A spark plug comprising an insulator, on at least a part of a surface of the insulator being formed a marking layer and a glaze layer, wherein the marking layer is exposed on the surface of the insulator and has a composition as described herein.

 
Web www.patentalert.com

< Method for analyzing mass spectra

< Photoelectric conversion device, radiation detection apparatus, image processing system and driving method thereof

> Method and magnetic resonance tomography apparatus for spatially resolved measurement of the B1 field distribution

> Artifact removal from an electric signal
~ 00258