Patents Represented by Attorney Melanie G. Gover
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Patent number: 8339573Abstract: A method includes providing a substrate having a layer of photosensitive material thereon and a mask having contiguous first, second, and third portions; and sequentially: i) scanning the first portion with a light beam at a first rate and subsequently impinges on the photosensitive material at an exposure zone; ii) fixing the scanning within the second portion; and iii) resuming scanning through the third portion. Throughout the process the substrate moves through the exposure zone. An apparatus for carrying out the process includes a light beam source, a mask mount, a mask stage, a conveyor assembly, and at least one optical element for manipulating the light beam into a rectangular light beam.Type: GrantFiled: May 27, 2009Date of Patent: December 25, 2012Assignee: 3M Innovative Properties CompanyInventors: Daniel J. Theis, Levent Biyikli, Jeffrey H. Tokie, David L. Hofeldt
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Patent number: 8188178Abstract: A composition includes an elastomeric composition. The elastomeric composition can include an epichlorohydrin composition, and the elastomeric composition can be substantially free of a fluoroelastomer composition. The composition can further include a filler material which includes a reinforcement-grade carbon black. The composition can further include a peroxide curative.Type: GrantFiled: May 7, 2007Date of Patent: May 29, 2012Assignee: 3M Innovative Properties CompanyInventor: Pradip K. Bandyopadhyay
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Patent number: 8049112Abstract: The invention relates to flexible circuits and more particularly to flexible printed circuits having cover layers. The cover layers may be a chemically-etchable adhesive polyimide. The cover layers may be patterned after they are applied to the flexible circuit substrate.Type: GrantFiled: April 13, 2007Date of Patent: November 1, 2011Assignee: 3M Innovative Properties CompanyInventor: Rui Yang
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Patent number: 8043102Abstract: The present invention discloses a connector sheath (1) adapted to be used in a cable connector assembly, comprising a T-shaped main insulation bushing (102), an inner semiconductive shield layer (105) disposed in the T-shaped main insulation bushing and integrally formed with the T-shaped main insulation bushing; and an outer semi-conductive shield layer (101) disposed on an outer surface of the T-shaped main insulation bushing and integrally formed with the T-shaped main insulation bushing. The T-shaped main insulation bushing is generally made of an elastic insulation material having a dielectric constant value in the range from about 5 to about 15. The present invention also discloses a cable connector assembly having a connector sheath.Type: GrantFiled: August 28, 2008Date of Patent: October 25, 2011Assignee: 3M Innovative Properties CompanyInventors: Huo Ying Lu, Qi Su
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Patent number: 7973241Abstract: A pressure restraining enclosure for cables can include, for example, a first cable including a conductor and an oil-containing layer surrounding the conductor, and a second cable having a conductor. A splice can connect the conductor of the first cable with the conductor of the second cable. A pressure restraining sleeve can overly the splice and the conductors of the first and second cables. Several fasteners can be applied to several locations on the pressure restraining sleeve to tighten the pressure restraining sleeve around the splice and portions of the first and second cable. Embodiments of the pressure restraining enclosure can be used in the form of a sleeve on a single core cable, or alternatively as a body and a separate sleeve on multiple core cables such as three-core cables.Type: GrantFiled: September 10, 2007Date of Patent: July 5, 2011Assignee: 3M Innovative Properties CompanyInventors: Christopher J. Evoniuk, William L. Taylor, Pradip K. Bandyopadhyay
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Patent number: 7959447Abstract: A connector comprising an insulative housing that has a top, a bottom, a first side, a second side, all four sides connected to form a mating face and a board-mounting end; a plurality of terminals supported in the housing and terminating at the board-mounting end wherein each terminal further comprises a contact portion configured to establish electrical contact with a complementary mating connector, a solder tail that extends out of the housing at the board-mounting end, a body portion that is disposed intermediate the contact portion and the solder tail and which interconnect them together; a plurality of solder tabs engaged with the housing; and a plurality of engagement portions coupled to the housing to confine the solder tabs to a predetermined position with respect to the housing.Type: GrantFiled: October 27, 2008Date of Patent: June 14, 2011Assignee: 3M Innovative Properties CompanyInventor: Chin Hua Lim
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Patent number: 7947429Abstract: Disclosed is a method for making long flexible circuits. Some of the long circuits may be made using a single photoimaging mask. Also disclosed are flexible circuits made by this method.Type: GrantFiled: July 30, 2007Date of Patent: May 24, 2011Assignee: 3M Innovative Properties CompanyInventor: Ronald L. Imken
