Abstract: A light emitting assembly includes a metal substrate for dissipating heat from the assembly. The metal substrate includes an electrically insulating layer or coating on at least one side. Circuit traces are applied to the electrically insulating layer using either thick or thin film techniques. At least the ends of the circuit traces include a metallic section to which leads of light emitting elements are soldered or wire-bonded. A metallic section is provided adjacent the light emitting element to transfer heat to the underlying substrate and/or to reflect light from the element away from the substrate. A clear finish retards tarnishing of the reflecting metallic section.

Abstract: A power resistor assembly includes an anodizable metal substrate, preferably an aluminum alloy, having an insulating anodized coating on at least one flat side. A resistive or partially conductive ink is screen printed on the anodized coating in a pattern to provide one or more resistors. The ink has a curing temperature below 660.degree. C. which is below the melting point of aluminum. The resistor assembly is a vehicular fan motor controller or an interior dimmer switch. The fan motor controller has resistor ends which are soldered with tin-lead solder.

Abstract: A vehicle fan motor controller includes a simple planar ceramic base providing a plurality of printed resistors. The resistors include electrically conductive paths printed on the ceramic overcoated with a thick resistive film. The thick film substantially covers the base to promote heat transfer to air moving in the fan duct in which the controller is placed. The thick film resistors are on both sides of the base to reduce overall size and improve heat transfer. A thermal fuse comprising a spring metal member held in a normally closed position by a meltable material opens in response to a predetermined high temperature.

Abstract: A machine for rolling and curving a metal backed rubber printing plate to conform it to the circumference of a printing cylinder. The machine includes a deflection bar having a longitudinal groove therein which accommodates and partly recesses a forming roller of small diameter. The bar is supported between a pair of clamping blocks which are pivotally mounted, means being provided to simultaneously swing the blocks to a predetermined degree to bow the bar and the roller held thereby. Cooperating with the forming roller is a large diameter driven roller of elastomeric material whose position relative to the forming roller is adjustable to define a nip for receiving the plate to be curved and for pressing the plate against the forming roller as it is conveyed through the nip to impart a desired curvature thereto, the bow formation of the forming roller producing a radius of curvature in the plate which gradually increases as one goes from the center to the outer edge thereof.