Low temperature fired ceramics

Abstract

Abstract Low temperature fired ceramics produced by firing at a low temperature a mixture consisting of; in weight percentages: (a) 50 to 65% of powder glass consisting of 10 to 55% of CaO, 45 to 70% of Si0 2 , O to 30% of A1 2 03 and up to 10% of impurities; and (b) 50 to 35% of powder A1 2 O 3 containing up to 10% of impurities. The glass component (a) may further contains B 2 0 3 up to 20% based on the total weight of the former glass-forming components. The ceramics exhibit excellent thermal conductivity, high mechanical strength, low thermal expansion and small dielectric constant and such advantageous combination of properties make them useful in many applications, more especially highly suited to the use as substrate of various electronic parts, components or multilayer integrated circuits Also, since the ceramics can be prepared at lower firing temperatures and a higher heating rate, the production cost and time can be advantageously saved.

Inventors

• 👤 Susumu Nishigaki
• 👤 Shinsuke Yano
• 👤 Shirohito Matsuyama

Bibliographic Details