RELIABILITY OF WELDED ELECTRONIC CONNECTIONS

Abstract

In four life tests, run to determine the reliability of welded electronic connections, measurements for joint resistivity and joint strength were made on each of several sets of samples. Respectively, the tests involved nickel ribbon welded to 24 buss wire, nickel strap to Kovar transistor welds, and nickel ribbon to 1/4 watt resistor leads (RC07GF). Some of these tests were in the open while others were run under 95 relative humidity for both cleaned and salted samples. A dc current was passed through the samples to accelerate joint failure. After a total of 6.9 x 10 to the 6th power weld hours of life test, no joint failures were recorded. Moreover, no gross joint deterioration occurred.

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Document Details

Document Type
Technical Report
Publication Date
May 23, 1962
Accession Number
AD0278350

Entities

People

  • Mark Hurowitz

Organizations

  • Sylvania Electric Products

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Assembly
  • Electrodes
  • Electronic Equipment
  • Energy
  • Environment
  • Failure Mode And Effect Analysis
  • Government Procurement
  • Heat Balance
  • High Humidity
  • Humidity
  • Joints
  • Life Tests
  • Materials
  • Pull Tests
  • Reliability
  • Resistance
  • Welded Joints

Readers

  • Metallurgy
  • Software Engineering
  • Thermal Physics or Thermal Science.

Technology Areas

  • Microelectronics