Patent · US Expired

Coating compounds for electrical and electronic components containing vitreons fused silica

US5158990A · kind A · utility

6Cited by

7References

10Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Heiner Bayer · Olching, DE
Barbara Lehner · Munich, DE
Hans-Peter Fritsch · Munich, DE
Kurt Wohak · Munich, DE

Key dates

Filing date	Jan 30, 1992
Grant date	Oct 27, 1992
Priority date	—
Expiry date	Jan 30, 2012

Classification

Technology area (CPC H)Electricity
CPC primaryH05K3/287
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

A drop coating compound in particular, for unhoused electrical and electronic circuits and components. The compound includes highly filled ultraviolet-curable epoxy resin compounds having improved properties with respect to their use and in comparison to previously used, predominantly two-component, thermally curable resins.

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