FIELD: application of coatings. SUBSTANCE: vacuum deposition apparatus contains vacuum chamber, evaporator, upper and lower guiding rolls and deviating rolls for tape transportation. As a result, wide tape (width larger than 150 mm) acquires columnar structure of coating with maximum porosity and no wrinkle-formation. Such result is caused by that working sections of tape are arranged in such a way that dip angle of flux onto foil is equal to 40-60 deg., whereas, on inlet and outlet of deposition region, dip angle equals up to 10 deg. Cylindrical surface of guiding rolls has chevron-shaped recesses. EFFECT: improved quality of coatings. 2 cl, 2 dwg
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