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Patent number: 7938682Abstract: The present invention discloses an adapter adapted to be fitted on a cable connector, comprising a body having hollow tubular shape, the body includes: a cable connecting chamber adapted to accommodate the cable inserted therein; and a cable sealing chamber adapted to form seal between the adapter and the cable by using a sealant. The body is made of elastic material, and the dielectric constant value of which is in the range from 7 to 30. The present invention also discloses a cable connector and a cable connector assembly.Type: GrantFiled: June 25, 2008Date of Patent: May 10, 2011Assignee: 3M Innovative Properties CompanyInventor: Qi Su
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Patent number: 7934938Abstract: A connector for connecting with a serial ATA socket is described, the socket having end walls and an indent in each end wall. The connector has an insulated elongated member, the member having a first wall, an opposite second wall, first and second side walls and an insertion end. A plurality of contacts within the insulated elongated member extend in the direction of the insertion end. A locking member is located at least at one side wall for securing the connector to a socket. The locking member comprising a latching finger attached to the side wall. The latching finger extends in the direction of the insertion end of the insulated elongated member. The latching finger has a ridge directed towards the opposite side wall in the extended portion of the latching finger.Type: GrantFiled: September 4, 2007Date of Patent: May 3, 2011Assignee: 3M Innovative Properties CompanyInventors: Saujit Bandhu, Peng Seong Ang
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Patent number: 7902288Abstract: A method of making a sealant material, such as a grease material, which includes providing a diblock copolymer, where the diblock copolymer includes a plurality of styrene zones and a plurality of rubber zones, and where the styrene zones have a glass transition temperature, and combining the diblock copolymer with mineral oil at a processing temperature less than about the glass transition temperature of the styrene zones. Also disclosed are such sealant and gel materials.Type: GrantFiled: May 31, 2005Date of Patent: March 8, 2011Assignee: 3M Innovative Properties CompanyInventor: William V. Dower
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Patent number: 7863521Abstract: An article of manufacture includes a protective core having at least two end portions, a plurality of support cores, and at least one cold shrinkable material held in an expanded state over at least a portion of the protective core and at least a portion of each support core. One end of each support core interconnected with a corresponding end portion of the protective core. The support cores, the protective core, and the cold shrinkable material are collectively configured to circumferentially surround an apparatus such that the cold shrinkable material compresses over a portion of the apparatus in response to removal of one of the plurality of support cores from the corresponding end portion of the protective core.Type: GrantFiled: December 20, 2007Date of Patent: January 4, 2011Assignee: 3M Innovative Properties CompanyInventors: James M. Campbell, Nga K. Nguyen, William L. Taylor, Carl J. Wentzel
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Patent number: 7829794Abstract: The present invention relates to partially rigid flexible circuits having both rigid portions and flexible portions and methods for making the same.Type: GrantFiled: September 13, 2007Date of Patent: November 9, 2010Assignee: 3M Innovative Properties CompanyInventors: Rui Yang, Nathan P. Kreutter, James S. McHattie
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Patent number: 7789718Abstract: A connection article is provided for a cable comprising at least one wire. The connection article comprises a holder, at least one connector arranged in the holder and having a first receiving opening for receiving a wire to be connected, and guiding means arranged in front of the first receiving opening of the at least one connector, the first receiving opening defining a cross section and the guiding means comprising at least one guiding passage extending through the guiding means and aligned with the first receiving opening of the at least one connector for guiding a wire into the first receiving opening of the connector. The at least one guiding passage comprises opposite distal and proximal ends, the proximal end facing towards and the distal end facing away from the first receiving opening of the at least one connector. The proximal end has a cross section not larger than the cross section of the first receiving opening of the at least one connector.Type: GrantFiled: November 30, 2007Date of Patent: September 7, 2010Assignee: 3M Innovative Properties CompanyInventors: Christophe Desard, Didier Touillon, Yvonnick Marsac
