Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7354336 | Abrading tool and method for refurbishing electrical connector pin contacts An abrading tool for refurbishing pin contacts in situ in an electrical connector is provided. The abrading tool includes a bore defined in a first end for receiving the pin contacts therein and a transverse slot which intersects the bore. A removable abrading eleme... | 04/08/2008 |
| 6935923 | Sensor stripe encapsulation layer in a read/write head A magnetoresistive read head has read head layers that are shaped to form an air bearing surface and a sensor stripe cavity with an open side at the air bearing surface. A sensor stripe is deposited in the sensor stripe cavity. The sensor stripe has a front surface ... | 08/30/2005 |
| 6893328 | Conductive polishing pad with anode and cathode A conductive polishing pad that includes one or more anodes and one or more cathodes formed at or near the polishing surface of a polishing pad. The anodes and cathodes are connected to a wiring network that is part of an electrical connector system that allows for ... | 05/17/2005 |
| 6846227 | Electro-chemical machining appartus The electro-chemical machining apparatus of this invention is designed to smoothing a metal film by efficiently reducing initial rough surface and removing excessive metal film with reduced damages to the metal film. For this end, the electro-chemical machining appa... | 01/25/2005 |
| 6739953 | Mechanical stress free processing method According to one embodiment, a method of planarizing of a surface of a semiconductor substrate is provided. A copper layer is inlaid in a dielectric layer of the substrate. The semiconductor substrate is disposed opposite to a polishing pad and relative movement pro... | 05/25/2004 |
| 6736699 | Electrolytic polishing apparatus, electrolytic polishing method and wafer subject to polishing An electrolytic polishing apparatus for electrolytic-polishing a conductive film subject to formed on a substrate including a resistance measuring unit for measuring the resistance of the film. The electrolytic polishing apparatus may also include a termination poin... | 05/18/2004 |
| 6722950 | Method and apparatus for electrodialytic chemical mechanical polishing and deposition Embodiments of the invention include methods and apparatus for electrodialytic polishing of various layers formed on semiconductor substrates. In certain embodiments the use of electrodialytic processes in conjunction with chemical mechanical forces to achieve a cop... | 04/20/2004 |
| 6712668 | System and method for electropolishing nonuniform pipes A pipe electropolishing system (10, 10a) for in place polishing of a pipe (28) has provision for detecting the instant position of a cathode (14) within the pipe (28) such as cable marks (52) and cable mark sensor (50... | 03/30/2004 |
| 6439975 | Method for forming contact of electrical connector and press die for practicing the method A press die for forming a contact of an electrical connector by blanking a metal sheet is disclosed. The die has a die insert for shaving an engaging section of the contact for electrically engaging with a conductive portion of a device mating with the el... | 08/27/2002 |
| 6402592 | Electrochemical methods for polishing copper films on semiconductor substrates Methods for electrochemically polishing copper films on semiconductor substrates use an alkaline solution with a pH in the range of about 8.0 to 10.5. A constant current density of from 5 to 100 amperes per square foot is applied to an electrochemical cel... | 06/11/2002 |
| 6347983 | ELG for both MRE sensor height and resistance monitoring A method and system for lapping a magnetic transducer using an electrical lapping guide is presented. This includes rough lapping the transducer based on a first signal and fine lapping the transducer based on a second signal from a dummy transducer. The ... | 02/19/2002 |
| 6296549 | Apparatus and method of machining brake components This invention relates to an improved apparatus and method for finish machining brake components. The apparatus includes an electrode ring adapted to be secured to a rotatable shaft. The electrode ring includes at least one plurality of circumferentially ... | 10/02/2001 |
| 6261153 | Apparatus and method of machining brake components This invention relates to an improved apparatus and method for finish machining brake components. The apparatus includes an electrode ring adapted to be secured to a rotatable shaft. The electrode ring includes at least one plurality of circumferentially ... | 07/17/2001 |
| 6074284 | Combination electrolytic polishing and abrasive super-finishing method An abrasive super-finishing method for workpieces, such as metallic thin-film magnetic discs, employs a polishing/texturing material having a backing, such as synthetic resin film or woven material or non-woven cloth, and a layer which can hold abrasive g... | 06/13/2000 |
| 5562529 | Apparatus and method for uniformly polishing a wafer An apparatus and method for polishing a semiconductor wafer. A polisher includes a supporting plate having a conductive film and a polishing cloth formed on the conductive film of the supporting plate. The polishing cloth has a plurality of openings to ex... | 10/08/1996 |
| 4836858 | Ultrasonic assisted paint removal method A paint or other protective coating removal method involving the use of reciprocal motion ultrasonic frequency mechanical energy applied to the coating by a variety of tool and abrasive substrate members in the company of surface preparation agents such a... | 06/06/1989 |
