Watson; D. C. - US Patent Attorneys and Agents

Attorney: Watson; D. C.

Number of patents: 30
Last date: March 17, 1987

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Number	Title	Issue Date
4649674	Drain hole seal with bottom bleeder A device for a drain, such as a manhole 10 for access to a sewer, is protected by a seal structure 34 having a bottom bleeding feature such as a bottom thru-bore 42. The seal structure 34 may have a flange 38 for sealingly engaging between a cover 22 and ...	03/17/1987
4558581	Guiding an advancing strip A strip (10) of delicate foil is advanced longitudinally along a substantially flat path such as along a platen (104) for printing patterns of lead clusters (12) in photoresist on the foil. A margin (28) of strip (10) is formed into a guiding member such ...	12/17/1985
4513852	Orienting asymmetrically shaped articles At least one article such as a device (10) is reoriented to achieve uniform orientation of a plurality thereof. The devices (10) typically have a head (12) and a body portion (18) depending therefrom along a plane (26) dividing the head asymmetrically. A ...	04/30/1985
4502215	Feeding articles to successive stations for treatment Individual ones of articles such as (LED) devices 10 are fed and positioned at one or more stations along a path traversed by the devices. A track 30 guidably advances the devices 10 in single file to and beyond stations 63 and 64 successively located alo...	03/05/1985
4500394	Contacting a surface for plating thereon An article such as a semiconductor wafer (12) is contacted for plating on an active surface (16). Disposed adjacent to and around the surface (16), there is a conductor such as an annular ring (58) which is adapted for connection to a current source. A co...	02/19/1985
4498451	Cutting articles along known planes An article such as a semiconductor wafer (10) is cut by splitting along a line (22) in a plane known to facilitate splitting. Wafer (10) is supported in a laterally unrestrained manner in a holder (34) lined with preferred paper (26) and fitted with a ref...	02/12/1985
4495396	Aligning a workpiece to a body A workpiece such as a minute stud (34) is aligned to a small porcelain body (36) to form a guide (40) for processing lightwaves. Such alignment includes registering a target (30) of an avalanche photodiode in a chip (32) on the stud (34) to a fiber receiv...	01/22/1985
4488111	Coupling devices for operations such as testing A ring connector (80) is provided for electrically coupling device contacts such as probes (59) on a card (50) to circuit elements such as pads (94) on a performance board (90). The probes (59) are conventionally disposed outwardly of and around an axis 5...	12/11/1984
4485290	Bonding a workpiece to a body A workpiece such as a miniature stud (10) supports a chip (20) having a heat and light sensitive device therein. Such stud (10) is thermally bonded to an insulative body (12) to form a guide (14) for converting light to electrical pulses. A positive and a...	11/27/1984
4472218	Removing articles from an adhesive web Articles such as miniature laser chips (15) are individually removed from an array on an adhesive web (20). A subjacent forming die has a planar, central surface (160) containing a vacuum cavity (120) and peripheral sloping surfaces (162). The web (20) ha...	09/18/1984
4470830	Treating gases with liquids Gas, such as exhaust gas from a silicon epitaxial reactor, is treated with a liquid such as water. A basin (12) holds a solution (20) including the liquid utilized to treat such gas in the manner intended. An inlet chamber (14) and a convenient self-clean...	09/11/1984
4466989	Horizontal mobility in fluidized beds Articles such as printed wiring board substrates (10) often having hundreds of tiny through-bores are coated with particles (76) in fluidization apparatus (55). Such apparatus (55) includes a base (56) having a frame (61) to receive reciprocation forces a...	08/21/1984
4466852	Method and apparatus for demounting wafers Wafers (12), including those in the solid state electronics industry, are demounted from an adherent surface (79). A respective passageway (90) is extended from a fluid supply device (92), through the adherent surface (79) to and in communication with, th...	08/21/1984
4449282	Assembling components such as lids to chip enclosures First components such as lids (9) are assembled to second components such as electronic chip carriers (10). Each lid (9) has an external surface opposite a first mating face and each carrier (10) has a second mating face complementary with the first matin...	05/22/1984
4437362	Tools for handling magnetic articles A tool (10) for handling a magnetic article (50) includes a member (12) having a jaw (18) which is movable toward and away from a member (14) having a corresponding jaw (14). A holder (34) is associated with jaw (20) of member (14) for releasably holding ...	03/20/1984
