B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
117/114, 313/35.
B05D 5/12 (2006.01) H01C 17/065 (2006.01) H01J 29/62 (2006.01) H01J 29/86 (2006.01)
Patent
CA 1249954
PHN 11.330 12 ABSTRACT: The invention relates to a method of manu- facturing a device in which a homogeneous electrical resistance layer of a resistive material having a resistivity of at least 10 ohm.cm is formed on an insulating substrate. According to the invention a stable binder-free suspension containing ruthenium hydroxide and glass particles is provided on the insulating substrate from which a ruthenium oxide- containing electrical resistance layer is formed by heating. The method according to the invention may be used successfully, for example, in the manufacture of cathode ray tubes.
505471
Fetherstonhaugh & Co.
N.v.philips'gloeilampenfabrieken
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