Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7309278 | Lean presser for holding eyeglass lens and eyeglass lens processing apparatus having the same A lens presser for holding an eyeglass lens includes: a base member which is to be attached to a distal end of a lens chucking shaft; an abutting member which has an abutting surface which is to be abutted on a rear refractive surface of the lens; a movable member t... | 12/18/2007 |
| 7281969 | Tool sharpening and compound honing jig A holder, guide, or jig for sharpening tools is disclosed, in which the jig holds and orients a tool to be sharpened to properly align the tool on or against abrasive wheels, discs, or sharpening stones, thereby creating a fine, square, beveled edge on the tool, at ... | 10/16/2007 |
| 7153198 | Fixture for slider lapping, lapping device and lapping method A fixture for slider lapping includes a holding portion for holding the object with its surface to be lapped toward the lapping surface of the lapping device; a main body for mounting the lapping fixture to the lapping device; a plurality of load-applied portions wh... | 12/26/2006 |
| 7115020 | Lapping system with mutually stabilized lapping carriers A lapping system for eliminating crowning in a surface to be lapped includes a first lapping carrier adapted to carry a first workpiece and a second lapping carrier adapted to carry a second workpiece. A stabilizer assembly interconnects the first and second lapping... | 10/03/2006 |
| 7096567 | Method for measuring amount of grinding in magnetic head producing process The present invention is an object to provide an apparatus or a method making it possible to easily effect connection between additional electrodes, etc. and lead electrodes when performing a processing for achieving a predetermined throat height value or crown proc... | 08/29/2006 |
| 6923713 | Cylindrical grinder, and mechanism for producing relative movement between grinding wheel and workpiece in cylindrical grinder A cylindrical grinder includes a workpiece support section adapted to support a generally cylindrical workpiece and rotate the workpiece about a rotational axis, and a wheel head adapted to support and rotate a grinding wheel. The wheel head is moved relative to the... | 08/02/2005 |
| 6758721 | Apparatus and method for lapping magnetic heads An apparatus for lapping a workpiece including a plurality of magnetic heads supported by a tool is disclosed. The lapping apparatus comprises a rotary-lapping table having an abrasive surface, and a lapping device assembly provided so as to be movable with respect ... | 07/06/2004 |
| 6712672 | Clamping wafer holder for chemica-mechanical planarization machines and method for using it A clamping wafer holder for chemical-mechanical planarization (“CMP”) machines is provided. It comprises a plate having a surface for receiving on it the wafer, and a retainer around the surface. The retainer includes at least two jaws shaped and arranged such t... | 03/30/2004 |
| 6669535 | Platform table for cleaning parts An apparatus is provided for cleaning parts in a production line. The part is placed on the apparatus at an ergonomically comfortable height and angle with respect to the worker, thus avoiding fatigue, while at the same time providing a faster turn-around... | 12/30/2003 |
| 6585578 | Girinding wheel machine bracket adjustable in angle A grinding wheel machine bracket comprises a fixations eat having a long through hole to receive a screw for fastening the fixation seat with a grinding wheel machine. The fixation seat has a pivoting seat with an axial hole, and a pointer located at the ... | 07/01/2003 |
| 6491574 | Complete blade and wafer handling and support system without tape The wafer handling and support system disclosed herein does not use tape and is adapted for use in conjunction with a number of work stations. The wafer handling and support system includes a chuck plate comprised of a non-porous section surrounding a por... | 12/10/2002 |
| 6447384 | Jig for grinding sharp-edged tools Jig for grinding sharp-edged tools. The jig consists of a housing in the form of a casing designed with a passage running through it whose at least one end is flat, plus a seat, also in the form of a casing designed with a passage running through it, loca... | 09/10/2002 |
| 6447367 | Processing jig A processing jig comprises: a main body to be fixed to a processing apparatus; a retainer that is long in one direction for retaining a bar as an object long in one direction; four couplers for coupling the retainer to the main body; three load applicatio... | 09/10/2002 |
