately round with a radius of approximately one inch. Various methods relating to using and producing an imaging system of chemical emitters are disclosed.