Enhanced UV Emitter Module with Advanced Thermal Management, Beam Uniformity, and Safety Features

Publication ID: 24-11857686_0006_PTD
Published: October 28, 2025
Category:Direct Improvements & Enhancements

Legal Citation

pr1or.art Inc., “Enhanced UV Emitter Module with Advanced Thermal Management, Beam Uniformity, and Safety Features,” Published Technical Disclosure No. 24-11857686_0006_PTD, Published October 28, 2025, available at https://archive.pr1or.art/24-11857686_0006_PTD
This technical disclosure describes improvements that would be readily apparent to a Person Having Ordinary Skill In The Art (PHOSITA) when considered in combination with the foundational architecture disclosed in U.S. Patent No. 11,857,686.

Summary of the Inventive Concept

This inventive concept introduces a UV emitter module with improved thermal management, enhanced beam uniformity, increased lamp lifespan, and advanced safety features, addressing the limitations of the original patent and providing a more efficient, reliable, and safe solution for UV irradiation of substrates.

Background and Problem Solved

The original patent disclosed a UV lamp module with a waterproof housing and multiple low-pressure mercury lamps. However, it lacked effective thermal management, resulting in heat buildup and reduced lamp lifespan. Moreover, the beam uniformity was not optimized, leading to variations in beam intensity. Furthermore, the original design did not incorporate advanced safety features to detect and respond to excessive UV radiation levels. The new inventive concept addresses these limitations by integrating a thermoelectric cooling system, a beam homogenizer, a lamp cleaning system, and a UV radiation sensor.

Detailed Description of the Inventive Concept

The enhanced UV emitter module comprises a lamp arrangement with multiple low-pressure mercury lamps, a waterproof housing surrounding the lamp arrangement, and several innovative features. The thermoelectric cooling system integrated into the housing reduces heat buildup, ensuring a more stable and efficient operation. The beam homogenizer positioned within the beam exit window minimizes beam intensity variations, providing a more uniform irradiation of the substrate. The lamp cleaning system uses a gentle gas flow to remove contaminants from the lamp surfaces, increasing lamp lifespan. Additionally, the UV radiation sensor detects and responds to excessive UV radiation levels, enhancing safety and preventing potential hazards.

Novelty and Inventive Step

The new inventive concept introduces a synergistic combination of advanced thermal management, beam uniformity, lamp lifespan, and safety features, which are not obvious from the original patent. The integration of these features provides a significant improvement over the prior art, offering a more efficient, reliable, and safe solution for UV irradiation of substrates.

Alternative Embodiments and Variations

Alternative embodiments of the inventive concept could include the use of different cooling systems, such as liquid cooling or heat pipes, or the implementation of various beam homogenization techniques. Additionally, the lamp cleaning system could be modified to use alternative cleaning methods, and the UV radiation sensor could be replaced with other types of sensors or detection systems.

Potential Commercial Applications and Market

The enhanced UV emitter module has significant commercial potential in industries such as semiconductor manufacturing, surface treatment, and medical device sterilization. The improved thermal management, beam uniformity, and safety features make it an attractive solution for companies seeking to increase efficiency, reduce downtime, and ensure safe operation.

CPC Classifications

SectionClassGroup
A A61 A61L2/10
H H01 H01J61/523
H H01 H01J61/72

Field of Art

Ultraviolet lamp technology, specifically low-pressure mercury lamp modules for substrate irradiation, encompassing thermal management, optical systems, and radiation safety in UV emission devices

Person of Ordinary Skill (PHOSITA) Profile

An engineer with expertise in UV lamp design, thermal engineering, optical systems, and radiation safety, typically holding a BS/MS in electrical, mechanical, or optical engineering with 3-5 years of experience in UV lamp module development

Obviousness Rationale

A PHOSITA would recognize that the PTD's enhancements represent predictable variations of the source patent's core UV lamp module design. The disclosed improvements in thermal management, beam uniformity, and safety are logical extensions of existing UV lamp technology using well-known engineering techniques. Each variation addresses known limitations in UV lamp systems through standard design optimization strategies.

Obvious Combinations & Variations

Source Patent Element
Waterproof housing surrounding multiple low-pressure mercury lamps
PTD Variation
Integrating a thermoelectric cooling system within the housing to manage thermal performance
Obviousness Reasoning
Thermal management is a predictable design challenge in UV lamp modules, and thermoelectric cooling is a known technique for heat dissipation in compact electronic and optical systems
Source Patent Element
Beam exit window on the bottom side of the housing
PTD Variation
Adding a beam homogenizer within the beam exit window to reduce intensity variations
Obviousness Reasoning
Beam uniformity is a standard optimization goal in optical systems, and beam homogenization techniques are well-established in the art of radiation and optical engineering
Source Patent Element
Multiple low-pressure mercury lamps in a housing configuration
PTD Variation
Implementing a lamp cleaning system using gentle gas flow to remove surface contaminants
Obviousness Reasoning
Lamp maintenance and contamination prevention are recognized challenges in UV lamp design, and gas-based cleaning methods are known in the field of lamp and optical system maintenance
Source Patent Element
UV lamp module for substrate irradiation
PTD Variation
Adding a UV radiation sensor to detect and respond to excessive radiation levels
Obviousness Reasoning
Safety monitoring is a standard design consideration in radiation-emitting devices, and radiation sensors are well-known protective technologies
Source Patent Element
Fixed lamp arrangement in a housing
PTD Variation
Introducing a modular lamp replacement system for quick maintenance
Obviousness Reasoning
Modular design for easy component replacement is a standard engineering approach to improve device serviceability and reduce downtime
35 U.S.C. § 103 Summary: Based on the teachings of US Patent 11857686 and the principles of obviousness under 35 U.S.C. ยง 103, the variations disclosed in this Published Technical Disclosure would have been obvious to a Person Having Ordinary Skill In The Art at the time of invention. The incremental improvements in thermal management, beam uniformity, safety, and maintenance represent predictable variations that would be apparent to a skilled practitioner seeking to optimize UV lamp module performance through standard engineering techniques.

Original Patent Information

Patent NumberUS 11,857,686
TitleUV emitter module and use thereof
Assignee(s)HERAEUS NOBLELIGHT GMBH