4436474	Selecting articles from an array thereof An assembly is provided for selecting at least one vertically oriented planate article such as a disc-shaped wafer (10) from an array of such wafers. A carrier (20) holds the wafers (10) in a mutually spaced, substantially parallel relationship along a si...	03/13/1984
4434012	Treating articles in an array with streams of a medium Articles such as substantially flat, electronic chips (10) are positioned in an array with surfaces (11) to be treated facing upward along a succession of specially selected tiers. Such tiers may preferably be horizontal rows (20-24) of top rims (19) of v...	02/28/1984
4425074	Methods of and apparatus for transferring articles Articles (18) are transferred from a first position, such as a feed track (37) on which they are located closely spaced, to a second position such as a heat seal apparatus. At the heat seal apparatus the spacing of the articles is to coincide with the spa...	01/10/1984
4422652	Releasably retaining articles for rotation thereof Apparatus is provided for releasably retaining an article such as an optical cable (10) for rotation of the article. A chuck body (31) is provided along with components (24, 26 and 46-48) for rotating the body (31) and the cable (10) about a common centra...	12/27/1983
4421266	Handling bodies containing bonding material Bodies (22) containing bonding material are applied in a substantially simultaneous manner to each of an array of bonding sites (18). A member (50) holds the bodies (22) in an array corresponding to the array of bonding sites (18). A pickup head (40) hold...	12/20/1983
4402450	Adapting contacts for connection thereto Contact pads (18) of a device (12) are adapted for bonding components such as contacts of a circuit assembly thereto. At least two of the pads (18) are interconnected with a member (34) containing bonding material. Portions of the member (34) lying adjace...	09/06/1983
4395219	Apparatus for forming compactible material into a body In the growth of gadolinium gallium garnet monocrystals, a crucible is charged with a preformed body (65) of oxide powders to form a melt. In preparation therefor, the oxide powders are formulated into a typical particulate material (16) which is compacte...	07/26/1983
4394602	Enclosed electrical devices An enclosed electrical device (42) includes an electrical circuit (50) having elements (48-68) which lie substantially in and along a plane (115). A member (70) is applied to a one side and a member (85) is applied to another side of the circuit (50) for ...	07/19/1983
4384658	Dispensing magnetic articles Magnetic articles (10) are advanced in single file within a tube (14) for dispensing therefrom. A first magnetic device (20) establishes a magnetic field to releasably seize the leading article (10) such that trailing articles (10) are stopped in the tube...	05/24/1983
4380734	Measuring magnetic intensity independent of speed in a succession of moving magnetic strips The magnetic intensity in a succession of strips (12) in an article (10) is measured by producing relative motion between the article (10) and a magnetic sensing head (23) to produce a succession of first voltage waveforms. Each such waveform has a shape ...	04/19/1983
4370294	Compacting particulate material into a body In the growth of gadolinium gallium garnet monocrystals, a crucible is charged with a preformed body (65) of oxide powders to form a melt. In preparation therefor, the oxide powders are formulated into a typical particulate material (16) which is compacte...	01/25/1983
4360995	Introducing elongated magnetic articles into containers An off-line system for handling elongated magnetic articles such as axially leaded diodes 12 includes a magnetic receiving chute 20, a blocking mechanism 45, a magnetic loading station 75 for supporting at least one tray 55 and for loading diodes 12 there...	11/30/1982
4356905	Removing magnetic articles from a carrier Elongated magnetic diodes 12 are removed from a carrier 20 having a periphery along which the diodes 12 are advanced. A magnetic bin 75 has spaced sidewalls 76 and 77 extending to either side of the periphery of carrier 20. There is established between an...	11/02/1982
4352835	Masking portions of a substrate A removable mask (22) protects at least one portion of a substrate (10) during treatment such as irradiation thereof. To obtain mask (22), there is applied over said portion of substrate (10) a parting layer (44) of a metal selected from the group consist...	10/05/1982
4340323	Decelerating and reorienting elongated magnetic articles An axially leaded diode (12), travelling at a high rate of speed in a longitudinal direction, is terminated within a bin assembly (18). The bin (18) has first and second ends (43 and 44) and first and second sidewalls (21 and 22) including magnets (33-41)...	07/20/1982

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Attorney: Watson; D. C.