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| Number | Title | Issue Date |
| 4914866 | Apparatus for adjusting optical fiber connector components An alignment sleeve (66) for holding two conically shaped portions (30--30) of plugs (24--24) each of which terminates an optical fiber (25) includes two conically shaped cavities (68, 70) communicating through a common minimal diameter plane (72). After ... | 04/10/1990 |
| 4900124 | Biconic optical fiber connecting device having attenuator A biconic optical fiber connector (20) comprising two plugs (24--24) each having truncated conically shaped end portions (30--30) for terminating optical fibers to be connected and a sleeve (66) in which the plug eng portions are received is provided with... | 02/13/1990 |
| 4893893 | Strengthened buffered optical fiber A buffer optical fiber (20) includes an optical fiber (21) comprising a core and a cladding. The optical fiber is enclosed by a plastic buffer layer (50). Interposed between the optical fiber and the buffer layer are a plurality of fibrous strands (25--25... | 01/16/1990 |
| 4891843 | Electret microphone An electret microphone (10) comprises an electret diaphragm (11) having a thin metallic layer (13) deposited on one of its major surfaces. A ring-shaped metal washer (20) bonded to the metallic layer (13) of the diaphragm (11) by means of a lightly metal-... | 01/02/1990 |
| 4755629 | Local area network cable A cable (20) which is particularly suited to the transmission of substantially error-free data at relatively high rates over relatively long distances includes at least two pairs of individually insulated conductors (42--43). Each pair of individually ins... | 07/05/1988 |
| 4708726 | Fabrication of a lightguide preform by the outside vapor deposition process A lightguide preform is fabricated by depositing a thin carbon layer (40) on a cylindrical glass mandrel (30) and further depositing a plurality of glassy soot layers (32) thereover. The resulting composite structure is heated, in a furnace, at a low temp... | 11/24/1987 |
| 4705823 | Extrudable blend A telephone cord employs as an insulator for the conductors therein an extrudable blend of a styrene-ethylenebutylene-styrene copolymer with polypropylene.... | 11/10/1987 |
| 4691091 | Direct writing of conductive patterns Electrically conductive paths are produced on a polymeric substrate by laser writing, i.e., by tracing desired paths on the substrate by a laser beam. The resulting paths comprise electrically conductive carbon as produced by thermal decomposition of subs... | 09/01/1987 |
| 4688939 | Method and apparatus for inspecting articles Automated inspection of solder bumps (18--18) on a major surface (14) of a chip carrier (10) is accomplished by placing the chip carrier on a platform (22) beneath a ring light (28) which is in registration with a television camera (30). Light from the ri... | 08/25/1987 |
| 4675089 | Low temperature deposition method for high quality aluminum oxide films A high quality Al2 O3 film is deposited by means of plasma enhanced chemical vapor deposition by passing a trialkylaluminum vapor over the surface of a substrate and CO2 gas as the oxidant in a plasma above the substrate s... | 06/23/1987 |
| 4674166 | Spring clip transfer apparatus A plurality of spring clips (30), each having an elongated central member (32) with first (40) and second (38) ends and a plurality of resilient arms (36) radially extending therefrom, are simultaneously transferred between a transfer plate (90) and a pal... | 06/23/1987 |
| 4665148 | Stabilized silicone gels A method for preventing unwanted continued polymerization with aging of a polymer, e.g., a silicone gel, which was catalytically cured comprises treating the cured polymer with a catalytic deactivating agent or stabilization of cured resin.... | 05/12/1987 |
| 4662572 | Method of forming inductor coils with mechanically coupleable bobbins An inductor coil comprises a main winding of insulated wire on the barrel of a bobbin having two axial lugs salient from one of the bobbin's end flanges, and having two recesses formed in the outer surface of the other of such flanges. A coaxial array of ... | 05/05/1987 |
