Patent · US Expired

Process for producing ceramic substrates for microelectronic circuits

US4817276A · kind A · utility

5Cited by
5References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 2, 1986
Grant dateApr 4, 1989
Priority date
Expiry dateApr 2, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

A ceramic substrate for densely integrated semiconductor arrays which is superior in a coefficient of thermal expansion, dielectric constant, strength of metallized bond, and mechanical strength, comprising a sintered body composed essentially of mullite crystals and a non-crystalline binder composed of SiO.sub.2, Al.sub.2 O.sub.3, and MgO, is provided.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.