Abstract: A hand-held, trigger-actuated tool heats solder to be removed from a workpiece and draws the melted solder into the distal tip of the tool by vacuum. From the tip, the molten solder is drawn into a relatively large diameter, thin-walled, extended tube in which the solder hardens into pellets which may be removed as required by removing a plug in a chamber at the near end of the tube. A solenoid in the handle of the tool operates a plunger in a cylinder which communicates with the top of the chamber through a duct. The plunger has a one-way valve in its head which has a sealing disk which "floats" in the head, and on the return stroke of the plunger permits air trapped in the cylinder head to escape.

Abstract: Novel glassy metal alloys and the brazing of metal parts employing a homogeneous ductile filler metal foil of these alloys is disclosed. The glassy metal alloys have a composition consisting essentially of 5 to 40 atom percent nickel, 15 to 20 atom percent phosphorus with the balance being copper and incidental impurities. These alloys can be produced in the form of foil useful for brazing metal articles, particularly articles composed of copper and copper alloys.

Abstract: Brazing of metal parts employing a homogeneous, ductile, filler metal foil is disclosed. The brazing foil, useful for brazing stainless steels, has a composition consisting essentially of 0 to about 4 atom percent iron, 0 to about 21 atom percent chromium, 0 to about 16 atom percent boron, 0 to about 19 atom percent silicon, 0 to about 22 atom percent phosphorus and the balance nickel and incidental impurities. In addition to containing the foregoing elements within the above-noted composition ranges, the composition must be such that the total of iron, chromium and nickel ranges from about 76 to 84 atom percent and the total of boron, silicon and phosphorus ranges from about 16 to 24 atom percent. The ductile foil permits fabrication of preforms of complex shapes which do not require binders and/or fluxes necessary for brazing powders presently used to braze stainless steels and nickel base alloys.

Abstract: A solder bath apparatus includes an outer open-ended vessel for containing molten solder and an inner open-ended vessel provided inside the outer vessel and adapted for forming thereon an overflowing layer of molten solder. A conduit member is connected at one end thereof to the bottom portion of the inner vessel and opens at the other end into the outer vessel. A feeding member, preferably, a rotating propeller, is provided in the conduit member for continuously feeding molten solder from the outer vessel to the inner vessel. A plate member is located in the upper portion of the inner vessel and has an opening along one side of the inner vessel to let the molten solder coming from the conduit to the inner vessel flow out only through the opening so that the overflowing layer is formed on the plate member and runs mainly in the direction away from the one side wall and toward the opposite side wall thereof.

Abstract: A method is provided for thermo-compression diffusion bonding respective structured copper strain buffers directly to each of the two major opposed surfaces of a substrateless semiconductor device wafer having a beveled outer edge surface. A selected portion of each strain buffer axially aligned with a like portion of the other strain buffer is diffusion bonded to the wafer while subjecting the wafer only to substantially compressive force so as to avoid wafer fracture. The lateral extent of each strain buffer is less than that of the respective wafer surface in contact therewith, allowing the beveled surface to be cleaned and passivated prior to attachment of the strain buffers to the wafer via diffusion bonding.

Abstract: Brazing of metal parts employing a thin, homogeneous, ducticle, filler metal foil is disclosed. The brazing foil, useful for brazing stainless steels, is less than about 0.0025 inch thick and has a composition consisting essentially of 0 to about 4 atom percent iron, 0 to about 21 atom percent chromium, 0 to about 19 atom percent boron, 0 to about 12 atom percent silicon, 0 to about 22 atom percent phosphorus and the balance nickel and incidental impurities. In addition to containing the foregoing elements within the above-noted composition ranges, the composition must be such that the total of iron, chromium and nickel ranges from about 76 to 84 atom percent and the total of boron, silicon and phosphorus ranges from about 16 to 24 atom percent. The ductile foil permits fabrication of preforms of complex shapes which do not require binders and/or fluxes necessary for brasing powders presently used to braze stainless steels and nickel base alloys.

Abstract: A method of providing tubes of the type intended primarily for use in boilers with a variably rifled interior surface. The function of the latter surface is to create turbulence within the tube operative to break up the laminar flow of the water or steam flowing therethrough so as to thereby promote more efficient heat transfer during steam generation and so as to minimize the susceptibility of the tube to overheat due to the effects of nucleate boiling.

Abstract: Carriers each holding a printed circuit board are conveyed successively through a soldering zone to dip each printed circuit board into molten solder contained in a vessel. The vessel is disposed between a pair of laterally spaced apart track members which are engageable with two front and two rear wheels of the carrier to support the carrier and the printed circuit board generally in the horizontal state throughout the movement thereof along the track members. Each track member has a first and a second depression at such locations that the two front and the two rear wheels can simultaneously be positioned in the first and second depressions, respectively. Each depression has a depth sufficient to permit the printed circuit board to be dipped into the molten solder when the four wheels travel therealong.

Abstract: Apparatus for the continuous production of half hard copper tubing wherein the copper tubing is fed from a roll to a tube storage means in which a continuous length of tube is stored in one or more lengths in such a manner that the front end of the tube can be drawn rapidly from the storage means while the tail end of the tube remains stationary, a movement of the tail end of the tube is arrested, the front end of a further coil of tubing is joined to the stationary tail end of the tube in the storage means as the front end of that tube is fed forward, and the movement of the tail end of the tube restarted. The above operation is carried out while feeding tubing from the storage means continuously and sequentially through an induction annealing furnace, through quenching means and thereafter to a draw finishing or coiling line.

Abstract: A one-piece astigmatic lens is formed in a grid by lancing a section threeof, coining the lanced section to a dimension wider than the trough formed by the lanced section and providing a beam aperture in the lanced and coined section.

