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Imasa at fore front of shielding skills

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Describes 'Enplate Ni 425' (semibright) and '-426' (heavy deposition) electroless Ni plating processes, and 'Enshield' and 'Enshield Plus' electroless Cu + Ni processes for EMI RFI shielding.

IMB 2000 - International Clothing Machinery Show

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Textile & clothing machinery where surface coatings are critical, e.g hard coatings on sewing needles where hardness (diamond) up to 10,000 HV is shown. Cutting edges & working with industrial textiles, e.g automotive or aerospace, is also featured.

IMF Presidential address.

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Incoming president lays out his hopes and aspirations for the development of the Institute.

IMF Symposium report - environmental health & safety legislation

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Themes incl. COSHH and compliance. The threshhold value of 30 cubic meters tank volume is crucial.

Imidazole Containing Silanes & Their Use for Metal Surface Treatment

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Imidized thin films Prepared by Reactive Magnetron Sputtering of Polyimide Targets

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Thin films were prepared by reactive magnetron sputtering of polyimide (Kapton) targets using Ar-N 2 discharge gas mixtures. Mass analysis of ions in the discharge space showed that the masses indicating a monomer of polyimide or an imide base were not observed. The compositions of the films investigated by XPS were nitrogen-rich. In the spectra of FTIR, two wide spread peaks corresponding to expansion/contraction mode and angle variation mode of imide or amide base were observed. The thermal stability of the films was relatively inferior to that of bulk Kapton but the wear characteristics of the films were remarkably excellent. The relative dielectric constant of the films adjustable by controlling the N 2 gas content in the discharge gas and became 3 or less.

Imidized thin films Prepared by Reactive Magnetron Sputtering of Polyimide Targets

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Thin films were prepared by reactive magnetron sputtering of polyimide (Kapton) targets using Ar-N 2 discharge gas mixtures. Mass analysis of ions in the discharge space showed that the masses indicating a monomer of polyimide or an imide base were not observed. The compositions of the films investigated by XPS were nitrogen-rich. In the spectra of FTIR, two wide spread peaks corresponding to expansion/contraction mode and angle variation mode of imide or amide base were observed. The thermal stability of the films was relatively inferior to that of bulk Kapton but the wear characteristics of the films were remarkably excellent. The relative dielectric constant of the films adjustable by controlling the N 2 gas content in the discharge gas and became 3 or less.

Iminodiacetonitrile mirror-back coating corrosion inhibitor

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Mirror with glass substrate and metallic coating to which is applied fluid organic resin coating system, incl. specified corrosion inhibitor.

Imitation gold plating and troubleshooting of coating tarnish.

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Imitation gold plating can produce light lustrous deposits including Cu-Zn binary alloy and Cu-Zn-Sn ternary alloy, and has bright luster. The process flow, six kinds of different process formulas, the function of each bath composition and the effects of operation conditions on coating luster were introduced. The situtations where tarnish of imitation gold deposit happens in some instances were explained: Improper operation leading to change in coating luster; the plated workpiece has normal luster as it is taken out of the bath, but becomes foggy after being cleaned; change in the luster of imitation gold deposit to light green in 3-4 h due to poor water quality, and etc. The causes of coating tarnish in all the instances mentioned above were analyzed and respective methods for eliminating these tarnish troubles were given. In order to obtain acceptable imitation gold deposit with stable luster, the bath compositions and operation conditions must be strictly controlled.

Imitation Model for Predicting the Lifetime of Paint Coatings

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Imitation model for predicting the lifetime of paint coatings

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Imitiation Gold coloring of aluminum alloy by chemical oxidation

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A process for gold imitated coloring of aluminum alloy by chemical oxidation was advanced. Formula and operating parameters of the process were optimized by orthogonal test. The process has strengths such as low cost, easy operation, little environment pollution, and bright commercial prospects.

Immediate customer payback' scheme for precious metal recovery unit

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Describes precious metals recovery unit 'Electromatic' (Pollution Control Ltd., PO Box 404, Halesfield 20, Telford, Shrops.).

Immersed Current Feeder for Continuous Electroplating of Strip

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Immersion & Spray Etching of Tungsten & Molybdenum. Pt 1. Basic Principles & Major Parameters

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The position of Mo & W in the Periodic Table is shown. The chemistry of ferricyanide etching is shown in terms of equations in solid & liquid phases and at the interfacial boundary. Diffusion layer profiles are depicted. Numerous graphs show effect on etch rate of temp. alkali, ferricyanide conc'ns. Surface roughness meas'ts using stylus (profilometer) and laser beams are compared. Conditions for etching and chemical polishing are mapped. 4 refs.