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A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

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Class 451/283 - Work rotating


Subclass of Class 451 - Abrading
Definition: Abrading machine in which the work is turned about an axis
No. of patents: 61
Last issue date: 11/15/2011


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NumberTitleIssue Date
8057284Tool for polishing and fine-grinding optically active surfaces in precision optics
A tool for polishing and fine-grinding optically active surfaces in precision optics has a main body which can be attached in a rotationally fixed manner to a tool spindle of a machining machine. A guide element is arranged concentrically in the main body and is mou...
11/15/2011
7255637Carrier head vibration damping
A carrier head for chemical mechanical polishing that has a base having at least a portion formed of a polymer, a mounting assembly connected to the base having a surface for contacting a substrate, a retainer secured to the portion of the base to prevent the substr...
08/14/2007
7254996Method and apparatus for testing rubber tires or solid rubber wheel laboratory samples
A method and apparatus for testing rubber tires includes an abrader for rubbing against the surface of the tire and an eraser for removing particles of rubber left on the abrading surface by the tire. The eraser has the capability of absorbing oil or wax included in...
08/14/2007
7241203Six headed carousel
The present invention relates to an apparatus and method for polishing semiconductor substrates with improved throughput and reduced foot print. One embodiment of the present invention provides an apparatus for polishing a substrate. The apparatus comprises a base, ...
07/10/2007
7238090Polishing apparatus having a trough
Methods and apparatus for chemical mechanical polishing are described. In one embodiment, an apparatus includes a table top and a transfer station and multiple polishing stations are mounted on the table top. The apparatus further includes multiple washing stations,...
07/03/2007
7238092Low-force electrochemical mechanical processing method and apparatus
The present invention relates to semiconductor integrated circuit technology and discloses an electrochemical mechanical processing system for uniformly distributing an applied force to a workpiece surface. The system includes a workpiece carrier for positioning or ...
07/03/2007
7226344Method of processing antifriction bearing unit for wheel
A method of processing an antifriction bearing unit for a wheel, the antifriction bearing unit including an outer race, an inner race, a plurality of rolling elements and a flange portion for directly or indirectly mounting a brake disk provided to one of the outer ...
06/05/2007
7217176Polishing tool with several pressure zones
The invention refers to a polishing tool for optical lenses with at least one polishing pad adaptable at least partially to the shape of a lens surface of said lenses and drivable by means of a drive shaft, said polishing pad having a membrane, wherein said polishin...
05/15/2007
7182668Methods for analyzing and controlling performance parameters in mechanical and chemical-mechanical planarization of microelectronic substrates
Methods and apparatuses for analyzing and controlling performance parameters in planarization of microelectronic substrates. In one embodiment, a planarizing machine for mechanical or chemical-mechanical planarization includes a table, a planarizing pad on the table...
02/27/2007
7166016Six headed carousel
The present invention relates to an apparatus and method for polishing semiconductor substrates with improved throughput and reduced foot print. One embodiment of the present invention provides an apparatus for polishing a substrate. The apparatus comprises a base, ...
01/23/2007
7097544Chemical mechanical polishing system having multiple polishing stations and providing relative linear polishing motion
An apparatus and associated methods for polishing semiconductor wafers and other workpieces that includes polishing surfaces located at multiple polishing stations. Multiple wafer heads, preferably at least one greater in number than the number of polishing stations...
08/29/2006
6960122Optical disc repairing device
An optical disc repairing device is mounted on a repairing machine base to perform cleaning, maintenance and repair of the optical disc. The repairing device includes a movement transmitting element, a connecting element mounted on the movement transmitting element,...
11/01/2005
6932684Reciprocal blade lapping machine
A reciprocal blade lapping machine (20) is taught that is used for sharpening cutting and shearing blades. The lapping machine consists a convex lap plate (32) mounted on an enclosure (22) rotated by an electric motor (34) connected to a ...
08/23/2005
6783446Chemical mechanical polishing apparatus and method of chemical mechanical polishing
There is provided an apparatus for polishing a substrate, including (a) a polishing pad formed with a plurality of through-holes through which polishing material is supplied to a surface of the polishing pad, (b) a level block on which the polishing pad is mounted, ...
08/31/2004
6705929Cloth cleaning device and polishing machine
Cloth cleaning device of a polishing machine which is capable of fully cleaning a polishing cloth including a part in the vicinity of a center roller. The cloth cleaning device includes an arm movable in a plane parallel to the polishing cloth between a first positi...
03/16/2004
6666756Wafer carrier head assembly
A wafer carrier head assembly for holding a wafer in chemical mechanical planarization applications is dis;losed that includes a downwardly protruding wafer retaining ring that moves independent of the wafer carrier head and retains an edge of the wafer o...
12/23/2003
6537135Curvilinear chemical mechanical planarization device and method
The present invention relates to an apparatus and method for polishing substrate surfaces. The method can include the steps of holding a substrate against a polishing surface and depositing slurry on the polishing surface. The method can further include t...
03/25/2003
6524176Polishing pad
A polishing pad has a first layer, a second layer, a hole and a plug. The hole is formed in the polishing pad and has a first section in the first layer of the polishing pad and a second section in a second layer of the polishing pad. The plug is embedded...
02/25/2003
6422918Chemical-mechanical polishing of photoresist layer
The present invention relates to a system for controllably removing photoresist. A CMP system is employed for polishing the photoresist. A non-abrasive polishing liquid adapted to react with the photoresist to sufficiently modify bonding in the photoresis...
07/23/2002
6416392Sound enhanced lapping process