| 4660979 | Method and apparatus for automatically measuring semiconductor etching process parameters An apparatus for automatically measuring the depth and rate of etching of a semiconductor body (10) comprises an interferometer (18) and a counter circuit (28). The interferometer (18) directs light towards the semiconductor body (10) and detects the inte... | 04/28/1987 |
| 4661375 | Method for increasing the height of solder bumps The height of solder bumps (10) on a bonding pad (24) of a semiconductor chip (12) is increased by successively immersing the chip in molten solder alloys having progressively lower melting points.... | 04/28/1987 |
| 4656091 | Insulating material for telephone cords and telephone cords incorporating same A telephone cord employs as an insulator for the conductors therein an extrudable blend of a styrene-ethylenebutylene-styrene copolymer with polypropylene.... | 04/07/1987 |
| 4653682 | Method and apparatus for bonding connector terminals to circuit boards A connector (10) having two rows of opposed terminals (11, 12) joined by a pair of solder bars (13, 14) is mounted on a printed circuit board (16) with the terminals overlaying circuit board edge contact pads (15, 19) on opposite sides of the board. The a... | 03/31/1987 |
| 4652757 | Method and apparatus for optically determining defects in a semiconductor material Individual defects in or near the surface of a silicon wafer (16) are detected by directing a time-modulated laser beam (44), having an energy level above the bandgap energy of the silicon material, towards the wafer. The beam (44) is focused to a one to ... | 03/24/1987 |
| 4651418 | Methods of and apparatus for assembling contact elements to connector housing A plurality of lengths (52--52) of wires (54--54) are advanced along parallel paths and clamped after which each length is formed into a retroflexed configuration at a wire-forming station (50). The partially formed lengths of wire are stored in a nest of... | 03/24/1987 |
| 4651673 | CVD apparatus A chemical vapor deposition epitaxial reactor (10) comprised of a quartz tube (12) with banks of IR lamp proximate the outside surface thereof. A splitter plate (30) located at the inlet of the tube (12) separates reactive gases and nonreactive gases dire... | 03/24/1987 |
| 4649670 | Methods of end finishing a lightguide fiber termination In an apparatus (20) for end finishing an assembly (22) comprising a plurality of lightguide fibers (23--23) positioned between two silicon chips (26--26), a tool carriage (45) is moved past the assembly which at first is held in a fixed position with res... | 03/17/1987 |
| 4651203 | Video controlled article positioning system Apparatus and method for positioning an article utilizes a video signal of the article from a television camera to accurately position the article. Vertical and horizontal sync signals from the camera are used to generate first and second boundary markers... | 03/17/1987 |
| 4651011 | Non-destructive method for determining the extent of cure of a polymer A non-destructive method for determining the degree of cure of a polymer, e.g., a polymer film, is based upon measuring the degree of free space rotation of a fluorophore added to the polymer system through fluorescent measurements of the fluorophore. The... | 03/17/1987 |
| 4648547 | Method and apparatus for achieving reduced component failure during soldering Failure of an electronic component (18) during soldering of leads (16--16) thereof to a substrate (12) can be reduced by directing a gas such as air across the top surface (13) of the substrate against the leads. The gas directed against the leads serves ... | 03/10/1987 |
| 4647719 | Termination closure for buried service cables and methods of installing A termination closure (20) for buried or underground service cable splice locations includes molded stepped end blocks (40--40) and a cover (100) which comprises a sheet adapted to be wrapped about service cables (28--28) having conductors (26--26) which ... | 03/03/1987 |
| 4644639 | Method of supporting an article A mounting frame assembly (10) supports a semiconductor wafer (22) on an adhesively coated surface (18) of a polymer film (12). An inner mounting ring (16) and an outer mounting ring (17) feature complementary steps (47) and (52), respectively, which posi... | 02/24/1987 |
