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| Number | Title | Issue Date |
| 7515694 | Apparatus for personalizing computerized customer service A method for improving user satisfaction with automated response computer driven systems is provided. In one embodiment the automated computer system utilizes a Web browser accessing at least a Web site. In another embodiment, the automated computer system is a tele... | 04/07/2009 |
| 5185811 | Automated visual inspection of electronic component leads prior to placement A method and apparatus utilizing one or two cameras are described for visually inspecting a polygonal component located at the end of the robotic end effector for determining presence, position and orientation of component leads prior to placement. Image ... | 02/09/1993 |
| 5133053 | Interprocess communication queue location transparency A system for an efficient message handling technique implemented in AIX, an operating system derived from UNIX System V, is described for use in a distributed services network include a plurality of multi-processing, multi-tasking nodes among which interp... | 07/21/1992 |
| 5086478 | Finding fiducials on printed circuit boards to sub pixel accuracy A method is disclosed for determining the presence and position of fiducials on the surface of a printed circuit substrate in grey level images to sub-pixel accuracy. A summation profile technique is utilized to decrease the amount of computation required... | 02/04/1992 |
| 5051994 | Computer memory module A method and apparatus for efficiently and economically using partially good memory modules to construct a memory unit of predetermined aggregate capacity is described, using a universal wiring pattern on a substrate, including positions thereon with circ... | 09/24/1991 |
| 5007163 | Non-destructure method of performing electrical burn-in testing of semiconductor chips A method of nondestructively testing electronic chips adapted for direct attachment to metallized pads on circuitized substrate is disclosed, wherein an electrically conductive liquid eutectic joint is formed at room temperature with low pressure between ... | 04/16/1991 |
| 4998342 | Method of attaching electronic components An improved method for double sided attachment of components to a printed circuit board is described wherein surface mount components soldered to a first surface of the circuit board (backside) are, once the board is inverted during reflow, retained in pl... | 03/12/1991 |
| 4990224 | Copper plating bath and process for difficult to plate metals An acid copper plating bath and process for using with electropositive metals such as aluminum and tungsten is described, wherein the bath contains sulfuric acid, copper sulfate, in solution with urea as a levelling agent, a cationic surfactant as a wetti... | 02/05/1991 |
| 4978638 | Method for attaching heat sink to plastic packaged electronic component Described is an improvement for thermal enhancement technology for high power dissipating plastic packaged electronic circuit chips derived from providing structural features in the plastic package adapted to snap fit with complementarily formed edges of ... | 12/18/1990 |
| 4967950 | Soldering method A method is described for attaching circuit chips to a flexible substrate (laminate) using controlled chip collapse connection technology (C-4). The substrate is "tinned" with an alloy of eutectic composition in its contact region with the solder balls on... | 11/06/1990 |
| 4956022 | Chemical polishing of aluminum alloys A chemical polishing bath and process are disclosed for pretreating aluminum and its alloys prior to plating or anodizing operations, which bath and process produce a mirrorlike finish.... | 09/11/1990 |
| 4954370 | Electroless plating of nickel on anodized aluminum A novel electroless plating bath composition and method for the use thereof, are described for depositing a layer of nickel on anodized aluminum substrates for facilitating direct attachment of electronic chips thereto; the bath composition being a neutra... | 09/04/1990 |
| 4954226 | Additive plating bath and process An additive plating bath and process are described for use in printed circuit manufacturing for applying copper to thick film patterns, said bath includes a low concentration of sulfuric acid, copper sulfate, urea, glycerin and a surface active agent in a... | 09/04/1990 |
| 4919970 | Solder deposition control A technique for one step solder application through a mask to a printed circuit board (PCB) having pads for surface mountable components and through holes for a leaded components is disclosed wherein the amount of solder deposited on the pads and in the h... | 04/24/1990 |
| 4903113 | Enhanced tab package Improved tape automated bonding (TAB) packaging technology is disclosed having particular utility with semiconductor integrated circuit chips having high gate count and I/O requirements, utilizing a polymer layer of the package to support decoupling capac... | 02/20/1990 |
| 4898651 | Anodic coatings on aluminum for circuit packaging A process for preparing aluminum alloy substrates for use in electrical packaging includes anodizing in an aqueous bath solution containing sulfuric acid, citric acid, urea, and ammoniated colloidal silica; the latter three components being a complexing a... | 02/06/1990 |
| 4877174 | Tab device excise and lead form apparatus Apparatus is described for excising and forming tape mounted electronic devices in an automated fashion so that as the tape bearing the components is fed past a punch and die set, each frame bearing an electronic component is precisely aligned and the ele... | 10/31/1989 |
| 4837704 | Computer controlled material handling Apparatus and a method are disclosed for use in a computer controlled factory environment which includes workstations and automated vehicles servicing those workstations for monitoring the status of a plurality of system devices and reporting same, on dem... | 06/06/1989 |
| 4836435 | Component self alignment Alignment of leaded surface mount components to solder pads is enhanced by providing at least two soldered areas per lead, separated by a space of non-wettable material so that during component placement on the soldered areas there is a tendency for the c... | 06/06/1989 |
| 4834506 | Perceived contrast of liquid crystal displays There is disclosed a technique for improving user perceived quality of an LCD device comprising optimizing the electrode width and inter-electrode spacing, and simultaneously causing inter-electrode spaces and information to appear dark while the backgrou... | 05/30/1989 |