| 6261165 | Row carrier for precision lapping of disk drive heads and for handling of heads during the slider fab operation A row of disk drive slider blanks with magneto-resistive read sensors are lapped after being mounted on the flat surface of a row carrier used to mount the row assembly on a row bending tool. Residual stresses present in the row due to wafer processing ar... | 07/17/2001 |
| 6174218 | Bow compensated lapping A method and apparatus for controlling the amount of row distortion before and dynamically during the lapping process used to manufacture sliders for magnetic storage devices. A wafer quadrant of slider rows is bonded to an extender tool held in a carrier... | 01/16/2001 |
| 6146256 | Clamping wafer holder for chemical-mechanical planarization machines and method for using it A clamping wafer holder for chemical - mechanical planarization ("CMP") machines is provided. It comprises a plate having a surface for receiving on it the wafer, and a retainer around the surface. The retainer includes at least two jaws shaped and arrang... | 11/14/2000 |
| 6135860 | Fixture for mechanical grinding and inspection of failed or defective semiconductor devices A fixture for holding a semiconductor chip during a polishing process can be made to also hold the chip while the chip is inspected by a scanning electron microscope. In this manner, the polishing of the chip may be inspected and monitored without removin... | 10/24/2000 |
| 6074291 | Apparatus for preparing ultra-thin specimen An apparatus for preparing an ultra-thin specimen with a polishing wheel is developed. The apparatus includes a base, a holding unit mounted on the base and having a movable part for supporting the specimen, and an adjusting assembly attached to the base ... | 06/13/2000 |
| 6068541 | Method for using a fixture enabling more accurate machining of a part A fixture securely holds a blank having at least two spaced apart locators. The fixture has a base with spaced apart end walls, one supporting a clamping mechanism and the other supporting an abutment, at least one of which is free to pivot in relation to... | 05/30/2000 |
| 6062961 | Wafer polishing head drive A wafer polisher head drive includes a head drive housing; a head portion extending from the housing for mounting an unpolished wafer when the head drive housing and head portion are in a horizontal orientation; a pivot mechanism extending from the head d... | 05/16/2000 |
| 6007409 | Sample holder for parallel lapping tool and method of using The present invention discloses a sample holder for a miniature device for use in a parallel lapping tool that is equipped with a hollow-centered sample holder assembly such that the condition of the sample being prepared can be continuously monitored fro... | 12/28/1999 |
| 5921847 | Grinding fixture and method of remanufacturing tool inserts A swing grinding fixture and process for using the same is disclosed that enables a conventional surface grinder to remanufacture a machine tool cutting insert by grinding a predetermined shape into the insert. A quick clamping insert holder coupled to a ... | 07/13/1999 |
| 5899793 | Lapping apparatus including a lapping base having pads A lapping apparatus for uniformly laps work pieces. The lapping apparatus includes a rotary lapping plate, a lapping base including a plurality of pads contacting the lapping plate, an adapter including first and second surfaces for supporting the mountin... | 05/04/1999 |
| 5830048 | Pivot sample block cross-section tool A tool and method for holding an integrated circuit (IC) sample so that only a cross-section of the processed layers of the sample is polished and exposed. The tool includes (a) a mounting block with a recess, (b) a pivoting member pivotably attached in t... | 11/03/1998 |
| 5816899 | Micro precise polishing apparatus Apparatus and method for grinding semiconductor chips and other specimens prior to microscopic examination thereof by supporting a specimen on a specimen mount, fixing the specimen mount to a lower end of a lower arm, connecting an upper end of the lower ... | 10/06/1998 |
| 5738568 | Flexible tilted wafer carrier Disclosed is an improved apparatus and method for polishing a semiconductor wafer, which involves mounting the wafer to a carrier assembly. The wafer carrier assembly has been split into two plates which are joined by springs around the peripheries. The w... | 04/14/1998 |
