Electric lamp having a light reflecting layer

摘要

The reflector lamp has a selaed glass bulb (2') containing a lamp filament (2), or a discharge sleeve, and associated current leads (4') and provided with a reflective coating (6') over the area of the crown, or over all of its area except the crown. The reflective coating (6') has a high mechanical and chemical stabilising and pref. comprises titanium nitrite with a thickness of between 5nm and 100nm, applied via a vapour deposition process.