| 4774760 | Method of making a multipad solder preform A solder preform and technique for making same is disclosed for use in a one time flux process for attaching electronic modules to printed circuit substrates via plated through holes or surface mount pads.... | 10/04/1988 |
| 4761881 | Single step solder process A technique is disclosed for attaching a variety of device types to the same side of a printed circuit board including a single solder application step for both surface mountable and leaded components, placement of the devices, drying of the solder and so... | 08/09/1988 |
| 4761880 | Method of obtaining surface mount component planarity A packaging technique for finely leaded electronic devices for attachment by surface methods to printed circuit boards is disclosed wherein the leads are imbedded in solder foil prior to the completion of lead forming operations so as to maintain planarit... | 08/09/1988 |
| 4756795 | Raw card fabrication process with nickel overplate A process for making printed circuit cards is disclosed wherein a copper clad, insulating substrate having a layer of copper from which circuitry lines and patterns will be fabricated, is coated with a thin layer of nickel prior to forming any circuit pat... | 07/12/1988 |
| 4750262 | Method of fabricating a printed circuitry substrate A composite substrate suitable for use as substrates for printed circuitry to which surface mountable components may be attached is disclosed. The substrate material comprises an alloy having a low coefficient of thermal expansion, to which aluminum is la... | 06/14/1988 |
| 4750106 | Disk volume data storage and recovery method In a word processing system, a text stream is stored on a direct access storage device (DASD) for recall and editing. The text stream is organized into a document that is stored on the DASD as a data set. The data set comprises an index portion and a port... | 06/07/1988 |
| 4740927 | Bit addressable multidimensional array A memory array associated with a display can be accessed in either one of two substantially orthogonal directions. The memory array is structured so that it may be accessed, such as for reading or writing, in either the horizontal or vertical direction. P... | 04/26/1988 |
| 4714953 | Welded wire cooling An improved thermal management technique is disclosed for use in semiconductor device packaging utilizing ultrasonic welding to attach aluminum wires of predetermined diameter at one end directly to preselected hot spots on the device and at the other end... | 12/22/1987 |
| 4712221 | Carrier recovery of modulated signals A method and apparatus are described for phase and frequency locking a reference oscillator to an incoming modulated signal. The method and apparatus enable the carrier recovery of the incoming modulated signal. Phase and frequency locking devices are con... | 12/08/1987 |
| 4667117 | Self-timing and self-compensating print wire actuator driver There is disclosed an improved drive circuit for a print element actuator wherein the current applied to the actuator has a fast rise mode which is terminated when a predetermined level has been reached. Current is allowed to slowly decay through the circ... | 05/19/1987 |
| 4635919 | Floating document throat There is disclosed an envelope hopper for attachment to a printer requiring envelopes. Spring members provided with adjustable throats for permitting passage of a single envelope are biased downward against the upward force of the supply stack for compens... | 01/13/1987 |
| 4624592 | Ribbon cartridge retention For the retention of a ribbon cartridge (1) on a carrier (2) in a printer or a typewriter or the like, a flexible retaining arm (3) is disclosed. This retaining arm (3) is attached to carrier (2) and stands upright from it. Arm (3) includes a protruding l... | 11/25/1986 |
| 4597177 | Fabricating contacts for flexible module carriers Disclosed is a method of fabricating a novel printed circuit structure including a relatively small surface area of flexible material integral with a conventional glass epoxy carrier on which electrical contacts may be formed.... | 07/01/1986 |
| 4589621 | Ergonomic monitor stand A stand (10) is disclosed for supporting a computer display (8) workstation for easy adjustment without tools to a desired position by rotating the stand, tilting a platform (60) attached to the stand and lifting the stand. The stand comprises a six bar (... | 05/20/1986 |
| 4583873 | Printer with integral paper handling apparatus A printer with improved integral automated cut sheet feeding apparatus including a hopper (10) adapted to attach to bearing members on sheet picker roller (22), shaft (20), hopper (10) also including an upwardly biased sheet floor (58) being adapted to sl... | 04/22/1986 |
| 4577284 | Adaptive robot batch assembly system A technique for accomplishing automated small batch assembly using a sophisticated computer program controlled robot (8) is disclosed wherein the robot work envelope (51) is divided into three independent work areas. Each work area is provided with a port... | 03/18/1986 |
| 4573779 | Variable size circular aperture camera Apparatus is disclosed for exposing circular patterns of light on a photosensitive surface by providing, spaced from the surface, a lengthwise variable light source focusable on the photosensitive surface and rotatable relative to the surface about an axi... | 03/04/1986 |
| 4561506 | Pivoting driver with changeable bits A universal driver tool pivotable into a plurality of angular positions is disclosed for use by a computer controlled robotic manipulator. Improved mechanism for connecting the driver tool to the pneumatic system of the robot is disclosed as is a techniqu... | 12/31/1985 |
| 4541623 | Alignment restraint station An improved alignment/restraint station for interposition in an automatic document feed path is disclosed. A unitary structure including back-up rollers and sawtooth restraint members is positioned downstream of the document separation station and transve... | 09/17/1985 |
| 4511135 | Enhanced envelope feeding A modular envelope feed mechanism which may be used with a cut sheet feeder attachment for high speed printers or the like is disclosed. Envelopes are more reliably fed and separated because they are urged toward a pair of separators at the separation sta... | 04/16/1985 |
