Patent · US Expired

Theft resistant circuit assembly

US5847650A · kind A · utility

23Cited by
49References
48Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 4, 1996
Grant dateDec 8, 1998
Priority date
Expiry dateOct 4, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2201/09309
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

Printed circuit boards and integrated circuit assemblies have security markers formed thereon by deposition techniques or affixed thereto, either directly or by prior encasement of the markers in a resin prior to such affixation.

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