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
Precision geolocation of moving or fixed transmitters using multiple observers
Method, system, and computer program product for scoring theoretical peptides
Superagonistic anti-CD28 antibodies
Post-processing device and image forming system
Electronic communication device
Sealing member for piezoelectric resonator device, and piezoelectric resonator device
Polymeric compositions including their uses and methods of production
  Randomly Featured Patents
Reloading device for metallic firearm cartridges
Automatic alignment of a synchronous data system using a local reference clock and external clock with an unknown delay between the two clocks
Full recovery reduced volume packaging system
Long life thin film battery and method therefor
Human echolocation system
Method and apparatus for thin film coating an article
Printer head driving apparatus improving printing speed
Wavelength monitor
Semiconductor device and method of manufacturing the same
Electrical connector device with a number of terminals