| 5623916 | Method and apparatus for cutting grooves into diamonds and precious stones A device for holding and positioning stones that are being prepared for invisible set jewelry. The device includes an automatically cooled blade and a holding member for holding the stone wherein the position of the stone may be adjusted linearly and angu... | 04/29/1997 |
| 5607340 | Row tool An adjustable row or transfer tool is disclosed herein compensating for row bow or distortion during a lapping process on a surface so as to establish uniform and substantially precise throat heights for a plurality of thin film transducers carried on a r... | 03/04/1997 |
| 5582542 | Apparatus and method for sharpening a cutting tool An apparatus and method for sharpening a cutting tool, including the grinding and honing of the cutting tool is described and illustrated. The apparatus comprises a base plate with a biasing frame mounted on the base plate. A tool holder is clamped to the... | 12/10/1996 |
| 5567199 | Workpiece holder for rotary grinding machines for grinding semiconductor wafers, and method of positioning the workpiece holder A workpiece holder for rotary grinding machines for grinding semiconductor afers has a rotatable work surface which points toward a rotating grinding tool and on which the semiconductor wafer to be machined is laid, and has piezoelectric elements on which ... | 10/22/1996 |
| 5320007 | Method for positioning and processing LPE films A method and apparatus are provided for holding and positioning objects for a single diamond point turning operation. The objects which may include liquid phase epitaxy films are mounted on multiple platforms (10, 46). The platforms (10, 46) are securely ... | 06/14/1994 |
| 5297361 | Polishing machine with an improved sample holding table Polishing machine with an improved sample holding table in which the table has a cardan system with two first shafts having a first common longitudinal axis and two second shafts having a second common longitudinal axis. The shaft axes being in a polishin... | 03/29/1994 |
| 5291692 | Polishing work holder A polishing work holder for supporting a lens to be polished for use in a lens polishing machine is disclosed. The work holder comprises a holder body rotatably supported by a housing and having a recess portion formed on a rotating shaft of one end face ... | 03/08/1994 |
| 5272844 | Polishing fixture with adjustable sample mount with adjustable weight A fixture for use in non-encapsulated cross-sectioning of a sample adapted to permit adjustment of the angle of cross-sectioning having a mounting block with front and bottom surfaces and a recess extending through the front and bottom surfaces. An elonga... | 12/28/1993 |
| 5094038 | Sharpening aid A support device for facilitating the sharpening of a knife blade or the like is provided. The device is a solid block of rigid material having a flat lower surface to rest on a stable surface and an upper surface parallel to the lower surface. The upper ... | 03/10/1992 |
| 5070653 | Centerless valve regrinder A centerless valve regrinder for resurfacing a worn valve having a face, a tulip connected to the face, a valve stem connected to the tulip, the stem having an axis, a first notch worn into the stem at a location spaced from the tulip, and a second notch ... | 12/10/1991 |
| 4964240 | Piston ring grinder A piston ring grinding apparatus providing piston rings of consistent gap is disclosed. The piston ring grinding apparatus has a base member with a piston ring grinding means mounted thereon. The piston ring holder is rotatably mounted on the base member ... | 10/23/1990 |
| 4669227 | Angle plate apparatus with precisely adjustable workpiece holder An especially configured angle plate apparatus having a workpiece holder mounted thereon for precision positioning of the workpiece holder relative to a supporting surface. The angle plate and workpiece holder are cooperatively adapted so that the workpie... | 06/02/1987 |
| 4546573 | Grinding machine A grinding machine including optical detectors for detecting an inclination and a difference of a reference position of the workpiece with respect to a reference position of the grinding machine; an inclinable jig capable of inclining the reference positi... | 10/15/1985 |
| 4502457 | Universal multiple angle work piece holder with multiple tool conversion features The present invention relates to an improved universal multiple angle work piece holder which is capable of setting an object at any desired compound angle so that the object may be machined at any desired location. The invention further relates to an app... | 03/05/1985 |
