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Chandler, AZ, US
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Patents Grants
last 30 patents
Information
Patent Grant
Two-step chemical-mechanical planarization for damascene structures...
Patent number
6,555,466
Issue date
Apr 29, 2003
Speedfam Corporation
Thomas Laursen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Manufacture of thin-film magnetic heads
Patent number
6,045,431
Issue date
Apr 4, 2000
Speedfam Corporation
Sergei Cheprasov
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for holding workpieces during lapping, honing, and polishing
Patent number
6,030,280
Issue date
Feb 29, 2000
Speedfam Corporation
Clinton Fruitman
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing apparatus
Patent number
6,001,005
Issue date
Dec 14, 1999
Speedfam Corporation
Robert L. Anderson
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing apparatus with improved alignment of polishing plates
Patent number
5,997,390
Issue date
Dec 7, 1999
Speedfam Corporation
John Hose
B24 - GRINDING POLISHING
Information
Patent Grant
Method and apparatus for enhanced cleaning of a workpiece with mech...
Patent number
5,975,094
Issue date
Nov 2, 1999
Speedfam Corporation
Eric C. Shurtliff
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wafer polishing with improved end point detection
Patent number
5,972,162
Issue date
Oct 26, 1999
Speedfam Corporation
Joseph V. Cesna
B24 - GRINDING POLISHING
Information
Patent Grant
Polishing apparatus with support columns supporting multiple platfo...
Patent number
5,957,763
Issue date
Sep 28, 1999
Speedfam Corporation
Robert L. Anderson
B24 - GRINDING POLISHING
Information
Patent Grant
Post-CMP wet-HF cleaning station
Patent number
5,954,888
Issue date
Sep 21, 1999
Speedfam Corporation
Anand Gupta
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for distributing a polishing agent onto a poli...
Patent number
5,921,849
Issue date
Jul 13, 1999
Speedfam Corporation
Inki Kim
B24 - GRINDING POLISHING
Information
Patent Grant
Wafer carrier for semiconductor wafer polishing machine
Patent number
5,916,015
Issue date
Jun 29, 1999
Speedfam Corporation
John Natalicio
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for rinsing wafers in the context of a combined cleaning...
Patent number
5,899,216
Issue date
May 4, 1999
Speedfam Corporation
Chad Goudie
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Grinding composition using abrasive particles on bubbles
Patent number
5,885,312
Issue date
Mar 23, 1999
Speedfam Corporation
Clinton O. Fruitman
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for cleaning wafers and discs
Patent number
5,870,792
Issue date
Feb 16, 1999
Speedfam Corporation
Eric C. Shurtliff
B08 - CLEANING
Information
Patent Grant
Methods and apparatus for detecting removal of thin film layers dur...
Patent number
5,872,633
Issue date
Feb 16, 1999
Speedfam Corporation
Paul Holzapfel
B24 - GRINDING POLISHING
Information
Patent Grant
Methods and apparatus for measuring and dispensing processing solut...
Patent number
5,857,893
Issue date
Jan 12, 1999
Speedfam Corporation
Gregory A. Olsen
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for conditioning polishing pads utilizing brazed diamond...
Patent number
5,842,912
Issue date
Dec 1, 1998
Speedfam Corporation
Paul Holzapfel
B24 - GRINDING POLISHING
Information
Patent Grant
Methods and apparatus for the in-process detection of workpieces wi...
Patent number
5,834,645
Issue date
Nov 10, 1998
Speedfam Corporation
Anthony Bartels
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for the in-process detection of workpieces with a monochr...
Patent number
5,823,853
Issue date
Oct 20, 1998
Speedfam Corporation
Anthony L. Bartels
G05 - CONTROLLING REGULATING
Information
Patent Grant
Dual column abrading machine
Patent number
5,803,798
Issue date
Sep 8, 1998
Speedfam Corporation
Joseph V. Cesna
B24 - GRINDING POLISHING
Information
Patent Grant
Bearing assembly for wafer planarization carrier
Patent number
5,791,978
Issue date
Aug 11, 1998
Speedfam Corporation
Joseph V. Cesna
B24 - GRINDING POLISHING
Information
Patent Grant
Apparatus for the in-process detection of workpieces in a CMP envir...
Patent number
5,733,171
Issue date
Mar 31, 1998
Speedfam Corporation
Robert F. Allen
G05 - CONTROLLING REGULATING
Information
Patent Grant
Abrasive foam grinding composition
Patent number
5,713,968
Issue date
Feb 3, 1998
Speedfam Corporation
Clinton O. Fruitman
B24 - GRINDING POLISHING
Information
Patent Grant
Uniform velocity double sided finishing machine
Patent number
5,274,960
Issue date
Jan 4, 1994
Speedfam Corporation
Chris E. Karlsrud
B24 - GRINDING POLISHING
Patents Applications
last 30 patents
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