Abstract: A method of manufacturing a yoke and tube arrangement utilizes a forged yoke having an attaching collar with an unmachined outer conical surface. A tube is pressed on the conical surface wedging the tube end radially outward inducing residual compressive stresses and forming a natural fillet. The tube and yoke are then fillet welded together.

Abstract: A tool for use in applying a soft steel wire clamp, having a hook at one wire end through which the tail end of the wire extends to form an constrictable annulus of at least one loop, has a nose portion for engaging the wire loop, a lengthwise channel extending rearward of the nose portion in alignment with a bore in the rear portion to enable the tail to be gripped by a pulling device for constricting the loop, and a hook engaging pawl pivotally mounted in a position to swing along a path over the channel from a first remote position into a fixed position close thereto; whereby, with the tail of a clamp extending lengthwise of the channel and through the bore and the loop portion adjacent the hook in engagement with the tip of the nose portion, the actuation of the pulling device, while contracting the loop, causes relative arcuate movement between the loop and the tail such that the proximate portion of the tail is lifted from the channel and bends about the hook whereupon further actuation of the pulling d

Abstract: Apparatus for tensioning wire, such as wire loops applied over a braided wire sleeve forming a sheath for an electrical cable splice. The tensioning apparatus comprises an jack rod and jacking mechanism of known construction, a first wire clamp fixed to the based end of the jack rod, and a second wire clamp assembly slidably mounted on the jack rod opposite the jacking mechanism from the first wire clamp whereby the jacking mechanism may be operated to spread the lapped ends of a wire loop to tighten the loop.

Abstract: The structure and the process for making a metallic sandwich structure in which metal worksheets, preferably made from titanium alloy, are joined in a preselected pattern by an intermittent or discontinuous weld. The joined sheets are sealed by a continuous weld to form an expandable envelope. Application of inert gas pressure to the envelope in a limiting fixture superplastically produces the sandwich structure as the expanded structure diffusion bonds to itself or other worksheets. Core configuration of the structure is determined by the intermittent weld pattern. Face sheets of the sandwich structure may be formed from one sheet of the envelope or may be inserted in the limiting fixture and the envelope expanded against the face sheets. Additionally, the face sheets may be preformed or formed concurrently with the core to produce the desired core and sandwich shape in a single operation.

Abstract: A gas discharge display panel may be used for display purposes despite the presence of open conductors in the panel. Four termination areas, each including a plurality of repair pads are provided, one at each end of each of the two conductor arrays in the panel. One end of each conductor in each array is connected to a respective repair pad in the adjacent termination area. A repair cable having a plurality of conductors runs from the termination area at one end of a conductor array to the termination area at the other end of the array. To repair an open, opposite ends of a respective repair cable conductor are connected to the open conductor's repair pads.By virtue of the connection of the opposite ends of a repair cable conductor to the open conductor's repair pads, both ends of the open conductor are electrically connected. When an open conductor is energized at one end, the entire body of the open conductor is at the same electrical potential despite the presence of the open.

Abstract: A system for automatically fabricating and bonding semiconductor devices using lead frames and semiconductor chips, which comprises means for supplying a continuous strip of lead frames, an automatic die bonder for mounting semiconductor chips on the lead frames and forming sheets thereof, buffer means for temporarily storing the sheets formed of the lead frames and semiconductor chips mounted thereon, and at least one automatic wire bonder, all of these apparatuses being arranged in a line. The sheets are automatically and successively fed from the automatic die bonder to the buffer means and from the buffer means to the automatic wire bonder by means of a series of automatic conveyor mechanisms.

Abstract: An assembly system for assembling microcomponents of semi-conductor or other electronic devices includes on a unitary machine frame the tooling for precision excising tape mounted microcomponents, precision forming their electrical leads, placement of the components in correct registration with conductors on a pre-positioned substrate, and bonding the formed leads to the conductors. Bonding is conducted by clamping the leads to the conductors at the bond site, moving a heated anvil into contact with a heat conductive path to the bond site and withdrawing the heated anvil while maintaining the clamping.

Abstract: A spindle for an axle is capable of supporting a vehicle wheel which is rotatably mounted thereon. The method for forming such a spindle includes providing a hollow tubular blank having a generally uniform external diameter and wall thickness and forming the blank to generally reduce its diameter to thereby provide a pair of axially separated wheel bearing mounting regions for supporting the vehicle wheel. A portion of the blank inwardly of the inner bearing region is provided a frusto-conical outer surface. A collar having an inner surface to match the taper of the frusto-conical surface is installed thereon for providing an axial stop for the adjacent bearing. Several alternative methods are provided for securing the collar thereon.

Abstract: An automatic apparatus for soldering jump rings conventionally used in chain jewelry. The apparatus includes a fixture in which at least one and preferably a plurality of laterally oriented grooves are disposed in the upper face of a heat resistant fixture which in turn is adapted to move longitudinally with respect to a frame which supports the fixture. In addition to the laterally oriented grooves, at least one and preferably a pair of longitudinally oriented grooves are disposed in the face of the fixture in intersecting relation to said lateral grooves.

Abstract: A wire vibration damping device for use in coil winding machines of the wind and shed type. The device comprises a guide rail which partially or completely encircles the coil form and is connected to the structure which supports the coil form by means of a plurality of downwardly depending guide posts. The guide rail is supported from above the winding plane and includes a downwardly facing lower edge which is located slightly above the winding plane yet sufficiently close to it that it deflects excursions of the wire above the winding plane as it is fed from the flyer thereby damping oscillations of the wire which would otherwise cause improper shedding off the coil form. The support posts for the guide rail are clamped within a bracket mounted to the lower portion of the support structure for the coil form and are vertically adjustable relative thereto so that the position of the guide rail can be fine tuned to ensure optimum damping of the wire oscillations.