Abstract: A capsule of ink-like paste is dispensed in a rectangular layer a few mils thick and a few hundreths of an inch in width and breadth on an insulating chip by a piston and nozzle assembly. The piston is driven by a stepping motor-screw assembly to dispense an accurately metered amount of the ink to establish a resistance value. The nozzle and chip are relatively moved by a stepping motor-screw assembly. An electronic control circuit operates the two stepping motors simultaneously to lay down resistors.

Abstract: Electrolytic timer capsules disclosed herein are of the type having an anode filament ruptured by electrolytic action at a known end-of-life time. These capsules are identified by a configuration of housing and electrodes that concentrates electrolytic action on a known portion of the filament anode to produce the rupture which is detectable between two extending lead terminals of the filament. Thus, the anode or cathode and surrounding electrolyte body is shaped to concentrate the electric field and ion migration patterns at the specified location at which rupture occurs. Hermetic sealing of the electrolyte within the capsule is afforded by clamping a resilient surrounding insulating body forming together with the cathode a compartment for receiving the electrolyte solution by indenting the metallic cathode electrode forming with the insulating body a hermetically-sealed, low-cost, dispensible, timer capsule.

Abstract: An electrolytic timer capsule is constructed of an outer cylindrical closed end case and an inner insulated upside down cup enclosing an electrolyte solution. The case comprises one electrode and the other is a U-shaped wire with an intermediate thin coined section immersed in the electrolyte solution.