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Method for deposition of diamond-like carbon and silicon-doped diamond- like carbon coatings from a hall-current ion source
Method for deposition of diamond-like carbon and silicon-doped diamond- like carbon coatings from a hall-current ion source
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机译:从霍尔电流离子源沉积类金刚石碳和掺硅的类金刚石碳涂层的方法
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摘要
A unique Hall-Current ion source apparatus is used for direct ion beam deposition of DLC coatings with hardness values greater than 10 GPa and at deposition rates greater than 10 per second. This ion source has a unique fluid-cooled anode with a shadowed gap through which ion sources feed gases are introduced while depositing gases are injected into the plasma beam. The shadowed gap provides a well maintained, electrically active area at the anode surface which stays relatively free of non- conductive deposits. The anode discharge region is insulatively sealed to prevent discharges from migrating into the interior of the ion source. A method is described in which a substrate is disposed within a vacuum chamber, coated with a coating of DLC or Si- DLC at a high deposition rate using a Hall-Current ion source operating on carbon- containing or carbon-containing and silicon-containing precursor gases, respectively. The method is particularly advantageous for producing thin, hard, wear resistant DLC and Si-DLC coatings for magnetic transducers and media used for magnetic data storage applications.
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