Silicon nitride heating body and method for manufacturing same

Silicon nitride heating body and method for manufacturing same

  • CN 101,747,045 A
  • Filed: 12/11/2008
  • Published: 06/23/2010
  • Est. Priority Date: 12/11/2008
  • Status: Active Grant
First Claim
Patent Images

1. a method of making silicon nitride heat generating body comprises the silicon nitride powder that mold pressing mixes, and comes unstuck then, high temperature sintering is cooled to room temperature, it is characterized in that, blank is come unstuck sintering in the sintering oven of 1450-1600 ℃

  • of nitrogen atmosphere in normal temperature compacting back at 300~

    450 ℃

    .

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