U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Anode for magnetic sputtering of gradient films

Patent 4744880 Issued on May 17, 1988. Estimated Expiration Date: Icon_subject May 17, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Method and apparatus for forming oxide coating by reactive sputtering technique
Patent #: 4407709
Issued on: 10/04/1983
Inventor: Enjouji ,   et al.

Magnetically-assisted sputtering method for producing vertical recording media
Patent #: 4414087
Issued on: 11/08/1983
Inventor: Meckel

Method and apparatus for forming electrically conductive transparent oxide
Patent #: 4428809
Issued on: 01/31/1984
Inventor: Heimbach ,   et al.

High rate magnetron sputtering of high permeability materials
Patent #: 4431505
Issued on: 02/14/1984
Inventor: Morrison, Jr.

Anode for magnetic sputtering apparatus Patent #: 4478702
Issued on: 10/23/1984
Inventor: Gillery ,   et al.

Inventors

Assignee

Application

No. 06/661748 filed on 10/17/1984

US Classes:

204/298.19, Planar magnetron204/192.12, Glow discharge sputter deposition (e.g., cathode sputtering, etc.)204/298.14Specified anode particulars

Examiners

Primary: Niebling, John F.
Assistant: Nguyen, Nam

Attorney, Agent or Firm

International Classes

H01J 37/34 (20060101)
H01J 37/32 (20060101)

Abstract

An improved anode system for producing uniform gradient coatings by magnetic sputtering is disclosed, comprising a pair of anode plates asymmetrically designed and positioned along the length of the cathode.

Other References

  • Maissel et al., "Handbook of Thin Film Technology", McGraw-Hill Book Co., N.Y., 1970, pp. 4-13 to 4-20
PatentsPlus Images
Enhanced PDF formats
loading...
PatentsPlus: add to cart
PatentsPlus: add to cartSearch-enhanced full patent PDF image
$9.95more info
 
Sign InRegister
Username  
Password   
forgot password?