Abstract: In a continuous electrolytic foil forming process employing a constant d.c. voltage power supply, the speed with which the foil is drawn through the electrolyte is automatically adjusted by a feedback mechanism to maintain a constant value of forming current. In this process, the speed of drawing the foil corresponds inversely to the potential capacity of the foil as it enters the electrolyte at any given time. This speed or equivalent capacity and the corresponding location of the foil is monitored and recorded during the continuous film forming process.

Abstract: A long metal lead frame strip is wound onto a reel with a plastic ribbon interleaved therein to separate adjacent turns of the strip on the reel. The reel is subsequently submersed in an immersion plating solution. Metal ions of the plating solution displace metal atoms at the surface of the strip to form a uniformly thick plating thereon, even in areas that are contacted by the spacing ribbon.

Abstract: A low temperature fired glass-ceramic system encompassing a series of temperature compensating bodies having temperature coefficients that cover a wide range and possessing dielectric constants of from 30 to 125. This system consists of a mixture of a prefired blend of baria, titania and rare earth oxides, and a low firing glass formulation wherein the mixture is fired within the temperature range of 1,800.degree. F to 2,100.degree. F. A slip suspension of this mixture can be used to manufacture monolithic capacitors that utilize a relatively inexpensive palladium-silver electrode.

Abstract: A monolithic ceramic capacitor having base metal electrodes is described that meets the standard TCC limits of .+-. 15% from -55.degree. C to 125.degree. C. The ceramic includes small quantities of acceptor dopants, particularly manganese added to barium titanate and an alkali-earth-metal-zirconate. When fired from 1250.degree. C to 1400.degree. C in a partial oxygen atmosphere of 10.sup..sup.-7 to 10.sup..sup.-9 atmospheres of oxygen, a liquid phase sintering occurs during which the titanate-zirconate grains do not grow and there is formed a concentration gradient of the zirconate near the grain surfaces while a liquid manganese titanate forms a second and immiscible phase in the grain boundary regions.

Abstract: A method is described for continuously assembling transistors to a lead frame, capable of high speed production by automatic machinery. A carrier ribbon bearing transistor chips is fed to a work station to which a lead frame is also fed at about right angles thereto. The carrier ribbon end portion bearing one transistor is welded to a terminal of the lead frame and cut to separate it from the remainder of the ribbon. Lead frame strips bearing at least 10 transistors are separated from the remainder of the lead frame and placed in a multi-cavity mold for individually encapsulating the transistors.

Abstract: Each of at least four electrolytic capacitor packages contains a convolutely wound valve-metal foil capacitor section having package leads connected to tabs that contact the foils in a central region thereof. The package leads extend from one face of each package, and are threaded through holes in a double-sided printed wiring board that serves as a stripline. The anode leads are connected to one metal face of the stripline and the cathode leads to the other, the metal on each face of the stripline covering a major portion of the insulating board. This combination of simple centrally connected foil-type capacitors being connected by means of very short leads to a stripline provides a low impedance multiple capacitor assembly having good high frequency performance and low cost.

Abstract: A solid electrolyte tantalum capacitor comprises a porous tantalum body, a tantalum oxide film grown over the surfaces of the body, and an overlying coating of manganese dioxide wherein a conducting member is partially embedded. The conducting counterelectrode member is of a base metal such as nickel being plated with a noble metal such as gold. Alternatively, the conducting member is a base metal having an adjacent layer of graphite interposed between said base metal and said manganese dioxide. An extended portion of the conducting member serves as the cathode lead.

Abstract: A motor start and run system for a single phase motor provides a predetermined period for starting the motor during which power is delivered to a start winding of the motor. It also provides a time delay after the motor is deenergized before the motor may be restarted. These two control times are essentially determined by thermal time constants associated with a package having two PTCRs. These two PTCRs are thermally coupled and have different anomaly temperatures. A dual-PTCR package is also disclosed for use in said motor start system having provision for strongest thermal coupling with the environment for the PTCR having the higher anomaly temperature.

Abstract: A radiation locator apparatus includes a tuned or tunable radio receiver having an automatic gain control (AGC) circuit that provides a d.c. signal having an amplitude that is a function of the strength of the received radiation. A free running voltage controlled oscillator (VCO) is connected to earphones and produces a sound pitch that varies as a function of the magnitude of the d.c. (AGC) signal. An increase in the sound pitch may indicate an increase in the strength of the radiation received. When the locator is transported in a direction toward the source of radiation, the pitch increases thus guiding the operator to the source. The range of audible pitch may be extended by employing a pulse generator type of VCO since pulse repetition rates less than ten pulses per second are audible as spaced clicks that are equivalent to an extra low range of pitch.

Abstract: In a continuous electrolytic foil forming process employing a source of constant d.c. voltage, the speed with which the foil is drawn through the electrolyte is automatically adjusted by a feedback mechanism to maintain a constant value of forming current, thereby producing an oxide film whose thickness is substantially invariant over the entire length of the foil.

Abstract: A method for making a solid electrolyte capacitor comprises forming a dielectric film on a porous valve-metal pellet, impregnating the pellet with a manganese salt and pyrolyzing, applying to the pellet a thixotropic coating of manganese salt, immersing the wet coated pellet into a fluidized bed of coarse manganese dioxide particles, pyrolyzing the coating and depositing on the rough surfaces of the coating a tightly bonded counterelectrode.

Abstract: A semiconductor integrated circuit includes an integrated resistor body of one conductivity type being contained in a lightly doped pocket of the opposite conductivity type. A metal contact is made to a surface portion of the lightly doped pocked forming a Schottky diode. The metal contact is connected to the hot (Vcd) power supply terminal and thus the diode is normally forward biased. When the power supply is inadvertently reversed, the Schottky diode is reverse biased and prevents destructive currents from flowing in a forward biased p-n isolation junction between the substrate and the pocket.