IEEE Transactions on Parts, Hybrids, and Packaging

Issue 1 • March 1972

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Displaying Results 1 - 7 of 7
  • Who's Who in G-PHP

    Publication Year: 1972, Page(s): 2
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    Freely Available from IEEE
  • Foreword

    Publication Year: 1972, Page(s): 3
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    Freely Available from IEEE
  • The Effect of Additives from Groups IA and IIA on the Morphology and Properties of Silver-Cadmium Oxide Contacts

    Publication Year: 1972, Page(s):16 - 25
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1112 KB)

    This paper presents a detailed description of the effect of single additive elements selected from Group IA and Group IIA of the Periodic Table on the microstructure and other physical and electrical properties of Ag-10 CdO contact materials produced by internal oxidation of silvercadmium alloys. The additive elements studied in this investigation were lithium, beryllium, magnesium, calcium, stron... View full abstract»

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  • Nondestructive Ultrasonic Inspection of Braze Bonds in High Current Electrical Contact Assemblies

    Publication Year: 1972, Page(s):26 - 34
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1320 KB)

    Ultrasonic techniques are being increasingly used for nondestructive testing and quality control of bonds between the electrical contacts and the support members of the contact assemblies. The state-of-the-art of this valuable tool is analysed and discussed from a control standpoint. Two ultrasonic techniques, namely, the delayed pulse echo and the through-transmission, are described and discussed... View full abstract»

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  • The Effect of Electrode Material on the Initial Expansion of an Arc in Vacuum

    Publication Year: 1972, Page(s):35 - 47
    Cited by:  Papers (42)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1720 KB)

    A theory of electrode controlled arc expansion is developed in terms of the finite time it takes for the current path in the electrodes, to change from the highly constricted state during the molten bridge stage, to the less constricted state of the fully developed arc. This theory gives satisfactory agreement for vacuum arc expansion rates when freshly prepared electrodes are used. The expansion ... View full abstract»

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  • Electric Contact Phenomena in Ultra Clean and Specifically Contaminated Systems

    Publication Year: 1972, Page(s):4 - 15
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1216 KB)

    Contact resistance has been used to characterize the processes of physical contact in metallic systems with ultra clean surfaces. The contact resistance versus load curves of iron and two cobalt alloys were used to demonstrate the existence of surface work hardening and interfacial creep during contact as well as the fracture characteristics of an interfacial junction as the load is removed. The p... View full abstract»

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  • Micro-Mechanisms of Solderless Wrapped Joint Formation

    Publication Year: 1972, Page(s):48 - 62
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract |PDF file iconPDF (1704 KB)

    The manner in which the various surfaces interact during wire wrapping, and the structure at the contact sites in the completed joint, have received only cursory attention. This paper describes an investigation designed to elucidate these phenomena using metallographic, scanning electron microscopic and electron microprobe analysis techniques. Series of joints made under known sets of parameters a... View full abstract»

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Aims & Scope

This Transaction ceased production in 1977. The current publication is titled IEEE Transactions on Components, Packaging, and Manufacturing Technology.

Full Aims & Scope