Influence of Aluminum Coating Thickness on Automotive Lamps North American Lighting, Incorporated

Format:

Conference/Event

Author/Creator:

Vincens, Adam, author.

Conference Name:

SAE World Congress & Exhibition (2008-04-14 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2008

Summary:

Automotive lighting devices with reflective surfaces require high reflectivity for light collection and optimum photometric efficiency. The reflective surface is commonly aluminum applied by physical vapor deposition (PVD), id est an evaporative process or sputtering. The design and process of some reflective surfaces are such that certain areas of the target do not receive sufficient aluminum coating thickness. Reduced coating thickness results in decreased optical efficiency, and has led to increased thermal demands on the thermoplastic substrate. This paper seeks to quantify how reflectivity and substrate temperature are dependent on the thickness of the PVD metal coating, and thermal simulation tools are used to predict lamp temperatures for varying coating thickness of the reflective surface

Notes:

Vendor supplied data

Publisher Number:

2008-01-0488

Access Restriction:

Restricted for use by site license