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Patent number: 7767909Abstract: The tubular terminal for a cable, in particular a medium or high voltage cable, comprises a first connector having at least one terminal end for connecting to at least one mating second connector adapted to be connected to a cable and engaged with the first connector for making electrical contact therewith upon connection of the second connector to the at least one terminal end of the first connector. Furthermore, the tubular terminal comprises a shrinkable sleeve having a first tubular portion and a second tubular portion extending from the first tubular portion. The first tubular portion of the shrinkable sleeve is fixedly arranged around the first connector. The second tubular portion of the shrinkable sleeve is adapted to extend beyond the at least one terminal end of the first connector for covering a mating second connector and cable attached thereto when the second connector is connected to the at least one terminal end of the first connector.Type: GrantFiled: April 23, 2007Date of Patent: August 3, 2010Assignee: 3M Innovative Properties CompanyInventors: Raymond Krabs, Gerhard Lohmeier, Attila Z. Kis, Jens Weichold, Michael Petry, Giuliano Bolcato, Bernd Schubert, Friedrich A. Busemann, Thomas Herdtle
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Patent number: 7758964Abstract: A flame-resistant electrical circuit covercoat composition includes a phosphinate and a urethane solder mask. The composition can be used as a covercoat for flexible circuits.Type: GrantFiled: February 10, 2006Date of Patent: July 20, 2010Assignee: 3M Innovative Properties CompanyInventors: David D. Lu, Eumi Pyun
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Patent number: 7744385Abstract: An electrical connector assembly comprises a header and a plurality of electrical cable terminations. Each of the cable terminations includes an electrically conductive housing, at least one signal contact positioned within an interior of the housing and electrically insulated from the housing, and at least two ground contacts extending from an exterior of the housing. The cable terminations are configured to mate with the header such that, for each cable termination, the signal contacts engage corresponding ones of the plurality of signal pins, and the ground contacts engage corresponding ones of the plurality of ground pins when the header and cable terminations are in a mated configuration.Type: GrantFiled: October 7, 2008Date of Patent: June 29, 2010Assignee: 3M Innovative Properties CompanyInventor: Richard J. Scherer
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Patent number: 7744414Abstract: An electrical connector system includes a header and a carrier assembly attachable with the header. The header includes a leading end having a plurality of signal pins that are insertable into an electronic device and a stripline ground plate extending from the leading end toward a mating end. The carrier assembly is coupleable with the mating end of the header and includes a plurality of termination devices. Each termination device includes a cable terminated to a contact that electrically couples with one of the signal pins of the header, an insulator disposed around the contact, and a tubular shield disposed around the insulator. When the carrier assembly is connected to the header, the tubular shield contacts the stripline ground plate to commonly ground each signal pin/contact connection within the electrical connector system.Type: GrantFiled: July 8, 2008Date of Patent: June 29, 2010Assignee: 3M Innovative Properties CompanyInventors: Richard J. Scherer, Joseph N. Castiglione, Abhay R. Joshi
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Patent number: 7722399Abstract: A connector system including a header connector with a header body having an internal surface and an external surface. A plurality of first openings and a plurality of second openings extend from the internal surface to the external surface of the header body. A plurality of signal pins are inserted into the plurality of first openings to form an array of pin contacts extending from the internal surface of the header body. A plurality of shield blades are inserted into the plurality of second openings. Each of the plurality of shield blades has at a first end thereof a generally right angle shielding portion configured to be disposed adjacent to a corresponding signal pin. The first ends of the plurality of shield blades are substantially coplanar with the internal surface of the header body.Type: GrantFiled: February 27, 2009Date of Patent: May 25, 2010Assignee: 3M Innovative Properties CompanyInventors: Richard J. Scherer, Kevin R. Meredith, Johannes P. M. Kusters, Jerome P. Dattilo
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Patent number: 7705085Abstract: A composition includes an elastomeric composition. The elastomeric composition can include a fluoroelastomer composition, and the elastomeric composition is substantially free of an epichlorohydrin composition. The composition can further include a filler material which includes a reinforcement-grade carbon black. The composition can further include a peroxide curative.Type: GrantFiled: April 6, 2007Date of Patent: April 27, 2010Assignee: 3M Innovative Properties CompanyInventor: Pradip K. Bandyopadhyay
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Patent number: 7670197Abstract: An electrical splice connector includes a housing, a conductive member retained within the housing and defining a longitudinal axis, and at least two biasing members circumferentially disposed about the longitudinal axis of the conductive member and biased toward the conductive member. Each of the biasing members is configured to urge conductors inserted into the housing into electrical contact with the conductive member.Type: GrantFiled: December 20, 2007Date of Patent: March 2, 2010Assignee: 3M Innovative Properties CompanyInventors: Eugene P. Janulis, David V. Mahoney, Garry L. Sjolander, Richard D. Twigg