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Class Information
Number: 204/217
Name: Chemistry: electrical and wave energy > Apparatus > Electrolytic > With movable electrode means > Rotary > With base treatment > Mechanical working
Description: Apparatus in which means are included to give the base a mechanical working.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7378004 |
Pad designs and structures for a versatile materials processing apparatus |
May. 27, 2008 |
| 7374644 |
Conductive polishing article for electrochemical mechanical polishing |
May. 20, 2008 |
| 7329335 |
Device providing electrical contact to the surface of a semiconductor workpiece during processing |
Feb. 12, 2008 |
| 7252746 |
Electropolishing apparatus and method for medical implants |
Aug. 7, 2007 |
| 7194505 |
Shared information processing system and recording medium |
Mar. 20, 2007 |
| 7125477 |
Contacts for electrochemical processing |
Oct. 24, 2006 |
| 6974525 |
Method and apparatus for electrochemical planarization of a workpiece |
Dec. 13, 2005 |
| 6939457 |
Contact-discharge truing/dressing method and device therefor |
Sep. 6, 2005 |
| 6736952 |
Method and apparatus for electrochemical planarization of a workpiece |
May. 18, 2004 |
| 6706158 |
Electrochemical mechanical planarization |
Mar. 16, 2004 |
| 6630059 |
Workpeice proximity plating apparatus |
Oct. 7, 2003 |
| 6562227 |
Plunge electromachining |
May. 13, 2003 |
| 6531037 |
Removable electrode |
Mar. 11, 2003 |
| 6464855 |
Method and apparatus for electrochemical planarization of a workpiece |
Oct. 15, 2002 |
| 6328872 |
Method and apparatus for plating and polishing a semiconductor substrate |
Dec. 11, 2001 |
| 6217725 |
Method and apparatus for anodizing |
Apr. 17, 2001 |
| 6143156 |
Electroplating method and apparatus |
Nov. 7, 2000 |
| 5667646 |
Dressing apparatus |
Sep. 16, 1997 |
| 5587064 |
Waste water purification process and apparatus |
Dec. 24, 1996 |
| 5462649 |
Method and apparatus for electrolytic plating |
Oct. 31, 1995 |
| 5453174 |
Method and apparatus for depositing hard chrome coatings by brush plating |
Sep. 26, 1995 |
| 5288382 |
Optical fine processing apparatus |
Feb. 22, 1994 |
| 5246555 |
Work bed for a grinding apparatus |
Sep. 21, 1993 |
| 5194126 |
Method and device for dressing grinding wheels |
Mar. 16, 1993 |
| 5110428 |
Process and apparatus for double-sided chemomechanical polishing of semiconductor wafers and semiconductor wafers obtainable thereby |
May. 5, 1992 |
| 5108561 |
Method of dressing, dressing system and dressing electrode for conductive grindstone |
Apr. 28, 1992 |
| 5100528 |
Continuous silver refining cell |
Mar. 31, 1992 |
| 5091067 |
Method and an apparatus for machining optical components |
Feb. 25, 1992 |
| 5071525 |
Method of grinding lenses and apparatus therefor |
Dec. 10, 1991 |
| 5045161 |
Method and apparatus for electrolytically assisting the mechanical shaping of a workpiece |
Sep. 3, 1991 |
| 5032238 |
Method of and apparatus for electropolishing and grinding |
Jul. 16, 1991 |
| 4839005 |
Electrolytic-abrasive polishing method of aluminum surface |
Jun. 13, 1989 |
| 4830719 |
Method for etching piston rings |
May. 16, 1989 |
| 4713149 |
Method and apparatus for electroplating objects |
Dec. 15, 1987 |
| 4641007 |
Process and device for treatment of metal-bonded nonconductive materials |
Feb. 3, 1987 |
| 4609450 |
Combined electrolytic-abrasive polishing apparatus |
Sep. 2, 1986 |
| 4559115 |
Method of and apparatus for machining ceramic materials |
Dec. 17, 1985 |
| 4534831 |
Method of and apparatus for forming a 3D article |
Aug. 13, 1985 |
| 4532019 |
Grinding wheel and method for electrolytic and mechanical grinding |
Jul. 30, 1985 |
| 4528074 |
Method for producing a grinding wheel by electroplating |
Jul. 9, 1985 |
| 4483755 |
Method for the treatment of surfaces of a workpiece of carbon-containing cast iron |
Nov. 20, 1984 |
| 4456516 |
Shaft rounding apparatus |
Jun. 26, 1984 |
| 4448656 |
Electrolytic/electric discharge machining of a non-conductive workpiece |
May. 15, 1984 |
| 4405421 |
Method of and apparatus for electrochemically grinding a conductive workpiece |
Sep. 20, 1983 |
| 4384942 |
Cannulae grinding method and machine |
May. 24, 1983 |
| 4328083 |
Apparatus for mirror-finishing a cylindrical |
May. 4, 1982 |
| 4201651 |
Electrolysis cell |
May. 6, 1980 |
| 3959089 |
Surface finishing and plating method |
May. 25, 1976 |
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