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IEEE Transactions on Components, Hybrids, and Manufacturing Technology

Issue 1 • March 1987

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Displaying Results 1 - 19 of 19
  • Foreword

    Publication Year: 1987, Page(s): 2
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    Freely Available from IEEE
  • Fretting Corrosion of Tin-Coated Electrical Contacts

    Publication Year: 1987, Page(s):68 - 74
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1000 KB)

    Fretting corrosion is one of the most important failure mechanisms for separable contacts with base-metal materials. The fretting corrosion behavior of a specific tin-coated connector contact has been investigated. A periodic relative displacement between the connecting parts was induced, while the contact resistance was monitored continuously. For various contact forces the experiments show a str... View full abstract»

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  • Pb-Sn Alloy Microstructure: Potential Reliability Indicator for Interconnects

    Publication Year: 1987, Page(s):82 - 88
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1704 KB)

    Investigation of the microstructure and chemistry of Pb-Sn alloy interconnects by scanning electron microscopy (SEM) and X-ray microanalysis shows that certain physical and chemical characteristics of the Pb-rich and Sn-rich phases are indicative of crack formation during temperature cycling. Those solder alloy interconnects that crack when temperature cycled exhibit significantly different micros... View full abstract»

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  • Sliding Monolithic Brush Systems for Large Currents

    Publication Year: 1987, Page(s):3 - 17
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2664 KB)

    An improved system for collecting and transferring electrical current between relatively moving parts, as in a homopolar machine, is described. The use of solid brushes for collecting or transferring current in systems involving relatively moving parts, such as motors or generators, has been proven reliable and reasonably efficient for many commercial and industrial applications. With recent advan... View full abstract»

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  • Monitoring, Controlling, and Resolving Connector-Related Concerns

    Publication Year: 1987, Page(s):18 - 23
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (976 KB)

    lnterconnection components like connectors, pins, and printed wiring board fingers are usually required to satisfy manufacturers and/or users specifications prior to being used. This entails monitoring such components for quality and, if necessary, controlling or resolving problems that arise. The following examples of such situations are discussed: 1) incoming material inspection procedures for m... View full abstract»

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  • Improved Contacts in Glass-Encapsulated Capacitors

    Publication Year: 1987, Page(s):103 - 106
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (624 KB)

    Ceramic chip capacitors hermetically sealed into glass sleeves are used extensively in the electronics industry. However, glass-encapsulated capacitors can loose contact at the termination lead wire. To improve the contact reliability, a brazing operation is suggested that coincides with the present sealing temperature of 720°C. For this purpose a nickel coating over the conventional terminat... View full abstract»

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  • An Electric Double-Layer Capacitor With Activated Carbon Fiber Electrodes

    Publication Year: 1987, Page(s):100 - 102
    Cited by:  Papers (17)  |  Patents (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (464 KB)

    An electric double-layer capacitor with activated carbon fiber (ACF) electrodes has been developed. The capacitor features ultrahigh capacitance (0.033 F-0.68 F) in a small thin structure (13.5-mm diameter x 8 mm or 21.5-mm diameter x 9 mm). A technique for carbonization and activation of the phenolic resin-based fiber and a plasma spraying technique for the metal electrodes enabled us to make the... View full abstract»

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  • Bouncing of Contacts Under Current Load(The Influence of Mechanical System Parameters and Load Current on the Closing Process of Electrical Contacts)

    Publication Year: 1987, Page(s):122 - 126
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (720 KB)

    The closing process of real contactor contacts with load current are described. The experiments were carried out while varying the parameters of the mechanical system of the real contactor and the load current. The experimental data analysis of the process· is given. The results of the statistical processing of the experiments are considered. View full abstract»

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  • Sliding Studies of New Connector Contact Lubricants

    Publication Year: 1987, Page(s):24 - 31
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1720 KB)

    A widely used lubricant for the contacts of separable connectors is a five-ring polyphenylether fluid. However, the heat to which electronic equipment can be continuously subjected due to increased packaging density and to elevated ambient temperatures may be beyond the limit of thin coatings of this fluid due to its volatility. A search for new lubricants was therefore initiated, and the first pa... View full abstract»

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  • Comparison of the Inherent Arc Erosion Behaviors of Silver-Cadmium Oxide and Silver-Tin Oxide Contact Materials

    Publication Year: 1987, Page(s):56 - 62
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1792 KB)

    Powder metallurgically produced silver-cadmium oxide and silver-tin oxide materials with equal volume percentages of oxide were electrically tested to evaluate and compare the effects of the different oxides on the arc erosion behaviors. The silver-tin oxide material had less steady-state erosion, better weld resistance, and higher contact resitance compared to silver-cadmium oxide. The eroded sur... View full abstract»

