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
Digital X-ray detector arrangement and digital X-ray imaging method
Electronic product design
Scoring users of network based users
Neurostimulation system
Apparatus for generating electrical energy from rocking activated energy
Processor and data transfer method
  Randomly Featured Patents
Wheel lever landing gear
Thermal compensation of pressure measurements
Electrostatic weft detector
Reflective liquid crystal display device
Point in polyhedron
Glass fibers having fumed silica coating
Polythiol effect, curable monoalkenyl aromatic-diene and ene composition
Exhaust flow calibration apparatus and method
Detergent dispenser