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Results 4821 - 4830 of 5149 for copper
  • Photovoltaics - Multijunction Cells
    Article - 8 Jan 2002
    Most PV's use single junctions which limit the amount of energy which can be converted into electricity. One way top get around this is to use two or more differenet cells or multijunction cells. How...
  • Friction Stir Welding
    Article - 7 Jan 2002
    Friction stir welding is a recent modification on friction welding. It is suited to aluminium, magnesium and other metals and can join dissimilar materials. Advantages over fusion welding are, no...
  • Gallium Arsenide - as a Photovoltaic Material
    Article - 4 Jan 2002
    Gallium arsenide is suited to use in solar cells due to its 1.43eV band gap, high absorptivity, insensitivity to heat and resistance to radiation damage. Drawbacks, opprtunities, high-efficiency...
  • High Temperature Superconducting (HTS) Wires
    Article - 4 Dec 2001
    HTS wires can potentially increase power density, quality and reliability in electrical power systems. The benefits to society are enormous. Benefits, future demands and HTS applications in power...
  • Ceramic Joining - An Overview
    Article - 29 Nov 2001
    Although ceramics have many beneficial properties, all-ceramic machines are rare, hence, the joining of ceramics to other materials is a vital technology. Methods vary from simple to mechanical means...
  • Vinyl Roofing
    Article - 7 Nov 2001
    Vinyl roofing offers a clean, quick and safe alternative to built up roof designs, while many existing roofing systems involve a flexible vinyl membrane.
  • Vinyl (Poly Vinyl Chloride) in Automotive Applications
    Article - 5 Aug 2021
    Vinyl has many uses in cars and is used for several reasons. This article covers some of its uses.
  • Zinc and its Uses
    Article - 28 Aug 2001
    Zinc has many uses, many of which revolve around protective coatings for steel deposited by hot dip galvanising. These materials are ised in the automotive and construction industries. While the...
  • Diamond-Like Carbon Coatings
    Article - 31 Jul 2001
    Diamond-like coatings are carbon films with high hardness, high resistivity and dielectric and optical properties. Deposition by plasma CVD, ion beam and closed field unbalanced magnetron sputter ion...
  • An Insight to Magnesium (Mg)
    Article - 29 Jul 2001
    Black was the first person to recognize magnesium (Mg) as an element in 1755. Later, in 1808, Davy isolated this element by evaporating mercury from a magnesium amalgam.

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The Current State of the Global Semiconductor Market

The Current State of the Global Semiconductor Market

The global semiconductor market has entered an exciting period. Demand for chip technology is both driving the industry as well as hindering it, with current chip shortages predicted to last for some time. Current trends will likely shape the future of the industry, which is set to continue to show

How are Graphene Batteries Made?

How are Graphene Batteries Made?

The primary distinction between graphene-based batteries and solid-state batteries lies in the composition of either electrode. Although the cathode is commonly changed, carbon allotropes can also be employed in fabricating anodes.

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