USA flag logo/image

An Official Website of the United States Government

Arc Source Multi-Layer Coatings to Double lighting System Lifetimes without…

Award Information

Department of Defense
Defense Advanced Research Projects Agency
Award ID:
Program Year/Program:
2005 / SBIR
Agency Tracking Number:
Solicitation Year:
Solicitation Topic Code:
Solicitation Number:
Small Business Information
Acree Technologies Incorporated
1980 Olivera Ave Suite D Concord, CA 94520-5454
View profile »
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No
Phase 1
Fiscal Year: 2005
Title: Arc Source Multi-Layer Coatings to Double lighting System Lifetimes without Affecting Performance
Agency / Branch: DOD / DARPA
Contract: W31P4Q-06-C-0044
Award Amount: $98,999.00


The purpose of this project is to demonstrate the feasibility of using Acree Technologies' Filtered Cathodic Arc Plasma Deposition process to deposit multilayer optical coatings to the outside of High Intensity Discharge (HID) lamps to increase their lifetime and efficiency without affecting their color rendering or optical performance. To increase the life and efficiency of the HID lamps, the multilayer coatings will reflect ultraviolet (UV) and infrared (IR) radiation back into the lamp so that the glass envelope will be more uniformly heated, reducing one of the major failure mechanisms, which is fracture of the glass due to devitrification and uneven thermal expansion at hot spots. The reflected UV has the added potential of increasing the efficiency of the lamp by recycling wasted photons. In addition, a diffusion barrier top coat will be used to inhibit contaminates from reaching the glass envelope, thereby extending the life of the lamps by reducing another major failure mechanism, which is fracture of the glass envelope due to phase changes at impurity nucleation sites.

Principal Investigator:

Mike McFarland
Principal Scientist

Business Contact:

Jochen Schein
Vice President
Small Business Information at Submission:

1900 Bates Ave., Suite G Concord, CA 94520

EIN/Tax ID: 201250852
Number of Employees:
Woman-Owned: No
Minority-Owned: No
HUBZone-Owned: No