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  • Chip Alignment Templates for Multichip Module Assembly

    Publication Year: 1987, Page(s):111 - 121
    Cited by:  Papers (11)  |  Patents (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2496 KB)

    Future high-performance large-scale digital systems will increasingly require high-density multichip hybrid packaging techniques. Chip attachment by flip-chip mounting, as in the well-established eontrolled-collapse solder-bump contact approach, has several fundamental advantages over the more familiar wire-bonded hybrid assembly approach. However, testing of flip-chip mounted assemblies and repla... View full abstract»

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  • The Steady-State Analysis of Networks Containing Uniform or Nonuniform Distributed RC Structures

    Publication Year: 1987, Page(s):75 - 81
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (760 KB)

    A number of lumped models which have been used to simulate distributed RC networks have certain limitations. To overcome these limitations an exact model for inclusion into a nodal analysis program is proposed. The accuracy of this model is demonstrated and the incorporation of frequency-dependent dielectric loss into the model is discussed. The principal use of the model, in the simulation of tri... View full abstract»

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  • Mass Transport in Stationary Contact Points

    Publication Year: 1987, Page(s):89 - 99
    Cited by:  Papers (20)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1576 KB)

    Recent experimental work with direct current on aluminum-aluminum contacts has demonstrated that the electron flow through the narrow areas of real contact is accompanied by a flow of atoms. Three possible atomic transport mechanisms are considered: electromigration, thermotransport, and diffusion. Their relative contributions to the mass flow are derived based upon accepted models for spatial dis... View full abstract»

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  • A Study on the Thickness of Rhodium Oxide Film Produced by the Surface Deactivation Treatment of Rhodium-Plated Contact Reed Switches

    Publication Year: 1987, Page(s):42 - 46
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (456 KB)

    Surface deactivation treatment, i.e., oxygen treatment at high temperatures, was invented to prevent adsorption and catalysis of rhodium-plated contact surfaces. This oxygen treatment was also found to be effective to inhibit soft sticking, a kind of locking phenomena that is one of the most serious problems in the field of electrical contacts. So far, oxygen on rhodium-plated contact surfaces tre... View full abstract»

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  • Electronic Connector Contact Lubricants: The Polyether Fluids

    Publication Year: 1987, Page(s):32 - 41
    Cited by:  Papers (25)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1624 KB)

    The results of a search for connector contact lubricants which have higher service temperatures than a widely used fivering polyphenylether (5-PPE) fluid are reported in a companion paper and continued here. Comprehensive studies of the mechanisms of lubricant depletion and their applicability to fluid coatings were made. They show that the maximum service temperature to which contacts with a coat... View full abstract»

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  • Silver-Metal Oxides as Contact Materials

    Publication Year: 1987, Page(s):127 - 134
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1120 KB)

    After a short historical survey, the requirements for silvermetal oxide are explained. These requirements are compared with the technical contact properties of the materials, which are discussed for a large number of the most different silver-metal oxides with regard to · welding on make, · erosion on make, · temperature rise of closed contacts after a large number of switching oper... View full abstract»

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  • Fretting corrosion of Tin-plated copper alloy

    Publication Year: 1987, Page(s):63 - 67
    Cited by:  Papers (58)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (856 KB)

    The rise in contact resistance of a tin-plated copper alloy under cyclical minute motion has been studied for both dry circuit and with electrical loads. In the range of circuit voltage and current investigated, the electrical conduction through slightly corroded contacts is shown not to be affected by the electrical load. For moderately corroded contacts, the resistance characteristic shows a sus... View full abstract»

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  • In situ Examination of Segregation and Wear Processes of Precious Metal Electrical Contact Alloys

    Publication Year: 1987, Page(s):47 - 55
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1472 KB)

    The electrical contact resistance and friction coefficient of gold-based (ASTM B541) and palladium-based (ASTM B540) precious metal electrical contact materials have been measured simultaneously with au in situ pin-on-plate device in a scanning Auger analytical system. Intermittent surface analysis of the wear track was performed as wear of the contact surface progressed without repositioning of t... View full abstract»

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  • Problems Associated with Quality control Sampling in Modern IC Manufacturing

    Publication Year: 1987, Page(s):107 - 110
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (648 KB)

    Existing sampling plans are not very efficient in situations when a fraction of defective items is on the order of 0.0001. They usually command a 100-percent inspection, but it still does not provide for 100percent quality since in semiconductor manufacturing the inspection is never totally reliable and can easily introduce an error of almost the same order as the fraction of defectives. Skip-lot ... View full abstract»

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Aims & Scope

This Transaction ceased production in 1993. The current publication is titled IEEE Transactions on Components, Packaging, and Manufacturing Technology.

Full Aims & Scope