| 4642873 | Apparatus for cutting and stuffing wires into connector contacts A pair of connectors (10 and 11) having insulation piercing terminations or contacts (14, 15, 16 and 17) arrayed in columns and rows and strain relief grooves (18 and 19) associated with designated terminations in each column are stepped relative to a pai... | 02/17/1987 |
| 4642890 | Method for routing circuit boards The routing of non-crossing conductive paths (24--24) between each of two families of conductive nodes (18--18) and (20--20) on a surface (15) of a substrate (14) can be facilitated using electrostatic analog. To route the conductive paths (24--24), a two... | 02/17/1987 |
| 4644576 | Method and apparatus for producing x-ray pulses A plasma source (34, 150) for producing a pulse of soft x-rays includes a tubular cathode electrode (76) concentric within, and surrounded by a generally cylindrical anode electrode (44). A fast-acting gas valve (101, 152) discharges a plurality of inclin... | 02/17/1987 |
| 4638762 | Chemical vapor deposition method and apparatus A chemical vapor deposition apparatus particularly useful for forming uniformly thick epitaxial layers of III-V semiconductor compounds on a plurality of substrates comprises a susceptor for supporting the substrates contained within a housing, gas inlet ... | 01/27/1987 |
| 4638559 | Methods of and apparatus for making slotted beam contact elements A slotted beam contact element (13) for an electrical connector is constructed by forming an opening in a metallic strip (31) and then, if necessary, reshaping at least one portion of the strip which defines the opening. Then a bifurcated beam (14) is for... | 01/27/1987 |
| 4637989 | Method of preparing a ceramic composition A predominantly perovskite phase Pb(Znx Mg1-x Nb2)1/3 O3 ceramic is prepared by first forming a columbite precursor having the formula Znx Mg1-x Nb2 O6 and react... | 01/20/1987 |
| 4638401 | Ceramic compositions and devices A novel low sintering temperature ceramic composition particularly suitable for multilayer ceramic capacitors is disclosed. The composition comprises a mixture represented by the formula where 0 | 01/20/1987 |
| 4635855 | Method and apparatus for rapidly controlling the flow of gas A high speed gas valve (10) comprises an annular base member (14) having a plurality of plenums (18--18) into which a gas is admitted through a passage (42) in an overlying coverplate (16). Within each plenum is a conductive disc (26) which seals an orifi... | 01/13/1987 |
| 4636403 | Method of repairing a defective photomask A process of laser-induced metal deposition for repairing transparent defects (18) in patterned metal films (14) of photomasks (10). The process comprises the steps of (a) coating the surface (16) of the substrate (12) having the film (14) thereon with a ... | 01/13/1987 |
| 4634043 | Engaging second articles to engaged first articles A head (45) engages a chip (10) having peripheral sides (16), and then engages the chip (10), to a workpiece (35) for bonding chip (10) to a substrate (30). Body (46) has a lower portion terminating in a downwardly presented, working face (48). For receiv... | 01/06/1987 |
| 4634205 | Conductor splicing devices A device for splicing together aerial drop wires and comprising: (a) a housing shell having a throughpassage (b) a partition dividing such passage into two channels with outer ramp walls causing the channels to have respective wide openings at opposite en... | 01/06/1987 |
| 4631079 | Method for stretching a glass rod Control over the diameter variations in a glass rod (10) during the stretching thereof is accomplished by cooling the rod after heating and initial neck down of a portion (22) thereof. After cooling, the rod (10) is reheated, at a lower temperature suffic... | 12/23/1986 |
| 4627161 | Method for inserting multilead components into printed wiring boards A method for inserting a multilead component (30) into a printed wiring board (31) (PWB), wherein the component has its leads (32, 33) arranged in two or more rows and the PWB (31) has two or more rows of apertures (36, 37) arranged in a pattern correspon... | 12/09/1986 |
| 4627150 | Tool for inserting cable wires in connector contacts A connector 14 with rows of contacts 12 is placed in a holder carriage 22 which is loaded into a wire insertion tool 10. Insertion blades 56 and 57 are moved by a trigger mechanism 17 to insert a pair of wires 11 into two contacts whereupon the blades act... | 12/09/1986 |
