Patent ID: 6016034
Filing Date: 2000-01-18
Classification: H01J

Abstract:
A getter device having a supported thin layer of getter material formed by a method comprising:preparing at least one suspension comprised of non-evaporable getter (NEG) material particles in a dispersing medium, said NEG particles having a particle size not greater than about 150 .mu.m, said dispersing medium having an aqueous, alcoholic, or hydroalcoholic base and containing not more than about 1 wt % of organic compounds having a boiling temperature of at least about 250.degree. C., wherein a ratio of a weight of said NEG material particles to a weight of said dispersing medium is between about 4:1 and about 1:1;depositing at least one layer of said suspension on a carrier by a serigraphic technique;drying said at least one deposited layer to evaporate volatile components of said dispersing medium and thereby form a dried deposit; andsintering said dried deposit under vacuum at a temperature between about 800.degree. C. and about 1000.degree. C. with a surface of said dried deposit covered with a refractory material to inhibit scaling, whereby a layer comprised of NEG material supported on said carrier is obtained.