Resources Contact Us Home
Aluminum nitride heater

Image Number 2 for United States Patent #6084221.

A ceramic heater includes a substrate (1) consisting of an aluminum nitride sintered body, and a heating element (2) and a feed electrode (3), mainly composed of silver or a silver alloy, formed on a surface of the substrate (1). The aluminum nitride sintered body contains a group IIa or IIIa element in the periodic table or a compound thereof and silicon or a silicon compound of 0.01 to 0.5 percent by weight in terms of the silicon element, and preferably further contains a group VIII transition element or a compound thereof by 0.01 to 1 percent by weight in terms of the element.

  Recently Added Patents
Video reproducing apparatus and video reproducing method
Multi-domain dynamic group virtual private networks
Tube lighting fixture
Canopy light fixture
White polyester film and surface light source therewith
Frame timing synchronization in a geostationary satellite system
Power management implementation in an optical link
  Randomly Featured Patents
Spell check device with display
Lamp lens
Desktop charger/desktop stand
Method of forming thin thermoplastic elements of complex curvature
Ion solution concentration-detecting device
Process and installation for producing reinforcement wire meshes
Terbium activated silicate luminescent glasses
Device and methods for treating canker sores by RF ablation
Method for laser cutting metal plates
Polyester resin composition