Patent · US Expired

Multilayer ceramic substrate structure

US3999004A · kind A · utility

37Cited by
4References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 1974
Grant dateDec 21, 1976
Priority date
Expiry dateSep 27, 1994

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2203/159
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

This is a microelectronic multilayer circuit structure having circuit compatibility encapsulated within the circuit package including conductive electrical interconnection means formed by uniquely metallizing the "via" and/or blind interconnection holes within the circuit package. The assembly process provides means of uniformly metallizing the interlayer connecting holes.

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