Development of a Laser Micromachining Process for the Fabrication of SiC Mirrors

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: W9113M-06-C-0117
Agency Tracking Number: B041-086-0708
Amount: $1,184,490.00
Phase: Phase II
Program: SBIR
Awards Year: 2006
Solicitation Year: 2004
Solicitation Topic Code: MDA04-086
Solicitation Number: 2004.1
Small Business Information
P.O. Box 223, Miamisburg, OH, 45343
DUNS: 927253195
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Kenneth Hix
 R&D Scientist
 (937) 865-3041
Business Contact
 Larry Dosser
Title: President & CEO
Phone: (937) 865-4481
Research Institution
The primary goal of this Phase 2 proposal is the construction of a multi-axis laser micromachining workstation for the fabrication of SiC mirrors and optical bench components to reduce both cost and long lead-times associated with current beryllium optics. Phase 1 results clearly indicated that laser micromachining can significantly reduce cost and increase the precision when compared to conventional contour grinding. One of the longest lead-time manufacturing processes is the mirror precision machining and subsequent polishing to achieve final figure and surface quality. This proposal details the tasks required for constructing a 9-axis automated micromachining workstation and verifying its ability to machine on-axis and off-axis complex mirrors to a figure and surface finish suitable for transitioning to a final polish operation. The combination of 6-axis motion system and 3-axis scanning system with an advanced laser system compose an unprecedented laser-based micromachining capability that does not exist today. This effort outlined in this proposal will develop a capability that extends the current state-of-the-art in laser micromachining. In addition to a 9-axis machining capability, the workstation will be automated to function in a 24/7 mode of operation and will include an integrated laser sensing technique for in situ metrology. Integrated metrology and process automation further reduce fabrication costs and maximizes overall process precision.

* Information listed above is at the time of submission. *

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