A method of lapping semiconductor wafers includes the step of transmitting sounds generated during the lapping process to a receiver, allowing the operator to use sound to more quickly detect problems associated with starting the lap process....
07/09/2002
6379216Rotary chemical-mechanical polishing apparatus employing multiple fluid-bearing platens for semiconductor fabrication
A rotary chemical-mechanical polishing apparatus with multiple fluid-bearing platens for use in semiconductor fabrication is described together with a method for chemical-mechanical polishing of semiconductor substrates ("wafers"). A single polishing pad ...
04/30/2002
6358117Processing method for a wafer
A surface grinding method is provided by which grinding striations are produced so that the striations can fully be removed by a polish-off amount less than required in a conventional way in mirror polishing following surface grinding using an infeed type...
03/19/2002
6354918Apparatus and method for polishing workpiece
A polishing apparatus has a turntable with a polishing surface, a top ring for pressing a workpiece against the polishing surface under a given pressure to polish the workpiece, and a dresser for dressing the polishing surface. The polishing surface has a...
03/12/2002
6341995Chemical mechanical polishing apparatus
The present invention relates to improved chemical mechanical polishing apparatus, which reduce air sharp pressure on the polish head for preventing the breakage unpolished wafer. The improved chemical mechanical polishing apparatus of present invention i...
01/29/2002
6322422Apparatus for accurately measuring local thickness of insulating layer on semiconductor wafer during polishing and polishing system using the same
A polishing system has a polishing pad, a wafer retainer for pressing an insulating layer formed on a semiconductor wafer against polishing slurry spread over a polishing pad and a measuring apparatus for measuring the thickness of different portions of t...
11/27/2001
6165056Polishing machine for flattening substrate surface
There is disclosed a polishing machine capable of flattening a wafer surface uniformly. The machine can modify the flatness of the surface during polishing. The machine has an index table and a polishing head 18. The table attracts the wafer to be polishe...
12/26/2000
6139406Combined slurry dispenser and rinse arm and method of operation
The present invention provides a method and apparatus for delivering one or more rinse agents to a surface, such as a polishing pad surface and preferably one or more polishing fluids. The invention also provides a method of cleaning one or more surfaces,...
10/31/2000
6116987Method of polishing hard disc and polishing apparatus therefor
A method and apparatus for polishing hard discs uniformly while minimizing frictional electricity between the discs and polishing materials as well as preventing from frictionally heated deformation. A turntable for placing a disc thereon is freely rotata...
09/12/2000
6110013End-face polishing and cleaning apparatus
An end-face polishing and cleaning apparatus comprises at least one jig plate for supporting ferrules each fixed to an end of a respective optical fiber. At least one set of a polishing machine and a cleaning machine is provided for polishing and cleaning...
08/29/2000
6071180Method of surface grinding a flange surface of a wheel hub for an automotive vehicle
A process for surface grinding of a flange surface of a wheel hub onto which a brake disk can be mounted for a motor vehicle includes the mounting of the wheel bearing on the wheel hub before the grinding operation. An outer bearing ring is then clamped o...
06/06/2000
5893796Forming a transparent window in a polishing pad for a chemical mechanical polishing apparatus
The polishing pad for a chemical mechanical polishing apparatus and a method of making the same. The polishing pad has a covering lawyer with a polishing surface and a backing layer which is adjacent to the platen. A first opening in the covering layer wi...
04/13/1999
5893755Method of polishing a semiconductor wafer
A method of polishing semiconductor wafers is provided. The method will not impair the original (pre-polishing) contour of semiconductor wafers, and semiconductor wafers can be polished so as to have high flatness. In the method according to this inventio...
04/13/1999
5820449Vertically stacked planarization machine
A vertically stacked planarization machine includes two or more vertically stacked individual platens on which wafers are polished. The wafers are held by wafer holders which may rotate the wafers. The individual platens are orbited in order to polish the...
10/13/1998
5785584Planarizing apparatus with deflectable polishing pad
A planarizing system which significantly reduces the problems associated with non-uniform removal of surface material across the face of a semiconductor wafer or other comparable workpiece. The invention involves a planarizing apparatus that takes the lea...
07/28/1998
5665656Method and apparatus for polishing a semiconductor substrate wafer
A semiconductor wafer polishing apparatus includes a housing and a turntable mounted in the housing. The turntable has an axis of rotation and a surface for affixing a semiconductor wafer. The polishing apparatus also includes a motor mounted to the housi...
09/09/1997
5655949Method of polishing waxers using a vertically stacked planarization machine
A vertically stacked planarization machine includes two or more vertically stacked individual platens on which wafers are polished. The wafers are held by wafer holders which may rotate the wafers. The individual platens are also orbited in order to polis...
08/12/1997
5645469Polishing pad with radially extending tapered channels
A polishing pad having a polishing surface with radially extending tapered channels is disclosed. The polishing surface includes an inner radius within an outer radius, and the channels extend from the inner radius to the outer radius. Preferably, the out...
07/08/1997
5554065Vertically stacked planarization machine
A vertically stacked planarization machine includes two or more vertically stacked individual platens on which wafers are polished. The wafers are held by wafer holders which may rotate the wafers. The individual platens are also orbited in order to polis...
09/10/1996
5547418Optical fiber end-surface polishing device
An optical fiber end-surface polishing device has an improved ferrule fixing device allowing ferrules with optical fibers to be attached to or detached from a holder plate for polishing by a simple operation. The optical fiber end-surface polishing device...
08/20/1996
5527209Wafer polisher head adapted for easy removal of wafers
Device is described that reduces the forces needed to release a wafer from a wet polishing surface after polishing. Device comprises attachment adapted to be mounted to a polishing apparatus to permit attachment surface, configured to mate with two region...
06/18/1996
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